Human Physiology MCQs & Quiz


1. Wisdom teeth normally grow during the age of:
(a) 17-30 years
(b) 12-15 years
(c) 30-40 years
(d) 40-45 years

 

2. Short-sightedness is due to the:
(a) Shifting of the iris
(b) Elongation of eyeball
(c) Weakening of retina
(d) Weaker muscles

 

3. Which of the following is essential for blood clotting?
(a) RBC
(b) WBC
(c) Blood platelets
(d) Lymph

 

4. The largest cell in the human body is:
(a) Liver cell
(b) Nerve cell
(c) Muscle cell
(d) Kidney cell

 

5. A gas first enters into the blood and then leaves it by the process of:
(a) Osmosis
(b) Diffusion
(c) Transpiration
(d) Condensation

 

6. A colour blind person has difficulty in distinguishing between which colors?
(a) Green and Violet
(b) Green and Red
(c) White and Yellow
(d) Black and Blue

 

7. Reflex action in the body is controlled by:
(a) Sensory nerves
(b) Motor nerves
(c) Central nervous system
(d) None of these

 

8. What is the maximum limit of sound intensity in decibel units beyond which a person cannot hear?
(a) 50
(b) 70
(c) 85
(d) 95

 

9. Which of the following glands is situated beneath the brain and whose over secretion produces giant-size children?
(a) Pituitary
(b) Adrenal
(c) Thyroid
(d) Pancreas

 

10. Reflex action is the function of:
(a) Cerebellum
(b) Autonomous nervous system
(c) Spinal cord
(d) Cerebrum