2566: Which of the following statements is/are correct?
1. Viruses lack enzymes necessary for the generation of energy.
2. Viruses can be cultured in any synthetic medium.
3. Viruses are transmitted from one organism to another by biological vectors only.
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
2567: At which one of the following Place did Mahatma Gandhi first start his Satyagraha in India?
(a) Ahmedabad
(b) Bardoli
(c) kheda
(d) Champaran
2568: Antigen is a substance which
(a) lowers body temperature
(b) destroys harmful bacteria
(c) triggers the immune system
(d) is used as an antidote to poison
2569: Fog is common around Newfoundland coast because:
(a) Icebergs melt around the coast
(b) Warm and cold currents meet
(c) The rainfall is heavy
(d) High tides cause storms
2570: 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