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 these polymers is an addition polymer

Question # 2

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

Question # 3

The group linkage present in fats is

Question # 4

Vegetable oils are

Question # 5

The stroids of fungi and yeast and yeast are called:

Question # 6

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

Question # 7

How is the secondary structure of protein stabilized

Question # 8

Of the following which is a step growth polymer

Question # 9

The monomeric units of starch is/are

Question # 10

Factors affecting denaturation of proteins:

Question # 11

The product of addition polymerization reaction is

Question # 12

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

Question # 13

Monosaccharides and oligosacchradies are generally called as

Question # 14

Vegetable oils are

Question # 15

Bakelite is a product formed form

Question # 16

Which of these polymers is an addition polymer

Question # 17

Simple sugars are :

Question # 18

The metal present in blood is

Question # 19

Which of the following is not present in RNA?

Question # 20

Which of the following has magnesium?

Question # 21

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

Question # 22

β-D-glucose is a monomer for

Question # 23

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

Question # 24

For every reaction occurring in the body three is at least one type of

Question # 25

The high molecular weight materials which yield on hydrolysis the amino acids is called:

Question # 26

Vitamin A is present in

Question # 27

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

Question # 28

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

Question # 29

The digestion of fats in the intestines is aided by

Question # 30

Which of the following is a water soluble vetamin?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Which of the following polymers is used for weather resistant paints
A. Arcylic resins
B. Polyvinyl acetate
C. Polystyrene
D. PVC
2 Plastics are a pollution problem because many plastics
A. Are made from petroleum
B. Are very inflammable
C. Burn to produce toxic fumes
D. Decompose to produce toxic products
3 Which of the following enzymes brings about the hydrolysis of fats?
A. Urease
B. Maltase
C. Zymase
D. Lypase
4 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene
5 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
6 The fiber which is made from acrylonitrile as monomer:
A. PVC
B. Rayon Fiber
C. Acrylic fiber
D. Polyester fiber
7 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
8 A fibre which is made from acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
9 Hydrolysis of sucrose is called
A. Inhibition
B. Saponification
C. Inversion
D. Hydration
10 Activity of the enzyme is reduced by
A. Temperature
B. Concentration
C. pH
D. Inhibitors

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