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

Which of the following polymers is used for weather resistant paints

Question # 2

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

Question # 3

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

Question # 4

Which is the polymer that has amide linkage in its structure

Question # 5

The raw material to form nylon is

Question # 6

On hydrolysis of starch, we finally get

Question # 7

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

Question # 8

Which of these polymers is an addition polymer

Question # 9

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 10

Oxidation reduction is done by

Question # 11

Synthetic polymer prepared from caprolactum is known is

Question # 12

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 # 13

Ricket is caused due to the deficiency of vitamin

Question # 14

Cotton is ______% cellulose

Question # 15

Cotton has cellulose in it:

Question # 16

Simple sugars are :

Question # 17

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

Question # 18

Which of the following is a polyamide?

Question # 19

The digestion of fats in the intestines is aided by

Question # 20

The development of disagreeable odur in fats or oil is called

Question # 21

Purine derivative among the following bases is

Question # 22

The main structure features of proteins is

Question # 23

Which behaves as insulator for animals body?

Question # 24

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

Question # 25

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

Question # 26

Which one of the following enzymes brings about the hydrolysis of fats

Question # 27

The other name of cross linked polymers is

Question # 28

Substances that render enzymes catalytically inactive are called

Question # 29

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

Question # 30

Iodine value of an oil or fat may be defined as

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following is not an example of addition polymer?
A. Polyethene
B. Polystyrene
C. Neoprene
D. Terylene
2 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
3 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
4 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
5 C6H12O6 is molecualr formula of:
A. Glucose
B. Dextrose
C. Fructose
D. All of these
6 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
7 The number of amino acids found in proteins that a human body can synthesize is
A. 20
B. 10
C. 5
D. 14
8 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
9 Monosaccharides are
A. Aldoses
B. Ketoses
C. Either a and b
D. None of these
10 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification

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