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Space Technology & Astronomy

69 questions in Science & Technology.

Asked in 2001, 2000, 1998, 1997, 1996, 1995

Which of the following statements are true about the Indian-born woman astronaut Kalpana Chawla? I. She was born in Karnal. II. She flew on board the shuttle flight STS-87. III. She was trained at the Kennedy Space Centre. IV. She did a space-walk to retrieve the Spartan Satellite. Select the correct answer using the codes given below:

  1. (a)I and II
  2. (b)II and III
  3. (c)I, II and III
  4. (d)I, II and IV
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Official answer(c) I, II and III

Consider the following statements regarding asteroids: I. Asteroids are rocky debris of varying sizes orbiting the Sun. II. Most of the asteroids are small but some have diameter as large as 1000 km. III. The orbit of asteroids lies between the orbits of Jupiter and Saturn. Of these statements:

  1. (a)I, II and III are correct
  2. (b)II and III are correct
  3. (c)I and II are correct
  4. (d)I and III are correct
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Official answer(c) I and II are correct

Match List I with List II and select the correct answer by using the codes given below the lists: List I (Special Characteristic) I. Farthest planet from the Sun II. Largest planet of the solar system III. Planet second from the Sun in the solar system IV. Planet nearest to the Sun List II (Name of Planet) A) Mercury B) Venus C) Jupiter D) Pluto E) Saturn

  1. (a)I-B, II-C, III-E, IV-A
  2. (b)I-C, II-E, III-A, IV-B
  3. (c)I-D, II-A, III-B, IV-C
  4. (d)I-D, II-C, III-B, IV-A
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Official answer(d) I-D, II-C, III-B, IV-A

The tail of a comet is directed away from the sun because

  1. (a)as the comet rotates around the sun, the lighter mass of the comet is pushed away due to the centrifugal force alone
  2. (b)as the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail
  3. (c)the radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the sun
  4. (d)the tail of the comet always exists in the same orientation
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Official answer(c) the radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the sun

Consider the following statements: A person in a spaceship located half-way between the earth and the sun will notice that the I. Sky is jet black. II. Stars do not twinkle. III. Temperature outside the spaceship is much higher than that on the surface of the earth. Of these statements

  1. (a)Only III is correct
  2. (b)I and II are correct
  3. (c)I and III are correct
  4. (d)I, II and III are correct
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Official answer(b) I and II are correct

A meteor is

  1. (a)a rapidly moving star
  2. (b)a piece of matter which has entered the earth’s atmosphere from outer space
  3. (c)part of a constellation
  4. (d)a comet without a tail
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Official answer(b) a piece of matter which has entered the earth’s atmosphere from outer space