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 carbohydrates is an essential constituent of plant cells?

Question # 2

The fiber which is made from acrylonitrile as monomer:

Question # 3

Which teat is not given by both glucose and fructose

Question # 4

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

Question # 5

Which of the following is a polyamide?

Question # 6

Of the following which is a step growth polymer

Question # 7

Sterols, vitamin D and terpenese belong to

Question # 8

DNA has deoxyribose, a base and the third component is

Question # 9

Which is the polymer that has amide linkage in its structure

Question # 10

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

Question # 11

The disaccharide present in milk is

Question # 12

Natural rubber is a polymer of

Question # 13

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

Question # 14

Glyptal polymer is obtained from glycerol on reacting with

Question # 15

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

Question # 16

Bakelite is a product formed form

Question # 17

Bakelite is obtained from phenol by reacting with

Question # 18

A nucleoside may be

Question # 19

Simple sugars are :

Question # 20

In which of these processes are smell organic molecules made into macromolecules?

Question # 21

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

Question # 22

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

Question # 23

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

Question # 24

Purine derivative among the following bases is

Question # 25

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

Question # 26

Monosaccharides belong to the group

Question # 27

Which of the following fibres are made of polyamides?

Question # 28

Plastics are a pollution problem because many plastics

Question # 29

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

Question # 30

Among the following polymers, the strongest molecular forces are present in

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum
2 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid
3 Molar mass of high molecular w.f. polymers ranges from:
A. 1000 to 10000
B. 10000 to 100000
C. 100000 to 1000000
D. 1000 to 100000000
4 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
5 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
6 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
7 Protein may have
A. Primary structure
B. Secondary structure
C. Tertiary structure
D. All of these
8 Orlon is a polymer of
A. Tetrafluoroethylene
B. Acrylonitrile
C. Ethanoic acid
D. Benzene
9 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
10 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine

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