Question # 1

The monomeric units of starch is/are

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Glucose

Fructose

Glucose and fructose

Mannose

What is the most common catalyst used in hydrogenation of oils

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Cobalt

Nickel

Tungsten

Copper

The disaccharide present in milk is

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Sucrose

Maltose

Lactose

Cellobiose

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

Which is the polymer that has amide linkage in its structure

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PVC

Poly ethene

Polyester

Nylon

Which of the following is a constituent of nylon?

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Adipic acid

Styrene

Teflon

None of these

Terylene is madeby polymerization of terephthalic acid with

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Ethylene glycol

Phenol

Ethanol

Catechol

Glycogen is stored in

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Animals

Plants

Soil

None of these

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

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Fibre

Plastic

Varnish

Polyamide resin

A condensation polymer among the following is

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Dacron

PVC

Polysterene

Teflon

DNA is a polynucleic acid. The monomer is known as a nucleotide. What is not the component of the nucleoptide

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Phosphate group

Deoxy ribose sugar

Uracil base

Adenine base

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

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Fehling solution

Phenyl hydrazine

Benedict solution

Hydroxyl amine

Simple sugars are :

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Monosaccharides

Disaccharides

Oligo saccharides

Trisaccharides

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

Which carbohydrates is an essential constituent of plant cells?

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Starch

Cellulose

Sucrose

Vitamins

How is the secondary structure of protein stabilized

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Through hydrogen bonding

Through ionic bonding

Through van der wall forces

Through covalent bonding

Enzymes are catalysts which contain other than carbon and hydrogen one other element

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Oxygen

Sulphur

Phosphorus

Iodine

Enzymes are

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Proteins

Minerals

Oils

Fatty acids

Which has maximum protein content?

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Ground nut

Cow milk

Egg

Wheat

The fibre which is made form acrylonitrile as monomer

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PVC

Rayon fibre

Acrylic fibre

Polyester fibre

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

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Carbon

Hydrogen

Nitrogen

Sulphur

Which of these polymers is a synthetic polymer

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Animal fat

Starch

Cellulose

Polyester

Which property is not present in lipids?

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Liquid

Solid or semi solid

Soluble in water

Form emultion

Which of the following is an example of ketohexose?

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Mannose

Galactose

Maltose

Fructose

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

Soft drinks and baby feeding bottles are generally made up of

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Polyester

Polyurethane

Polyurea

Polystyrene

For every reaction occurring in the body three is at least one type of

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Enzyme

Vitamin

Protein

Amino acid

Which of the following has ester linkage?

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Nylon

Bakelite

Terylene

PVC

Which of the following is a steroid

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Vitamin A

Vitamin B

Vitamin C

Vitamin D

On hydrolysis of starch, we finally get

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Glucose

Fructose

Both

Sucrose

Cellulose does:

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Satisfy human appetite

Stimulates intestinal peristalsis

Gives fibre and bulk to the food

All of these

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