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

(CH2O)nis general formula for

Question # 2

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

Question # 3

Which of these polymers is an addition polymer

Question # 4

Monosaccharides are

Question # 5

Simple sugars are :

Question # 6

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

Question # 7

Of the following which is a step growth polymer

Question # 8

The simplest separating unit of a polymer is called:

Question # 9

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

Question # 10

Terylene is madeby polymerization of terephthalic acid with

Question # 11

The number of amino acids found in proteins that a human body can synthesize is

Question # 12

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

Question # 13

The fiber which is made from acrylonitrile as monomer:

Question # 14

Bakelite is obtained from phenol by reacting with

Question # 15

Ricket is caused due to the deficiency of vitamin

Question # 16

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

Question # 17

In macromolecules DP stands for

Question # 18

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

Question # 19

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

Question # 20

The main structure features of proteins is

Question # 21

Natural rubber is a polymer of

Question # 22

Which of the following is a water soluble vetamin?

Question # 23

Which one is a polymer compound?

Question # 24

Factors affecting denaturation of proteins:

Question # 25

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

Question # 26

A polymer may be

Question # 27

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 # 28

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 29

Which polymerization is free radical machanism based

Question # 30

Plastics are pollution problem because many plastics:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
2 The group linkage present in fats is
A. Peptide linkage
B. Ester linkage
C. Glycosidic linkage
D. None of these
3 Copolymer is
A. Nylon-6
B. Nylon 66
C. PMMA
D. Polyethene
4 Which of the following is not a synthetic polymer?
A. Polyethylene
B. PVC
C. Nylon
D. Cellophane
5 For every reaction occurring in the body three is at least one type of
A. Enzyme
B. Vitamin
C. Protein
D. Amino acid
6 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
7 Monosaccharides belong to the group
A. Lipids
B. Fats
C. Proteins
D. Carbohydrates
8 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
9 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
10 Ricket is caused due to the deficiency of vitamin
A. A
B. D
C. B
D. E

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