[MCQ]Biology MCQs For WBCS Exam||SET 21

 

 Biology MCQs For WBCS Exam

WBCS BIOLOGY MCQ Q1. 

In man, expired air contains oxygen about

(a) 4%

(b) 10%

(c) 16%

(d) 20%

Ans. (c)

WBCS BIOLOGY MCQ Q2. 

Oxygen is transported in blood mainly by

(a) Leucocytes

(b) Erythrocytes

(c) Thromobocytes

(d) Blood plasma

Ans. (b)

WBCS BIOLOGY MCQ Q3. 

Carbon monoxide has greater affinity for hemoglobin as compare to oxygen

(a) 1000 times

(b) 200 times

(c) 20 times

(d) 2 times

Ans. (b)

WBCS BIOLOGY MCQ Q4. 

Kidney of vertebrates resembles with contractile vacuole of protozoan in

(a) Expelling out glucose

(b) Expelling out urea and uric acid

(c) Expel1ing out excess of water

(d) Expelling out salts

Ans. (c)

WBCS BIOLOGY MCQ Q5. 

In man percentage of CO2 transported as bicarbonates is

(a) 5% to 10%

(b) 70% to 75%

(c) 90% to 95%

(d) 50% to 65%

Ans. (b)

WBCS BIOLOGY MCQ Q6. 

About 30% of CO2 is transported as

(a) Hacarbamino compounds

(b) Bicarbonates of Na and K

(c) Carboxy hemoglobin

(d) Oxyhemoglobin

Ans. (a)

WBCS BIOLOGY MCQ Q7. 

Which of the following is the part of kidney?

(a) Pelvis

(b) Ileum

(c) Somniferous tubules

(d) Cystic duct

Ans. (a)

WBCS BIOLOGY MCQ Q8.

 If a respiratory surface dries out, gas exchange will

(a) Increase

(b) Decrease

(c) Stop

(d) Not be affected

Ans. (c)

WBCS BIOLOGY MCQ Q9. 

Long loops of Henle correlate with

(a) More concentrated urine

(b) More dilute urine

(c) Urine hypotonic to the blood

(d) Urine isotonic to the blood

Ans. (a)

WBCS BIOLOGY MCQ Q10. 

Function of glomerulus in mammalian kidney is

(a) Rebsorption of salts

(b) Urine formation through blood filtration

(c) Urine collection

(d) All of the above

Ans. (b)

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⚡BIOLOGY MCQs SET 20[PREV]

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