Question # 1

Chemical that cause fever and are produce from blood cells are

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Bilirubin

Interferons

Pyrogens

Anti biodies

the active uptake of sodium in the loop of Henle is provided by the actioon of hormone

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Cortisone

Testosterone

Aldosterone

Progesterone

Blood supplied to kidneys from each cardiac beat is.

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10%

20%

30%

50%

Which organ is the central station of Metabolism.

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Liver

Kidney

Spleen

Skin

Bats and humming birds are called.

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Ectotherms

endotherms

Heterotherms

Mesotherms

Liver acts as store house of.

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Bile

Albumin

R.B.Cs

Iron

Which evemt si not associated with the activity of expiration?

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Contraction of diaphragm

More dome like shape of diaphragm

Back ward& downward movement of rib cage

Relaxation of intercoastals muscles

The most toxic nitrogenous waste in animals is.

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Uric acid

ammonia

Creatinine

Urea

The category of plants that has adaptation of small and thick leaves to limit water loss is called.

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Hydrophytes

Xerophytes

Aygrophytes

Mesophytes

The protection of internal environment from the harms of fluctuation in external environment is termed as.

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Osmoregulation

Excretion

Thermoregulation

Homeostasis

Mammalian kidney including human is adapted to conserve water by over

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20.5%

50%

99.5%

70%

The wall of trachea(windpipe) and bronchi of man is fernished with a series of incomplete:

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Cartilagenous plates

Chitinous rings

Cartilaginous rings

Muscular rings

In juxtamedullary nephrons additional capillaries extend down to form at.

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Vasa deferontia

Vasa efferetia

Vasa recta

Vasa hecta

When haemoglobin of the blood is fully saturated with oxygen, the 100cc of blood comains

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15cc of oxygen

20cc of oxygen

25cc of oxygen

10cc of oxygen

Nephridia are the excretory structures present in.

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Hydra

Planaria

Cockroach

Earth worm

Which one of the following is excretophore.

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Stem

Leaves

Roots

Bark

When the human blood leaves the capillary bed of the tissue, most of the carbon dioxide is inthe form of:

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Carbonic acid

Bicarbonate ions

Carboxylic acids

None of them

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