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 nucleoside may be

Question # 2

Of the following which is a step growth polymer

Question # 3

An oil or fat with no double bond have iodine number:

Question # 4

When a nitrogeneous base combine with a sugar it is called

Question # 5

Two or more similar monomers combine to form:

Question # 6

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

Question # 7

The temp. and pressure used for PVC polymerization is

Question # 8

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

Question # 9

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

Question # 10

Polyester resins have special use in:

Question # 11

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

Question # 12

The reaction between fat and NaOH is called:

Question # 13

Purine derivative among the following bases is

Question # 14

Which of the following is a biodegradable polymer?

Question # 15

Synthetic polymer prepared from caprolactum is known is

Question # 16

The other name of cross linked polymers is

Question # 17

On hydrolysis of starch, we finally get

Question # 18

Poly hydroxyl compounds of aldehyde and ketones are:

Question # 19

Which of the following is a constituent of nylon?

Question # 20

A fat or oil is characterised for extent of unsaturation by one of the following number, which one

Question # 21

Which of the following is fully fluorinated polymer?

Question # 22

Enzymes are

Question # 23

Which of the following is not present in nucleotide?

Question # 24

Which is not a steroid

Question # 25

A polymer may be

Question # 26

In macromolecules DP stands for

Question # 27

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

Question # 28

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

Question # 29

Activity of the enzyme is reduced by

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 A polymer may be
A. Linear
B. Branched
C. Cross linked
D. All of these
2 The reagent which forms crystalline osazone derivative when treated with glucose is
A. Fehling solution
B. Phenyl hydrazine
C. Benedict solution
D. Hydroxyl amine
3 The reaction between fat and NaOH is called:
A. Esterification
B. Hydrogenolysis
C. Fermentation
D. Sponification
4 Bakelite is a product formed form
A. Reaction of formaldehyde with phenol
B. Reaction of polyethylene with phenol
C. Reaction of polypropylene with acid
D. It is a natural product
5 A nucleoside may be
A. Ribonuleoside
B. Deoxyribonucleoside
C. Both a and b
D. None
6 Copolymer is
A. Nylon-6
B. Nylon 66
C. PMMA
D. Polyethene
7 Polyester resins have special use in:
A. Clothing
B. Paints
C. Emulsion
D. Floor covering
8 Vegetables oils are:
A. Unsaturated fatty acids
B. Glycerides of unsaturated fatty acids
C. Essential oils obtained form plants
D. None of these
9 In fructose the possible optical isomers are
A. 12
B. 8
C. 16
D. 4
10 Polysaccharides are also called
A. Crystals
B. Sugars
C. Liquids
D. None sugars

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