71: Mach Number is a term associated with the speed of:
(a) Ships
(b) Cars
(c) Aeroplanes
(d) Light
72: Consider a specific point on the surface of the earth (say, the city of Delhi). The temperature at a given time of day (say, 12.00 noon) will in general be higher in summer than in winter. This is because
(a) the earth is closer to the sun in summer than in winter.
(b) sun-rays falling on the earth are inclined more towards the surface of the earth in winter.
(c) evaporation of water from atmospheric precipitation occurring in winter alone.
(d) the axis of the earth is inclined more towards the sun in summer.
73: A geographic region has the following distinct characteristics:
1. Warm and dry climate
2. Mild and wet winter
3. Evergreen oak trees
The above features are the distinct characteristics of which one of the following regions ?
(a) Eastern China
(b) Mediterranean
(c) Central Asia
(d) Atlantic coast of North America
74: Which of the following is not included in the assets of a commercial bank in India?
(a) Advances
(b) Deposits
(c) Investments
(d) Money at call and short notice
75: Who wrote the book "the story of the Integration of the Indian States"?
(a) C.Rajagopalachari
(b) Krishna Menon
(c) V. P. Menon
(d) B. N. Rao