EASY
Earn 100

What are structural polysaccharides and their functions ?

Important Questions on Chemical Constituents of Living Cell

EASY

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:

MEDIUM
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
Which one of the following is a non-reducing carbohydrate?
EASY
Identify the substances having glycosidic bond and peptide bond, respectively in their structure.
EASY
The two functional groups characteristic of sugars are
EASY
Which constitutes a good food for diabetic persons?
MEDIUM
From the following groups, select the one which has only secondary metabolites?
EASY
Carbohydrates, the most abundant bio-molecules on earth, are produced by:
MEDIUM
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
Among the following food items, which one has the highest amount of carbohydrates?
EASY
How many microfibrils combine to form a fibril of cellulose?
EASY
Given below is a diagrammatic representation of a portion of glycogen

Question Image

Identify the linkage / type of bonding present at the labelled portion A. Which of the following carbohydrate have same type of bonding?
EASY
The most immediate source of energy for living cells is generally in the form of
MEDIUM

Which of the following is not cleaved by HIO4?

A. Glycerol 

B. Glycol

C. Propan-1,3-diol           

D. Methoxy-2-propanol