EASY
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What is chitin made up of ?

Important Questions on Chemical Constituents of Living Cell

EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates

Assertion (A): Starch can hold iodine molecules whereas cellulose cannot hold iodine molecules.

Reason R: Cellulose forms helical secondary structures whereas starch does not contain complex helices.

The correct answer is:

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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Which one of the following is a non-reducing carbohydrate?
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
The two functional groups characteristic of sugars are
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Why do we get instant energy from glucose?
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Pentoses and hexoses are the most common
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Why do we get instant energy from glucose?
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
From the following groups, select the one which has only secondary metabolites?
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Which constitutes a good food for diabetic persons?
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Carbohydrates, the most abundant bio-molecules on earth, are produced by:
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
When octa-O-methyl D-cellobiose is hydrolyzed by aqueous acid, two O-methylated glucose derivatives are formed. One is tetramethyl derivative, and the other is a trimethyl derivative. Why is a single methyl substituent lost in this process ?
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Given below is a diagrammatic representation of a portion of glycogen

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Identify the linkage / type of bonding present at the labelled portion A. Which of the following carbohydrate have same type of bonding?
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Which one of the following is the sweetest sugar
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Among the following food items, which one has the highest amount of carbohydrates?
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
How many microfibrils combine to form a fibril of cellulose?
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Most abundant organic compound on earth is
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
The most immediate source of energy for living cells is generally in the form of
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Which of the following is a disaccharide?
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates

Which of the following is not cleaved by HIO4?

A. Glycerol 

B. Glycol

C. Propan-1,3-diol           

D. Methoxy-2-propanol

EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Sucrose, a common table sugar, is composed of
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Benedict’s reagent test is conducted to confirm the presence of