2586: Under the administration of which one of the following is the Department of Atomic Energy?
(a) Prime Minister's Office
(b) Cabinet Secretariat
(c) Ministry of Power
(d) Ministry of Science and Technology
2587: What is the approximate mean velocity with which the Earth moves round the Sun in its orbit ?
(a) 20 km/s
(b) 30 km/s
(c) 40 km/s
(d) 50 km/s
2588: Biodiversity forms the basis for human existence in the following ways:
1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops
Select the correct answer using the codes given below:
(a) 1, 2 and 3 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
2589: Corpus luteum is a mass of cells found in
(a) brain
(b) ovary
(c) pancreas
(d) spleen
2590: Which among the following pairs has been correctly matched?
(a) Nehru Trophy : Table Tennis
(b) Holkar Trophy : Bridge
(c) B. C. Roy Trophy : Lawn Tennis
(d) Ruia Trophy : Kabaddi