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

Synthetic polymer prepared from caprolactum is known is

Question # 2

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

Question # 3

The degree of unsaturation in fats or oils is usually measured by numbers of grams of iodine required by 100 grmas of fat, this is called

Question # 4

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

Question # 5

Soft drinks and baby feeding bottles are generally made up of

Question # 6

Vegetable oils are

Question # 7

The fibre which is made form acrylonitrile as monomer

Question # 8

Cotton is ______% cellulose

Question # 9

A condensation polymer among the following is

Question # 10

Which has maximum protein content?

Question # 11

The substance upon which an enzyme acts is known as its

Question # 12

Which of the following is a constituent of nylon?

Question # 13

Iodine value of an oil or fat may be defined as

Question # 14

Which one of the following is a water soluble vitamin

Question # 15

Purine derivative among the following bases is

Question # 16

Which of the following is not present in RNA?

Question # 17

Peptide bond is a key feature in

Question # 18

Which of the following is a steroid

Question # 19

(CH2O)nis general formula for

Question # 20

The product of addition polymerization reaction is

Question # 21

Which of the following polymers is used for weather resistant paints

Question # 22

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

Question # 23

Which one of the following is the most abundant organic substance found in nature

Question # 24

Bakelite is obtained from phenol by reacting with

Question # 25

Which of the following fibres are made of polyamides?

Question # 26

Which of these polymers is an addition polymer

Question # 27

Oxidation reduction is done by

Question # 28

Which polymerization is free radical machanism based

Question # 29

Factors affecting denaturation of proteins:

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Peptide bond is a key feature in
A. Polysaccharide
B. Proteins
C. Nucleotide
D. Vitamins
2 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
3 The protein which only yield amino acids and their derivatives
A. Simple proteins
B. Complex proteins
C. Derived protein
D. All of these
4 Poly hydroxyl compounds of aldehyde and ketones are:
A. Carbohydrates
B. Proteins
C. Fats
D. Lipids
5 Which is not a steroid
A. Cholesterol
B. Ergosterol
C. Phospholipids
D. None of these
6 The reaction between fat and NaOH is called:
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Sponification
7 RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA
A. D-Ribose
B. Wracil base
C. Prosphate group
D. Thyamine base
8 Which of the following is a biodegradable polymer?
A. Cellulose
B. Polyethene
C. Polyvinyl chloride
D. Nylon-6
9 The disaccharide present in milk is
A. Sucrose
B. Maltose
C. Lactose
D. Cellobiose
10 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these

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