Match the following : i Riboflavin a Beriberi i i Thiamine b Scurvy i i i Pyridoxine c Cheilosis i v Ascorbic acid d Convulsions

i - c , i i - a , i i i - d , i v - b

i - a , i i - d , i i i - c , i v - b

i - c , i i - d , i i i - a , i v - b

i - d , i i - b , i i i - a , i v - c

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 - 8th April 2019 Shift 2>Q 17

EASY

JEE Main

IMPORTANT

Earn 100

Fructose and glucose can be distinguished by:

25.4% studentsanswered this correctly

Important Questions on Biomolecules

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

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 8th April 2018>Q 20

The predominant form of histamine present in human blood is

({pK}_{a}, Histidine = 60)

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 8th April 2017>Q 21

Among the following, the essential amino acid is:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 7th January 2020 Shift 2>Q 22

Which of the following statements is correct?

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 7th January 2020 Shift 1>Q 23

Match the following :

$(i)$	Riboflavin	$(a)$	Beriberi
$(i i)$	Thiamine	$(b)$	Scurvy
$(i i i)$	Pyridoxine	$(c)$	Cheilosis
$(i v)$	Ascorbic acid	$(d)$	Convulsions

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 7th April 2013>Q 24

Synthesis of each molecule of glucose in photosynthesis involves

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 28 - Biomolecules>JEE Main - 6th April 2014>Q 25

Which one of the following bases is not present in DNA ?

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