ECAT Pre Engineering Chemistry Chapter 25 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

Try The MCQ's Test For ECAT Chemistry Chapter 25 Macromolecules

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ECAT Chemistry Chapter 25 Macromolecules

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Question # 1

Iodine value of an oil or fat may be defined as

Question # 2

One of the followings is not type of polymer

Question # 3

The monomeric units of starch is/are

Question # 4

Which of the following is not present in RNA?

Question # 5

The temp. and pressure used for PVC polymerization is

Question # 6

Which is the polymer that has amide linkage in its structure

Question # 7

The group linkage present in fats is

Question # 8

Enzymes are

Question # 9

Peptide bond is a key feature in

Question # 10

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 11

Of the following which is a step growth polymer

Question # 12

At what pH glycine shows the structure H3N+-- CH2-- COOH

Question # 13

An example of water soluble vitamin is

Question # 14

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 15

The reaction between fat and NaOH is called

Question # 16

Which behaves as insulator for animals body?

Question # 17

The fiber which is made from acrylonitrile as monomer:

Question # 18

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 19

The reaction between fat and NaOH is called:

Question # 20

Which of the following is a polyamide?

Question # 21

A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a

Question # 22

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 23

The temp. and pressure used for PVC polymerization is

Question # 24

Protein are classified into

Question # 25

Vegetables oils are:

Question # 26

Which one of the following is not an example of chain growth polymer?

Question # 27

How is the secondary structure of protein stabilized

Question # 28

The fibre which is made form acrylonitrile as monomer

Question # 29

The substance upon which an enzyme acts is known as its

Question # 30

Purine derivative among the following bases is

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Terylene is madeby polymerization of terephthalic acid with
A. Ethylene glycol
B. Phenol
C. Ethanol
D. Catechol
2 The reaction between fat and NaOH is called
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Saponification
3 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
4 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
5 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
6 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
7 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
8 Polymer formation from monomers starts by
A. Condensation reaction between monomers
B. Coordination reaction between monomers
C. Conversion of monomer to monomer ions by protons
D. Hydrolysis of monomers
9 The protein which only yield amino acids and their derivatives
A. Simple proteins
B. Complex proteins
C. Derived protein
D. All of these
10 The simplest separating unit of a polymer is called:
A. Monomer
B. Dimer
C. Trimmer
D. Macromer

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