Question # 1

the reabsorption of water in collecting tubules is under the control of.

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Aidostenrone

ADH

Pressure filtration

Tubular secretion

A plant is adapted to remove the flooding of its cells in fresh water.

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Mesophyte

Cactus

Hydrophyte

Xerophyte

Which one the following structures of kidney is involved in the production of concentrated rein.

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Glomerulus

Juxtamedullary nephron

Cortical nephron

Vasa recta

Of all the excretory products, the principal one is.

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Ammonia

Urea

Uric Acid

Billrubin

They have adaptations for reduced rate of transpiration.

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Halophytes

Hydrophytes

Mesophytes

Xerophytes

Arginase splits the arginine to form ure and the percusor.

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Omithine

Creatinine

ammonia

Citruline

Antidluretric hormone (ADH) released from posterior pituitary act to actively transport water from filtrate to kidney's

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Pelvis

Medulla

Cortex

Interstitium

Which one of the following is excretophore.

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Stem

Leaves

Roots

Bark

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

Earthworm is the ideal example of tubular excretory system called

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Protonephridia

Mesonephridia

Metanephridia

Prenephridia

Animals of the group of flatworms have simple tubular secretory system called of

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Kidney

Nephron

Protonephridia

Nephridia

About 500 ml water is needed to excrete 1g of ammonia

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Hydrogen

Oxygen

Nitrogen

Helium

Animals inhabiting environment with acute shortage water excrete

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Ammonia

Uric acid

Allantion

Urea

In juxtamedullary nephrons additional capillaries extend down to form at.

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Vasa deferontia

Vasa efferetia

Vasa recta

Vasa hecta

Which one of the following is not endotherm.

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Bird

Amphibian

Mammal

Flying insect

Urea is produced in

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Lungs

Liver

Kidney

Pancreas

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

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