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Monosaccharides are sugars.

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Important Questions on Chemical Constituents of Living Cell

EASY
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
Choose the correct statements from the following:
A) In a polysaccharide chain, the right end is reducing end and the left end is non-reducing end.
B) In a protein, the right end is a first amino acid called N-end, and the left end is called C-terminal.
C) Concanavalin A is a drug used to cure cancer along with vinblastin and curcumin.
D) GLUT-4 enables glucose transport into cells.
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:

EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Identify the substances having glycosidic bond and peptide bond, respectively in their structure.
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Which one of the following is a non-reducing carbohydrate?
EASY
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
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Pyrenoids are the centres for formation of
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
The sugar found as reserve food in grapes is ____
EASY
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Carbohydrates get broken into _____.
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
Pentoses and hexoses are the most common
EASY
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?
EASY
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
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
Which of the following is a disaccharide?
MEDIUM
Biology>Cell Structure and Function>Chemical Constituents of Living Cell>Carbohydrates
Why do we get instant energy from glucose?