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

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

Question # 2

The polymers which can be re-softened again and again are caled

Question # 3

Which of the following is a water soluble vetamin?

Question # 4

Simple sugars are :

Question # 5

Enzymes are chemically

Question # 6

Which of these polymers is a synthetic polymer?

Question # 7

Cotton is ______% cellulose

Question # 8

Protein are classified into

Question # 9

At what pH glycine shows the structure H3N+-- CH2-- COOH

Question # 10

Purine derivative among the following bases is

Question # 11

Bakelite is a product formed form

Question # 12

Molar mass of high molecular w.f. polymers ranges from:

Question # 13

The reaction between fat and NaOH is called:

Question # 14

Major food factors are:

Question # 15

Soft drinks and baby feeding bottles are generally made up of

Question # 16

Which of the following fibres are made of polyamides?

Question # 17

When a nitrogeneous base combine with a sugar it is called

Question # 18

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

Question # 19

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

Question # 20

Which is a protein?

Question # 21

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

Question # 22

In which of these processes are smell organic molecules made into macromolecules?

Question # 23

Which of the following is a constituent of nylon?

Question # 24

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

Question # 25

The fiber which is made from acrylonitrile as monomer:

Question # 26

Which one is a polymer compound?

Question # 27

The reaction between fat and NaOH is called

Question # 28

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

Question # 29

Which of the following is the repeating monomeric unit in cellulose

Question # 30

Of the following which is a step growth polymer

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ECAT Chemistry Chapter 25 Important MCQ's

Sr.# Question Answer
1 Among the following polymers, the strongest molecular forces are present in
A. Elastomers
B. Fibres
C. Thermoplactics
D. Thermosetting polymers
2 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
3 A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid
A. Three
B. Four
C. One
D. Two
4 Terylene is madeby polymerization of terephthalic acid with
A. Ethylene glycol
B. Phenol
C. Ethanol
D. Catechol
5 Purines include
A. Adenine
B. Guanine
C. Both a and b
D. None
6 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
7 Which of these polymers is an addition polymer?
A. Nylon-6,6
B. Polystrene
C. Terylene
D. Epoxy resin
8 Which has maximum protein content?
A. Ground nut
B. Cow milk
C. Egg
D. Wheat
9 In which of these processes are smell organic molecules made into macromolecules?
A. The cracking of petroleum fractions
B. The fractional distillation of crude oil
C. The polymerization of ethane
D. The hydrolysis of proteins
10 Which of the following is not an example of addition polymer?
A. Polyethene
B. Polystyrene
C. Neoprene
D. Terylene

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