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Monday, 6 March 2017

Everyday Science Questions

12:22:00 Unknown Everyday Science No comments

1. The crust of the Earth is dynamic. Geologists have found that the crust is made up of moveable tectonic plates. How many tectonic plates make the Earth's crust?

(A) 2
(B) 4
(C) 10
(D) 20

2. Earthquakes are those movements of the Earth's crust which make it vibrate and shake the ground backward and forwards. Most of the earthquakes occur where the tectonic plates meet. By which scale is the severity of an earthquake measured?

(A) Index scale
(B) Fischer scale
(C) Richer scale
(D) Absolute scale

3. When an earthquake is accompanied by a volcanic eruption it is called as?

(A) Tectonic earthquake
(B) Volcanic earthquake
(C) Plutonic earthquake
(D) Fracture earthquake

4. Whenever an earthquake occurs, waves start to travel in all directions from the source of the disturbance. Name the instrument which detects these disturbances.

(A) Spectrograph
(B) Holograph
(C) Seismograph
(D) Cardiograph

5. A person who is an expert in dealing with the earthquake is called?

(A) Analyst
(B) Seismologist
(C) Agronomist
(D) Chemist

6. The place within the Earth where the disturbance begins, is known as the focus and from this focus start waves that move the rocks of the crust. The place immediately above the focus on the surface of the Earth is known as?

(A) Epicentre
(B) Autocentre
(C) Gravity centre
(D) Local centre

7. The waves that originate from the focus radiate in all directions in concentric circles and according to their mode of traveling and rate of movement, these are given specific names. Which of the following is not a type of earthquake waves?

(A) Longitudinal waves
(B) Transverse waves
(C) Surface waves
(D) Electromagnetic waves

8. Which one of the following tectonic plates does not have any continent?

(A) American plate
(B) African plate
(C) Pacific plate
(D) Eurasian plate

9. On which tectonic plate is Pakistan situated?

(A) Pacific plate
(B) Indo-Australian plate
(C) American plate
(D) Eurasian plate

10. On which tectonic plate is rocky mountains situated?

(A) African plate
(B) Pacific plate
(C) Indo-Australian plate
(D) American plate

11. Rocks are made of chemicals called minerals. Minerals are formed by natural processes these are generally crystalline and inorganic. About how many minerals are presently known?

(A) 1000
(B) 2000
(C) 3000
(D) 4000

12. Who classified the minerals according to chemical composition on modem lines?

(A) Axel Fredrik Gronotedt
(B) James Dwight Dana
(C) Theophrastus
(D) Waldemar Lingren

13. Which of the following is an important physical property of minerals?

(A) Hardness
(B) Cleavage
(C) Specific gravity
(D) All the above

14. The simplest estimate of the hardness of minerals involves scratching by reference minerals arbitrarily chosen for the Mohs scale which placed in numerical order of increasing hardness from 1 to 10. Who was Friedrich Mohs?

(A) Professor of Physics
(B) Professor of Mineralogy
(C) Professor of Geography
(D) Professor of Chemistry

15. Minerals result from a sequence of complex processes that began with chemical differentiation of the solar system to form planets and that ended in many cases with crystallization in rocks or ore bodies controlled by trivial local factors. Which of the following branch of science is important in the general understanding of the occurrence of minerals in nature?

(A) Geochemistry
(B) Geophysics
(C) Petrology
(D) All the above

16. The property of hardness is dependent upon the strength of the forces holding atoms together in a solid. Name the hardest natural mineral.

(A) Quartz
(B) Appetite
(C) Diamond
(D) Corundum

17. Name the second hardest natural occurring mineral.

(A) Corundum
(B) Topaz
(C) Fluorite
(D) Calcite

18. Some knowledge of mineralogy is fundamental in most branches of geology. Which of the following sciences is closely relate to mineralogy?

(A) Petrography
(B) Petrology
(C) Geochemistry
(D) All the above

19. Who is considered as the founder of Petrology?

(A) William Nicol
(B) Henry Clifton Sorby
(C) E.S. Fedfcrov
(D) Paul Knipping

20. All mineral have regular arrangement of atoms that have some geometrical symmetry. Which branch of physical science is involved in the structure determination?

(A) Holography
(B) Crystallography
(C) Refractometry
(D) Mass Spectrometry

Science Questions

11:06:00 Unknown Everyday Science No comments

1. What is North America antipodal to?

(A) Arctic Ocean
(B) Atlantic
(C) Pacific Ocean
(D) Indian Ocean

2. Just as time on a clock is divided into hours, minutes and seconds, so is the Earth's history divided into geological time units. Which of the following units of the geological clock is the longest?

(A) Ears
(B) Eons
(C) Periods
(D) Epcot is

3. Which of the following units of the geological clock is the shortest?

(A) Periods
(B) Epochs
(C) Ages
(D) Chrons

4. The Scottish geologist James Button is the founder of modern geology. He pointed out that continents are worn away by rivers and that sediments washed into the sea forms into new sedimentary rocks. Which of the following periods correspond to his life span?

(A) 1726-1750
(B) 1740-1798
(C) 1720-1780
(D) 1710-1770

5. Who showed first that the Earth is a giant magnet?

(A) Gerardus Mercator
(B) William Gilbert
(C) Alfred Wegener
(D) Leopold Buch

6. Rock is any mass of natural deposit which forms the solid part of the Earth's crust. Rocks are classified on the basis of their origin. What rocks are formed by the agency of fire?

(A) Igneous rocks
(B) Sedimentary rocks
(C) Metamorphic rocks
(D) Weathered rocks.

7. What rocks are formed by the agency of water, wind and ice?

(A) Plutonic rocks
(B) Sedimentary rocks
(C) Volcanic rocks
(D) Dyke rocks

8. Which of the following is not an example of Igneous rocks?

(A) Alkali rocks
(B) Silicon rocks
(C) Plutonic rocks
(D) Aqueous rocks

9. The sedimentary rocks are comparatively soft and these may be formed mechanically, chemically or organically. Which of the following is a typical example of a chemically formed sedimentary rock?

(A) Chalk
(B) Limestone
(C) Gypsum
(D) Sand

10. The sedimentary rocks may also be classified as Inorganic or Organic rocks. Which of the following is a sub-class of Organic rocks?

(A) Argillaceous rocks
(B) Mechanically formed rocks
(C) Arenaceous rocks
(D) Carbonaceous rocks

11. Metamorphic rocks are igneous and aqueous rocks which have changed in form and whose characteristics have alter due to pressure and heat. Which of the following example of metamorphic rock?

(A) Slate
(B) Gneiss
(C) Quartzite
(D) All the above

12. What is Graphite?

(A) It is an example of igneous rock.
(B) It is an inorganic rock.
(C) It is hardened and steam coal.
(D) It is an example of basic rock.

13. Volcanoes are those sudden and abrupt explosions of smoke, dust and lava which astound human understanding. About how many active volcanoes are present on the Earth?

(A) 500
(B) 400
(C) 300
(D) 200

14. What is the mouth of a volcano called?

(A) Vent
(B) Plug
(C) Crater
(D) Cone

15. What is the nature of the material thrown out by a volcano?

(A) Liquid
(B) Solid
(C) Gaseous
(D) All the above

16. The liquid material of a volcanic eruption is the most important and is known as the?

(A) Volcanic ash
(B) Cinder fragments
(C) Lava
(D) Breccia

17. Sometimes the lava thrown into the air solidifies into a round mass before falling to the Earth and this is known as?

(A) Volcanic ash
(B) Volcanic bomb
(C) Volcanic dust
(D) Volcanic lava

18. The volcanoes of the Earth have different shapes and sizes. Their shapes and sizes depend upon the material that has been thrown out and have gone into their formation. A dome-shaped volcano with steep slopes is called?

(A) Lava dome
(B) Cinder cone
(C) Composite cone
(D) Driblet cone

19. The lava domes are quite common in which of the following countries?

(A) U.S.A
(B) Russia
(C) Germany
(D) Italy

20. Volcanoes act as windows into the Earth. Volcanoes of which place are the most thoroughly studied?

(A) Philippines
(B) Indonesia
(C) Hawaii
(D) Japan

Daily Science Questions

09:44:00 Unknown Everyday Science No comments

1. A branch of science which deals with the study of the Earth's crust is called.

(A) Morphology
(B) Geology
(C) Histology
(D) Climatology

2. Who is known as the father of geology?

(A) Alfred Wegener
(B) Charles Lyell
(C) James Hutton
(D) Philon

3. Who discovered the first homo Erectus fossil __________ the java apeman?

(A) Eugene Dubois
(B) Raymond Dart
(C) Mary Leakey
(D) Philon

4. The discovery of frozen stone age man is 1992 on the melting similun glacier high in the Alpine yields new clues about life in 3300 B.C. His body was so remarkably preserved for about 500 years __________ the world's most ancient intact human. Name the two countries which are trying to get the legal possession of the dead body.

(A) Italy and Switzerland
(B) Itlay and Austria
(C) Austria and Switzerland
(D) Turkey and Italy

5. Meteorites have hit the surface of our Earth several times in past and punched craters. Arizona's Barringer Meteorite Crater punched out some 50,000 years ago by iron-rich meteorite, is 550 feet deep and 3,900 feet across. Name the country where it is situated.

(A) Russia
(B) U.S.A.
(C) Australia
(D) Canada

6. Geological time scale is a scale of time that serves as a reference for correlating various events in history of the Earth; it has been built up by studying the various strata of rocks that comprise the Earth's crust with special reference to the fossils found in them. This time scale is divided into three main "eras" based upon the general character of the life that they contain. Which one of the following is not an example of such an era?

(A) Paleozoic
(B) Mesozoic
(C) Permian
(D) Cenozoic

7. Each era of geological time scale is divided into periods. Which of the following periods is not an example of Paleozoic era?

(A) Cambrian
(B) Devonian
(C) Triassic
(D) Permian

8. Which of the following periods is not an example of Mesozoic or Secondary era?

(A) Eocene
(B) Cretaceous
(C) Jurassic
(D) Triassic

9. Which of the following periods is not an example of Cenozoic era?

(A) Oligocene
(B) Silurian
(C) Miocene
(D) Pliocene

10. What is the approximate age of Mesozoic era?

(A) 135 to 225 million years
(B) 270 to 400 million years
(C) 10 to 70 million years
(D) 400 to 300 million years

11. The surface of the Earth is made up of land and water. The land surface is divided into continents. Name the continent which is the largest in the area?

(A) Europe
(B) Asia
(C) Africa
(D) North America

12. Name the continent which is the smallest in the area.

(A) South America
(B) Europe
(C) Australia
(D) Africa

13. About 200 million years ago, virtually all the Earth's dry land was contained in the original super- continent. What is it called?

(A) Laurasia
(B) Gondwana
(C) Pangaea
(D) None of the above

14. What is the total number of continents in this world?

(A) Five
(B) Seven
(C) Six
(D) Four

15. Who was the first to prove continental drift?

(A) Alfred Wegener
(B) Antonio Snider
(C) Mary Leakey
(D) Philon

16. The interior of the Earth consists of three main layers namely, the Crust, the Mantle and the Core. The existence of the earth's core came to light from the detection of a shadow zone for seismic waves extending from 100 to 140 degrees from a source of earthquakes. Who discovered this?

(A) I. Lehmann
(B) D. Davies
(C) B. R. Julian
(D) R. M. Sheppard B

17. The Earth is like an onion and it consists of layers. These layers have been named by different people in different ways. Lithosphere, Pyrosphere and Barysphere have respectively been named as Sial (Silica + Aluminum), Sima (Silica + Magnesium) and Nife (Nickel and Ferrous) depending upon their composition. Name the geologist who gave this nomenclature.

(A) R. A. Dally
(B) Gracht
(C) Gilbert
(D) Romney

18. The topmost layer of the Earth, which forms the crust of the Earth is the lightest layer of the Earth. This is also called as the Lithosphere. What is the average thickness of Lithosphere?

(A) 20 miles
(B) 30 miles
(C) 40 miles
(D) 50 miles

19. The oceans and continents are the main features of the surface of the Earth. There is a definite plan or order underlying the distribution of land and water on the surface of the Earth. Which one of the following theories explains this distribution?

(A) Tetrahedral
(B) Suess's Theory
(C) Wegner's Theory
(D) All the above

20. According to Tetrahedral theory, the land masses are situated just opposite the water bodies. If we draw a straight line which will pass through its center, its one end will touch the land masses and the other will touch the water bodies. Thus land and see occupy an antipodal position. Europe and Africa are situated in the Antipodes of the Pacific Ocean. Asia and Australia are antipodal to what?

(A) Pacific Ocean
(B) Indian Ocean
(C) Atlantic Ocean
(D) Arctic Ocean

Daily Science Quizzes

12:32:00 Unknown Everyday Science 1 comment

1. Great Salt Lake is the largest lake west of the Mississippi in U.S.A. In which state it is located?

(A) Utah
(B) Arizona
(C) Colorado
(D) Idaho

2. Which country is called the "Sick Man of Europe"?

(A) Greece
(B) Hungary
(C) Turkey
(D) Poland

3. Name the country which produces the largest quantity of coffee.

(A) Sri Lanka
(B) Brazil
(C) Uganda
(D) Congo

4. Pakistan is 5 hours ahead of GMT. Which one of the following places is ahead of 12 hours?

(A) Cook Islands
(B) Vladivostok
(C) New Zealand
(D) Papua New Guinea

5. Name the most populous city in the world.

(A) Tokyo
(B) Bombay
(C) New Mexico
(D) London

6. The longest railway journey in China is from Beijing to Urumchi and it takes about four and a half days. What is the name of the train for this journey?

(A) The Iron Rooster
(B) The Restless Dragon
(C) The Red Guard
(D) The non-stop arrow

7. Name the city which has the largest number of windmills in the world.

(A) Copenhagen
(B) Amsterdam
(C) Merida in Mexico
(D) El Salvador

8. Golden Triangle is an area in southeast Asia which is famous for growing most of the world's opium. What countries form this triangle?

(A) Thailand, Burma, Laos
(B) Malaysia, Thailand, Laos
(C) Burma, Kampuchea, Thailand
(D) Bhutan, Burma, Laos

9. Name the longest river in Italy

(A) Servo
(B) Po
(C) Tiber
(D) Arno

10. Name the sea that separates Britain from Scandinavia.

(A) The North Sea
(B) English Channel
(C) Arctic Ocean
(D) Black Sea

11. Hind of Sardinia is a tourist attraction. Where is this located?

(A) France
(B) Greece
(C) Turkey
(D) Italy

12. What is the composition of United Kingdom?

(A) England and Scotland
(B) England and Wales
(C) England, Scotland, Wales and Northern Ireland
(D) England, Scotland, Wales and Belfast

13. Name the country which is locked from all sides by the Aegean Sea.

(A) Turkey
(B) Greece
(C) Italy
(D) Spain

14. Whare is both Cape Canaveral and Disney World located?

(A) Georgia
(B) Texas
(C) California
(D) Florida

15. Name the biggest Canadian Island.

(A) New Foundland
(B) Victoria
(C) Devon
(D) Baffin

16. Name the smallest state of U.S.A.

(A) Rhode Island
(B) Maine
(C) Vermont
(D) Georgia

17. Niagara Falls is one of the widest waterfalls of the world. What is its location?

(A) U.S.A
(B) Bermuda
(C) Bahamas
(D) Canada

18. Where is Mosquito coast located?

(A) Nicaragua
(B) El Salvador
(C) Costa Rica
(D) Honduras

19. Name the only country in South America which shares both Atlantic and Pacific coast.

(A) Peru
(B) Colombia
(C) Chile
(D) Venezuela

20. Name the river which is shared by Argentina, Paraguay and Brazil.

(A) Amazon
(B) Madeira
(C) Parana
(D) Paraguay

Daily Science Quiz

10:37:00 Unknown Everyday Science No comments

1. Marienbad is the name of an internationally famous health resort. In which country it is located?

(A) Austria
(B) Belgium
(C) Italy
(D) Czechoslovakia

2. How many states compose U.S.A?

(A) 49
(B) 48
(C) 50
(D) 51

3. Name the world's oldest railway station?

(A) Victoria
(B) Bombay
(C) Liverpool
(D) Pans

4. What is the name of a river which passes through countries of Europe namely; Germany, Czechoslovakia, Hungary, Yugoslavia and Romania?

(A) Danube
(B) Rhine
(C) Elbe
(D) Oder

5. River Mississippi-Missouri of U.S.A. empire into:

(A) Atlantic Ocean
(B) The Gulf of Mexico
(C) Pacific Ocean
(D) North Sea

6. Where is the source of Amazon river located?

(A) Peru
(B) Chile
(C) Bolivia
(D) Argentina

7. Name the river that cuts an enormous are through the heart of the African continent __________ an immense snake uncoiled with its head in the sea and it's tail lost in the depths of the land". It crosses the equator twice.

(A) Volta river
(B) Niger river
(C) Amazon river
(D) Zaire river

8. The new name of Burma is Myanmar. Which is the new name of Rangoon?

(A) Mandalay
(B) Moslem
(C) Yangon
(D) None of the above

9. Alcan is the name of the Alaska __________ Canada Military Highway stretching from Dawson Creek (Canada; to Fairbanks U.S.A.). It was built during Second World War to counter any invasion of Japanese forces. What is its approximate length?

(A) 1200 miles
(B) 1500 miles
(C) 1300 miles
(D) 1400 miles

10. Name one of the world's most polluted bodies of water located in Asia. It pays heavily for its role as the middle east oil highway a quarter of a barrel of oil pollutes it each year, yet the gulf takes more than 5 years to flush contaminated water through the narrow strait of Hormuz.

(A) The Gulf of Mexico
(B) The Gulf of Alaska
(C) Persian Gulf
(D) The Gulf of Aden

11. Santo Fe is the west's longest-lived trail stretching from Franklin to Santa Fe in U.S.A. What is the length of this trail?

(A) 900 miles
(B) 800 miles
(C) 700 miles
(D) 600 miles

12. The snow covered top of Mount Fuji mirrors the Japanese dawn, it catches the Sun's first light. Fuji's summit turns from lacquer red to rose. In the shadows below, the mountains' huge sloping shoulders and the base remain dimly outlined in predawn gray. What is the height of Mountain Fuji?

(A) 11,388 feet
(B) 12,388 feet
(C) 14,388 feet
(D) 19,388 feet

13. Name the Lake in Africa which is famous for the living Jewels __________ a brilliant aquatic menagerie called Cichlids populates this lake.

(A) Lake Malawi
(B) Lake Victoria
(C) Lake Tanganyika
(D) Lake Nasser

14. The Murry and Darling rivers are the major components of a system that draws 410,000 square miles __________ nearly the combined size of France and Spain. They empty into the Indian Ocean. Where are they located?

(A) China
(B) Australia
(C) Brazil
(D) Canada

15. Statue of Liberty is the world's largest metal statue, a tangible Pledge of French. American friendship, and a beacon to immigrants. It stands on the Upper New York Bay. In which year was this statue gifted to America by France?

(A) 1876
(B) 1877
(C) 1878
(D) 1879

16. Name the smallest, flattest and driest continent of the world:

(A) Antarctica
(B) Australia
(C) South America
(D) Africa

17. Name the country that is shaped like a kite, the largest country on the southeast Asian mainland. Though it ranks among the ten poorest nations in the world, it is self-sufficient in food:

(A) Nepal
(B) Bhutan
(C) Burma
(D) Bangladesh

18. Who discovered West Indie?

(A) Vasco da Gama
(B) Christopher Columbus
(C) Captain Cook
(D) Sir Francis Duke

19. Big Apple is the nickname of a city in U.S.A. What is the original name of the city?

(A) New York
(B) Los Angeles
(C) Houston
(D) Washington

20. A Cascade of cutters (Red Crabs) turns the street of this Island red in the Indian Ocean as 120 million forest-dwelling crabs migrate every year to seaside breeding grounds Name the Island.

(A) Christmas Island
(B) Krakatau Island
(C) Nassau Island
(D) Fiji Island

Quiz General Science

08:55:00 Unknown Everyday Science No comments

1. River Nile is the longest river in the world. Name the two countries through which it passes.

(A) Egypt and Chad
(B) Egypt and Niger
(C) Egypt and Sudan
(D) Egypt and Kenya

2. Where do White Nile and the Blue Nile meet to yield the main river Nile?

(A) Khartoum
(B) Malakal
(C) Cairo
(D) Atbara

3. Name the countries which surround the Lake Victoria in Africa.

(A) Angola, Uganda and Kenya
(B) Uganda, Kenya and Tanzania
(C) Angola, Uganda and Tanzania
(D) Uganda, Kenya and Ethiopia

4. Which of the following is not a following is not a sea port in Africa.

(A) Dar-es-Salaam
(B) Maputo
(C) Port Elizabeth
(D) Lusaka

5. Which of the following is the main sea-port of Senegal:

(A) Freetown
(B) Cape Town
(C) Dakar
(D) Conakry

6. What is common among Lagos, Accra and Abid Jan?

(A) All are situated in the Northern hemisphere.
(B) All are landlocked from all sides.
(C) All are sea-ports.
(D) All are the parts of Ghana.

7. Addis Ababa is the capital of which country.

(A) Sudan
(B) Chad
(C) Ethiopia
(D) Kenya

8. Name the two countries through which Congo River passes in Africa.

(A) Congo and Zaire
(B) Congo and Angola
(C) Congo and Gabon
(D) Congo and Cameroon

9. Where is Katanga Plateau located?

(A) In Asia
(B) In Africa
(C) In Europe
(D) In Australia

10. White Nile passes through Sudan, where does the Blue Nile pass through?

(A) Chad
(B) Ethiopia
(C) Libya
(D) Somalia

11. River Mississippi-Missouri of USA empties into:

(A) Atlantic Ocean
(B) Gulf Mexico
(C) Pacific Ocean
(D) North Sea

12. The most massive clock in the world is the astronomical clock in the Cathedral of St.Pierre, Beauvais, Name the country.

(A) Germany
(B) England
(C) France
(D) Austria

13. Name the country which has the world's oldest constitution

(A) England
(B) U.S.A.
(C) Spain
(D) Australia

14. Which of the following is among the seven wonders of the Medieval world?

(A) Great Wall of China
(B) Stonehenge of England
(C) Leaning Tower of Pisa
(D) All the above

15. Name the only American President who won the election consecutively for four terms 1933-1945. He was also the principal mover for the U.N.O.

(A) Abraham Lincoln
(B) John F Kennedy
(C) Franklin D.Roosevelt
(D) Ronald Reagan

16. Vasco Da Gama was the Portuguese explorer who discovered the direct route from Europe to India by sailing around Africa. What was his life span?

(A) 1460-1524 A.D.
(B) 1027-1087 A.D.
(C) 1469-1527 A.D.
(D) 1370-1440 A.D.

17. Name the American scientist who patented more than 1000 inventions.

(A) R.W. Watt
(B) James Watt.
(C) W. Shockley
(D) Thomas Alva Edison

18. Queen Isabella was the Queen of Spain, who financed Christopher Columbus's voyage across the Atlantic to discover, what is now America? What was her life span?

(A) 1451-1504 A.D.
(B) 1351-1403 A.D.
(C) 1251-1304 A.D.
(D) 1151-1204 A.D.

19. At last, the Berlin Wall has fallen apart, and its pieces are now sold as souvenirs.

(A) 1951
(B) 1941
(C) 1961
(D) 1971

20. Where is world's largest gas field located?

(A) Libya
(B) Saudi Arabia
(C) Kuwait
(D) Russia

General Science Quizzes

09:09:00 Unknown Everyday Science No comments

Find answers to the General Science Quizzes Multiple alternative queries (MCQs) at the bottom of the page.

1. What is the direction of the rotation of Earth around its axis?

(A) From North to South
(B) From East to West
(C) From West to East
(D) From South to North

2. Fuji is the name of a mountain. It is also a dormant volcano. Where is this situated?

(A) Korea
(B) Japan
(C) Indonesia
(D) China

3. Mongolia is land-locked from all sides by Russia and Chine. What is the major agricultural activity of Mongolia?

(A) Wheat growing
(B) Sheep farming
(C) Stock raising
(D) Horticulture

4. Name the country which is separated into two parts by UAE.

(A) Yemen
(B) Bahrain
(C) Oman
(D) Qatar

5. Which of the following "Gulf country" is an Island?

(A) Bahrain
(B) Qatar.
(C) UAE
(D) Kuwait

6. Istanbul is an important city of Turkey. One part of this city is in Europe and the other part is in Asia. What is the name of the sea which separates European and Asian Turkey?

(A) North Sea
(B) Sea of Marmora
(C) Black Sea
(D) Dead Sea

7. Chile is located on the southwest coast of South America. What is the major language of Chile?

(A) English
(B) Spanish
(C) French
(D) German

8. Which one of the following country does not have Spanish as the major language?

(A) Colombia
(B) Panama
(C) Mexico
(D) Brazil

9. Which country is usually called as The Cockpit of Europe?

(A) Germany
(B) Italy
(C) Belgium
(D) Austria

10. Which one of the following countries is biggest in area?

(A) China
(B) U.S.A.
(C) Brazil
(D) Australia

11. Which city of the world is called "city of Seven Hills"?

(A) Pans
(B) Rome
(C) Moscow
(D) Belgrade

12. Which country is called "Sugar Bowl" of the World?

(A) Indonesia
(B) Cuba
(C) Brazil
(D) Pakistan

13. Name the highest mountains in Europe.

(A) Rocky
(B) Andes
(C) Mount Everest
(D) Alps

14. Which part of the world is called "The land of thousand lakes"?

(A) Holland
(B) Finland
(C) Italy
(D) Thailand

15. The coast of which country is known as the "gold coast"?

(A) Nigeria
(B) Chad
(C) Chana
(D) Togo

16. Name the largest lake in West Africa.

(A) Lake Voita
(B) Lake Chad
(C) Lake Kainji
(D) Lake Faguibire

17. Where is copper belt situated

(A) Zimbabwe
(B) Zambia
(C) Nigeria
(D) Kenya

18. Which separates Africa from Asia?

(A) The Red Sea
(B) The Suez Canal
(C) Sinai
(D) The Horn

19. Kalahari is a famous desert in Africa. In Which country it is situated?

(A) Angola
(B) Libya
(C) Nigeria
(D) Botswana

20. What is the major mineral wealth of South Africa?

(A) Petroleum and gas
(B) Oil and iron
(C) Gold and Diamonds
(D) Tin and Nickel

Answers: General Science Quizzes MCQs

1. C
2. B
3. C
4. C
5. A
6. B
7. B
8. D
9. C
10. B
11. B
12. B
13. D
14. B
15. C
16. A
17. B
18. B
19. D
20. C

Science MCQs

09:27:00 Unknown Everyday Science No comments

Find answers to the Science Multiple alternative queries (MCQs) at the bottom of the page.

1. When does the Summer Solstice occur?

(A) July 21
(B) June 21
(C) April 14
(D) May 20

2. When does the Winter Solstice occur?

(A) December 22
(B) January 21
(C) November 23
(D) October 20

3. The intermediate positions of the Earth in March and September, which are the transitional seasons of spring and autumn respectively, are called equinoxes. When does the autumn equinox occur?

(A) September 20
(B) September 21
(C) September 22
(D) September 23

4. When does the spring equinox occur?

(A) March 19
(B) March 20
(C) March 21
(D) March 22

5. What happens during the Equinoxes?

(A) The Sun shines vertically over the equator.
(B) Length of days and nights are equal all over the world.
(C) Both hemisphere experience the similar seasons.
(D) All the above are correct.

6. What is the name of the mountain in Sri Lanka which is considered sacred to people of all faiths?

(A) Matton Hill
(B) Adam's Peak
(C) Pidrut Alagla
(D) Nuwara Eliya

7. Name the legendary pass that links Pakistan with Afghanistan

(A) Bolan Pass
(B) Chitral Pass
(C) Khyber Pass
(D) Babusar Pass

8. Karakoram Highway is the miracle of mechanical engineering work. Name the two countries which are joined by the highway.

(A) Pakistan and Nepal
(B) Pakistan and China
(C) India and China
(D) Pakistan and Afghanistan

9. Name the river on which the Tarbela Dam is built.

(A) Satluj
(B) Ravi
(C) Jhelum
(D) Indus

10. Chuquicamata, the largest known deposit of copper ore in the world, is on the northern edge of the Atacama desert in:

(A) Mexico
(B) Peru
(C) Chile
(D) Argentina

11. What was once Yugoslavia __________ is now divided into Serbia, Slovenia, Bosnia, Macedonia, Croatia, Montenegro, Kosovo and Vono Dina. These republics are collectively called:

(A) The Irish
(B) The Balkans
(C) The Republicans
(D) The Kurds

12. These seasonal rams are a life bread of half of the world __________ they bring each year both havoc and renewal blessed and cursed, destructive and sustaining. These rains are called:

(A) Torrential
(B) Tropical
(C) Monsoons
(D) Blizzard

13. Name the world's biggest hydropower station which generates about 12,000 MW of electricity.

(A) Yangtze Dam
(B) Brazil's Itaipu Dam
(C) Tarbela Dam
(D) Narmada Dam

14. The power of sunlight captured million of years ago by plants and animals and burned in large deposits under the bed of the Earth, in now being used as a fuel for the production of energy. Name the fuel:

(A) Coal
(B) Petroleum
(C) Natural gas
(D) All the above

15. The Hub Power Project in Pakistan is sponsored by Xenel of Saudi Arabia and a host of other multinationals. It is one of the biggest private power project in Asia and is considered to be trail blazer for other private projects in the region. About how much energy would be produced by this project?

(A) 300 Megawatt
(B) 600 Megawatt
(C) 900 Megawatt
(D) 1200 Megawatt

16. Summer Olympics of 1984, 1988 and 1992 were respectively held at Los Angeles, Seoul and Barcelona. Name the place where Summer Olympics of 1996 were held:

(A) Moscow
(B) Montreal
(C) Atlanta
(D) Beijing

17. Ruby is a precious gemstone. Name a country in South Asia which is famous for the ruby mines:

(A) Pakistan
(B) Myanmar
(C) India
(D) Bhutan

18. What is the name of Bangladesh's major seaport?

(A) Barguna
(B) Dacca
(C) Chittagong
(D) Cox's Bazar

19. Maldives is a beautiful tropical country located in Indian ocean. This country is composed of many islands. About how many islands are present in Maldives?

(A) About 500
(B) About 1000
(C) About 1500
(D) About 2000

20. Siam is an old name of which of following countries?

(A) Sri Lanka
(B) Thailand
(C) Laos
(D) Cambodia

Answers: Science MCQs

1. B
2. A
3. C
4. C
5. D
6. B
7. C
8. B
9. D
10. C
11. B
12. C
13. B
14. D
15. D
16. C
17. B
18. C
19. D
20. B

General Science Quiz

09:23:00 Unknown Everyday Science No comments

Find answers to the General Science Quiz Multiple alternative queries (MCQs) at the bottom of the page.

1. Which is the oldest University in the world?

(A) Oxford University (England)
(B) Cambridge University (England)
(C) Heidelberg University (Germany)
(D) Al-Azhar University (Egypt)

2. Name the only English speaking country in Latin America.

(A) Honduras
(B) Guatemala
(C) Mexico
(D) Costa Rica

3. Japan is known as the "Land of the rising Sun", which country is called "Land of the midnight Sun."

(A) Sweden
(B) Norway
(C) Finland
(D) Iceland

4. Which Asian Capital is known as the "Venice of the East"?

(A) Bombay (India)
(B) Karachi (Pakistan)
(C) Manila (Philippines)
(D) Bangkok (Thailand)

5. Name the country which is known as the "Playground of Europe."

(A) Switzerland
(B) France
(C) Austria
(D) Italy

6. Name the part of the world which is called the roof of the world.

(A) Mongolia
(B) Tibet
(C) Nepal
(D) China

7. Which geographical parallel divides North and South Korea?

(A) 38th parallel
(B) 37th parallel
(C) 36th parallel
(D) 35th parallel

8. Name the country which leads the world in steel production.

(A) Russia
(B) U.S.A.
(C) France
(D) Canada

9. Which is the southern most state of U.S.A.?

(A) Hawaii
(B) Alaska
(C) Florida
(D) Maine

10. Name the country which has the greatest number of volcanoes in the world.

(A) Japan
(B) Indonesia
(C) Mexico
(D) Ecuador

11. Which state of U.S.A. is called the "Mother of President".

(A) Virginia
(B) California
(C) Washington
(D) Georgia

12. Which one of the following languages is most spoken by the people in the world?

(A) English
(B) Chinese
(C) Hindi
(D) Russian

13. Name the World's highest waterfall.

(A) Lofoi (Zaire)
(B) Tugela (South Africa)
(C) Angel (Venezuela)
(D) Mongefossen (Norway)

14. Name the deepest cave in the World.

(A) Gouffre Jean Bernard (France)
(B) Shneeloch Salzburg area (Austria)
(C) Sima GES Malaga (Spain)
(D) Kelsi (USSR)

15. Name the World's tallest building.

(A) Empire State (New York)
(B) Sears Tower (Chicago)
(C) Standard Oil (Chicago)
(D) World Trade Centre (New York)

16. What is the more exact geographical name for a tableland?

(A) A Hill
(B) A Plateau
(C) A Mountain
(D) A Headland

17. What do Fiji, New Caledonia, Tonga and Samoa have common?

(A) All are volcanoes
(B) All are mountains
(C) All are islands
(D) All are in U.S.A.

18. What is Peninsula?

(A) A narrow neck of land that connects two larger landmasses.
(B) A narrow waterway separating two bits of land.
(C) A tip of land which projects into the sea
(D) A piece of land surrounded by water on three sides.

19. What is the geographical name for land's "end"?

(A) A Cape
(B) A Strait
(C) A Spit
(D) An Island

20. Gorge is a narrow passage through land. Name the largest gorge in the world:

(A) Grand Canyon, U.S.A.
(B) Death Valley
(C) Kashmir Valley
(D) Marble Rocks

Answers: General Science Quiz MCQs

1. D
2. C
3. B
4. D
5. A
6. B
7. A
8. B
9. C
10. B
11. A
12. B
13. C
14. A
15. B
16. B
17. C
18. D
19. A
20. A

Everyday Science MCQs

09:17:00 Unknown Everyday Science 3 comments

Find answers to the Everyday Science Multiple alternative queries (MCQs) at the bottom of the page.

1. Which one of the following types of clouds stand lowest from the surface of the Earth?

(A) Altostratus
(B) Cirrostratus
(C) Stratus
(D) Nimbostratus

2. What is approximately the maximum height a cloud can stand and float in the atmosphere?

(A) 20,000 feet
(B) 20,0000 feet
(C) 200 feet
(D) 100 feet

3. Strong winds accompanied with thunder and lightning are known as Thunderstorms. These are generally of local origin, caused by simultaneous heating and cooling. Which one of the following conditions is ideal for the development of a thunderstorm?

(A) Strong convection
(B) High humidity
(C) Increasing temperatures
(D) All the above

4. Cyclone is a storm caused by rotating winds. The word cyclone is derived from the Greek word Kyklos which signifies, amongst other things, the coil of a snake. Which one of the following countries is not more commonly hit by cyclones?

(A) Bangladesh
(B) Libya
(C) Philippines
(D) Australia

5. What factors contribute towards the severity of the cyclone?

(A) Maximum wind speeds.
(B) Pressure deficit
(C) Radius of the eye
(D) All the above

6. Tornadoes are violently rotating, funnel-shaped atmospheric disturbances. The severity of a Tornado can be expressed in terms of the Torro scale used in the U.K., it is based on the extent of the damage caused. Which of the following countries experiences more powerful tornadoes?

(A) U.S.A.
(B) Pakistan
(C) Bangladesh
(D) Canada

7. The Suez Canal, the biggest of its kind lies within the territory of Egypt and was dug across the Isthmus which connects Asia with Africa. This canal was designed and constructed by an engineer named Ferdinand de Lassere. What was the nationality of the engineer?

(A) German
(B) French
(C) English
(D) American

8. When was the Suez Canal opened for traffic?

(A) 1869
(B) 1860
(C) 1865
(D) 1866

9. What is the approximate length of the Suez Canal?

(A) 140 km
(B) 150 km
(C) 160 km
(D) 170 km

10. Which two seas are connected by the Suez Canal?

(A) Caribbean and Red Sea.
(B) Mediterranean and Red Sea.
(C) Mediterranean and Baltic Sea.
(D) North and Baltic Sea.

11. The Panama Canal is another man-made important canal situated in Panama. When was this constructed?

(A) 1914
(B) 1913
(C) 1912
(D) 1911

12. What is the approximate length of the Panama Canal?

(A) 30 miles
(B) 40 miles
(C) 50 miles
(D) 60 miles

13. Which two oceans are connected by the Panama Canal?

(A) Pacific and Indian Ocean.
(B) Pacific and Atlantic Ocean.
(C) Pacific and Artic Ocean.
(D) Atlantic and Indian Ocean.

14. Which one of the following Passes in the northern mountains of Pakistan connects Abbottabad and Gilgit.

(A) The Lawari Pass
(B) The Shandur Pass
(C) The Muztagh Pass
(D) The Babusar Pass

15. Name the largest barrage in Pakistan?

(A) Chasma Barrage
(B) Rasul Barrage
(C) Sukkur Barrage
(D) Qadirabad Barrage

16. What is the colour of the lunar soil?

(A) Bluish
(B) Brownish
(C) Greyish
(D) Yellowish

17. Which city of the world is called as the city of canals?

(A) Lahore (Pakistan)
(B) Venice (Italy)
(C) New York (U.S.A.)
(D) Paris (France)

18. Which city of India is considered the "Mecca of Hindus"?

(A) Bombay
(B) Benares
(C) Delhi
(D) Amritsar

19. Name the world's biggest fresh water lake.

(A) Lake Baikal (Russia)
(B) Great Bear (N. America)
(C) Victoria (Africa)
(D) Eyre (Australia)

20. How do the following personalities come in chronological order? Socrates, Plato, Aristotle, Caesar.

(A) Plato, Socrates, Caesar, Aristotle.
(B) Socrates, Caesar, Plato Aristotle.
(C) Plato, Socrates, Aristotle, Caesar.
(D) Socrates, Plato, Aristotle, Caeasr.

Answers: Everyday Science MCQs

1. C
2. A
3. D
4. C
5. D
6. A
7. B
8. A
9. C
10. B
11. A
12. C
13. B
14. D
15. C
16. C
17. B
18. B
19. A
20. D

Everyday Science Quizzes

07:35:00 Unknown Everyday Science No comments

Find answers to the everyday science quizzes multiple alternative queries (MCQs) at the bottom of the page.

1. Name the biggest sea of the world.

(A) Mediterranean Sea
(B) South China Sea
(C) North Sea
(D) Caribean Sea

2. What is the approximate area of the Caribbean Sea?

(A) 970,000 square miles
(B) 960,000 square miles
(C) 950,000 square miles
(D) 940,000 square miles

3. Name the longest river of the world.

(A) Amazon
(B) Nile-Kagera
(C) Yangtze
(D) Ganges

4. Name the second largest river of the world.

(A) Yangtze
(B) Indus
(C) Volta
(D) Amazon

5. Amazon river empties into:

(A) Pacific Ocean
(B) Atlantic Ocean
(C) Indian Ocean
(D) North Sea

6. Nile-Kagera empties into:

(A) Mediterranean Sea
(B) Black Sea
(C) Dead Sea
(D) North Sea

7. Which of the following is not a great world desert?

(A) Gobi
(B) Kalahari
(C) Dasht-i-Lut/li>
(D) Eyre

8. Where is Sahara desert situated?

(A) North Africa
(B) Western Australia
(C) Iran
(D) Northern Sudan

9. Name the famous desert of Northern Chile.

(A) Gibson
(B) Atacama
(C) Great Sandy
(D) Colorado

10. Name the largest lake of the world.

(A) Caspian Sea
(B) Chad
(C) Baykal
(D) Kariba

11. Name the biggest World Island.

(A) Borneo
(B) Green land
(C) Madagascar
(D) Fiji

12. What is the exact shape of the Earth?

(A) It is like a perfect sphere.
(B) It is like a cricket ball.
(C) It is like an oblate spheroid.
(D) It is like an orange.

13. Because the Earth is not a perfect sphere therefore, its equatorial diameter is not equal to the polar diameter. About how many miles the equatorial (horizontal) diameter is bigger than the polar (vertical) diameter.

(A) 7 miles
(B) 17 miles
(C) 27 miles
(D) 37 miles

14. What is the approximate circumference of the Earth?

(A) 25,000 miles
(B) 35,000 miles
(C) 15,000 miles
(D) 10,000 miles

15. The inferior of the Earth is divided into Crust, Mantle and Core. The crust of the Earth is also called as the skin of the Earth and is the tinnest of the three. What is the approximate thickness of the crust?

(A) 10 miles
(B) 20 miles
(C) 30 miles
(D) 40 miles

16. Which of the following is not a main feature of the land surface of the Earth?

(A) Mountains
(B) Plateaus
(C) Plains
(D) Deeps

17. Valleys are important features of mountains. A valley is an opening between two mountains or hills. Which of the following is not a broad valley in Pakistan?

(A) Multan
(B) Gilgit
(C) Chitral
(D) Kaghan

18. Which one of the following is not a feature of coast lines?

(A) Peninsula
(B) Bay
(C) Plain
(D) Gulf

19. What name is given to a lake which has a sea bar at least on one side?

(A) Island
(B) Lagoon
(C) Isthmus
(D) Strait

20. Mountains are covered with snow. When snow becomes old and is pressed hard, it is called ice. Ice also flows down the slopes like rivers. These rivers of ice are called Glaciers. Which of the following is not the name of glaciers in Pakistan.

(A) Batura
(B) Biafo
(C) Potwar
(D) Hispar

Answers: Everyday Science Quizzes MCQs

1. D
2. A
3. B
4. D
5. B
6. A
7. D
8. A
9. B
10. A
11. B
12. C
13. C
14. A
15. B
16. D
17. A
18. C
19. B
20. C

Science Quizzes

09:26:00 Unknown Everyday Science No comments

Find answers to the Science Quizzes Multiple alternative queries (MCQs) at the bottom of the page.

1. "Geography as a whole is regarded as that department of knowledge which studies the varied features of the Earth's surface as the environment of mankind". It is one of the oldest disciplines and has been defined by different people in different ways over the years. Geography is a branch of which of the following faculties?

(A) Physical Sciences
(B) Chemical Sciences
(C) Biological Sciences
(D) Social Sciences

2. "Geography is Human Ecology". This is another characteristic definition of geography. Name the author of this definition.

(A) Marthe
(B) Taylor
(C) Spykman
(D) Barrows

3. Below are given some more definitions of geography along with their authors. Which of the following is a wrong pair?

(A) Geography is the science of places; __________ Vidal de al Blache.
(B) Geography is the science of distribution; __________ Marthe.
(C) Geography is the strategy of men, space and resources; __________ Taylor.
(D) Geography tells what is where, why and what it is made of __________ Barrows.

4. Geographers of the world divide geography different branches. What is the name of the geography which deals, with the man-made features of the Earth?

(A) Physical geography
(B) Human geography
(C) Astronomical geography
(D) General geography

5. Physical geography is the study of man's life and works in relation to the environment, which of the following topics are studied under the heading of physical geography?

(A) Landforms
(B) Natural vegetation
(C) Drainage forms
(D) All the above

6. The continent is a continuous mass of land. Continents make a division of land on the globe. How many continents are present on the surface of this Earth.

(A) Four
(B) Five
(C) Six
(D) Seven

7. Gondwana and Laurasia were the names of two supercontinents which defined the land surface of the Earth in prehistoric times. Which of the following land surface was the essential part of Gondwana?

(A) Australia
(B) Africa
(C) Pakistan
(D) All the above

8. Name the biggest continent.

(A) Africa
(B) Asia
(C) Europe
(D) North America

9. Name the smallest continent.

(A) Australia
(B) South America
(C) Europe
(D) Antarctica

10. Name the second biggest continent.

(A) North America
(B) South America
(C) Africa
(D) Europe

11. Name the continent which is completely situated in the northern hemisphere.

(A) North America
(B) Asia
(C) Europe
(D) Antarctica

12. What is the approximate area of Asia?

(A) 14,129,000 square miles
(B) 15,129,000 square miles
(C) 16,129,000 square miles
(D) 17,129,000 square miles

13. About how much percent of the world land is occupied by Asia?

(A) 26.7%
(B) 27.7%
(C) 28.7%
(D) 29.7%

14. Name the highest point in Asia.

(A) Mount Mckinley
(B) Mount Everest
(C) Aconcagua
(D) Vinson Massif

15. Name the lowest point in Asia.

(A) Dead Sea
(B) Lake Assal
(C) Caspian Sea
(D) Death Valley

16. Name the highest point in North America.

(A) Kibo
(B) Mount Mckinley
(C) Mount Kosciusko
(D) Elbrus

17. Name the lowest point in North America.

(A) Lake Rassel
(B) Caspian Sea
(C) Death Valley
(D) Salinas Grandes

18. Name the continent which has the largest area of Equatorial Rain Forest.

(A) South America
(B) Asia
(C) Africa
(D) Australia

19. Name the largest ocean.

(A) Atlantic
(B) Pacific
(C) Indian
(D) Arctic

20. What is the approximate area of the Pacific Ocean?

(A) 60,186,000 square miles
(B) 62,186,000 square miles
(C) 63,186,000 square miles
(D) 64,186,000 square miles

Answers: Science Quizzes MCQs

1. D
2. D
3. D
4. C
5. B
6. D
7. D
8. B
9. D
10. C
11. C
12. C
13. D
14. B
15. A
16. B
17. B
18. A
19. B
20. D

General Science MCQs

09:33:00 Unknown Everyday Science No comments

Find answers to the Multiple alternative queries (MCQs) at the bottom of the page.

1. Nebula is a cloudy luminous patch in the heavens that consists of a galaxy of stars or of materials (dust and gas) from which such galaxies are being formed. Name the brightest Nebula in the sky.

(A) Large Magellanic Cloud
(B) Orion Nebula
(C) Ring Nebula
(D) M 42

2. No spectacle in the Universe is more dramatic than an exploding star. What name is given to this phenomenon in cosmology?

(A) Black hole
(B) Neutron Star
(C) Supernova
(D) None of the above

3. Titan is the moon of a planet of our solar system, it is loaded with organic substances that bacteria can eat. Name the planet.

(A) Venus
(B) Neptune
(C) Saturn
(D) Jupiter

4. "God does not play dice with the Universe" who said this?

(A) Albert Einstein
(B) Edmund Halley
(C) Edwin Rubble
(D) Francis Daily

5. Quasars are recently discovered extra-galactic sources of high energy electromagnetic radiation. Name the brightest Quasar known.

(A) 3 C-245
(B) 3 C-273
(C) 0Q-172
(D) PK-220-330

6. Which one of the following is not the name of the space shuttles?

(A) Challenger
(B) Atlantic
(C) Columbia
(D) Skylab

7. Name the gas which was discovered on the Sun about 125 years ago during eclipse watching.

(A) Hydrogen
(B) Helium
(C) Nitrogen
(D) Argon

8. Constellation is the configuration of a group of stars. Hydra is the largest constellation. Name the smallest constellation.

(A) Cetus
(B) Crux Australis
(C) Apus
(D) Dorado

9. Planets are non-luminous heavenly bodies may be rocky or gaseous. But some planets enjoy the status of a star in everyday life. Which planet of our solar system is called as the Morning Star?

(A) Mars
(B) Mercury
(C) Uranus
(D) Venus

10. Satellites are objects that revolve around planets. Satellites may be natural (like moons) or artificial (man-made). Man-made satellites are launched into the Earth's orbit for various purposes. Which one of the following man-made satellite goes around the Earth at low altitudes?

(A) Meteorological Satellites
(B) Communication Satellites
(C) Spy Satellites
(D) Navigation Satellites

11. Meteorites are extra-terrestrial intruders and they have been hitting our Earth in the past. A huge meteorite fell in Tunguska, Siberia (Russia) in the early twentieth century. What was the year?

(A) 1908
(B) 1907
(C) 1906
(D) 1901

12. Who was the first to show that the planets move around the Sun in elliptic orbits?

(A) Ptolemy
(B) Johannes Kepler
(C) Archimedes
(D) Galileo Galilei

13. Penzias and Wilson detected an Echo from the Big Bang in the form of microwave radiation. This is also called as the 3K microwave background signal. In which year were Penzias and Wilson awarded the Nobel Prize for this discovery?

(A) 1978
(B) 1968
(C) 1958
(D) 1948

14. So like the Sun in chemical composition, the lord of the planets falls far short of the bulk and heat to blaze as a star itself. It is the hottest planet of our solar system. Name it.

(A) Neptune
(B) Saturn
(C) Jupiter
(D) Uranus

15. Proxima Centauri is the nearest star to the Earth apart from the Sun. How far is this from the Earth?

(A) 8.22 light years.
(B) 7.22 light years.
(C) 6.22 light years.
(D) 4.22 light years.

16. Parsec is a unit of distance used to measure the separation of stars. What is its equivalent in light years?

(A) 3.26 light years.
(B) 4.26 light years.
(C) 5.26 light years.
(D) 6.26 light years.

17. Zodiac is the zone of the celestial sphere that contains the paths of the sun, the moon and the planets. How many constellations lie on the Zodiac belt?

(A) 12
(B) 14
(C) 16
(D) 18

18. Polaris is the northern pole star. Name the southern pole star.

(A) Urase
(B) Sigma Octanis
(C) Tau Octanis
(D) Lambda Octanis

19. Stars are of various types. Our Sun is also a typical star. What type of star it is?

(A) Supergiant
(B) Red giant
(C) Yellow dwarf
(D) White dwarf

20. Matter of the Universe exists in four distinct physical states. Name the physical state in which most of the matter of the Universe is conserved.

(A) Liquid
(B) Solid
(C) Gas
(D) Plasma

Answers: General Science MCQs

1. A
2. B
3. C
4. D
5. B
6. D
7. D
8. B
9. D
10. D
11. B
12. B
13. A
14. C
15. D
16. A
17. A
18. B
19. C
20. D

Science Questions

09:04:00 Unknown Everyday Science No comments

Find answers to the Multiple alternative queries (MCQs) at the bottom of the page.

1. Faster than a speeding bullet, more powerful than a supernova, able to crush small planet with a single swipe these are primordial, angel-hair thin cracks in the structure of the space. Name them.

(A) Cosmic strings
(B) Saturn rings
(C) Neptune rings
(D) Black holes

2. When Pakistan launched its second telecommunication satellite Badar 'B'?

(A) In 1996
(B) In 1997
(C) In 1995
(D) In 1998

3. Atmosphere of the Earth is made up of different spheres. In which part of the atmosphere commercial aircraft usually fly?

(A) Thermosphere
(B) Stratosphere
(C) Troposphere
(D) Mesosphere

4. Why do we see but only one face of the Moon always?

(A) Because the Moon has phases
(B) Because the Moon is not spinning around it'S axis.
(C) Because it is in between the Sun and the Earth
(D) Because it has synchronous revolution and spin.

5. The Sun rises on the North Pole on the 21st March and this pole remains in light till what date?

(A) 23rd September
(B) 21st September
(C) 22nd June
(D) 22nd December

6. What was the approximate temperature of the Universe at the time of its birth?

(A) 10²⁸ ^oC
(B) 10²⁰ ^oC
(C) 10¹⁰ ^oC
(D) 10⁵ ^oC

7. Name the gas which was discovered on the Sun about 125 years ago during eclipse watching.

(A) Hydrogen
(B) Helium
(C) Nitrogen
(D) Argon

8. After how much time, a total solar eclipse passes over a particular spot on the Earth?

(A) 100 years after
(B) 200 years after
(C) 250 years after
(D) 360 years after

9. About how much energy is radiated per square meter of Sun's surface into space?

(A) 64 thousand watts
(B) 64 hundred watts
(C) 64 hundred thousand watts
(D) 64 million watts

10. What is the approximate age of the Sun?

(A) 6.4 thousand years
(B) 6.4 billion years
(C) 6.4 million years
(D) 6.4 hundred thousand years

11. How many times is Jupiter's gravity greater than that of the Earth?

(A) 64 times
(B) 164 times
(C) 264 times
(D) 364 times

12. About how many years ago, the first solar eclipse was officially recorded by man?

(A) 1,000 years
(B) 2,000 years
(C) 3,000 years
(D) 4,000 years

13. What is the maximum possible duration of a total solar eclipse?

(A) 3 minutes and 30 seconds
(B) 7 minutes and 20 seconds
(C) 6 minutes and 30 seconds
(D) 5 minutes and 20 seconds

14. Why a solar eclipse cannot be seen from all parts of the world?

(A) Because it depends upon the latitude of the observer.
(B) Because it depends upon the direction of the wind.
(C) Because it depends upon the speed of the earth.
(D) None of the above.

15. The equator of the moon is inclined 6 degrees to the plane of its orbit around the Earth therefore 100 percent of the moon's surface is not visible at different times from the Earth. What percentage of moon's surface is visible?

(A) 59%
(B) 49%
(C) 39%
(D) 69%

16. The interval between two total solar eclipses is called the Saros cycle. What is it's duration?

(A) 6 years
(B) 10 years
(C) 18 years
(D) 11 years

17. The moon moves Eastward in its orbit at about 3400 km per hour. Approximately what is the speed of rotation of the Earth at it's equator?

(A) 700 km per hour
(B) 1700 km per hour
(C) 2700 km per hour
(D) 3700 km per hour

18. How many maximum number of solar eclipses can occur in one calendar year?

(A) Seven
(B) Five
(C) Four
(D) One

19. Name the instrument which is used to measure the speed of an aircraft relative to the speed of sound.

(A) Speedometer
(B) Altimeter
(C) Telemeter
(D) Machmeter

20. A layer of Ozone in the stratosphere protects the Earth by blocking most of the Sun's harmful ultraviolet light. These are high energy radiations. Which of the following can have the potential effects of UV light?

(A) Eyes
(B) Skin
(C) Crops
(D) All the above.

Answers: Physical Sciences MCQs

1. A
2. C
3. C
4. D
5. A
6. A
7. B
8. D
9. D
10. B
11. C
12. D
13. B
14. A
15. D
16. C
17. B
18. A
19. D
20. B

Questions Of Everyday Science

09:01:00 Unknown Everyday Science No comments

Find answers to the Multiple alternative queries (MCQs) at the bottom of the page.

1. In February 1987, astronomers in South America discovered a supernova explosion in the Large Magellanic Cloud, a small galaxy not far from the Milky way. The explosion. Which was visible to the naked eye for several weeks. It was the closest supernova that astronomers have observed in nearly 400 years. How many years ago the actual explosion must have taken place?

(A) 140,000 years ago
(B) 150,000 years ago
(C) 160,000 years ago
(D) 170,000 years ago

2. English names of the days of the week are derived from the names of the heavenly bodies or from the names of gods. Sunday is named after the Sun and Monday after the Moon. How is the name of Friday derived?

(A) Tiw, the Anglo-Saxon counterpart of the Nordic god Tyr.
(B) Thor, the Nordic god of thunder.
(C) Frigg, the Nordic goddess of Love.
(D) Saturn, Roman god of agriculture and vegetation.

3. Comets can best be described as dirty snowballs. They are thought to originate in a region known as the Oort Cloud, about one light-year away from the Sun. Halley's comet is the best-known example. What is the period of Halley's comet?

(A) 60 years
(B) 70 years
(C) 76 years
(D) 80 years

4. The majority of stars are members of binary or multiple star systems. Binary stars consist of two stars each orbiting around their common center of gravity. Which eclipsing binary star was first discovered?

(A) Algol
(B) Beta Lyrae
(C) Epsilon Aurigae
(D) Castor

5. A radio telescope is different from an optical telescope. Instead of seeing, it detects the radio signals. Who was the first to build a radio telescope?

(A) Bernard Lovell
(B) Karl Jansky
(C) Van de Hulst
(D) John Flamsteed

6. Formation of Eclipses is the manifestation of what property of light?

(A) Polychromatic nature of light.
(B) Rectilinear Propagation of light.
(C) High velocity of light.
(D) Reflection of light.

7. At the time of the occurrence of the total solar eclipse, what is the phase of the moon?

(A) Full moon
(B) New moon
(C) First quarter
(D) Waning globous

8. Why is the total solar eclipse of July 11, 1991, called the Eclipse of the Century?

(A) Because it was seen from all parts of the world.
(B) Because it lasted for about seven minutes.
(C) Because it was the most mysterious eclipse.
(D) Because it occurred 500 years after.

9. Comets have always seemed to frighten people and considered as omens of disasters. But now these are cosmic visitors for us. When was famous Halley's comet first seen?

(A) 1456
(B) 1531
(C) 1607
(D) 1682

10. When did Edmund Halley calculate the orbit of Halley's comet?

(A) 1705
(B) 1725
(C) 1745
(D) 1758

11. It is blue, beautiful and on the edge of the solar system. After 12 years and 4.43 billion miles, Voyager 2 reached here. It is also called the baby-blue planet. Name the planet:

(A) Neptune
(B) Venus
(C) Saturn
(D) Jupiter

12. About 4,100 years ago, a Neolithic people built a remarkable monument, called the Stonehenge. It was actually an astronomical clock and they could predict eclipses, the exact days of the solstices, the long term cycles of the Moon and Sun and other important heavenly events. In which country is Stonehenge situated?

(A) Australia
(B) China
(C) Pakistan
(D) England

13. Name the coldest planet of our solar system.

(A) Mars
(B) Mercury
(C) Pluto
(D) Neptune

14. Launched by NASA in spring 1990, the Hubble space Telescope is the greatest scientific achievement of the 20th century. It will probe the Universe as it existed 15 billion years ago. About how many miles above the surface of the Earth, it is orbiting?

(A) 380 miles
(B) 100 miles
(C) 200 miles
(D) 300 miles

15. Name the planet which has no moon.

(A) Pluto
(B) Mars
(C) Mercury
(D) Jupiter

16. Radio astronomy began in 1931 when a young radio engineer for Bell Telephone Laboratories, began seeking the source of static that interfered with transatlantic communication. Name him.

(A) Karl Jansky
(B) Robert Wilson
(C) Rober Dick
(D) Arno A. Penzias

17. The first confirmed meteorite crater on Earth was identified in the Arizona desert between Flagstaff and Winslow in 1904 by David Moreau Barringer. What is the width of this Barringer Meteorite Crater?

(A) 40 feet
(B) 100 feet
(C) 400 feet
(D) 4000 feet

18. The sky looks blue from the surface of the Earth and it looks black from the moon which has no atmosphere. It appears orangish red from the plains of Mars which is surrounded by a thin air of carbon dioxide. These different patterns of color in the air are due to:

(A) Presence of water vapors
(B) Scattering of white light of the Sun.
(C) Visual illusions
(D) Radio waves.

19. The Aurora or Northern Polar lights are among the most interesting phenomenon visible on the Earth. The display commences with a greenish-white light arching from the horizon to horizon across the apex of the sky. The electromagnetic bands that generate the aurora are in which part of the atmosphere.

(A) Ionosphere
(B) Thermosphere
(C) Stratosphere
(D) Mesosphere

20. Physicists have known about these high energy invisible rays for 80 years, but their precise nature is still a mystery. They come from unknown parts. They pack a mean energy and they seem to break the laws of physics. Name them.

(A) X-rays
(B) UV-rays
(C) Visible rays
(D) Cosmic rays

Answers: Physical Sciences MCQs

1. D
2. C
3. C
4. A
5. B
6. B
7. B
8. B
9. A
10. A
11. A
12. D
13. C
14. A
15. B
16. A
17. D
18. B
19. B
20. D

Questions Of Science

07:48:00 Unknown Everyday Science No comments

Find answers to the Multiple alternative queries (MCQs) at the bottom of the page.

1. Name the nearest star to our sun.

(A) Proxima Centurai
(B) Alpha Scorpii
(C) Beta Orionis
(D) Vega

2. Which planet of our solar system is the fastest in rotation?

(A) Mars
(B) Pluto
(C) Jupiter
(D) Venus

3. Reflecting telescope and Gregorian telescope were respectively invented by Issac Newton and James Gregory. Who invented the infrared telescope?

(A) Frank Low
(B) David Gregory
(C) David Alien
(D) Langley

4. Name the closest Planet to the Sun.

(A) Neptune
(B) Pluto
(C) Mercury
(D) Mars

5. Name the farthest away planet from the sun.

(A) Neptune
(B) Pluto
(C) Mercury
(D) Mars

6. Length of days is different for different planets of the solar system. A day on Venus is 117 Earth days long. How many Earth days would be equal to one day on Mercury?

(A) 30 days
(B) 40 days
(C) 50 days
(D) 55 days

7. Name the third planet from the sun.

(A) Earth
(B) Jupiter
(C) Venus
(D) Saturn

8. Name the year in which spacecraft Viking I and Viking II landed on Mars.

(A) 1973
(B) 1974
(C) 1975
(D) 1976

9. Mars is barren desert. It is covered with red dust, which is why Mars is also called as the:

(A) Red planet
(B) Brown planet
(C) Hot planet
(D) Cold planet

10. Name the large gas giant planet which is larger than all of the other planets put together.

(A) Neptune
(B) Saturn
(C) Jupiter
(D) Venus

11. Jupiter is the fifth planet from the Sun. It is named after the greatest of the Roman gods. It is much bigger than Earth. About how many Earths would equal to one Jupiter?

(A) 100
(B) 500
(C) 700
(D) 1000

12. Name the planet which was last discovered?

(A) Pluto
(B) Neptune
(C) Uranus
(D) Venus

13. Although Neptune is the eighth planet of the solar system and Pluto the ninth. But Pluto has a lopsided orbit around the Sun. In the late 1970s, it moved closer to the Sun than Neptune. Pluto is now the eighth planet and Neptune is the ninth. In which year, Pluto will once again become the ninth planet?

(A) 1999
(B) 1997
(C) 1998
(D) 1995

14. What is the distance of the Moon from the Earth?

(A) 340,000 Km.
(B) 385,000 Km.
(C) 380,000 Km.
(D) 360,000 Km.

15. Name the largest moon in our solar system.

(A) Ganymede
(B) Titan
(C) Callisto
(D) Miranda

16. Which planet of our solar system has the largest moon?

(A) Uranus
(B) Neptune
(C) Saturn
(D) Jupiter

17. Miranda, Ariel, Umbriel, Titania and Oberon are the five largest moons of a planet.

(A) Jupiter
(B) Uranus
(C) Venus
(D) Saturn

18. Name the biggest Asteroid of the solar system.

(A) Ceres
(B) Hermes
(C) Icarus
(D) Hidalgo

19. How far away is the Andromeda Galaxy from our Milky Way?

(A) One million light years.
(B) Two million light years.
(C) Two thousand light years.
(D) Hundred thousand light years.

20. There are millions of galaxies in the Universe. A group of galaxies is called galactic clusters. What is the name of a small cluster to which our Milky Way, Way belongs to?

(A) Local group
(B) Zero group
(C) Large group
(D) Small group

Answers: Everyday Science MCQs

1. B
2. A
3. B
4. B
5. C
6. A
7. B
8. A
9. C
10. D
11. A
12. C
13. A
14. D
15. B
16. D
17. A
18. D
19. A
20. C

Science Quiz

10:35:00 Unknown Everyday Science No comments

Find answers to the Multiple alternative queries (MCQs) at the bottom of the page.

1. Neil. A. Armstrong visited the moon July 16, 1969, and remained there for 21 hours and 36 minutes. Name of manned spacecraft that took him to the mission.

(A) U.S. Gemini 12
(B) USSR Soyuz 5
(C) U.S. Apollo 11
(D) U.S. Apollo 9

2. 'Early Bird' was the first operational communication satellite launched into the Earth's orbit by NASA. When was it launched?

(A) 1920
(B) 1965
(C) 1945
(D) 1975

3. Comets are bodies that move around the sun, most of them in highly elliptic orbits. Name the famous comet which visited our Earth in 1986 and will return in the year 2062.

(A) Pons-brooks
(B) Halley
(C) Crommelin
(D) Neujmin I.

4. Over the next two decades, NASA plans to launch more than two dozens satellites for its "Mission to Planet Earth". The eyes in the sky will collect information about clouds; ocean circulation, ice and pollution, helping scientists refine their predictions of globe warming. What does NASA stand, for?

(A) Nuclear Atlantic Supervisory Agency
(B) Nuclear Agency and Space Administration
(C) National Aeronautics and Space Administration
(D) None of them

5. How much time the light takes to reach from the sun to the Earth?

(A) Four minutes and 30 seconds
(B) Eight minutes and 15 seconds
(C) Seven minutes and 15 seconds
(D) Six minutes and 30 seconds

6. Astronomical unit is a bigger unit of distance and it is used to measure distances between the heavenly bodies of the solar system. One astronomical unit is equal to how much Km in whole numbers?

(A) 50 million Km
(B) 100 million Km
(C) 150 million Km
(D) One million Km

7. Light year is still even a bigger unit of distance. It is defined as the distance traveled by light in one year. This unit is used to measure distances between the galaxies. How much is one light year approximately equal to:

(A) One hundred million Km
(B) Ten million Km
(C) Ten thousand million Km
(D) Ten million million Km

8. How many stars are present in our Milky Way galaxy?

(A) 10¹¹
(B) 10²
(C) 10⁵
(D) 10³

9. What is the shape of our Milky Way galaxy?

(A) Irregular
(B) Spiral
(C) Elliptic
(D) Rectangular

10. The celebrated rings of giant Saturn are composed of thousands of rippling, spiraling bands from 6 to 60 miles in width. Which other planet of our solar system also has rings?

(A) Venus
(B) Mercury
(C) Neptune
(D) Jupiter

11. Name the brightest planet of our solar system.

(A) Jupiter
(B) Venus
(C) Mars
(D) Mercury

12. Name the smallest planet of our solar system.

(A) Jupiter
(B) Venus
(C) Mars
(D) Mercury

13. Space Shuttle Challenger (on Mission 51-L) exploded into fireball in which seven space heroes were burnt to ashes. The explosion of fuel in the external tank destroyed the spacecraft 70 seconds after the lift-off from the Kennedy Space Center in Florida. When did this tragic incident occur?

(A) December 28, 1986.
(B) January 28, 1986.
(C) December 28, 1985.
(D) February 28. 1985.

14. Name the largest planet of our solar system.

(A) Saturn
(B) Jupiter
(C) Venus
(D) Neptune

15. Black hole is a hypothetical region in space having tremendously high gravitational pull. Which one of the following also refers to black holes?

(A) Holes occuring in heavenly bodies.
(B) Black spots on the sun.
(C) Collapsing object of very high density.
(D) Craters on the moon.

16. Which planet of our solar system has the highest density or is the densest?

(A) Earth
(B) Pluto
(C) Jupiter
(D) Venus

17. Red Shift experiments have shown that the Universe is expanding. Name the scientist who first provided evidence for the expansion of the Universe.

(A) William Muggins
(B) Edwin P. Hubbel
(C) Henry Russel
(D) George Gamow

18. Which planet of our solar system has maximum number of moons?

(A) Saturn
(B) Jupiter
(C) Venus
(D) Earth

19. Which planet of our solar system takes 687 days to go once around the sun?

(A) Mercury
(B) Pluto
(C) Mars
(D) Neptune

20. Name the nearest regular galaxy to our Milky Way.

(A) NGC185
(B) Small Magellanic Cloud
(C) Large Magellanic Cloud
(D) Andromeda

General Science Ability By Prof. Akram Kashmiri

07:09:00 Unknown Everyday Science 4 comments

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General Science Ability By Prof. Akram Kashmiri

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Science MCQs

07:37:00 Unknown Everyday Science No comments

1. What is the approximate average distance from the sun to the earth?

(A) 1600,90,000 kms
(B) 1480,00,000 kms
(C) 1500,00,000 kms
(D) 1890,70,000 kms

2. The outer surface of the sun is called?

(A) Thermosphere
(B) lithosphere
(C) Lonosphere
(D) photosphere

3. Which planet has the maximum number of satellites?

(A) Mars
(B) mercury
(C) Venus
(D) Jupiter

4. What is a light year?

(A) The year was marked by an extraordinary amount of torment of radiation
(B) The year marked by extraordinary less amount of sunlight radiation reaching the earth due to protracted cloudy weather on earth making that year lighter than the normal
(C) The year the sun shines more light making an extra day in February
(D) The distance traveled by light in 01 years.

5. What are the red giants?

(A) Stars that seem red because of their consuming a portion of their hydrogen.
(B) The star group visibly supersized near Mars
(C) Stars that consume some of their oxygen and therefore seem red as a result of lack of O2
(D) Powerful communist countries.

6. What are the asteroids?

(A) Piece of falling stars
(B) Satellite of different planets
(C) Very small planet rotating around the sun
(D) Rocks found on the moon

7. What is the temperature at the middle of the sun?

(A) 6000000 k
(B) 10000000 k
(C) 12000000 k
(D) 20000000 k

8. The phase of moon are partially the result of the?

(A) Changes in the shape of the moon
(B) Moon's Revolution on Earth
(C) The variation in gravity of the moon
(D) Variation of the rotation speed of the moon

9. Constellations referred to as Zodiac are?

(A) Imaginary region that includes the path of the planets
(B) The Signs of the Roman God
(C) A group of stars
(D) None

10. The height of a geostationary satellite from the Earth's surface is approximately?

(A) 360 km
(B) 3600 km
(C) 23,000 km
(D) 360,000 km

11. What are the reasons why there is no total eclipse of the sun?

(A) Area of the sun covered by the moon
(B) Direction rotation around the sun
(C) Orbit of moon around the sun
(D) Size of earth in relation to that of moon

12. The instrument used to measure milk density?

(A) Barometer
(B) Hygrometer
(C) Lactometer
(D) None of them

13. The internal antenna of transistor set is made of?

(A) The iron
(B) Ferrochrome
(C) Copper
(D) Alnico

14. Gerontology is the study of?

(A) Aging
(B) Cell growth
(C) Birds
(D) Vegetables

15. Helium is used to breathe in deep water rather than nitrogen because

(A) It is heavier than nitrogen
(B) It is higher than nitrogen
(C) It mixes less in blood than nitrogen
(D) It helps oxygen to burn more quickly

16. In a fluorescent tube, the following components are found.

(A) The mercury vapors
(B) Argon and carbon dioxide
(C) Helium and oxygen
(D) Argon and neon

17. Aluminum common ore is?

(A) Chromite
(B) Cryolite
(C) Bauxite
(D) Monazite

18. When you enter a dark room, you can not see anything, but after a while the vision improves. This is due to the fact?

(A) The retina of the eye comes forward
(B) The retina of the eye moves backward
(C) The pupil of the eye contracts
(D) The pupil of the eye dilates

19. Radio carbon dating is used to determine age of?

(A) Fossils
(B) Building
(C) Rocks
(D) Babies

20. What is the periscope used for?

(A) To survey the ships on the surface of the ocean once the submarine is below water
(B) Extinguishing the fire
(C) To measure milk purity
(D) None of the above

Science MCQs

07:07:00 Unknown Everyday Science No comments

1. Crystals have varying amount of symmetry that is repetition of the basic structural elements by symmetry operators such as rotation axes and mirror planes. External shapes of crystals?

(A) Seven
(B) Six
(C) Five
(D) Four

2. The method of formation of minerals on the Moon is different from that of the Earth because of extreme dryness of the lunar surface. Under dry conditions, mineral concentrations arise principally from the process of liquid immiscibility and from gravity settling of crystals from liquid. Which one of the following is a principal mineral of the lunar surface?

(A) Pyroxene
(B) Plagioclase
(C) Olivine
(D) All the above

3. Rocks which have enough metal in them to make mining worthwhile are called ores.

(A) Paual Knipping
(B) Waldemar Lindgren
(C) E.S. Fedorov
(D) William Nicol

4. What are those ores called which are most commonly precipitated where former permeable zones intersected reactive rocks?

(A) Hypothermal
(B) Hydrothermal
(C) Epithermal
(D) Mesothermal

5. Which one of the following is not an example of Hypothermal Ores?

(A) Cassiterite
(B) Wolframite
(C) Scheelite
(D) Atimony Sulphide

6. Which one of the following is not an example of metamorphic minerals

(A) Garnet
(B) Tremolite
(C) Wolframite
(D) Kyanite

7. Which one of the following is a radioactive ore?

(A) Carnotite
(B) Scheelite
(C) Tremolite
(D) Wiilfenite

8. Which one of the following is an important ore for Aluminum metal?

(A) Brucite
(B) Bauxite
(C) Braunite
(D) Borax

9. What is common among the following ores: Gypsum, Epsomite, Chalcanthite and Mirabilite.

(A) All are radioactive ores
(B) All are ores for Iron metal
(C) All are sulphates chemically
(D) All are metamorphic in nature

10. Which of the following ores is exported by Pakistan?

(A) Dolomite and Borax
(B) Gypsum and chromite
(C) Wolframite and Bauxite
(D) Carnotite and Bauxite

11. Copper is considered as one of the oldest metal and it is known since 4000 B.C. Copper is largely distributed in rocks, soil and sea. Which one of the following ores of copper is chemically copper oxide?

(A) Chalcopyrite
(B) Cuprite
(C) Azurite
(D) Chalcocite

12. Where are copper ores found in Pakistan?

(A) In Punjab
(B) In Sindh
(C) In KPK
(D) In Balochistan

13. Bauxite is an important ore for Aluminum which is extracted by Hall process. Which of the following countries is rich in Bauxite deposits?

(A) Australia
(B) Brazil
(C) France
(D) All the above

14. Which one of the following is the most important ore of Iron?

(A) Hematite
(B) Limonite
(C) Magnetite
(D) Siderite

15. Which one of the following is not a clay mineral?

(A) Bentonite
(B) Biotite
(C) Illite
(D) Kaolimite

16. Which one of the following is not a clay mineral

(A) Bentonite
(B) Biotite
(C) Illite
(D) Kaolimite

17. Which one of the following is an ore for Uranium?

(A) Carnallite
(B) Carnotite
(C) Crocoite
(D) Calcite

18. Zinc is a shining white metal with bluish gray luster. It does not occur free. Which one of the following is not an ore for zinc?

(A) Franklinite
(B) Epsomite
(C) Smithsonite
(D) Wurtzite

19. Tungsten is a hard, brittle gray solid. It has the highest melting point 3410^o of all the metals. Which one of the following is an important ore of Tungsten.

(A) Wolframite
(B) Dolomite
(C) Chromite
(D) Brucite

20. Vanadium is a silvery-white ductile metal. It is used for the manufacture of alloy steels. Which one of the following is an ore for Vanadium?

(A) Patronite
(B) Vanadinite
(C) Roscoelite
(D) All the above

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