Question # 1

Which is fluid feeder

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Sheep

Man

Earthworm

Aphid

Amino acids are arranged in proper sequence during protein synthesis according to the instruction transcribed on

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Transfer RNA

Ribosomal RNA

Messenger RNA

DNA

the percentage of water in human bone cells in

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18%

19%

20%

25%

Amino acids are linked to each other by

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Ester bond

Glyosidic bond

Peptide bond

Hydrophobic bond

Cartilaginous fishes contain scales.

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Placoid

Ganoid

Cycloid

Ctenoid

Pteropsida is divided into ...... classes

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3

4

5

6

The Casparian strips are present in

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Cortex cells of roots

Endodermal cells of roots

Cells of xylem

Cellf of phloem

Hepatic and pancreatic secretions are also stimulated by hormone

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Thyroxin

Insulin

Gastrin

Secretin

Optimum pH value for enzyme pepsin is.

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4.50

9.00

2.00

5.50

Lock and key model was proposed by

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Koshland

Emil Fisher

Watson

Flemming

Myoglobin occurs in

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Red blood cells

White blood cells

Plasma

Muscle fibres

Cuticular transpiration takes places at.

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Morning

Noon

Evening

Night

Gram negaive cell wall has

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Only lipids

Only protein

More lipids and less protein

Less lipids and more protein

All fungal nuclei are haploid except for transient diploid.

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spores

Zygota

Conidia

Zygospores

The are ecologically important as bio indicators of air pollution.

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Lichens

Yeast

Viruses

Mycorrhizae

In human gene therapy, the normal genes are inserted into the host through.

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Blood cells

Muscle cells

Bone marrow cells

Bone cells

Many human become ill from consuming milk and milk products because they lack

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Bacteria in their intestine

Rennin

Lactase

Hydrochloric acid

Antibiotic obtained from a soil fungus and used in organ transplantation for preventing transplant rejection is.

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Penicillin

Lovastatin

Cyclosporine

Ergotin

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