Zoology MCQs for NEET — Practice Questions with Answers

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Which of  the following are co-factors?

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 1

Which of the following is an organic compound?

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 1 to 4

Which of the following is an inorganic compound?

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 1 to 4

The Cofactor present in the Enzyme Peroxidase is

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 1 to 4

 

Which of the following organic compound association with the apoenzyme is only transient?

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 1 to 4

The essential chemical components of many coenzymes are

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 3

Which of the following contain the vitamin niacin?

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 3

Consider the following statements:

(A) Coenzymes or metal ion that is tightly bound to enzyme protein is called prosthetic group.

(B)A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme.

Select the correct option:

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 3

Which of the following cofactor is essential for the proteolytic enzyme carboxypeptidase?

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Explanation

Refer NCERT, Heading 9.12.6, page-159, para 4

Which part of body secretes the hormone secretin ?

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Explanation

(b) Secretin is a polypeptide hormone secreted by the mucosa of duodenum and jejunum.

It perform two functions:

(a) It stimulates sodium bicarbonate from the pancreas which neutralises the acid in the chyme so that it will not damage the wall of the small intestine.

(b) It increases the rate of bile secretion in the liver.

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