EARTH MCQS SET 11

EARTH MCQS SET 11

1. Geostationary orbit is at a height of:
(a) 6 km
(b) 1000 km
(c) 3600 km
(d) 36,000 km
Ans: (d)
 
2. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about:
(a) 22 km
(b) 36 km
(c) 41 km
(d) 53 km
Ans: (a)
 
3. The earth is at the least distance from the sun (Perihelion) on :
(a) December 22nd
(b) January 3rd
(c) July 4th
(d) June 21st
Ans: (b)
 
4. The earth is at the largest distance from the sun (Apehelion) on :
(a) June 21st
(b) January 3rd
(c) July 4th
(d) September 23rd
Ans: (c)
 
5. The Earth rotates-around an axis pointing towards:
(a) the moon
(b) the pole star
(c) the sun
(d) Venus
Ans: (b)
 
6. Which part of the earth's surface receives the highest amount of insolation?
(a) Tropical deserts
(b) Equatorial region
(c) Savanna region
(d) No such criteria
Ans: (a)
 
7. Which one of the following cities does not have the same clock time as that of the other three cities at any given instant?
(a) London (UK)
(b) Lisbon (Portugal)
(c) Accra (Ghana)
(d) Addis Ababa (Ethiopia)
Ans: (d)
 
8. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?
(a) Central core
(b) Crust
(c) Mantle
(d) Both (b) and (c)
Ans: (a)
 
9. Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m., on the first day. On the fourth day, at what time
will it rise?
(a) 8.24 p.m
(b) 9. 12 p.m
(c) 10.00 p.m
(d) 11.48 p.m.
Ans: (c)

10. Which one of the following is present in the largest amount in terms of percent by mass
in the earth's crust?
(a) Silicon
(b) Oxygen
(c) Carbon
(d) Calcium
Ans: (b)