NTPC CBT-2 Biology Quiz - 51

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Question 1:

With whom round revolution related to-

Question 2:

What fraction of Human Blood is Plasma?

Question 3:

Which among the following always decreases in a Food chain across tropic levels?

Question 4:

The science of the functioning and growth of society?

Question 5:

Which of the following branches of Biology is concerned with the effects of radiation on living organisms?