Question # 1

The fibre which is made form acrylonitrile as monomer

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PVC

Rayon fibre

Acrylic fibre

Polyester fibre

The group linkage present in fats is

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Peptide linkage

Ester linkage

Glycosidic linkage

None of these

Synthetic polymer prepared from caprolactum is known is

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Nylon 610

Teflon

Terylene

Nylon-6

Of the following which is a step growth polymer

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Bakelite

Polyethylene

Teflon

PVC

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

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Polyethene

Polystyrene

Neoprene

Terylene

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

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Thermoplastic

Thermosetting

Both a and b

None

Substances that render enzymes catalytically inactive are called

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Conenzymes

Substrates

Inhibitors

Apoezymes

Hydrolysis of sucrose is called

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Inhibition

Saponification

Inversion

Hydration

Polymer formation from monomers starts by

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Condensation reaction between monomers

Coordination reaction between monomers

Conversion of monomer to monomer ions by protons

Hydrolysis of monomers

Which of the following is a polyamide?

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Nylon

Orlon

Teflon

Terylene

A polymer may be

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Linear

Branched

Cross linked

All of these

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

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Zero

100%

50%

Minimum

The polymers which can not be re-softened again and again are called

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Thermoplastic

Thermosetting

Both a and b

None

Which of the following has ester linkage?

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Nylon

Bakelite

Terylene

PVC

Vitamin A is present in

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Liver

Milk

Green vegetables

All

Which of the following is not present in nucleotide?

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Guanine

Cytosine

Adenine

Tryoxine

The substance upon which an enzyme acts is known as its

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Domain

Field

Substrate

Reactant

The reaction between fat and NaOH is called

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Esterification

Hydrogenolysis

Fermentation

Saponification

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ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers

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