4066: Which one of the following mountain ranges is spread over only one State in India ?
(a) Aravalli
(b) Satpura
(c) Ajanta
(d) Sahyadri
4067: To know whether the rich are getting richer and the poor getting poorer, it is necessary to compare
(a) the wholesale price index over different periods of time for different regions
(b) the distribution of income of an identical set of income recipients in different periods of time
(c) the distribution of income of different sets of income recipients at a point of time
(d) the availability of foodgrains among two sets of people, one rich and the other poor, over different periods of time
4068: Unit of distance used in navigation is:
(a) Nautical mile
(b) Kilometre
(c) Light year
(d) Yard
4069: In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason?
(a) Sea surface temperatures are low
(b) Inter-Tropical Convergence Zone seldom occurs
(c) Coriolis force is too weak
(d) Absence of land in those regions
4070: The growth of seedling plants after transplantation will not always be proper because:
(a) New soil may not contain the required minerals
(b) During transplantation root hairs get damaged
(c) Roots cannot penetrate deep into the soil
(d) Of all factors stated above