| Directions : (26 - 30) |
| Read the passage given below and answer the following questions. |
| The testes are primary sex organ and situated outside the abdominal cavity within a pouch called scrotum. It helps in maintaining the low temperature of the testes, i.e. 2 to \[2.5\text{ }{}^\circ C\] lower than the normal internal bod temperature necessary for spermatogenesis, i.e. sperm formation. In adults, each testis is oval in shape, with a length of about 4 to 5 cm and a width of about 2 to 3 cm. The testis is covered by a dense covering. Each testis has about 250 compartments called testicular lobules. The male germ cells are cuboidal in shape and undergo meiotic divisions finally leading to sperm formation, while Sertoli cells provide nutrition to the germ cells. The regions outside the seminiferous tubules called interstitial spaces, contain small blood vessels and Leydig cell. Leydig cells synthesise and secrete testicular hormones called androgens e.g., testosterone. |
A) They secrete sperms.
B) They secrete testosterone hormone.
C) They secrete enzymes.
D) Both [a] and [b]
Correct Answer: D
Solution :
Both [a] and [b]
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