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

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

Question # 2

Glyptal polymer is obtained from glycerol on reacting with

Question # 3

Major food factors are:

Question # 4

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

Question # 5

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

Question # 6

Hydrolysis of sucrose is called

Question # 7

Which one of the following statements of glucose and sucrose is incorrect?

Question # 8

Which is the polymer that has amide linkage in its structure

Question # 9

Vegetable oils are

Question # 10

Iodine value of an oil or fat may be defined as

Question # 11

Purine derivative among the following bases is

Question # 12

Vegetables oils are:

Question # 13

There are 20 amino acids found in protein which is not the property of these amino acids

Question # 14

A polymer may be

Question # 15

Which one of the following is the most abundant organic substance found in nature

Question # 16

A polymer may be

Question # 17

Among the following polymers, the strongest molecular forces are present in

Question # 18

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

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

Glycogen is stored in

Question # 23

Teflon, styron and neoprene are all

Question # 24

The development of disagreeable odur in fats or oil is called

Question # 25

The temp. and pressure used for PVC polymerization is

Question # 26

Which one is a polymer compound?

Question # 27

Two or more similar monomers combine to form:

Question # 28

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

Question # 29

Monosaccharides belong to the group

Question # 30

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

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide
A. Phosphate group
B. Deoxy ribose sugar
C. Uracil base
D. Adenine base
2 Cotton has cellulose in it:
A. 96%
B. 97%
C. 98%
D. 99%
3 Which of the following is not present in nucleotide?
A. Guanine
B. Cytosine
C. Adenine
D. Tryoxine
4 A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a
A. Fibre
B. Plastic
C. Varnish
D. Polyamide resin
5 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
6 When a nitrogeneous base combine with a sugar it is called
A. Ribose
B. Nucleotides
C. Nucleoside
D. None
7 Which teat is not given by both glucose and fructose
A. Give yellow ppt of CHl3with alkaline aqueous iodine
B. With 2, 4-DNPH give yellow ppt of hydrazone
C. Evolve H2gas with Na metal
D. Oxidised with [Ag(NH3)2]+i.e. Tollen's reagent
8 Glyptal polymer is obtained from glycerol on reacting with
A. Malonic acid
B. Phthalic acid
C. Maleic acid
D. Acetic acid
9 Natural rubber is a polymer of
A. Butadiene
B. Ethyne
C. Styrene
D. Isoprene
10 Which one of the following is a water soluble vitamin
A. Niacin
B. Riboflavin
C. Tyrosine
D. Ascorbic acid

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