591: The main function of the National Development Council is:
(a) To promote national integration
(b) To develop villages
(c) To review the working of the National Plan from time to time
(d) None of the above
592: 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
593: Water which contains soluble salts of calcium and magnesium is known as
(a) Heavy water
(b) Soft water
(c) Hard water
(d) Mineral water
594: Who was the person behind conversion of East India Company from a trading company into a regional power?
(a) Lord Warren Hastings
(b) Lord Clive
(c) Lord Dalhousie
(d) Lord Wellesley
595: Arrange the following Buddhist councils in a chronological order:
(1) Vaishali
(2) Rajagraha
(3) Patliputra
(4) Sreenagar
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(a) 1, 4, 3, 2
(b) 3, 2, 1, 4
(c) 4, 1, 2, 3
(d) 2, 1, 3, 4