Identify the incorrect statement regarding the structure of proteins:

1. They are heteropolymers containing strings of amino acids.

2. The first amino acid in the primary structure is the N-terminus amino acid

3. Only left helices are observed in proteins

4. Tertiary structure is absolutely essential for many biologic functions of the proteins

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


At each step of its ascent, the DNA strand turns:

1. 3.4°

2. 34°

4. 3.6°

4. 36°

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The substrate has to go through a much higher energy state or transition state in case of:

1. Exothermic reactions only

2. Endothermic reactions only

3. Both exothermic and endothermic reactions

4. Neither exothermic nor endothermic reactions

Concept Questions :-

Enzyme Catalysis
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Name the enzymes that catalyze removal of groups from substrates by mechanism other than hydrolysis leaving double bonds:

1. Transferases

2. Lyases

3. Isomerases

4. Ligases

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


When the co-factor is removed from the enzyme, the catalytic activity:

1. is lost.

2. is reduced.

3. is increased.

4. is unaffected.

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


What is the term used for a protein molecule that assists in the proper folding of other proteins?

1. ubiquitin

2. chaperonin

3. vimentins

4. cyclins

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Locomotion is a very important feature in animals. Considering the frequent need for locomotion in animals, an animal would obtain the greatest benefit from storing its energy as:

1. proteins

2. minerals

3. carbohydrates

4. fats

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Populations subsisting primarily on corn would likely to suffer from:

1. PEM

2. Pellagra

3. Bleeding disorders

4. Beri beri

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In the average composition of a cell, the maximum % of total cellular mass [after water and protein] is constituted by:

1. Carbohydrates

2. Lipid

3. Nucleic acids

4. Ions

Concept Questions :-

Element Analysis
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Where would you expect to find serine and alanine amino acids in a globular protein in aqueous solution?

(a) Serine would be in the interior, and alanine would be on the exterior of the globular protein.

(b) Alanine would be in the interior, and serine would be on the exterior of the globular protein.

(c) Both serine and alanine would be in the interior of the globular protein.

(d) Both serine and alanine would be on the exterior of the globular protein.  

Concept Questions :-

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: