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

Protein are classified into

Question # 2

Plastics are a pollution problem because many plastics

Question # 3

A condensation polymer among the following is

Question # 4

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

Question # 5

Which of the following brings about the conversion of starch into maltose

Question # 6

Which is a protein?

Question # 7

Which of these polymers is a synthetic polymer?

Question # 8

Which of these polymers is an addition polymer?

Question # 9

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

Question # 10

A polymer may be

Question # 11

The product of addition polymerization reaction is

Question # 12

Enzymes are

Question # 13

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

Question # 14

Plastics are a pollution problem because many plastics

Question # 15

Simple sugars are :

Question # 16

Which of these polymers is an addition polymer

Question # 17

Which is the polymer that has amide linkage in its structure

Question # 18

Cotton has cellulose in it:

Question # 19

Polysaccharides are also called

Question # 20

Which carbohydrates is an essential constituent of plant cells?

Question # 21

DNA has deoxyribose, a base and the third component is

Question # 22

Which of the following is not present in RNA?

Question # 23

Which of the following is a water soluble vetamin?

Question # 24

The reaction between fat and NaOH is called

Question # 25

Iodine value of an oil or fat may be defined as

Question # 26

One of the followings is not type of polymer

Question # 27

Molar mass of high molecular w.f. polymers ranges from:

Question # 28

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 # 29

Which of the following polymers is used for weather resistant paints

Question # 30

Copolymer is

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which one of the following is the most abundant organic substance found in nature
A. Fructose
B. Starch
C. Glucose
D. Cellulose
2 Which polymerization is free radical machanism based
A. Addition
B. Condensation
C. Both a and b
D. None
3 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
4 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
5 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
6 Which of the following is a polyamide?
A. Nylon
B. Orlon
C. Teflon
D. Terylene
7 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
8 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
9 The digestion of fats in the intestines is aided by
A. Diffusion
B. Protection
C. Peptization
D. Emulsification
10 What is not true about DNA
A. It preserve genetic information
B. To relicates
C. Synthesized protein
D. It has a linear structure

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