Question # 1

Soft drinks and baby feeding bottles are generally made up of

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Polyester

Polyurethane

Polyurea

Polystyrene

Sterols, vitamin D and terpenese belong to

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Simple lipids

Complex lipids

Derived lipids

None

Major food factors are:

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Fats and oils

Carbohydrates

Protiens

All of these

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

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Polyethene

Polystyrene

Neoprene

Terylene

The prosthetic group in glycoprotein is

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Carbohydrate

Fat

Vitamin

Nucleic acid

Which is the polymer that has amide linkage in its structure

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PVC

Poly ethene

Polyester

Nylon

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

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Urease

Maltase

Zymase

Lypase

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

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Urease

Maltase

Zymase

Lypase

Glycine at pH7 has the structure

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H₂N -- CH₂-- COOH

H₃N⁺-- CH₂-- COOH

H₂N -- CH₂COO^-

H₃N⁺-- CH₂-- COO^-

The digestion of fats in the intestines is aided by

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Diffusion

Protection

Peptization

Emulsification

Cotton is ______% cellulose

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90

100

99

30

The reaction between fat and NaOH is called:

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Esterification

Hydrogenolysis

Fermentation

Sponification

Vegetable oils are

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Unsaturated fatty acids

Glycerides of unsaturated fatty acids

Glycerides of saturated fatty acids

Essential oils obtained from plants

Which of the following is not a synthetic polymer?

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Polyethylene

PVC

Nylon

Cellophane

Vegetable oils are

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Unsaturated fatty acids

Glycerides of unsaturated fatty acids

Glyccerides of saturated fatty acids

Essential oils obtained from plants

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 is obtained by condensation polymerization?

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Polyethene

Teflon

Phenol formaldehyde resin

Nitrile rubber

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

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