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 temp. and pressure used for PVC polymerization is

Question # 2

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 3

Monosaccharides belong to the group

Question # 4

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

Question # 5

Which of the following is not a synthetic polymer?

Question # 6

Polymer formation from monomers starts by

Question # 7

A polymer may be

Question # 8

The digestion of fats in the intestines is aided by

Question # 9

Vitamin A is present in

Question # 10

Which one of the following is a water soluble vitamin

Question # 11

The metal present in blood is

Question # 12

The fiber which is made from acrylonitrile as monomer:

Question # 13

The simplest separating unit of a polymer is called:

Question # 14

Two or more similar monomers combine to form:

Question # 15

Which of the following is the repeating monomeric unit in cellulose

Question # 16

The development of disagreeable odur in fats or oil is called

Question # 17

Which of these polymers is a synthetic polymer?

Question # 18

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

Question # 19

DNA has deoxyribose, a base and the third component is

Question # 20

Purine derivative among the following bases is

Question # 21

Which behaves as insulator for animals body?

Question # 22

Vegetables oils are:

Question # 23

What is the most common catalyst used in hydrogenation of oils

Question # 24

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

Question # 25

Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as

Question # 26

Which is not a steroid

Question # 27

Naturally occurring lipids are called

Question # 28

Simple sugars are :

Question # 29

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

Question # 30

Major food factors are:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid
2 Vitamin A is present in
A. Liver
B. Milk
C. Green vegetables
D. All
3 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars
4 Enzymes are catalysts which contain other than carbon and hydrogen one other element
A. Oxygen
B. Sulphur
C. Phosphorus
D. Iodine
5 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
6 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
7 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer
8 The product of addition polymerization reaction is
A. PVC
B. Nylon
C. Terylene
D. Polyamide
9 DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide
A. Phosphate group
B. Deoxy ribose sugar
C. Uracil base
D. Adenine base
10 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a:
A. Fiber
B. Plastic
C. Vanish
D. Polyamide resin

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