Question # 1

Which of these polymers is an addition polymer

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Nylon 6,6

Polystyrene

Terylene

Epoxy resin

The clotting time of blood is increased due to the deficiency of

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Vitamin A

Vitamin K

Vitamin D

Vitamin C

A sequence of how many nucleotides in massenger RNA makes a codon for an amino acid

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Three

Four

One

Two

Which is not an enzyme

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Transverses

Lipase

Lyase

None of these

Bakelite is a product formed form

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Reaction of formaldehyde with phenol

Reaction of polyethylene with phenol

Reaction of polypropylene with acid

It is a natural product

A polymer may be

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Linear

Branched

Cross linked

All of these

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

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

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Rancidity number

Acid number

Iodine number

Saponicfication number

Polyester resins have special use in:

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Clothing

Paints

Emulsion

Floor covering

Which of the following is a biodegradable polymer?

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Cellulose

Polyethene

Polyvinyl chloride

Nylon-6

Natural rubber is a polymer of

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Butadiene

Ethyne

Styrene

Isoprene

The disaccharide present in milk is

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Sucrose

Maltose

Lactose

Cellobiose

Nylon, 6,6 is a condensation polymer of

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Adipic acid and glycol

Phthalic acid and glycol

Adipic acid and hexaethylene diamine

Pthalic acid and hexaethylene diamine

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

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Elastomers

Fibres

Thermoplactics

Thermosetting polymers

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

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Neoprene

Bunna-S

PMMA

Glyptal

Which of the following has ester linkage?

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Nylon

Bakelite

Terylene

PVC

Ascorbic acid is a chemical name of

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Vitamin D

Vitamin A

Vitamin C

Vitamin B₆

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

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Thermoplastic

Thermosetting

Both a and b

None

Which is the polymer that has amide linkage in its structure

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PVC

Poly ethene

Polyester

Nylon

Enzymes are

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Proteins

Minerals

Oils

Fatty acids

Monosaccharides belong to the group

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Lipids

Fats

Proteins

Carbohydrates

The metal present in blood is

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Al

Hg

Cu

Fe

A polymer may be

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Homopolemer

Co-polymer

Terpolymer

All of these

Teflon, styron and neoprene are all

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Copolymers

Condensation polymers

Homopolymers

Monomers

Organic synthetic or man made polymers are plastics, rubber and fibre. Which is not a synthetic polymer

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Silk

Polyester

Polyvinyl chloride

Nylon

DNA has deoxyribose, a base and the third component is

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Phosphoric acid

Ribose

Adenine

Thymine

The simplest separating unit of a polymer is called:

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Monomer

Dimer

Trimmer

Macromer

C₆H₁₂O₆ is molecualr formula of:

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Glucose

Dextrose

Fructose

All of these

Substances that render enzymes catalytically inactive are called

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Conenzymes

Substrates

Inhibitors

Apoezymes

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

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Urease

Maltase

Zymase

Lypase

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ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers

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