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Assertion Reason Test: Biomolecules - NEET MCQ


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10 Questions MCQ Test Additional Study Material for NEET - Assertion Reason Test: Biomolecules

Assertion Reason Test: Biomolecules for NEET 2024 is part of Additional Study Material for NEET preparation. The Assertion Reason Test: Biomolecules questions and answers have been prepared according to the NEET exam syllabus.The Assertion Reason Test: Biomolecules MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion Reason Test: Biomolecules below.
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Assertion Reason Test: Biomolecules - Question 1

A: A Cofactor of an enzyme may be a prosthetic group.

R: NAD derived from niacin is a co-enzyme.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 1
Organic compounds firmly attached to the protein part of enzyme is a prosthetic group.

Assertion Reason Test: Biomolecules - Question 2

A: Linolenic acid is an essential fatty acid.

R: Linolenic acid cannot be synthesised in human beings.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 2
PUFA (Polyunsaturated Fatty Acids) are essential fatty acids.

Assertion Reason Test: Biomolecules - Question 3

A: Hormones are not enzymes, but they can stimulate the release of enzymes.

R: Hormones are used up in metabolism, but enzymes can act over and over again.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 3
Enzymes are not used up in metabolism.

Assertion Reason Test: Biomolecules - Question 4

A: Tertiary structure of protein molecules makes them biologically active.

R: It is the native configuration of protein molecules maintained by multiple covalent bonds only.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 4
Because enzymes exist in tertiary structure in which the side group comes close and forms an active site.

Assertion Reason Test: Biomolecules - Question 5

A: Dextrins are intermediate polysaccharides formed during hydrolysis of starch into sugar.

R: Ascorbic acid is a sugar derivative.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 5
Ascorbic acid is sugar acid.

Assertion Reason Test: Biomolecules - Question 6

A: Non-competitive inhibitors do not affect Vmax.

R: In non-competitive inhibition, inhibitors and substrates bind at the same sites on the enzyme.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 6
Non-competitive inhibitors decrease Vmax.

Assertion Reason Test: Biomolecules - Question 7

A: The polypeptide coil of collagen helix is strengthened by establishing a hydrogen bond between > NH - group of glycine residue of each strand with –CO group of other two strands.

R: In collagen, helix locking effect also occurs with the help of proline and hydroxyproline amino acid.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 7
In collagen, there are generally three polypeptides coil around one another.

Assertion Reason Test: Biomolecules - Question 8

A: Allosteric enzymes do not show a typical Michaelis Menten constant or behaviour.

R: All enzymes work at the same pH.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 8
Allosteric enzymes don't obey Michaelis Menten constant.

Assertion Reason Test: Biomolecules - Question 9

A: α amylase of wheat endosperm has 16 isoenzymes.

R: In competitive inhibition, Vmax decreases.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 9
Isoenzymes are the isomeric form of the same enzyme.

Assertion Reason Test: Biomolecules - Question 10

A: Tertiary structure of a protein is necessary for many biological activities of proteins.

R: In protein, only right handed helices are observed.

Detailed Solution for Assertion Reason Test: Biomolecules - Question 10
Enzymes have tertiary structure of protein.
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