[MCQ]Biology MCQs For WBCS Exam||SET 19

 

 Biology MCQs For WBCS Exam

WBCS BIOLOGY MCQ Q1. 

The plasma resembles in is composition the filtrate produced in the glomerulus except for the presence of

(a) Glucose

(b) Amino acids

(c) Proteins

(d) Chlorides

Ans. (c)

WBCS BIOLOGY MCQ Q2.

 Indicate correct statement for man?

(a) Arteries always carry oxygenated blood while veins always carry deoxygenated blood

(b) Arteries are provided with valves while veins are devoid of valves

(c) Arteries always carry blood away from the heart, while veins always carry blood towards the heart

(d) Venous blood is returned to left auricle

Ans. (c)

WBCS BIOLOGY MCQ Q3. 

Antidiuretic hormone is put into the blood by the

(a) Hypothalamus

(b) Pituitary gland

(c) Liver

(d) Small intestine

Ans. (b)

WBCS BIOLOGY MCQ Q4. 

The smallest blood vessel in the body is a

(a) Acapi1lary

(b) Artery

(c) Vena cava

(d) Vein

Ans. (a)

WBCS BIOLOGY MCQ Q5. 

The reabsorption of glucose in a nephron occurs in

(a) Loop of Henle

(b) First half of proximal tubule

(c) Distal convoluted tubule

(d) Proximal part of collecting ducts

Ans. (b)

WBCS BIOLOGY MCQ Q6. 

Which of the following has no muscular walls?

(a) Artery

(b) Arteriole

(c) Capillary

(d) Vein

Ans. (c)

WBCS BIOLOGY MCQ Q7. 

The ultra structure has shown that in glomerulus of a nephron, the process of filtration mainly

takes, place due to

(a) Podocytes

(b) Pores in blood capillaries

(c) Basement membrane

(d) Endothelium of the blood capillaries

Ans. (b)

WBCS BIOLOGY MCQ Q8. 

The cells constituting walls of the blood capillaries are known as

(a) Parietal cells

(b) Haemocytes

(c) Oxyntic cells

(d) Endothelial cells

Ans. (d)

WBCS BIOLOGY MCQ Q9. 

What percentage of the water that filters into the nephron is reabsorbed?

(a) 25%

(b) 75%

(c) 85%

(d) 99%

Ans. (d)

WBCS BIOLOGY MCQ Q10. 

Which of the following in NOT reabsorbed from the filtrate to the blood at the proximal tubule?

(a) Glucose

(b) Na

(c) Plasma proteins

(d) Water

Ans. (c)

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