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Revision Quiz on Biomolecules and Polymers

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Question 1

Which one of the following bases is not present in DNA?

Question 2

The species which can best serve as an initiator for the cationic polymerization is :

Question 3

Thiol group is present in

Question 4

The reason for double helical structure of DNA is operation of

Question 5

Complete hydrolysis of cellulose gives

Question 6

The pyrimidine bases present in DNA are

Question 7

Among the following substituted silanes, the one which will give rise to cross-linked silicone polymer on hydrolysis is

Question 8

Nylon threads are made of

Question 9

The most appropriate method of making egg-albumin sol is:

Question 10

Which one is classified as a condensation polymer?

Question 11

Which of the following compounds will behave as a reducing sugar in an aqueous KOH solution?

Question 12

Assertion: Rayon is a semisynthetic polymer whose properties are better than natural cotton.
Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.

Question 13

Glucose on prolonged heating with HI gives:

Question 14

The copolymer formed by addition polymerization of styrene and acrylonitrile in the presence of peroxide is

Question 15

The formation of which of the following polymers involves hydrolysis reaction?
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