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

What is the most common catalyst used in hydrogenation of oils

Question # 2

Iodine value of an oil or fat may be defined as

Question # 3

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 4

Cotton has cellulose in it:

Question # 5

In macromolecules DP stands for

Question # 6

Two vitamins absorbed from intestine along with fats are

Question # 7

Which of the following statements is incorrect about vitamins

Question # 8

The stroids of fungi and yeast and yeast are called:

Question # 9

Oxidation reduction is done by

Question # 10

Which of the following has ester linkage?

Question # 11

Which functional group is present in glycerol tristearate

Question # 12

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

Question # 13

Which of the following is a constituent of nylon?

Question # 14

Which one of the following is a water soluble vitamin

Question # 15

Vegetable oils are

Question # 16

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

Question # 17

Substances that render enzymes catalytically inactive are called

Question # 18

The reaction between fat and NaOH is called:

Question # 19

Which of the following polymers is used for weather resistant paints

Question # 20

A polymer may be

Question # 21

Which of these polymers is a synthetic polymer

Question # 22

On hydrolysis of starch, we finally get

Question # 23

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

Question # 24

When a nitrogeneous base combine with a sugar it is called

Question # 25

Which of the following is not a synthetic polymer?

Question # 26

The main structure features of proteins is

Question # 27

Cotton is ______% cellulose

Question # 28

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

Question # 29

Plastics are pollution problem because many plastics:

Question # 30

Which of the following is not an example of addition polymer?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which is the polymer that has amide linkage in its structure
A. PVC
B. Poly ethene
C. Polyester
D. Nylon
2 Which of the following is an example of ketohexose?
A. Mannose
B. Galactose
C. Maltose
D. Fructose
3 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
4 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
5 Plastics are pollution problem because many plastics:
A. Are made from petroleleum
B. Are very inflammable
C. Burn to produce toxic funes
D. Decompose to produce toxic products
6 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
7 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
8 In macromolecules DP stands for
A. Dissociation parameter
B. Dissociation polymer
C. Degree of polymerization
D. None of these
9 Which of these polymers is an addition polymer?
A. Nylon-6,6
B. Polystrene
C. Terylene
D. Epoxy resin
10 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene

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