THE UNIVERSE MCQS SET 03

THE UNIVERSE MCQS SET 03

1. Match the following:
A. Largest Planet 1. Mercury
B. Brightest Planet 2. Jupiter
C. Densest Planet 3. Earth
D. Smallest Planet 4. Venus
A B C D
(a) 2 3 4 1
(b) 2 4 3 1
(c) 3 4 1 2
(d) 3 4 2 1
Ans: (b)
 

2. The exact time taken by the earth for single rotation on its own axis is:
(a) 24 hrs
(b) 24 hrs 35 sec
(c) 23 hrs 50 minutes 7.2 sec
(d) 23 hrs 56 minutes 4.09 sec
Ans: (d)
 

3. Match the following:
Planet Gases in atmosphere
A. Venus 1. Hydrogen and helium
B. Mars 2. Hydrogen, helium, ammonia, methane
C. Saturn 3. Carbon dioxide, amonia and methane
D. Jupiter 4. Carbon dioxide and nitrogen
A B C D
(a) 4 3 1 2
(b) 2 3 4 1
(c) 4 2 3 1
(d) 2 1 4 3
Ans: (a)
 

4. Consider the following astral bodies:
1. Sirius
2. Venus
3. Mars
The correct sequence in decreasing order of their brightness is :
(a) 2, 3, 1
(b) 1, 2, 3
(c) 3, 2, 1
(d) 2, 1, 3
Ans: (d)
 

5. Lunar Sea refers to :
(a) a small sea on the moon
(b) a sea on earth which experiences high tides due to gravitational attraction of the moon
(c) a dark plain on the moon
(d) a light water body illuminated by the moon-light
Ans: (c)
 

6. 'Parsec' is the unit of measurement of:
(a) density of stars
(b) astronomical distance
(c) brightness of heavenly bodies
(d) orbital velocity of giant stars
Ans: (b)
 

7. The sunspots cause:
(a) aurora borealis and aurora australis
(b) magnetic storms on the surface of the sun
(c) polar auroras
(d) all of these
Ans: (d)
 

8. The light coming from stars gives the idea of their:
(a) size
(b) rotational speed
(c) mass
(d) temperature
Ans: (d)
 

9. The Milky way extends through a distance:
(a) 1 light year
(b) 8 light years
(c) 105 light years
(d) 1010 light years
Ans: (c)
 

10. The period of one revolution of sun around the centre of galaxy is called:
(a) Parsec
(b) Astronomical year
(c) Cosmic year
(d) Light year
Ans: (c)