Question # 1

Polyester resins have special use in:

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Clothing

Paints

Emulsion

Floor covering

Which one is a polymer compound?

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SO₂

CO₂

CH₄

PVC

Which of the following is not a synthetic polymer?

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Polyethylene

PVC

Nylon

Cellophane

Orlon is a polymer of

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Tetrafluoroethylene

Acrylonitrile

Ethanoic acid

Benzene

Iodine value of an oil or fat may be defined as

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The number of grams of iodine taken up by 1 g of the oil or fat

The number of grams of iodine taken by 10 g of the oil or fat

The number of grams of iodine taken by 100 g of the oil or fat

None of the above

The protein which only yield amino acids and their derivatives

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Simple proteins

Complex proteins

Derived protein

All of these

The disaccharide present in milk is

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Sucrose

Maltose

Lactose

Cellobiose

In fructose the possible optical isomers are

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12

8

16

4

On hydrolysis of starch, we finally get

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Glucose

Fructose

Both

Sucrose

One of the followings is not type of polymer

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Homopolymer

Copolymer

Heteropolymer

Terpolymer

Monosaccharides and oligosacchradies are generally called as

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Crystals

Sugars

Liquids

Non-sugars

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

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Carbon

Hydrogen

Nitrogen

Sulphur

Which of the following is a water soluble vetamin?

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Niacin

Riboflavin

Trypsin

Ascorbic acid

The reaction between fat and NaOH is called:

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Esterification

Hydrogenolysis

Fermentation

Sponification

Factors affecting denaturation of proteins:

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Change in temp and pH

Strong reducing agent

Strong oxidizing agent

All of these

Purine derivative among the following bases is

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Thymine

Uracil

Guanine

Cytosine

An example of water soluble vitamin is

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Vitamin D

Vitamin E

Vitamin A

Vitamin C

What is not true about DNA

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It preserve genetic information

To relicates

Synthesized protein

It has a linear structure

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

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 number of amino acids found in proteins that a human body can synthesize is

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20

10

5

14

Which one of the following is a water soluble vitamin

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Niacin

Riboflavin

Tyrosine

Ascorbic acid

Vegetables oils are:

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Unsaturated fatty acids

Glycerides of unsaturated fatty acids

Essential oils obtained form plants

None of these

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

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Polyethene

Polystyrene

Neoprene

Terylene

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

Cotton has cellulose in it:

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96%

97%

98%

99%

Which one of the following is a water soluble vitamin

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D

K

A

Ascorbic acid (Vic C)

Which of these polymers is an addition polymer?

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Nylon-6,6

Polystrene

Terylene

Epoxy resin

Soft drinks and baby feeding bottles are generally made up of

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Polyester

Polyurethane

Polyurea

Polystyrene

Copolymer is

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Nylon-6

Nylon 66

PMMA

Polyethene

Hydrolysis of sucrose is called

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Inhibition

Saponification

Inversion

Hydration

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