4556: Who among the following, was the President of the All-India States Peoples Conference in 1939 ?

(a) Jaya Prakash Narayan

(b) Jawaharlal Nehru

(c) Sheikh Abdullah

(d) Sardar Vallabhbhai Patel
4557: The ideal climatic conditions for the cultivation of rice are

(a) rainfall above 100 cm, temperature above 25°C

(b) cool and moist climate for the entire crop period

(c) rainfall below 100 cm, temperature below 25°C

(d) warm and dry climate during the entire crop period
4558: Less dew is formed on cloudy nights because:

(a) Clouds absorb the falling dew

(b) Clouds scatter moisture

(c) In cloudy nights the radiation takes place very slowly

(d) In cloudy nights the radiation takes place very quickly
4559: Milk fever in cows occurs due to the lack of:

(a) Phosphates

(b) Calcium

(c) Iron

(d) iodine
4560: A, B, C, D, E and F, not necessarily in that order, are sitting on six chairs regularly placed around a round table. It is observed that A is between D and F, C is opposite D, D and E are not on neighbouring chairs. The person sitting opposite B is:

(a) A

(b) D

(c) E

(d) F