3626: Consider the following statements:

1. Animal Welfare Board of India is established under the Environment (Protection) Act, 1986.
2. National Tiger Conservation Authority is a statutory body.
3. National Ganga River Basin Authority is chaired by the Prime Minister.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 2 only
(d) 1, 2 and 3
3627: In which organ of the human body are the lymphocyte cells formed?

(a) Liver

(b) Long bone

(c) Pancreas

(d) Spleen
3628: There are two identical red, two identical black and two identical white balls. In how many different ways can the balls be placed in the cells (each cell to contain one ball) shown below such that balls of the same colour do not occupy any two consecutive cells?

(a) 15
(b) 18
(c) 24
(d) 30
3629: Which one of the following statements regarding SAARC countries is correct?

(a) No SAARC country other than India has a common border with another member country, Sri Lanka and Maldives being islands

(b) All the countries with which India has border are members of SAARC, Sri Lanka and Maldives being islands

(c) Except Sri Lanka and Maldives, all the SAARC countries have common border with China

(d) Except Sri Lanka and Maldives no other SAARC country has islands as part of its territory
3630: Optical fibre works on the principle of

(a) total internal reflection

(b) refraction

(c) scattering

(d) interference