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

An example of water soluble vitamin is

Question # 2

Which of the following is not present in RNA?

Question # 3

Cotton is ______% cellulose

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Vegetables oils are:

Question # 8

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

Question # 9

In fructose the possible optical isomers are

Question # 10

Which of the following fibres are made of polyamides?

Question # 11

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

Question # 12

Which of the following is a constituent of nylon?

Question # 13

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

Question # 14

Purine derivative among the following bases is

Question # 15

Macromolecules or polymers are large molecules built up from small molecules called monomers. This hypothesis put forward by

Question # 16

The metal present in blood is

Question # 17

The protein which only yield amino acids and their derivatives

Question # 18

Monosaccharides and oligosacchradies are generally called as

Question # 19

The reaction between fat and NaOH is called:

Question # 20

Ricket is caused due to the deficiency of vitamin

Question # 21

The stroids of fungi and yeast and yeast are called:

Question # 22

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

Question # 23

RNA is a polymer of nucleotide which consist of three components. Which one is not the component in the nucleotide of an RNA

Question # 24

On hydrolysis of starch, we finally get

Question # 25

Simple sugars are :

Question # 26

Natural rubber is a polymer of

Question # 27

Bakelite is obtained from phenol by reacting with

Question # 28

The reaction between fat and NaOH is called

Question # 29

Which teat is not given by both glucose and fructose

Question # 30

The simplest separating unit of a polymer is called:

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Synthetic polymer prepared from caprolactum is known is
A. Nylon 610
B. Teflon
C. Terylene
D. Nylon-6
2 Which of these polymers is an addition polymer
A. Nylon 6,6
B. Polystyrene
C. Terylene
D. Epoxy resin
3 Two or more similar monomers combine to form:
A. Homopolymer
B. Copolymer
C. Ter polymer
D. Thermoplastic polymers
4 The development of disagreeable odur in fats or oil is called
A. Fragrance
B. Perfume
C. Rancidity
D. Smell
5 On hydrolysis of starch, we finally get
A. Glucose
B. Fructose
C. Both
D. Sucrose
6 Naturally occurring lipids are called
A. Fats
B. protein
C. Steroids
D. None
7 The raw material to form nylon is
A. Adipic acid
B. Butadiene
C. Isoprene
D. Ethylene
8 DNA has deoxyribose, a base and the third component is
A. Phosphoric acid
B. Ribose
C. Adenine
D. Thymine
9 Vitamin A is present in
A. Liver
B. Milk
C. Green vegetables
D. All
10 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

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