Question # 1

Which of the following element is not present in all proteins

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Carbon

hydrogen

Nitrogen

Sulphur

A carbohydrate that cannot be acid hydrolysed is called.

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Monosaccharides

Di saccharides

Poly saccharides

Starch

Which of these polymers is a synthetic polymer

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Animal fat

Starch

Cellulose

Polyester

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

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Fiber

Plastic

Varnish

Polyamid resin

The length of the polymer chain is specified by the number of repeating units which is called.

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Condensation

Co-polymerization

Iodine number

Degree of polymerization

Which one of the following polymers is called a polyamide

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Nylon

Rayon

Terylene

Orlon

Fats are

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Saturated glycerides

Unsaturated glycerides

Polyhydroxy ketose

Polyhydroxy aldose

Vegetable oils are

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Polyesters

Glycerides of unsaturated fatty acids

Essential oils

Fatty acids

Which of these polymers is an addition polymer

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Nylon 6, 6

polystyrene

Terylene

epoxy resin

Starch is polymer is

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Fructose

a -d Glucose

Sucrose

B-D-Glucose

Lactose has same molecular formula as

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Glucose

Fructose

Ribose

Maltose

The reaction between fat and NaOH is

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Estrification

Hydrogenolysis

Fermentation

Saponification

Some non protein portion attached to the protein is called.

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Prosthetic group

Secondary protein

Transport protein

All of these

The amount of free fatty acid in fats and oil is determined by

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Iodine number

Acid number

Saponification number

Gold number

Cholesterol is an important precursor in the biosynthesis of

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Sex harmonies

Adrenal hormones

Vitamin D

All of these

Which sugar is called milk sugar

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Glucose

Fructose

Lactose

Maltose

Which of the following lipids does not have glycerol backbone.

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Fat

Oil

Cholesterol

Phospholipid

Plastics are a pollution problem because many plastics

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Are made from petroleum

Are very inflammable

Burn to produce toxic fumes

Decompose to produce toxic products

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