Question # 1

The fibre which is made form acrylonitrile as monomer

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PVC

Rayon fibre

Acrylic fibre

Polyester fibre

When a nitrogeneous base combine with a sugar it is called

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Ribose

Nucleotides

Nucleoside

None

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

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Polyethene

Polystyrene

Neoprene

Terylene

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

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Urease

Maltase

Zymase

Lypase

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

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Fructose

Starch

Glucose

Cellulose

Teflon, styron and neoprene are all

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Copolymers

Condensation polymers

Homopolymers

Monomers

Protein may have

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Primary structure

Secondary structure

Tertiary structure

All of these

Enzymes are

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Proteins

Minerals

Oils

Fatty acids

Which of the following is not a synthetic polymer?

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Polyethylene

PVC

Nylon

Cellophane

Which is not a steroid

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Cholesterol

Ergosterol

Phospholipids

None of these

Which of the following brings about the conversion of starch into maltose

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Maltase

Zymase

Diatase

Invertase

Monosaccharides are

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Aldoses

Ketoses

Either a and b

None of these

Which property is not present in lipids?

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Liquid

Solid or semi solid

Soluble in water

Form emultion

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

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Fiber

Plastic

Vanish

Polyamide resin

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

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Elastomers

Fibres

Thermoplactics

Thermosetting polymers

The proteins which are derived by conjugated proteins are called as

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Simple protein

Complex protein

Derived protein

None

Denaturation of protein means the structure of protein is disrupted, indicate which factor foes not denature protein

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Heating protein

pH changes

Oxidising agent

Keeping pH 7.35

In fructose the possible optical isomers are

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12

8

16

4

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

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Carbon

Hydrogen

Nitrogen

Sulphur

The three dimensional folding and twisting of a polypeptide chain give rise to

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Primary structure

Secondary structure

Tertiary structure

All of these tertiary

Two vitamins absorbed from intestine along with fats are

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A, D

A, B

A, C

D, B

The digestion of fats in the intestines is aided by

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Diffusion

Protection

Peptization

Emulsification

Poly hydroxyl compounds of aldehyde and ketones are:

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Carbohydrates

Proteins

Fats

Lipids

Which of the following is a polyamide?

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Nylon

Orlon

Teflon

Terylene

The development of disagreeable odur in fats or oil is called

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Fragrance

Perfume

Rancidity

Smell

Enzymes are chemically

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Carbohydrates

Proteins

Fatty acids

Phospholipids

Which of these polymers is an addition polymer?

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Nylon-6,6

Polystrene

Terylene

Epoxy resin

The reagent which forms crystalline osazone derivative when treated with glucose is

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Fehling solution

Phenyl hydrazine

Benedict solution

Hydroxyl amine

Hydrolysis of sucrose is called

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Inhibition

Saponification

Inversion

Hydration

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

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Three

Four

One

Two

The other name of cross linked polymers is

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Linear polymer

Branched polymer

Inter connected polymers

None of these

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ECAT Chemistry Chapter 25 Macromolecules Online Test MCQs With Answers

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