MCQ ON BIOMOLECULES class 11 for NEET

MCQ ON BIOMOLECULES class 11 for NEET | BIOMOLECULES class 11 MCQ | BIOMOLECULES with Answer | Check the below NCERT MCQ question for class 11 Biology chapter 9 based on the BIOMOLECULES with Answers.

MCQ on BIOMOLECULES class 11 Biology with answers were prepared based on the latest pattern.We have provided class 11 Biology MCQs questions on BIOMOLECULES with Answers to help students understand the concept very well.

MCQ ON BIOMOLECULES class 11 for NEET

MCQ CELL : THE UNIT OF LIFE is useful for NEET / CSIR / UGC / CBSE / ICSE / AIIMS / EXAM / AFMC EXAM / STATE LEVEL MEDICAL EXAM 2022-23

Introduction:-
There is a wide diversity in living organisms in our biosphere.All living organisms made of the same chemicals .All the elements present in a sample of earth crust are also present in a sample of living tissue.Carbohydrate , protein , fats , nucleic acid etc are biomolecules.

MCQ ON BIOMOLECULES class 11 for NEET

1. Proteins are polypeptide.They are linear chains of amino acid linked by

(a) glycosidic bond
(b) peptide bond
(c) phosphoric bond
(d) all the above

Ans (d) all the above

2.Each protein is a polymer of

(a) amino acid
(b) glucose
(c) lipids
(d) All the above

Ans. (a) amino acid

3. A protein is

(a) homopolymer
(b) heteropolymer
(c) both a and b
(d) none

Ans. (b) heteropolymer

4. The most abundant protein in animal world

(a) Collagen
(b) glycine
(c) arginine
(d) all the above

Ans.(a) Collagen

5.The most abundant protein in the whole of the biosphere is

(a) collagen
(b) RuBisCO
(c) glycine
(d) all the above

Ans.(b) RuBisCO

6. Inulin is a polymer of

(a) glycose
(b) fructose
(c) sucrose
(d) all the above

Ans.(b) fructose

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7. The plant cell walls are made of

(a) glucose
(b) proteins
(c) lipids
(d) cellulose

Ans.(d) cellulose

8. The paper made from plant pulp and cotton fibre is

(a) glucose
(b) lipid
(c) protein
(d) cellulosic

Ans.(d) cellulosic

9. Exoskeleton of arthropods made of

(a) glucose
(b) protein
(c) cellulose
(d) chitin

Ans. (d) chitin

10. For nucleic acid , the building block is a

(a) glucose
(b) nucleotide
(c) amino acid
(d) all the above

Ans. (b) nucleotide

11. The structure is absolutely necessary for the many biological activities of proteins

(a) primary structure
(b) secondary structure
(c) tertiary structure
(d) all the above

Ans.(c) tertiary structure

12. Adult human haemoglobin consists of

(a) 3 subunits
(b) 4 subunits
(c) 5 subunits
(d) none of the above

Ans.(b) 4 subunits

13. In a polysaccharide the individual monosaccharides are linked by a

(a) peptide bond
(b) lipid bond
(c) glycosidic bond
(d) all the above

Ans. (c) glycosidic bond

14. The bond between the phosphate and hydroxyl group of sugar is an

(a) glycosidic bond
(b) peptide bond
(c) ester bond
(d) none of above

Ans.(c) ester bond

15. There are ……. hydrogen bonds between A and T

(a) 2
(b) 3
(c) 4
(d) all the above

Ans. (a) 2

16. There are………. hydrogen bonds between G and C

(a) 2
(b) 3
(c) 4
(d) all the above

Ans.(b) 3

17. One full turn of the helical strand would involve base pairs in DNA

(a) 10
(b) 9
(c) 8
(d) 11

Ans.(a) 10

18. The pitch of DNA is

(a) 33 Angstrom
(b) 34 Angstrom
(c) 32 Angstrom
(d) all the above

And.(b) 34 Angstrom

19. The rise per base pair in DNA is

(a) 34 Angstrom
(b) 3.4 Angstrom
(c) 0.34 Angstrom
(d) All the above

Ans. (b) 3.4 Angstrom

20. The protein with catalytic power are

(a) enzymes
(b) mitochondria
(c) basal body
(d) all the above

Ans.(a) enzymes