FREE NEET Biology Practice MCQ Test: Biomolecules Exercise 4 Questions Answers With Detailed Explanations [PDF]

Which element is normally absent in proteins?

Most enzymes consist of two parts; these are

Which one of the following statements is wrong?

Select the correct statement from the following:

1. Biomolecules are in metabolic flux in living state.
2. Living process is a constant effort to prevent falling into equilibrium.
3. Metabolism provides a mechanism for the production of energy.
4. Living state and metabolism is synonymous.

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

Assertion:
The first amino acid in primary structure protein is called as N-terminal amino acid.
Reason:
NH2 group of first amino acid is free, not bound to form peptide bond.

The number of 'ends' in a glycogen molecule would be

Antiparallel strands of a DNA molecule means that

Assertion:
The distance between adjacent base pair in B- DNA is 3.4 A°.
Reason:
One full turn of helical strand of B-DNA contain 10 bp and the length of this pitch is 34 A°.

Modern detergents contain enzyme preparations of

Which of the following is/are essential fatty acid(s)?

Assertion:
In human body 'collagen' is the most abundant protein.
Reason:
Scleroproteins occurs in hard parts of animals body for providing support and protection.

Which of the following biomolecules does have a phosphodiester bond?

Ribozyme is a/an

Which of the following nucleotide sequences contains 4 pyrimidine bases?

Which is distributed more widely in a cell?

ATP is

The basic unit of nucleic acid is

is a structure of α–amino acid. Based on different ® groups the following amino acids are formed. Select the correct amino acid according to different ® group.

Protein is