Match List I and List II List I List II Test Functional group / Class of Compound (A) Molisch's Test (I)Peptide (B) Biuret Test (II)Carbohydrate (C) Carbylamine Test (III) Primary amine (D) Schiff's Test (IV) Aldehyde Choose the correct answer from the options given below:

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

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

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

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

Match List I and List II List I List II Test Functional group / Class of Compound (A) Molisch's Test (I)Peptide (B) Biuret Test (II)Carbohydrate (C) Carbylamine Test (III) Primary amine (D) Schiff's Test (IV) Aldehyde Choose the correct answer from the options given below:

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

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

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

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

Match items of Row I with those of Row II. Row I: (P) (Q) (R) (S) Row II: (i) α ‐ D ‐ ( — ) Fructofuranose. (ii) β ‐ D ‐ ( — ) Fructofuranose. (iii) α ‐ D ‐ ( ‐ ) Glucopyranose. (iv) β ‐ D ‐ ( ‐ ) Glucopyranose. Correct match is

P → iii, Q → iv, R → i, S → ii

P → iv, Q → iii, R → i, S → ii

P → i, Q → ii, R → iii, S → iv

P → iii, Q → iv, R → ii, S → i

E M B I B E

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 30 January 2023 Shift 1>Q 101

MEDIUM

JEE Main

IMPORTANT

Earn 100

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Ketoses give Seliwanoff’s test faster than Aldoses.

Reason (R): Ketoses undergo $β$ -elimination followed by formation of furfural.

In the light of the above statements, choose the correct answer from the options given below:

50% studentsanswered this correctly

Important Questions on Biomolecules

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 30 January 2023 Shift 2>Q 102

A short peptide on complete hydrolysis produces

3

moles of glycine

(G)

, two moles of leucine

(L)

and two moles of valine

(V)

per mole of peptide. The number of peptide linkages in it are _____ .

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 31 January 2023 Shift 1>Q 103

A protein ‘

X

’ with molecular weight of

70, 000 u

, on hydrolysis gives amino acids. One of these amino acid is

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 31 January 2023 Shift 2>Q 104

Compound

A, C_{5} H_{10} O_{5}

, given a tetraacetate with

{AC}_{2} O

and oxidation of

A

with

{Br}_{2} - H_{2} O

gives an acid,

C_{5} H_{10} O_{6}

. Reduction of

A

with

HI

gives isopentane. The possible structure of

A

is :

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 1 February 2023 Shift 1>Q 105

The correct representation in six membered pyranose form for the following sugar [ $X$ ] is

Question Image

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 1 February 2023 Shift 1>Q 106

Match List I and List II

List I	List II
Test	Functional group / Class of Compound
(A) Molisch's Test	(I)Peptide
(B) Biuret Test	(II)Carbohydrate
(C) Carbylamine Test	(III) Primary amine
(D) Schiff's Test	(IV) Aldehyde

Choose the correct answer from the options given below:

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