THE UNIVERSE MCQS SET 07

THE UNIVERSE MCQS SET 07

 

1. Which of the following statements is/are correct?
1. In comparison to the Jupiter, planet Earth displays eclipses more frequently
2. On Mars, only partial solar eclipses are possible
Select the correct answer using the code given below: 

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Ans: (d)
 

2. Which of the following statements relating to the planet Venus is/are correct?
1. It is the nearest planet from the Sun.
2. It is only slightly smaller than the Earth.
3. It has no atmosphere.
Select the correct answer using the code given below: [Asstt Commdt 2011]
(a) 1, 2 and 3
(b) 1 and 3 only
(c) 2 only
(d) 1 and 2 only
Ans: (c)
 

3. What is the difference between asteroids and comets?
1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held
together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are
found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.
Which of the statements given above is/are correct? [CSAT 2011]
(a) 1 and 2 only
(b) 1 and 3 only
(c) 3 only
(d) 1, 2 and 3
Ans: (b)
 

4. A blackhole is a : 

(a) contracted star with intense gravitational pull
(b) star with very low surface temperature
(c) star with no atmosphere
(d) pulsating star
Ans: (a)
 

5. Which one of the following is correct? Great Bear is a : [CDS 2008]
(a) galaxy
(b) planet
(c) star
(d) constellation
Ans: (d)
 

6. Asteroids have their orbits between the planets:
(a) Mercury and Venus
(b) Earth and Mars
(c) Mars and Jupiter
(d) Jupiter and Saturn
Ans: (c)
 

7. Halley's comet appears once in a period of:
(a) 24 years
(b) 32 years
(c) 76 years
(d) 84 years
Ans: (c)
 

8. The orbits of planets around the Sun, or of satellites around the Earth, can be : 

(a) circular and elliptic
(b) circular and hyperbolic
(c) elliptic and parabolic
(d) parabolic and hyperbolic
Ans: (a)
 

9. To a space traveller on moon, the lunar sky during day time appears:
(a) white
(b) blue
(c) black
(d) red
Ans: (c)
 

10. The distance between the Earth and the Sun (in million kms.) is :
(a) 111
(b) 149
(c) 168
(d) 193
Ans: (b)
 

11. Stars which appear single to the naked eye but are double stars when observed by a
telescope, are known as :
(a) cosmic stars
(b) quasars
(c) binaries
(d) novae and supernovae
Ans: (c)
 

12. What are Sun spots? [Railways 1994]
(a) Regions on earth without winter climate
(b) Desert areas on the sun
(c) Dark patches on the surface of the sun which are cooler areas
(d) Dark patches on the surface of the Sun resulting from a localised fall in the temperature to about 4000 K
Ans: (d)
 

13. The brightest star in the sky is: 

(a) Alfa Centauri
(b) Proxima Centauri
(c) Sirius
(d) Sun
Ans: (d)
 

14. Pole Star is always seen at one point in the sky whereas other stars are not; this is because: 

(a) Pole star rotates with the same period as the earth
(b) Pole star is a star of our own galaxy
(c) Sun and Pole star are in two opposite directions relative to earth
(d) Pole star lies in the axis of spin of the earth
Ans: (d)
 

15. The outermost layer of Sun is called:
(a) convection zone
(b) photosphere
(c) chromosphere
(d) corona
Ans: (d)