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

The temp. and pressure used for PVC polymerization is

Question # 2

Which is the polymer that has amide linkage in its structure

Question # 3

Plastics are pollution problem because many plastics:

Question # 4

Teflon, styron and neoprene are all

Question # 5

Which polymerization is free radical machanism based

Question # 6

Purines include

Question # 7

Glycine at pH7 has the structure

Question # 8

Ricket is caused due to the deficiency of vitamin

Question # 9

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

Question # 10

Factors affecting denaturation of proteins:

Question # 11

The raw material to form nylon is

Question # 12

Which of the following is a constituent of nylon?

Question # 13

Naturally occurring lipids are called

Question # 14

Which functional group is present in glycerol tristearate

Question # 15

Which of these polymers is an addition polymer

Question # 16

The simplest separating unit of a polymer is called:

Question # 17

Enzymes are chemically

Question # 18

Which of the following statements is incorrect about vitamins

Question # 19

Which is a protein?

Question # 20

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

Question # 21

Bakelite is obtained from phenol by reacting with

Question # 22

Oxidation reduction is done by

Question # 23

Polyester resins have special use in:

Question # 24

Cotton has cellulose in it:

Question # 25

Monosaccharides belong to the group

Question # 26

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

Question # 27

Which one of the following is a water soluble vitamin

Question # 28

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

Question # 29

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton
2 Which of the following statements is incorrect about vitamins
A. Often function as coenzymes
B. Molecules contain at least one ring structure
C. Are often synthesized by the body
D. Are polyfunctional compounds
3 Which one of the following statements of glucose and sucrose is incorrect?
A. Both are soluble in water
B. Both are naturally occuring
C. Both are carbohydrates
D. Both are disaccharides
4 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
5 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
6 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
7 Which of the following is not present in RNA?
A. Uracil
B. Thymine
C. Ribose
D. Phosphate
8 Enzymes, in the living systems
A. Provide energy
B. Provide immunity
C. Transport oxygen
D. Catalyze biochemical processes
9 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
10 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these

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