Question # 1

Rickets develops due to deficiency of _____________ vitamin.

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B

A

D

C

The water from the soil enters into the root hairs by the process of

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Photosynthesis

Osmosis

Diffusion

Respiration

The substance on which an enzyme act is called:

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Cofactor

Inhabitor

Coenzyme

Substrate

Volvox is example of.

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Red alga

Brown Alga

Green alga

Blue green alga

Diffusion is a _______________ process.

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Slow

Fast

Both

None

Level of organizatin that is less definite in Plants is.

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Organism level

Organ system level

Tissue level

Organ level

In the embryonic and foetal life RBCs are produced in:

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Liver

Ribs

Spleen

Liver and spleen

Enzymes are ............. catalysts.

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Inorganic

Organic

Both a & b

None

The amount of plasma in blood is:

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35%

45%

55%

65%

Most of the energy during ATP formation escapes in the form of:

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Waves

Bonds

Heat

Chemical

The diseases of Kwashiorkor and marasmus may be due to;

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Mineral deficiency

Over intake of nutrients

Protein-energy malnutrition

Ulcer

Ulcers occur in the:

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Stomach

Duodenum

Esophagus

All of these

Two consecutive cell division occurs in ..............

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Meiosis

Mitosis

Interphase

None

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