SELECT * FROM question_mgmt as q WHERE id=90 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=7 AND chapterId=28 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 12th biology Human Reproduction write two major functions each of testis and ovary

Question: Write two major functions each of testis and ovary.

Answer:

Functions of the Testis:

(a) They produce male gametes called spermatozoa by the process of spermatogenesis.

(b) The leydig cells of the seminiferous tubules secrete the male sex hormone called testosterone. Testosterone aids the development of secondary sex characteristics in males.

Functions of the ovary:

(a) They produce female gametes called ova by the process of oogenesis.

(b) The growing Graffian follicles secrete the female sex hormone called estrogen. Estrogen aids the development of secondary sex characteristics in females.


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