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

00:00
Question # 1

Copolymer is

Question # 2

Which of the following is a steroid

Question # 3

Factors affecting denaturation of proteins:

Question # 4

The disaccharide present in milk is

Question # 5

The reaction between fat and NaOH is called

Question # 6

The digestion of fats in the intestines is aided by

Question # 7

Iodine value of an oil or fat may be defined as

Question # 8

Which polymerization is free radical machanism based

Question # 9

The protein which only yield amino acids and their derivatives

Question # 10

The number of amino acids found in proteins that a human body can synthesize is

Question # 11

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 12

The polymers which can be re-softened again and again are caled

Question # 13

Vegetable oils are

Question # 14

Which of the following is not a synthetic polymer?

Question # 15

Polymer formation from monomers starts by

Question # 16

The temp. and pressure used for PVC polymerization is

Question # 17

Cotton is ______% cellulose

Question # 18

C6H12O6 is molecualr formula of:

Question # 19

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

Question # 20

Which one is a polymer compound?

Question # 21

A fibre which is made from acrylonitrile as monomer

Question # 22

Hydrolysis of sucrose is called

Question # 23

On hydrolysis of starch, we finally get

Question # 24

Which of the following is a polyamide?

Question # 25

Which of the following is a biodegradable polymer?

Question # 26

DNA has deoxyribose, a base and the third component is

Question # 27

Which one of the following is a water soluble vitamin

Question # 28

Nylon, 6,6 is a condensation polymer of

Question # 29

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

Question # 30

A nucleoside may be

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
2 Ascorbic acid is a chemical name of
A. Vitamin D
B. Vitamin A
C. Vitamin C
D. Vitamin B6
3 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
4 There are 20 amino acids found in protein which is not the property of these amino acids
A. They are allα-amino acids
B. They are all optically active
C. They have high decomposition point
D. They are water soluble
5 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
6 Which of the following has magnesium?
A. Carbonic anhydrase
B. Haemocyanin
C. chlorophyll
D. Vitamin B12
7 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
8 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
9 Which of the following is a biodegradable polymer?
A. Cellulose
B. Polyethene
C. Polyvinyl chloride
D. Nylon-6
10 Which of the following fibres are made of polyamides?
A. Dacron
B. Orlon
C. Nylon
D. Rayon

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