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

The monomeric units of starch is/are

Question # 2

Substances that render enzymes catalytically inactive are called

Question # 3

Which of the following elements is not present in all proteins?

Question # 4

Bakelite is a product formed form

Question # 5

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

Question # 6

Two vitamins absorbed from intestine along with fats are

Question # 7

The other name of cross linked polymers is

Question # 8

Activity of the enzyme is reduced by

Question # 9

A condensation polymer among the following is

Question # 10

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

Question # 11

Vegetables oils are:

Question # 12

Vegetable oils are

Question # 13

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 14

Iodine value of an oil or fat may be defined as

Question # 15

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

Question # 16

When a nitrogeneous base combine with a sugar it is called

Question # 17

C6H12O6 is molecualr formula of:

Question # 18

Which of these polymers is a synthetic polymer?

Question # 19

Which one of the following is a water soluble vitamin

Question # 20

Which is a protein?

Question # 21

Which of the following is a constituent of nylon?

Question # 22

DNA has deoxyribose, a base and the third component is

Question # 23

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

Question # 24

Monosaccharides belong to the group

Question # 25

The raw material to form nylon is

Question # 26

Which polymerization is free radical machanism based

Question # 27

Enzymes, in the living systems

Question # 28

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

Question # 29

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

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 Which of the following has magnesium?
A. Carbonic anhydrase
B. Haemocyanin
C. chlorophyll
D. Vitamin B12
2 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
3 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
4 Enzymes catalyse all biological reactions occurring in the cell. What is true about an enzyme
A. Enzyme is a small molecule
B. Enzyme is acidic in nature
C. Enzyme is a protein
D. Enzyme is a lipid
5 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
6 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
7 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
8 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
9 Which one is a polymer compound?
A. SO2
B. CO2
C. CH4
D. PVC
10 A polymer may be
A. Homopolemer
B. Co-polymer
C. Terpolymer
D. All of these

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