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

β-D-glucose is a monomer for

Question # 2

The monomeric units of starch is/are

Question # 3

Glycine at pH7 has the structure

Question # 4

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

Question # 5

What is the most common catalyst used in hydrogenation of oils

Question # 6

An example of water soluble vitamin is

Question # 7

The product of addition polymerization reaction is

Question # 8

What is not true about DNA

Question # 9

Which of the following is obtained by condensation polymerization?

Question # 10

One of the followings is not type of polymer

Question # 11

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

Question # 12

The main structure features of proteins is

Question # 13

Major food factors are:

Question # 14

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

Question # 15

Which of these polymers is a synthetic polymer?

Question # 16

Which of the following fibres are made of polyamides?

Question # 17

Activity of the enzyme is reduced by

Question # 18

Iodine value of an oil or fat may be defined as

Question # 19

Bakelite is obtained from phenol by reacting with

Question # 20

Polymer formation from monomers starts by

Question # 21

Which of the following is a polyamide?

Question # 22

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

Question # 23

The digestion of fats in the intestines is aided by

Question # 24

Which of the following statements is incorrect about vitamins

Question # 25

A polymer may be

Question # 26

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

Question # 27

Which behaves as insulator for animals body?

Question # 28

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

Question # 29

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

Question # 30

Which has maximum protein content?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Substances that render enzymes catalytically inactive are called
A. Conenzymes
B. Substrates
C. Inhibitors
D. Apoezymes
2 The protein which only yield amino acids and their derivatives
A. Simple proteins
B. Complex proteins
C. Derived protein
D. All of these
3 Cellulose does:
A. Satisfy human appetite
B. Stimulates intestinal peristalsis
C. Gives fibre and bulk to the food
D. All of these
4 Vegetable oils are
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Glycerides of saturated fatty acids
D. Essential oils obtained from plants
5 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
6 Violet colour is obtained when dilute CuSO4is added in alkaline solution of protein. This test is known as
A. Biuret
B. Xanthoproteic test
C. Hopkins-cole
D. All of these
7 Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by
A. Schrodixger
B. Standinger
C. Lewis
D. Newton
8 Which is the derived lipid?
A. Common fats
B. Vitamin-D
C. Common oils
D. Spinolipids
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 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these

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