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

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

Question # 2

Enzymes, in the living systems

Question # 3

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

Question # 4

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

Question # 5

Cellulose does:

Question # 6

Major food factors are:

Question # 7

Oxidation reduction is done by

Question # 8

Which of the following is not an example of addition polymer?

Question # 9

Ascorbic acid is a chemical name of

Question # 10

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

Question # 11

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 12

How is the secondary structure of protein stabilized

Question # 13

Which functional group is present in glycerol tristearate

Question # 14

Which of the following is a water soluble vetamin?

Question # 15

Ricket is caused due to the deficiency of vitamin

Question # 16

Simple sugars are :

Question # 17

Which teat is not given by both glucose and fructose

Question # 18

Which one is a polymer compound?

Question # 19

Polymer formation from monomers starts by

Question # 20

In fructose the possible optical isomers are

Question # 21

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

Question # 22

Substances that render enzymes catalytically inactive are called

Question # 23

What is the most common catalyst used in hydrogenation of oils

Question # 24

DNA has deoxyribose, a base and the third component is

Question # 25

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

Question # 26

Vegetable oils are

Question # 27

Which of the following is not a synthetic polymer?

Question # 28

The development of disagreeable odur in fats or oil is called

Question # 29

The substance upon which an enzyme acts is known as its

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Bakelite is obtained from phenol by reacting with
A. Acetaldehyde
B. Acetal
C. Formaldehyde
D. Chlorobenzene
2 The stroids of fungi and yeast and yeast are called:
A. Vitamin D
B. Vitamin D2
C. Ergostrol
D. Cholestrol
3 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
4 Simple sugars are :
A. Monosaccharides
B. Disaccharides
C. Oligo saccharides
D. Trisaccharides
5 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
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 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
8 At what pH glycine shows the structure H3N+-- CH2-- COOH
A. 2
B. 7
C. 10
D. 14
9 How is the secondary structure of protein stabilized
A. Through hydrogen bonding
B. Through ionic bonding
C. Through van der wall forces
D. Through covalent bonding
10 There are 20 amino acids found in protein which is not the property of these amino acids
A. They are allα-amino acids
B. They are all optically active
C. They have high decomposition point
D. They are water soluble

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