Earth MCQs

Question 1

In the context of 'time' GMT means

Accepted Answer

Greenwich Mean Time

Answer

General Meridian Time

Answer

Global Mean Time

Answer

None of these

Question 2

One degree of longitude on the equator is equal to a distance of ________

Accepted Answer

69 miles

Answer

34.5 miles

Answer

50 miles

Answer

60 miles

Question 3

How much is the difference of time between any two consecutive longitudes?

Accepted Answer

4 minutes

Answer

10 minutes

Answer

14 minutes

Answer

30 minutes

Question 4

Albedo is defined as ________

Accepted Answer

The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface

Answer

UV radiations sent out by the SUN

Answer

A substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations

Answer

Celestial bodies in earth's atmosphere which add to the greenhouse effect

Question 5

When the clock strikes 12:00 noon at Greenwich, it strikes 5:30 p.m. at place X on the same day. What is the meridian of longitude of place X ?

Accepted Answer

82°30' E

Answer

97°30' E

Answer

97°30' W

Answer

82°30' W

Question 6

The approximate diameter of the earth is ________

Accepted Answer

12,800 Km

Answer

4,200 Km

Answer

6,400 Km

Answer

15,600 Km

Question 7

The speed of rotation of the earth is ________

Accepted Answer

29.72 km/sec.

Answer

25 km/sec.

Answer

31 km/sec.

Answer

39.5 km/sec.

Question 8

The area of the Earth's total surface is of the order of ________.

Accepted Answer

510 million square kilometres

Answer

450 million square kilometres

Answer

400 million square kilometres

Answer

350 million square kilometres

Question 9

The distance of the equator from either of the poles is ________

Accepted Answer

10,002 km

Answer

500 km

Answer

5001 km

Answer

36,005 km