651: In which one among the following is the speed of sound maximum ?
(a) Air at 100 degree celcius
(b) Air at 0 degree celcius
(c) Wood
(d) Water
652: The 93rd Constitutional Amendment Bill deals with the
(a) continuation of reservation for backward classes in government employment
(b) free and compulsory education for all children between the age of 6 and 14 years
(c) reservation of 30 per cent posts for women in government recruitments
(d) allocation of more number of parliamentary seats for recently created States
653: Groups each containing 3 boys are to be formed out of 5 boys-A,B,C,D and E such that no one group contains both C and D together. What is the maximum number of such different groups ?
(A) 8
(B) 7
(C) 5
(D) 6
654: Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?
(a) Bhitarkanika National Park
(b) Keibul Lamjao National Park
(c) Keoladeo Ghana National Park
(d) Sultanpur National Park
655: The National Green Tribunal Act, 2010 was enacted in consonance with which of the following provisions of the Constitution of India?
1. Right to healthy environment, construed as a part of Right to life under Article 21
2. Provision of grants for raising the level of administration in the Scheduled Areas for the welfare of Scheduled Tribes under section 275 (1)
3. Powers and functions of Gram Sabha as mentioned under Article 243 (A)
Select the correct answer using the codes given below:
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3 only