Page 40 - Biology - XII

VIVA VOCE

Q1. Name the cavity formed in the ovary during the follicular development.
Ans. Antrum

Q2. When is the corpus luteum formed in the ovary?
Ans. Corpus luteum is formed after ovulation.

Q3. What is the consequence of failure of ovulation?
Ans. The ovum is not released and corpus luteum is not formed.

Q4. What is the location of spermatozoa in the seminiferous tubule?
Ans. Spermatozoa is located in the lumen of the seminiferous tubule.

Q5. When does follicular development start in a girl child?
Ans. Follicular development starts after attaining puberty.
Q6. What is the colour of corpus luteum?
Ans. Yellow

Q7. At which stage the follicle is released?
Ans. Graafi an follicle
Q8. Which of these processes is a continuous process—Spermatogenesis or Oogenesis?
Ans. Spermatogenesis

Q9. What is histology?
Ans. Study of tissue/microscopic structure of plant/animal tissue is called histology.
Q10. What is testis?
Ans. Testis is a gonad.

Q11. What is the function of seminiferous tubules in testis?
Ans. Seminiferous tubules produce sperms.

Q12. What do sertoli cells do?
Ans. They provide nourishment to the developing sperms.

Q13. What is ovary?
Ans. Ovary is a gonad.
Q14. What is ovum?
Ans. Ovum is a reproductive cell of a female.

Q15. What is the full form of T.S.?
Ans. Transverse Section

Q16. When does spermatogenesis or oogenesis start in the life of an individual?
Ans. Spermatogenesis or oogenesis starts after gaining puberty.

Q17. The development of the spermatozoa starts from ____________ .
Ans. germinal epithelium of seminiferous tubule.

Q18. Name the cells present in between the seminiferous tubule.
Ans. Leydig’s or Interstitial cells

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