set 5 MCQ Questions & Answers Detailed Explanation

Question : 1

In human testosterone is produced by

a) leydig cell

b) tunica albuginea

c) seminiferous tubule

d) sertoli cell

Question : 2

The toxic effect of CO is due to its greater affinity for haemoglobin as compared to O₂ approximately by

a) 20 times

b) 2 times

c) 200 times

d) 1000 times

Question : 3

Which of the following element is a constituent of protein ?

a) Potassium

b) Lead

c) Sulphur

d) Phosphorus

Question : 4

Root hairs develop from

a) region of elongation

b) region of maturation

c) region of meristematic activity

d) root cap

Question : 5

Study the following statements :

1. The term ‘Cell’ was first coined by Robert Hooke.
2. Plant cells are generally without lysosomes.
3. Cell wall present only in animal cells.

a) 2 and 3

b) 1, 2 and 3

c) 1 and 2

d) Only 1

Question : 6

End product of glycolysis is

a) pyruvic acid

b) glucose-1-phosphate

c) acetyl CoA

d) fructose-1-phosphate