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

Glycine at pH7 has the structure

Question # 2

β-D-glucose is a monomer for

Question # 3

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

Question # 4

Copolymer is

Question # 5

A condensation polymer among the following is

Question # 6

Which is not an enzyme

Question # 7

Protein may have

Question # 8

Which of the following brings about the conversion of starch into maltose

Question # 9

A nucleoside may be

Question # 10

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 11

Orlon is a polymer of

Question # 12

The group linkage present in fats is

Question # 13

(CH2O)nis general formula for

Question # 14

The main structure features of proteins is

Question # 15

A polymer may be

Question # 16

Which of the following is a polyamide?

Question # 17

Vegetable oils are

Question # 18

Enzymes are

Question # 19

Which polymerization is free radical machanism based

Question # 20

Which of the following statements is incorrect about vitamins

Question # 21

The fiber which is made from acrylonitrile as monomer:

Question # 22

Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme

Question # 23

Which one of the following is a water soluble vitamin

Question # 24

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

Question # 25

Iodine value of an oil or fat may be defined as

Question # 26

How is the secondary structure of protein stabilized

Question # 27

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

Question # 28

The polymers which can not be re-softened again and again are called

Question # 29

Vegetable oils are

Question # 30

Polyester resins have special use in:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
2 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
3 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these
4 The monomeric units of starch is/are
A. Glucose
B. Fructose
C. Glucose and fructose
D. Mannose
5 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
6 Nylon, 6,6 is a condensation polymer of
A. Adipic acid and glycol
B. Phthalic acid and glycol
C. Adipic acid and hexaethylene diamine
D. Pthalic acid and hexaethylene diamine
7 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
8 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
9 The high molecular weight materials which yield on hydrolysis the amino acids is called:
A. Carbohydrates
B. Lipids
C. Fatty acids
D. Proteins
10 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

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