NTPC CBT-2 Biology Quiz - 52

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Question 1:

Which one of the following is the first enzyme to mix with food in the digestive tract?

Question 2:

The earliest experiments on inheritance were developed by?

Question 3:

Biological Oxygen Demand (BOD) is a standard criterion for :

Question 4:

What is true about the isolated small tribal populations?

Question 5:

In eukaryotes, DNA is present in which of the following?