MCQ Questions Class 11 Biology Biomolecules with Answers

CBSE Class 11 Chemistry Chapter 9 Biology Biomolecules Multiple Choice Questions with Answers. MCQ Questions Class 11 Biology Biomolecules with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Biology Biomolecules MCQs with Answers to know their preparation level.

Students who are searching for NCERT MCQ Questions for Class 11 Biology Biomolecules with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 11 Biology with Answers. You can also verify your answers from our provided MCQ Class 11 Biology Biomolecules with Answers. So, ace up your preparation with MCQ of Chapter 9 Biology Objective Questions.

MCQ Questions Class 11 Biology Biomolecules with Answers - Set - 3

Biology

MCQ Class - 11 Biology Biomolecules - Set-3

Biomolecules

1 / 10

Proteins perform many physiological functions. For example, some function as enzymes. Which one of the following represents an additional function which some proteins discharge?

A. Antibiotics

B. Pigments making colours of flowers

C. Hormones

D. Pigments conferring colour to skin

2 / 10

Metabolic intermediates found in living system which are essential for growth and life is called___________

A. Saponins

B. Tannins

C. Secondary metabolite

D. Primary metabolites

3 / 10

Select the option which is not correct with respect to enzyme action:

A. Substrate binds with enzyme at its active site

B. Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate.

C. A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate.

D. Malonate is a competitive inhibitor of succinic dehydrogenase.

4 / 10

DNA differs from RNA in having

A. Thymine but no uracil

B. Uracil but no thymine

C. Thymine but no cytosine

D. Cytosine but no guanine

5 / 10

Nitrogenous bases present in DNA

A. Adenine, guanine, cytosine, uracil

B. Adenine, guanine, cytosine, thymine

C. Adenine, thymine, uracil

D. Guanine, uracil

6 / 10

Double hydrogen bond occurs in DNA between

A. Adenine and guanine

B. Thymine and cytosine

C. Adenine and thymine

D. Uracil and thymine

7 / 10

The most common monomer of carbohydrates is

A. Sucrose

B. Fructose

C. Maltose

D. Glucose

8 / 10

Anti-parallel strands of a DNA molecule mean that

A. One strand turns anticlockwise

B. Phosphate groups at the start of two DNA strands (poles) are in opposite position

C. Phosphate groups of two DNA strands at their ends share the same position

D. One strand turns clockwise

9 / 10

The introduction of t-DNA into plants involves:

A. Altering the pH of the soil, then heat shocking the plants

B. Exposing the plants to cold for a brief period

C. Allowing the plant roots to stand in water

D. Infection of the plant by Agrobacterium tumefaciens

10 / 10

Enormous diversity of protein molecules is due to

A. R groups of amino acids

B. Sequence of amino acids

C. Peptide bonds

D. Amino groups of amino acids

Your score is

The average score is 50%

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MCQ Questions Class 11 Biology Biomolecules with Answers - Set - 3

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