EASY
Earn 100

What is chitin made up of ?

Important Questions on Chemical Constituents of Living Cell

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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
The two functional groups characteristic of sugars are
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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
Pyrenoids are the centres for formation of
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Illustrate a glycosidic, peptide and phosphodiester bond
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Glycoproteins contain
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Carbohydrates get broken into _____.
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
The sugar found as reserve food in grapes is ____
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

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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Pentoses and hexoses are the most common
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Which of the following is a disaccharide?
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
In which of the following forms glucose is usually stored in plants
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
How many microfibrils combine to form a fibril of cellulose?
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Match the biological molecule listed under column I with their biological functions listed under column II and select the answer which gives the correct combination of alphabets of the two columns.
 

 		 Column I
(Biological molecules)		   Column II
(Functions)
 A.  Glycogen  p.  Hormone
 B.  Globulin  q.  Biocatalyst
 C.  Steroids  r.  Antibody
 D.  Thrombin  s.  Storage product
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
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 ?
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Which one of the following is the sweetest sugar
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Why do we get instant energy from glucose?
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Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Sucrose, a common table sugar, is composed of
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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