Excretion : Biology MCQ Practice Questions & Answers (Urdu)

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1.

Excretory product of birds and raptiles is

A

Urea

B

Uric acid

C

Ammonia

D

Creatinin

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2.

The mechanism of urine formation in nephorn involves

A

Ultrafilteration

B

Secretion

C

Reabrorption

D

All of above

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3.

Angiotensinogen is a protein produced an recreted by

A

Tuxta glomerular JG cells

B

Macula densa cells

C

Endothelial cells of blood vessels

D

Liver cells

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4.

The renal vain carries bloood

A

Towards liver

B

Into the kidney

C

Away from the kidney

D

Towards urinary blodder

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5.

Find the incorrect statement regarding mechanism of urine formation in man

A

The glomerular filteration rate is about 125 ml/min

B

Tubular secretion takes place in the PCT

C

Aldostrone induces greater reabsorption of sodium

D

The counter current system contributes in diluting the urine

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6.

Those animals which excrete a large amount of $NH_3$ are

A

Terretrial

B

Eegg lying

C

Amphibions

D

Aquatic

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7.

Green glands are excretony in function which are found in

A

Spiders

B

Moth

C

Scropions

D

Prawn

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8.

As compared to efferent arterule the afferent arteriont of kidney is

A

Shorter and wider

B

Shorter and narrower

C

Longer and wider

D

Longer and narrower

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9.

Which of the following are uricotelic animals?

A

Rohu and Frog

B

Lizard and Crow

C

Camel and Frog

D

Earthworm and eagle

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10.

uricotelic mode of excreting nitrogenous waste is found in

A

Reptiles and birds

B

Birds and annelids

C

Amphibianls and reptiles

D

Insects and amphibians

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11.

Which blood vessel takes blood away from kidney?

A

Renal portal vein

B

Renal vein

C

Afferent arteiote

D

Efferent artribute

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12.

ADH influences water permbeality in the

A

Regulation of blood pressure

B

Removal of urea

C

Regulation of acidity of fluids

D

secretion of antibiotics

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13.

Uric acid is formed in human from

A

purines

B

protines

C

glucose

D

pyrimidines

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14.

Which blood vessel carries least ammount of urea?

A

Pulmonary vein

B

Renal artery

C

Renal vein

D

Hepatic portal vein

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15.

It increases excretion of ca+2 in the kidney

A

Prostaglandin

B

Renin

C

Thyrocalcitonin

D

Angiotensin

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16.

Deamination is proccess in which

A

Poisonous urea is removed from the blood and it occures in kidney

B

Amino acid is absorbed from the digested food and it occur in intestinal

C

Amino acid combined with ammonia to from protein

D

Amino acid broken down to release $CO_2$ and $NH_2$

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17.

Inner living of Bowmans capsule is lined by:

A

Squamous calls

B

Microvilli

C

Colummar calls

D

Podocytes

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18.

Which are of the following is not a part of a renal pyramid?

A

Conoluted tubules

B

Collecting ducts

C

Loop of Henles

D

Peritubular capilariers

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19.

Angitensigngen I is secreted by

A

JG cells

B

Liver

C

Kidney

D

Pencreas

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20.

Renin is secreted by

A

DCT

B

LOH

C

JG cells

D

PCT

Excretion in Biology : Practice MCQ Questions & Answers with Explanations

Excretion in Biology : Practice MCQ Questions & Answers with Explanations