Question # 1

The basic element of organic compound is

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Hydrogen

Carbon

Nitrogen

Oxygen

Lactose is a

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Mono saccharides

Oli saccharides

Poly saccharides

Pectin

The mRNA of the total cell RNA is above

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3-4 %

1-2%

2-4%

3-5%

The specific heat of vaporization of water Kcal/kg is

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457 kcal/kg

574 kcal/kg

547 kcal/kg

475 kcal/kg

The melting point of Palmitic acid is.

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-8^oC

34 ^oC

63.1^oC

55.6^oC

Which one of the following kinds of atom does not occur in carbohydrates

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Carbon

Hydrogen

Nitrogen

Oxygen

Percentage of carbohydrates in mammalian cell

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1%

2%

3%

4%

Glycerol is the back bone molecule for

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Disaccharides

DNA

Triglycerides

ATP

The potential source of chemical energy cellular activities.

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C-H Bond

C-N Bond

C- O bond

C- C Bond

80% of total RNA is the cell comprises of.

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mRNA

tRNA

rRNA

RNA-DNA hybrid

Helical shape of polypeptide is due to present within molecule.

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Covalent bond

Hydrogen bond

Disulphide bond

Peptide bond

The most abundant carbohydrates in nature is

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Starch

Cellulose

Maltose

Glucose

Silk fiber, myosin, fibrin and keratin are examples.

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Fibrous proteins

Tough proteins

Oval proteins

Globular proteins

Helical shape of polypeptide is due to presence within molecule.

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Covalent bond

Hydrogen bond

Peptide bond

disulphide bond

Glycogen is found abundantly in

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Liver

Muscles

Kidney

Both a and b

Hydrogen bonds between adenine and thymine.

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Two

Four

Three

Five

Human Tissues have 85% water in cells of.

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Bone

Blood

Liver

Brain

Glyosidic bond is a

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C- N Linkage

C - O Linkage

N - H Linkage

C - H Linkage

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