586: The two branches of a plant give two different fruits :- tomatoes and brinjals. This can be explained:
(a) By nature's freak
(b) By grafting one with the other
(c) By hybridisation
(d) Both A and B
587: 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
588: Consider the following:
1. Photosynthesis
2. Respiration
3. Decay of organic matter
4. Volcanic action
Which of the above add carbon dioxide to the carbon cycle on Earth
(a) 1 and 4 only
(b) 2 and 3 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4
589: Assertion (A):
In India, the political parties which formed the governments represented the majority of seats secured in the elections to the House of the People at the Centre and the Legislative Assemblies in the States but not the majority of votes.
Reason (R):
The elections based on the majority -vote system decide the result on the basis of relative majority of votes secured.
In the context of the above statements, which one of the following is correct?
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
590: That the per capita income in India was Rs. 20 in 1867-68, was ascertained for the first time by
(a) M. G. Ranade
(b) Sir W. Hunter
(c) R. C. Dutta
(d) Dadabhai Naoroji