Carbohydrates

IMPORTANT

Carbohydrates: Overview

This Topic covers sub-topics such as Carbohydrates, Cellulose, Glycogen, Sucrose, Monosaccharides, Structure of Sucrose, Maltose, Oligosaccharides, Glycosidic Linkage, Disaccharides, Non-reducing Sugar, Structure of Cellulose and, Structure of Maltose

Important Questions on Carbohydrates

EASY
IMPORTANT

The products obtained on hydrolysis of sucrose are:

EASY
IMPORTANT

The simplest carbohydrates which cannot be hydrolysed to smaller molecules are known as

EASY
IMPORTANT

Which of the following carbohydrate is a reducing sugar?

EASY
IMPORTANT

Which of the following reactions and facts of D-glucose cannot be explained by its open chain structure?

(i) Despite having the aldehyde group, glucose does not give Schiff test and 2, 4-DNP test.

(ii) Glucose does not react with sodium hydrogen sulphite to form addition product.

(iii) The pentaacetate of glucose does not react with hydroxyl amine showing the absence of free-CHO group.

EASY
IMPORTANT

The Glycosidic linkages and Peptide linkages are present in:

EASY
IMPORTANT

Complete hydrolysis of cellulose gives:

MEDIUM
IMPORTANT

The number of hydroxyl groups in glucose is?

MEDIUM
IMPORTANT

Number of chiral centres in maltose are?

MEDIUM
IMPORTANT

The most common monomer of carbohydrates is

MEDIUM
IMPORTANT

Number of compounds from the following which will not produce orange red precipitate with Benedict solution is........
Glucose, maltose, sucrose, ribose,2-deoxyribose, amylose, lactose

MEDIUM
IMPORTANT

Which of the following statements is correct ?

EASY
IMPORTANT

The amount of sucrose needed to produce 1 mole of glucose using acid hydrolysis is

EASY
IMPORTANT

Which one of the following is a polysaccharide?

MEDIUM
IMPORTANT

X+H2OGlucose + Fructose

How many oxygen atoms are present in X?

MEDIUM
IMPORTANT

Name the reagent and condition required for carrying out of the following reaction

Question Image

HARD
IMPORTANT

Giving 'T' Symbol for true statement and 'F' symbol for false statement, select correct option.
(i) Most naturally occurring amino acids have L-configuration
(ii) β-D-ribose sugar is present in RNA
(iii) Amylose is water insoluble component made up of α-D-+ glucose units
(iv) All monosaccharides are non-reducing sugars.

MEDIUM
IMPORTANT

Write reactions to show that 

i) Glucose contains six carbon atoms in straight chain.

ii) Glucose contains five -OH groups.

MEDIUM
IMPORTANT

How many sugars (or sugar derivatives) are reducing in nature?

(i) α-D-Glucopyranose
(ii) Fructose
(iii) Sucrose
(iv) Lactose
(v) Maltose
(vi) β-D-Glucopyranose
(vii) Starch
(viii) ATP
(ix) DNA
(x) Methyl α-D-glucopyranoside

EASY
IMPORTANT

Which of the following is known as animal starch?

MEDIUM
IMPORTANT

What are tetrasaccharide? Give example.