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

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

Question # 2

The substance upon which an enzyme acts is known as its

Question # 3

Which of the following is the repeating monomeric unit in cellulose

Question # 4

Hydrolysis of sucrose is called

Question # 5

Which of the following is fully fluorinated polymer?

Question # 6

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

Question # 7

Which one is a polymer compound?

Question # 8

Two vitamins absorbed from intestine along with fats are

Question # 9

Which is not a steroid

Question # 10

What is not true about DNA

Question # 11

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

Question # 12

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

Question # 13

Enzymes are chemically

Question # 14

Which of the following fibres are made of polyamides?

Question # 15

Glycine at pH7 has the structure

Question # 16

Which of these polymers is a synthetic polymer?

Question # 17

Which one of the following is a water soluble vitamin

Question # 18

Iodine value of an oil or fat may be defined as

Question # 19

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

Question # 20

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

Question # 21

Which is the polymer that has amide linkage in its structure

Question # 22

Which property is not present in lipids?

Question # 23

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

Question # 24

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

Question # 25

DNA has deoxyribose, a base and the third component is

Question # 26

Vegetable oils are

Question # 27

Bakelite is a product formed form

Question # 28

Orlon is a polymer of

Question # 29

Glycogen is stored in

Question # 30

Which of the following is an example of ketohexose?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 The number of amino acids found in proteins that a human body can synthesize is
A. 20
B. 10
C. 5
D. 14
2 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
3 The protein which only yield amino acids and their derivatives
A. Simple proteins
B. Complex proteins
C. Derived protein
D. All of these
4 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
5 Glycine at pH7 has the structure
A. H2N -- CH2 -- COOH
B. H3N+-- CH2-- COOH
C. H2N -- CH2COO-
D. H3N+-- CH2-- COO-
6 The monomeric units of starch is/are
A. Glucose
B. Fructose
C. Glucose and fructose
D. Mannose
7 The temp. and pressure used for PVC polymerization is
A. 10°C and 10 atm
B. 20°C and 20 atm
C. 52°C and 9 atm
D. 100°C and 10 atm
8 Which one of the following is a water soluble vitamin
A. D
B. K
C. A
D. Ascorbic acid (Vic C)
9 Which of the following brings about the conversion of starch into maltose
A. Maltase
B. Zymase
C. Diatase
D. Invertase
10 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

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