Excretion : Biology MCQ Practice Questions & Answers (English) - Page 4

BiologyEasyExcretion

61.

In Amoeba amonia is excreted by

A

Food vacuole

B

Coutractile vacuole

C

Plasma membrance

D

All of these

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62.

A person underoing protonged fsting his urine will be ound to contain abnormal quantities of

A

Ketones

B

Fats

C

Ammino acid

D

Glucose

BiologyEasyExcretion

63.

Uric acid is the chief nitrogenous component of the excretory product of

A

Man

B

Earthwarm

C

Cockroach

D

Frog

BiologyEasyExcretion

64.

Passage of urine

A

Duct of bellini - calyces - ureters - urinary bladder

B

Duct of belini - urethra - ureters - urinarray bladder

C

Urinary bladder - urethra - urters - calyces

D

Duct of ballini - calyces - urethra - urinary bladder

BiologyEasyExcretion

65.

Angitensinogen is converted in Angiotensin by

A

Hippuric acid

B

dil $HCl$

C

casein

D

Renin

BiologyEasyExcretion

66.

Proboscis gland is balanoglossus is associated with

A

Respiration

B

Digestion

C

Excretion

D

Circulation

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67.

Which one of the following statement is impereble to water

A

Ascending limb of loop of henle is impereable to water

B

Descending limb of loop of henle is impereable to water

C

DCT is incapable of reabsorbing $HCO_3$

D

Nearly 99% of the glomerular filterate is reasorbed by the renal tubules

BiologyEasyExcretion

68.

The function of renin is

A

Vasodilation

B

Degradation of angiotensinogen

C

Stimulation of corpus luteum

D

To reduce blood pressure

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69.

Peritubuler is in

A

Surround to duct of bellini

B

Cortex

C

Deep in medulla

D

Calyces

BiologyEasyExcretion

70.

Loop of henle and collecting ducts are locketed in kidney is

A

Calyces

B

Cortex

C

Medulla pyramid

D

Columns of bertini

BiologyEasyExcretion

71.

Main function of uriniferous tubules

A

Removal of urea and other waste from blood

B

Concentration of urine

C

Passage of urine

D

Reabsorption of useful substances from glomerular filtrate

BiologyEasyExcretion

72.

In ornithin cycle which of the following waste are removed from the blood?

A

Urea and urine

B

$CO_2$ and urea

C

Ammonia and urea

D

$CO_2$ and ammonia

BiologyEasyExcretion

73.

Lungs expel

A

$CO_2$ and water vapours

B

$CO_2$

C

$H_2O$

D

$CO_2$ and water

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74.

The yellow colour of urine of the vertebrates in due to

A

Malamin

B

Cholesterol

C

Urochrome

D

Uric acid

BiologyEasyExcretion

75.

A kidney stone is

A

Blockage by proteins

B

Blockage by fats

C

Desposition of sand in kidney

D

A salt such as Oxalate crystallised in pelvis

BiologyEasyExcretion

76.

the two kidneys lie:

A

Right kidney at a higher level than the left one

B

At the level of ovaries

C

At the same level

D

Left kidney at a higher level than the ight one

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77.

which of these is not a keton body

A

Betabychoxy butyric acid

B

Asetoacetic acid

C

Acetone

D

Succinic acid

BiologyEasyExcretion

78.

Urea formation occure by:

A

Citulline cycle

B

Arginine cycle

C

Krebs cycle

D

Ornithine cycle

BiologyEasyExcretion

79.

Urinary Excretion of Na is regulated by

A

Adenal medulla

B

Anteroir pituitary

C

Posterior Pituitary

D

Adrenal cortex

BiologyEasyExcretion

80.

It is also acivate the adraral cortex to release aldosterone

A

ADH

B

Angiotensin II

C

Adrenal gland

D

Cortisol

Excretion in Biology : Practice MCQ Questions & Answers with Explanations