Free Biomolecules (Daily Quiz: 11) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Essential amino acids are those which are

(a) Not required by our body

(b) Not synthesized by our body

(c) Synthesized by our body

(d) Only used to form proteins

Question-2

How many Nitrogen atoms are present in adenine?

(a) 4

(b) 3

(c) 5

(d) 6

Question-3

The chemical and physical property of amino acid is based on

(a) –COOH group

(b) –$NH_2$ group

(c) –R group

(d) All of these

Question-4

Which is not consistent with the double-helical structure of DNA?

(a) Density of DNA decreases on heating.

(b) A = T, C = G

(c) A + T/C + G is not constant.

(d) Both (a) and (b)

Question-5

Which of the following is the least likely to be involved in stabilising the three-dimensional folding of most proteins?

(a) Electrostatic interaction

(b) Hydrogen bonds

(c) Hydrophobic interaction

(d) Ester bonds