Page 41 - Biology - XII

Q19. What is Graafi an follicle?
Ans. A mature follicle with ovum and follicular cells surrounding it is called Graafi an follicle.

Q20. How can you identify a sperm in the slide?
Ans. A sperm is located in the lumen of seminiferous tubule. And, it also has a tail at one end.

COMPETENCY BASED QUESTIONS

Multiple Choice Questions

Q1. What is the location/position of Sertoli cells?
(a) In between seminiferous tubules (b) In between spermatogonia
(c) In between spermatozoa (d) In between spermatids

Q2. Large cells called Sertoli cells are located between
(a) germinal epithelium (b) spermatids (c) testis (d) spermatozoan
Q3. Ruptured follicle fi lled with blood clot is called

(a) corpus haemorrhagium (b) corpus luteum
(c) corpus albicans (d) corpus

Q4. A mature follicle has ovum and it is called
(a) follicle (b) developing follicle (c) graafi an follicle (d) ovule

Q5. The germinal epithelium in human testis has
(a) sertoli or supporting cells (b) spermatogenic cells
(c) both (a) and (b) (d) none of these
Q6. The outer capsule of collagenous connective tissue enclosing mammalian ovary.

(a) Germinal epithelium (b) Scrotum
(c) Tunica albuginea (d) Spermatid
Q7. Spermatozoa in human testis are produced from

(a) tunica albuginea (b) leydig cells (c) spermatogonia (d) spermatogenic cells
Q8. Human ovary is
(a) hollow organ (b) compact or solid organ
(c) cuboidal (d) ova

Q9. Tunia albuginea is
(a) absent in human ovary (b) poorly marked dense connective tissue layer
(c) both imparts whitish colour to ovary (d) none of these
Q10. Mention the source of spermatogonia in seminiferous tubules.

(a) Spermatids (b) Spermatozoan
(c) Germinal epithelium (d) Testis

Answer key
1. (b), 2. (a), 3. (a), 4. (c), 5. (c), 6. (c), 7. (d), 8. (b), 9. (c), 10. (c)

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