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
- 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
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