Science Questions

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