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

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:

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true but (R) is not the correct explanation of (A)

E M B I B E

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 9th January 2020 Shift 2>Q 9

EASY

JEE Main

IMPORTANT

Earn 100

$A, B$ and $C$ are three biomolecules. The results of the tests performed on them are given below:

Molisch's test Barfoed Test Biuret Test

$A$ Positive Negative Negative

$B$ Positive Positive Negative

$C$ Negative Negative Positive

$A, B$ and $C$ are respectively:

	Molisch's test	Barfoed Test	Biuret Test
$A$	Positive	Negative	Negative
$B$	Positive	Positive	Negative
$C$	Negative	Negative	Positive

64.71% studentsanswered this correctly

Important Questions on Biomolecules

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 9th April 2019 Shift 1>Q 12

Which of the following statements is not true about sucrose?

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 9th April 2017>Q 13

The incorrect statement among the following is

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 9th April 2016>Q 14

Consider the following sequence for aspartic acid:

Question Image

The pH (Isoelectric point) of aspartic acid is:

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 8th January 2020 Shift 2>Q 15

Two monomers in maltose are:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 8th January 2020 Shift 1>Q 16

Which of the following statement is not true for glucose?

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 8th April 2019 Shift 2>Q 17

Fructose and glucose can be distinguished by:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 8th April 2019 Shift 1>Q 18

Maltose on treatment with dilute

H C l

gives:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 8th April 2018>Q 19

Glucose on prolonged heating with

HI

gives

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A,B and C are three biomolecules. The results of the tests performed on them are given below: Molisch's test Barfoed Test Biuret Test A Positive Negative Negative B Positive Positive Negative C Negative Negative Positive A,B and C are respectively:

Important Questions on Biomolecules

Learn and Prepare for any exam you want !

$A, B$ and $C$ are three biomolecules. The results of the tests performed on them are given below:

Molisch's test Barfoed Test Biuret Test

$A$ Positive Negative Negative

$B$ Positive Positive Negative

$C$ Negative Negative Positive

$A, B$ and $C$ are respectively: