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

Polymer formation from monomers starts by

Question # 2

The disaccharide present in milk is

Question # 3

The substance upon which an enzyme acts is known as its

Question # 4

On hydrolysis of starch, we finally get

Question # 5

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 6

Which of the following is the repeating monomeric unit in cellulose

Question # 7

For every reaction occurring in the body three is at least one type of

Question # 8

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

Question # 9

One of the followings is not type of polymer

Question # 10

What is the most common catalyst used in hydrogenation of oils

Question # 11

Which of these polymers is an addition polymer?

Question # 12

The proteins which are derived by conjugated proteins are called as

Question # 13

Vegetable oils are

Question # 14

Which one of the following is a water soluble vitamin

Question # 15

Ricket is caused due to the deficiency of vitamin

Question # 16

An oil or fat with no double bond have iodine number:

Question # 17

Which is not a steroid

Question # 18

Hydrolysis of sucrose is called

Question # 19

Synthetic polymer prepared from caprolactum is known is

Question # 20

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

Question # 21

Which of the following is a biodegradable polymer?

Question # 22

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 23

Which behaves as insulator for animals body?

Question # 24

The fibre which is made form acrylonitrile as monomer

Question # 25

The development of disagreeable odur in fats or oil is called

Question # 26

Enzymes are

Question # 27

The prosthetic group in glycoprotein is

Question # 28

Vegetable oils are

Question # 29

The temp. and pressure used for PVC polymerization is

Question # 30

Oxidation reduction is done by

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
2 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
3 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glycerides of saturated fatty acids
D. Essential oils obtained from plants
4 Glycine at pH7 has the structure
A. H2N -- CH2 -- COOH
B. H3N+-- CH2-- COOH
C. H2N -- CH2COO-
D. H3N+-- CH2-- COO-
5 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
6 What is the most common catalyst used in hydrogenation of oils
A. Cobalt
B. Nickel
C. Tungsten
D. Copper
7 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these
8 Protein may have
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these
9 Cotton is ______% cellulose
A. 90
B. 100
C. 99
D. 30
10 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell

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