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

A condensation polymer among the following is

Question # 2

Iodine value of an oil or fat may be defined as

Question # 3

Which of these polymers is a synthetic polymer?

Question # 4

Plastics are a pollution problem because many plastics

Question # 5

A polymer may be

Question # 6

When a nitrogeneous base combine with a sugar it is called

Question # 7

Which is a protein?

Question # 8

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

Question # 9

Which functional group is present in glycerol tristearate

Question # 10

Hydrolysis of sucrose is called

Question # 11

Which has maximum protein content?

Question # 12

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

Question # 13

Enzymes are catalysts which contain other than carbon and hydrogen one other element

Question # 14

Simple sugars are :

Question # 15

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

Question # 16

What is the most common catalyst used in hydrogenation of oils

Question # 17

Cotton is ______% cellulose

Question # 18

Which polymerization is free radical machanism based

Question # 19

Plastics are a pollution problem because many plastics

Question # 20

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

Question # 21

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

Question # 22

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

Question # 23

Enzymes, in the living systems

Question # 24

Which one of the following is a water soluble vitamin

Question # 25

Synthetic polymer prepared from caprolactum is known is

Question # 26

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

Question # 27

Which of these polymers is a synthetic polymer

Question # 28

Major food factors are:

Question # 29

Bakelite is obtained from phenol by reacting with

Question # 30

Which of the following is a molecular diseases?

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
2 Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein
A. Heating protein
B. pH changes
C. Oxidising agent
D. Keeping pH 7.35
3 The fibre which is made form acrylonitrile as monomer
A. PVC
B. Rayon fibre
C. Acrylic fibre
D. Polyester fibre
4 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
5 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
6 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
7 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
8 Which is not an enzyme
A. Transverses
B. Lipase
C. Lyase
D. None of these
9 Which of the following is a water soluble vetamin?
A. Niacin
B. Riboflavin
C. Trypsin
D. Ascorbic acid
10 An oil or fat with no double bond have iodine number:
A. Zero
B. 100%
C. 50%
D. Minimum

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