Page No-8
The incoming short-wave solar radiation is balanced by an equal amount of long wave
radiation from Earth going back to space. This is known as:
(a) Heat balance of earth
(b) Wave balance of Earth
(c) Earth radiation
(d) None of these
Approximately the sunlit side of the earth is having a surface temperature of:
(a) 30℃
(b) 25℃
(c) 17℃
(d) 10℃
Name the part of the earth’s surface which receives the highest amount of insolation?
(a)Tropical desert
(b) Equatorial region
(c) Land masses
(d) Water bodies
The sun shines vertically on the Equator:
(a) Twice a year
(b) Once a year
(c) 6 months
(d)Throughout the year
The factor on which the amount of insolation received at a place on the surface of earth depends on is:
(a) Its longitude
(b) Its climate
(c) Its latitude
(d) Its meridian
Of the total volume of the earth, which layer forms the major part?
(a) Sial
(b) Sima
(c) Mantle
(d) Core
The distance of the equator from either of the poles is:
(a) 500 km
(b) 5001 km
(c) 10002 km
(d) 2800 km
The speed of rotation of earth is:
(a) 25 km/sec
(b) 30 km/sec
(c) 9.72 km/sec
(d) 29.8 km/sec
Which of the following phenomenon gives an evidence for spherical shape of the earth?
(a) Solar eclipse
(b) Lunar eclipse
(c) Revolution
(d) Rotation of earth
The orbit along which the earth revolves is:
(a) Circular
(b) Elliptical
(c) Irregular
(d) None of these