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
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