EARTH MCQS SET 09

EARTH MCQS SET 09

1. Match the following:
Date Conditions in Northern Hemisphere
A. March 21st 1. Winter Solstice
B. June 21st 2. Autumnal Equinox
C. September 21st 3. Summer Solstice
D. December 22nd 4. Vernal Equinox
A B C D
(a) 1 2 3 4
(b) 1 3 4 2
(c) 2 3 1 4
(d) 4 3 2 1
Ans: (d)
 
2. The word used to describe the shape of earth is:
(a) flat
(b) circle
(c) sphere
(d) oblate spheroid
Ans: (d)
 
3. The mean radius of the earth is approximately:
(a) 3200 km
(b) 6400 km
(c) 9600 km
(d) 12800 km
Ans: (b)
 
4. What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior:
1. Mantle
2. Crust
3. Core
Select the correct answer by using the codes given below:
(a) 1, 2, 3
(b) 1, 3, 2
(c) 2, 1, 3
(d) 3, 1, 2
Ans: (c)
 
5. Summer Solstice in the Southern Hemisphere occurs on :
(a) December 22
(b) September 23
(c) June 21
(d) March 21
Ans: (a)
 
6. One degree of the circumference of the earth measures(approx.) :
(a) 100km
(b) 111km
(c) 151km
(d) 175km
Ans: (b)
 
7. Spring tides occur when:
(a) the moon is nearest to the earth
(b) the moon is farthest from the earth
(c) the moon, the sun and the earth are at right angles with the earth at the apex
(d) the moon, the sun and the earth are in the same line
Ans: (d)
 
8. Variation in duration of day and night is due to:
1. rotation of earth on its axis
2. revolution of earth around the sun
3. inclination of earth at an angle of
(a) 1and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3
Ans: (b)
 
9. Days and nights are caused by :
1. rotation of the earth on its axis
2. revolution of the earth around the sun
3. inclination of the earth's axis
(a) only 1 is correct
(b) 1 and 2 are correct
(c) 2 and 3 are correct
(d) all are correct
Ans: (a)
 
10. The speed of rotation of the earth is the highest:
(a) along the Equator
(b) at the North Pole
(c) along the Tropic of Cancer
(d) along the Arctic Circle
Ans: (a)