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

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

Question # 2

Plastics are pollution problem because many plastics:

Question # 3

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

Question # 4

Copolymer is

Question # 5

Naturally occurring lipids are called

Question # 6

Soft drinks and baby feeding bottles are generally made up of

Question # 7

Nylon, 6,6 is a condensation polymer of

Question # 8

Plastics are a pollution problem because many plastics

Question # 9

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

Question # 10

Which functional group is present in glycerol tristearate

Question # 11

The product of addition polymerization reaction is

Question # 12

Which of the following polymers is used for weather resistant paints

Question # 13

The simplest separating unit of a polymer is called:

Question # 14

Which of the following is a constituent of nylon?

Question # 15

Simple sugars are :

Question # 16

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

Question # 17

Which one of the following elements is not present in all proteins

Question # 18

DNA has deoxyribose, a base and the third component is

Question # 19

Which of the following is not present in RNA?

Question # 20

Which of these polymers is an addition polymer?

Question # 21

Which is the polymer that has amide linkage in its structure

Question # 22

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

Question # 23

Which one of the following is a water soluble vitamin

Question # 24

Purine derivative among the following bases is

Question # 25

Monosaccharides are

Question # 26

The proteins which are derived by conjugated proteins are called as

Question # 27

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 # 28

Activity of the enzyme is reduced by

Question # 29

Vegetables oils are:

Question # 30

Which carbohydrates is an essential constituent of plant cells?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Oxidation reduction is done by
A. Oxidoreductase
B. Lipases
C. Lyase
D. None of these
2 The three dimensional folding and twisting of a polypeptide chain give rise to
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these tertiary
3 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid
4 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
5 The polymers which can not be re-softened again and again are called
A. Thermoplastic
B. Thermosetting
C. Both a and b
D. None
6 Vitamin A is present in
A. Liver
B. Milk
C. Green vegetables
D. All
7 Which carbohydrates is an essential constituent of plant cells?
A. Starch
B. Cellulose
C. Sucrose
D. Vitamins
8 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
9 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
10 Enzymes, in the living systems
A. Provide energy
B. Provide immunity
C. Transport oxygen
D. Catalyze biochemical processes

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