FREE NEET Biology Practice MCQ Test: Biomolecules Exercise 3 Questions Answers With Detailed Explanations [PDF]

Protein which most abundant in human body is

Which of the following statement is incorrect ?

Essential amino acid is

Proteins are conducted in the body in the form of

The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following options is correct?

Sugar + Nitrogen bases + Phosphate forms

Transition state structure of the substrate formed during an enzymatic reaction is :

A fat has

The biomolecule whose weight is less than____ dalton (Da) is referred to as biomicro-molecule.

Which of the following statement(s) is/are incorrect?

1. Nearly 1/3rd of all enzymes requires the presence of metal ions for catalytic function.
2. Metal ions form coordinate bond with side chain at active site of metalloenzyme and at the same time form one or more coordinate bonds with the substrate.
3. NAD and NAD (coenzymes) contain niacin (vit.B3 )
4. Coenzymes are organic compounds but their association with the apoenzyme is only transient, usually occurring during catalysis.

Glycogen is a polymer of

When Apoenzyme is separated from its metal component, its activity is

Match Column - I with Column – II.

Enzyme first used for nitrogen fixation

In glycogen, which kind of linkage is found between adjacent glucose molecule?

Assertion:
The coenzymes or metal ions that is very tightly bound to enzyme protein is called prosthetic group.
Reason:
A complete, catalytically active enzyme together with its bound prosthetic group is called apoenzyme.

Fill in the blanks in (1) and (2) in the above flowchart.

How much percentage of total cellular mass is formed by nucleic acid?

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?

Three of the following statements about enzymes are correct and one is wrong. Which one is wrong?