3281: In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration?
1. Abandoned and uneconomic coal seams
2. Depleted oil and gas reservoirs
3. Subterranean deep saline formations
Select the correct answer using the code given below:
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
3282: Rabies is caused by a
(a) Virus and it affects the nervous system
(b) Virus and it affects the cardiovascular system
(c) Bacteria and it affects the nervous system
(d) Bacteria and it affects the cardiovascular system
3283: Assertion (A):
During the reign of Shahjahan, Dara Sikoh was sent on expedition to Balkha, Badakh-shan and Qandahar.
Reason (R):
The expedition sent by Shahjahan to the Middle-East was a marvellous success.
(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
3284: A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
(a) Hawk
(b) Food crop
(c) Snake
(d) Rat
3285: 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