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

Which of these polymers is an addition polymer?

Question # 2

The temp. and pressure used for PVC polymerization is

Question # 3

Which one of the following statements of glucose and sucrose is incorrect?

Question # 4

The simplest separating unit of a polymer is called:

Question # 5

Monosaccharides belong to the group

Question # 6

The protein which only yield amino acids and their derivatives

Question # 7

A polymer may be

Question # 8

Which one of the following enzymes brings about the hydrolysis of fats

Question # 9

Natural rubber is a polymer of

Question # 10

Which of the following is the repeating monomeric unit in cellulose

Question # 11

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

Question # 12

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 13

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 14

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 15

Which of these polymers is an addition polymer

Question # 16

DNA has deoxyribose, a base and the third component is

Question # 17

Which has maximum protein content?

Question # 18

Cotton is ______% cellulose

Question # 19

The monomeric units of starch is/are

Question # 20

The fibre which is made form acrylonitrile as monomer

Question # 21

On hydrolysis of starch, we finally get

Question # 22

Enzymes are

Question # 23

Which is the derived lipid?

Question # 24

Glyptal polymer is obtained from glycerol on reacting with

Question # 25

An oil or fat with no double bond have iodine number:

Question # 26

Nylon, 6,6 is a condensation polymer of

Question # 27

(CH2O)nis general formula for

Question # 28

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

Question # 29

Which of the following is a water soluble vetamin?

Question # 30

The three dimensional folding and twisting of a polypeptide chain give rise to

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Glycine at pH7 has the structure
A. H2N -- CH2 -- COOH
B. H3N+-- CH2-- COOH
C. H2N -- CH2COO-
D. H3N+-- CH2-- COO-
2 The monomeric units of starch is/are
A. Glucose
B. Fructose
C. Glucose and fructose
D. Mannose
3 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
4 Enzymes are
A. Proteins
B. Minerals
C. Oils
D. Fatty acids
5 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure
6 For every reaction occurring in the body three is at least one type of
A. Enzyme
B. Vitamin
C. Protein
D. Amino acid
7 Which of these polymers is an addition polymer?
A. Nylon-6,6
B. Polystrene
C. Terylene
D. Epoxy resin
8 Purine derivative among the following bases is
A. Thymine
B. Uracil
C. Guanine
D. Cytosine
9 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
10 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)

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