2366: In how many ways can four children be made to stand in a line such that two of them, A and B are always together ?
(A) 12
(B) 6
(C) 18
(D) 24
2367: Fat present below the skin surface in our body, acts as a barrier against
(a) loss of heat from the body
(b) loss of essential body fluids
(c) loss of salts from the body
(d) entry of harmful micro-organisms from the environment
2368: Cloudy nights are warmer compared to clear cloudless nights, because clouds
(a) prevent cold waves from the sky from descending on Earth
(b) reflect back heat given off by Earth
(c) produce heat and radiate it towards Earth
(d) absorb heat from the atmosphere and send it towards Earth
2369: Consider the following statements :
The most effective contribution made by Dadabhai Naoroji to the cause of Indian National Movement was that he
1. exposed the economic exploitation of India by the British
2. interpreted the ancient Indian texts and restored the self-confidence of Indians
3. stressed the need for eradication of all the social evils before anything else
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2370: For which one of the following, is Satara well-known?
(a) Nuclear power plant
(b) Wind energy plant
(c) Thermal Power plant
(d) Hydro-electric plant