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

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

Question # 2

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

Question # 3

Which of the following is the repeating monomeric unit in cellulose

Question # 4

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

Question # 5

Cotton is ______% cellulose

Question # 6

Which of the following is not a synthetic polymer?

Question # 7

Which of the following is fully fluorinated polymer?

Question # 8

Which is a protein?

Question # 9

A fibre which is made from acrylonitrile as monomer

Question # 10

Which is the polymer that has amide linkage in its structure

Question # 11

The polymers which can be re-softened again and again are caled

Question # 12

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

Question # 13

Orlon is a polymer of

Question # 14

Which has maximum protein content?

Question # 15

The group linkage present in fats is

Question # 16

What is not true about DNA

Question # 17

Enzymes, in the living systems

Question # 18

Enzymes are chemically

Question # 19

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

Question # 20

Which of the following has ester linkage?

Question # 21

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

Question # 22

C6H12O6 is molecualr formula of:

Question # 23

Which carbohydrates is an essential constituent of plant cells?

Question # 24

The other name of cross linked polymers is

Question # 25

Iodine value of an oil or fat may be defined as

Question # 26

Which of these polymers is an addition polymer

Question # 27

Which functional group is present in glycerol tristearate

Question # 28

Which of the following is not present in nucleotide?

Question # 29

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

Question # 30

Which of these polymers is a synthetic polymer?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
2 Which is a protein?
A. Nylon
B. Rayon
C. Natural silk
D. Terylene
3 Which of the following has magnesium?
A. Carbonic anhydrase
B. Haemocyanin
C. chlorophyll
D. Vitamin B12
4 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
5 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
6 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
7 A condensation polymer among the following is
A. Dacron
B. PVC
C. Polysterene
D. Teflon
8 A nucleoside may be
A. Ribonuleoside
B. Deoxyribonucleoside
C. Both a and b
D. None
9 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
10 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin

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