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

00:00
Question # 1

Substances that render enzymes catalytically inactive are called

Question # 2

Vegetable oils are

Question # 3

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

Question # 4

Which behaves as insulator for animals body?

Question # 5

Activity of the enzyme is reduced by

Question # 6

One of the followings is not type of polymer

Question # 7

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

Question # 8

Which of the following fibres are made of polyamides?

Question # 9

Purine derivative among the following bases is

Question # 10

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

Question # 11

A polymer may be

Question # 12

Bakelite is a product formed form

Question # 13

Glycine at pH7 has the structure

Question # 14

Polysaccharides are also called

Question # 15

Which of the following is not a synthetic polymer?

Question # 16

Major food factors are:

Question # 17

The stroids of fungi and yeast and yeast are called:

Question # 18

Enzymes are chemically

Question # 19

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

Question # 20

The metal present in blood is

Question # 21

In which of these processes are smell organic molecules made into macromolecules?

Question # 22

Which of these polymers is an addition polymer

Question # 23

C6H12O6 is molecualr formula of:

Question # 24

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

Question # 25

The reaction between fat and NaOH is called

Question # 26

Which of the following is a biodegradable polymer?

Question # 27

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

Question # 28

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

Question # 29

What is the most common catalyst used in hydrogenation of oils

Question # 30

(CH2O)nis general formula for

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
2 Which of the following elements is not present in all proteins?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Sulphur
3 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors
4 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
5 Enzymes are chemically
A. Carbohydrates
B. Proteins
C. Fatty acids
D. Phospholipids
6 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
A. Oil number
B. Saturation number
C. Iodine number
D. Un saturation number
7 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
8 The prosthetic group in glycoprotein is
A. Carbohydrate
B. Fat
C. Vitamin
D. Nucleic acid
9 Which has maximum protein content?
A. Ground nut
B. Cow milk
C. Egg
D. Wheat
10 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose

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