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

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

Question # 2

The prosthetic group in glycoprotein is

Question # 3

Polysaccharides are also called

Question # 4

DNA has deoxyribose, a base and the third component is

Question # 5

Which of the following is a polyamide?

Question # 6

Factors affecting denaturation of proteins:

Question # 7

The simplest separating unit of a polymer is called:

Question # 8

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

Question # 9

Which of the following is not present in RNA?

Question # 10

A fibre which is made from acrylonitrile as monomer

Question # 11

The proteins which are derived by conjugated proteins are called as

Question # 12

Monosaccharides are

Question # 13

Which of the following statements is incorrect about vitamins

Question # 14

Polyester resins have special use in:

Question # 15

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

Question # 16

A polymer may be

Question # 17

Vegetable oils are

Question # 18

What is the most common catalyst used in hydrogenation of oils

Question # 19

Enzymes are

Question # 20

Enzymes, in the living systems

Question # 21

Which of the following is the repeating monomeric unit in cellulose

Question # 22

Substances that render enzymes catalytically inactive are called

Question # 23

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

Question # 24

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

Question # 25

Which carbohydrates is an essential constituent of plant cells?

Question # 26

The group linkage present in fats is

Question # 27

The product of addition polymerization reaction is

Question # 28

The temp. and pressure used for PVC polymerization is

Question # 29

Natural rubber is a polymer of

Question # 30

Ricket is caused due to the deficiency of vitamin

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 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
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 Orlon is a polymer of
A. Tetrafluoroethylene
B. Acrylonitrile
C. Ethanoic acid
D. Benzene
4 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
5 An example of water soluble vitamin is
A. Vitamin D
B. Vitamin E
C. Vitamin A
D. Vitamin C
6 A fat or oil is characterised for extent of unsaturation by one of the following number, which one
A. Rancidity number
B. Acid number
C. Iodine number
D. Saponicfication number
7 One of the followings is not type of polymer
A. Homopolymer
B. Copolymer
C. Heteropolymer
D. Terpolymer
8 The stroids of fungi and yeast and yeast are called:
A. Vitamin D
B. Vitamin D2
C. Ergostrol
D. Cholestrol
9 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
10 Which functional group is present in glycerol tristearate
A. Carboxylic acid
B. Alcohol
C. Aldehyde
D. Ester

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