Blog Log in Get Started Free

NEET Practice Questions (MCQs) with Answers & Solutions

Practice free NEET NEET multiple-choice questions online with instant answers and detailed explanations. No login required.

All Physics Chemistry Botany Zoology

● ● ● ● ●

Which of the following is an organic compound?

Prosthetic group

Coenzymes

Metal ions

Both A and B

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

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

● ● ● ● ●

Which of the following is an inorganic compound?

Prosthetic group

Coenzymes

Metal ions

Apoenzymes

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

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

● ● ● ● ●

The Cofactor present in the Enzyme Peroxidase is

NADP

NAD

Haem

You've reached today's free limit of 20 questions. Log in to keep practising for free.

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?

Prosthetic group

Coenzymes

Metal ions

Both A and B

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

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

● ● ● ● ●

The essential chemical components of many coenzymes are

Metal ions

Vitamins

Heme

NAD and NADP

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

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

● ● ● ● ●

Which of the following contain the vitamin niacin?

NAD

NADP

Heme

Both A and B

You've reached today's free limit of 20 questions. Log in to keep practising for free.

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:

(A)is false but (B)is true

Both (A) and (B)are true

(A) is true but (B) is false.

Both (A) and (B) are false.

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

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

● ● ● ● ●

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

Zinc

Copper

Magnesium

Iron

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

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

● ● ● ● ●

Lactose is composed of

glucose + fructose

glucose + glucose

glucose + galactose

fructose + galactose

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

(c) Lactose (C₁₂H₂₂O₁₁) is a disaccharide found in mammalian milk. It comprises galactose and glucose units which are linked together by b, 1-4 glycosidic bonds. It is a reducing sugar.

● ● ● ● ●

Which one of the following amino acids is an essential part of human diet ?

Glycine

Phenylalanine

Serine

Aspartic acid

You've reached today's free limit of 20 questions. Log in to keep practising for free.

Explanation

(b) For human beings, eight amino acids are essential. these are leucine, isoleucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine.

Ready to ace NEET?

Free access · No credit card required

Browse All Questions Create Free Account

Frequently Asked Questions

Yes. You can attempt every NEET question on this page for free without logging in, and check the correct answer with a detailed explanation instantly.

No account is required to attempt questions and view answers. A free account adds bookmarks, personal notes, and progress tracking.

The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.