Biology MCQs

Page No. 21

On which of the following site the posterior pituitary hormone acts predominantly?


aProximal convoluted tubule

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bDescending limb of loop of Henle

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cAscending limb of loop of Henle

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dCollecting tubules

✓


View Answer Collecting tubules

Each human kidney receives _______% of total cardiac out put?


a10%

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b20%

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c30%

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d40%

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View Answer 20%

Excessive lactic acid is converted into __________ by liver?


aGlucose

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bFructose

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cSucrose

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dGlycogen

✓


View Answer Glycogen

Which of the following is a sentimentally arranged excretory system?


aProtonephridium

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bMetanephridium

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cMalpighian tubules

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dNephrons

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View Answer Metanephridium

The distal blind end of the malpighian tubules bathes freely in____________?


aDigestive tract

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bIntestines

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cHaemocoel

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dCoelom

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View Answer Haemocoel

Hydra has no specialized excretory system because:


aIt does not produce waste material

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bDue to absence of mesoderm

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cThe whole body cells are in contact with water

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dIt has pseudocoelom.

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In animals excess of nitrogen is excreted primarily in form of___________?


aCreatinine

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bTrimethyamine oxide

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cPyrimidine

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dAmmonia

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View Answer Ammonia

In plants, which of the following is a waste product produced both during photosynthesis and respiration?


aCO2

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bH2O

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cO2

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dBoth A and B

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View Answer H2O

Which of the following treatment will be administered first in a newly diagnosed renal failure patient?


aRenal transplant

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bPeritoneal Dialysis

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cLithotripsy

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dHemodialysis

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View Answer Hemodialysis

Which of the following kidney stones are most common?


aCalcium oxalate

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bCalcium phosphate

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cUric acid

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dAll of these

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View Answer Calcium oxalate

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