1. The gland, which in relation to body size is largest at birth and then gradually shrinks after puberty, is? (c)
(a) Thyroid
(b) Pituitary
(c) Thymus
(d) Adrenal
Ans. c
2. A human sperm may contain ? (c)
1. X-chromosome
2. Y-chromosome
3. XY-chromosome
(a) 1 only
(b) 2 only
(c)1 and 2
(d) l,2 and 3
Ans. c
3. Which of the following is not a bone in the legs of human body? (a)
(a) Radius
(b) Tibia
(c) Femur
(d) Fibula
Ans. a
4. Bleeding from artery is characterized by which of the following? (b)
1. Blood is red.
2. Blood is purple.
3. Bleeding is continuous.
4. Bleeding is intermittent.
(a) 1 and3
(b) 2 and 3
(c) 1 and 4
(d) 2 and 4
Ans. b
5. Which of the following is not a vestigial organ? (d)
(a) Centriole
(b) Molar tooth
(c) Appendix
(d) Diaphragm