Question # 1

Essential components of every living all are.

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Nucleic acids

Enzymes

Lipids

Cell wall

Lipids are macromolecules. They have characteristics except one of the following.

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They are high energy foods.

They are soluble in water.

They are poor conductor of heat.

They are esters of fatty acids.

Which of the following is fat soluble vitamin?

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Vitamin A

Vitamin E

Vitamin K

All of these

In hydrogenation of vegetable oil catalyst employed is.

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Ni

Pt

ZnO

Cr₂O₃

Chemical formula of amino group is

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NH₃

NH₂

NH₄

COOH

Denaturing of protein is caused by.

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Heating

Changing pH

Both of them

None of these

Which of the following is tasteless?

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Starch

glucose

Fructose

Sucrose

A bound formed between two amino acids is:

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Peptide linkage

Covalent bound

Hydrogen bound

Glycosidic linkage

Plants produces by the photosynthesis process.

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Glucose

Fructose

Sucrose

Maltose

Which one is a pentahydroxy ketone?

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sucrose

glucose

fructose

lactose

Which helps in lowering of cholesterol level?

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Vitamin

Fiber

Carbohydratres

All of them

Which one of the following is a fat soluble vitamin?

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A

E

K

All of these

Which is a hereditary material?

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DNA

RNA

Protein

All of them

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