JEE Main Biomolecules Practice Questions With Solutions

Boost Your Prep with Free Practice Questions!

JEE Main Biomolecules Practice Questions with Solutions

The JEE Main Biomolecules Practice Test is an essential resource for all JEE Main aspirants to learn about the main concepts of different biomolecules and improve their knowledge of this chapter. The JEE Main Biomolecules practice questions with solutions have a variety of questions from the Biomolecules chapter for students to practice and strengthen their knowledge of reactions, functions, and basics of this topic.

About 2 to 3 questions may appear from Biomolecules on the JEE Main question paper. Usually, the question will be in the form of multiple choice questions as well as integer type questions, testing your conceptual knowledge of organic chemistry. JEE Main is a highly competitive entrance exam for all engineering aspirants. Therefore, it is essential for candidates to attempt these practice tests at least once a week to develop knowledge and precision of the topic.

Around 15 to 20 questions are available from this chapter in the JEE Main Biomolecules Practice Questions with Solutions, covering all the essential topics. The important topics of the Biomolecules chapter, from which questions may appear, are Proteins, Lipids, Carbohydrates, Amino Acids and Peptides, Nucleic Acids, Enzymes and Vitamins, and Special Concepts. The practice tests, containing questions on all these topics along with their detailed solutions, will allow aspirants to understand the basic concepts well by going through the detailed explanations provided.

Biomolecules are a scoring topic from the chemistry section in the exam. So, thoroughly practising the JEE Main Biomolecules Practice Questions with Solutions on a regular basis will help students to improve their accuracy and manage their time better during the examination. It will also allow them to understand their weak areas, work on them, and gain confidence in solving questions from this topic with ease in the JEE Main exam.

JEE Main Chemistry Biomolecules Practice Questions

Mathematics Physics

Question 1.

The incorrect statement about Glucose is :

Glucose remains in multiple isomeric form in its aqueous solution

Glucose is soluble in water because of having aldehyde functional group

Glucose is an aldohexose

Glucose is one of the monomer unit in sucrose

Question 2.

The $F^{-}$ ions make the enamel on teeth much harder by converting hydroxyapatite (the enamel on the surface of teeth) into much harder fluoroapatite having the formula.

[3 ({Ca}_{3} {({PO}_{4})}_{2}) \cdot {CaF}_{2}]

[3 ({Ca}_{3} {({PO}_{4})}_{2}) \cdot Ca (OH)_{2}]

[3 ({Ca}_{3} {({PO}_{4})}_{3}) \cdot {CaF}_{2}]

[3 ({Ca}_{2} {({PO}_{4})}_{2}) \cdot Ca (OH)_{2}]

Question 3.

JEE Main 2024 (Online) 8th April Morning Shift Chemistry - Biomolecules Question 5 English

The incorrect statement regarding the given structure is

can be oxidized to a dicarboxylic acid with

{Br}_{2}

water

despite the presence of

- CHO

does not give Schiff's test

will coexist in equilibrium with 2 other cyclic structure

has 4 asymmetric carbon atom

Question 4.

The incorrect statements regarding enzymes are :

(A) Enzymes are biocatalysts.

(B) Enzymes are non-specific and can catalyse different kinds of reactions.

(D) Enzyme - oxidase catalyses the hydrolysis of maltose into glucose.

Choose the correct answer from the option given below :

(B) and (D)

(A), (B) and (C)

(B) and (C)

(B), (C) and (D)

Question 5.

DNA molecule contains 4 bases whose structure are shown below. One of the structures is not correct, identify the incorrect base structure.

JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 1

JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 2

JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 3

JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Biomolecules Question 1 English Option 4

Question 6.

Coagulation of egg, on heating is because of :

Denaturation of protein occurs

Biological property of protein remains unchanged

Breaking of the peptide linkage in the primary structure of protein occurs

The secondary structure of protein remains unchanged

Question 7.

Which of the following gives a positive test with ninhydrin ?

Polyvinyl chloride

Cellulose

Egg albumin

Starch

Question 8.

Match List I with List II

	LIST I		LIST II
A.	$α$ - Glucose and $α$ - Galactose	I.	Functional isomers
B.	$α - Glucose and β - Glucose$	II.	Homologous
C.	$α - Glucose and α - Fructose$	III.	Anomers
D.	$α - Glucose and α - Ribose$	IV.	Epimers

Choose the correct answer from the options given below:

A-III, B-IV, C-II, D-I

A-IV, B-III, C-I, D-II

A-III, B-IV, C-I, D-II

A-IV, B-III, C-II, D-I

Question 9.

Which of the following is the correct structure of L-Glucose?

JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 8 English Option 1

JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 8 English Option 2

JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 8 English Option 3

JEE Main 2024 (Online) 4th April Morning Shift Chemistry - Biomolecules Question 8 English Option 4