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प्रश्न
The diagram shown below is the lateral section of the testis of man. Study it carefully and answer the questions that follow:
(i) Label the part I to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 2.
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उत्तर
(i)
(1) Sperm Duct
(2) Seminiferous Tubule
(3) Lobes of Testis
(4) Epididymis.
(ii) The function of Sperm Duct: It carries sperms from testis to urethra.
The function of Seminiferous tubule: Here sperms are produced.
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संबंधित प्रश्न
Write the location and function of the Sertoli cells in humans.
____________ contribute about 60% of the total volume of the semen.
Given below is the outline of the male reproductive system.
(i) Name the parts labeled 1 to 5.
(ii) State the functions of the parts labeled 1 and 4.
(iii) Name the cells of part 5 that produce testosterone.
(iv) Why is structure 5 present outside the body in the scrotal sacs?
(v) What is semen?
Name the Following
Muscular extension of cauda epididymis.
The large elongated cells that provide nutrition to developing sperms are ______
The ejaculatory ducts open into the ______.
Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs:
| Column I | Column II | ||
| (a) | Leydig Cells | 1. | Lack of thyroxine in children |
| (b) | Stoma | 2. | 12 pairs |
| (c) | Ova | 3. | Testosterone |
| (d) | Cranial nerve | 4. | Diffusion of respiratory gases |
| (e) | Cretinism | 5. | Haploid cells |
| 6. | 31 Pairs | ||
| 7. | Diploid cells |
State very briefly the chief function of the following:
Seminal vesicles
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Follicle cells : Ova :: ______ : Sperms.
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
