3036: Assertion (A): The percentage of net sown area in the total area of Andhra Pradesh is less as compared to that of West Bengal.
Reason (R) : The soil of most of Andhra Pradesh is laterite
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
3037: How the body temperature is maintained?
(a) Due to temperature regulating mechanism located in the base of the brain
(b) Due to excessive intake of water
(c) Due to regular intake of foods
(d) Due to the constant flow of blood in the capillaries
3038: When iron rusts, the weight:
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases then decreases
3039: The sex of the offspring is determined, when:
(a) The conception takes place
(b) The sperm fertilises the ovum
(c) The embryo is partially developed
(d) The end of gestation period is near
3040: At which one of the following places do two important rivers of India originate, while one of them flows towards north and merges with another important river flowing towards Bay of Bengal, the other one flows towards Arabian Sea?
(a) Mahabaleshwar
(b) Badrinath
(c) Amarkantak
(d) Nasik