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

Teflon, styron and neoprene are all

Question # 2

The metal present in blood is

Question # 3

Sterols, vitamin D and terpenese belong to

Question # 4

Which one of the following enzymes brings about the hydrolysis of fats

Question # 5

Ascorbic acid is a chemical name of

Question # 6

A fibre which is made from acrylonitrile as monomer

Question # 7

What is not true about DNA

Question # 8

Which of the following is a steroid

Question # 9

Soft drinks and baby feeding bottles are generally made up of

Question # 10

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

Question # 11

An example of water soluble vitamin is

Question # 12

Which of these polymers is an addition polymer

Question # 13

Oxidation reduction is done by

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

Which one of the following is a water soluble vitamin

Question # 18

Cellulose does:

Question # 19

(CH2O)nis general formula for

Question # 20

Which has maximum protein content?

Question # 21

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

Question # 22

Which of the following has ester linkage?

Question # 23

The temp. and pressure used for PVC polymerization is

Question # 24

The clotting time of blood is increased due to the deficiency of

Question # 25

One of the followings is not type of polymer

Question # 26

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

Question # 27

Plastics are a pollution problem because many plastics

Question # 28

Bakelite is obtained from phenol by reacting with

Question # 29

Plastics are pollution problem because many plastics:

Question # 30

Bakelite is a product formed form

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer
A. Silk
B. Polyester
C. Polyvinyl chloride
D. Nylon
2 Which of the following is not a synthetic polymer?
A. Polyethylene
B. PVC
C. Nylon
D. Cellophane
3 Which property is not present in lipids?
A. Liquid
B. Solid or semi solid
C. Soluble in water
D. Form emultion
4 Which one of the following is the most abundant organic substance found in nature
A. Fructose
B. Starch
C. Glucose
D. Cellulose
5 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
6 Which behaves as insulator for animals body?
A. Carbohydrates
B. Proteins
C. Fats
D. Skin
7 Oxidation reduction is done by
A. Oxidoreductase
B. Lipases
C. Lyase
D. None of these
8 C6H12O6 is molecualr formula of:
A. Glucose
B. Dextrose
C. Fructose
D. All of these
9 Which of the following is a biodegradable polymer?
A. Cellulose
B. Polyethene
C. Polyvinyl chloride
D. Nylon-6
10 The product of addition polymerization reaction is
A. PVC
B. Nylon
C. Terylene
D. Polyamide

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