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प्रश्न
Write the answers to the questions by observing the figure.
- What does the above figure show?
- Write the names of parts A, B, C, D.
- Write the function of the part 'D'.
- How is semen formed?
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उत्तर
- The given figure represents the human male reproductive system.
- A: Seminal vesicle
B: Prostate gland
C: Urinogenital duct
D: Testis - The part labelled as ‘D’ is testis which is responsible for sperm production.
- Semen is formed of sperms and secretions of seminal glands, prostate gland and Cowper’s glands.
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संबंधित प्रश्न
Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.
Complete the following statement by choosing the correct alternative:
Male copulatory organ ______.
Explain the term Androgens.
Explain the term Scrotum.
The given diagram represents T. S of
Which hormone controls the secondary sexual characters in males?
All are accessory ducts in males, EXCEPT
______ highly coiled seminiferous tubules are present in each testicular lobule.
Which of the following is a transporting tube leading from the bladder to which brings urine outside the body via penis?
Spermatids are transformed into sperm by a process called ______.
Urethral meatus refers to the ______.
Seminal plasma in human males is rich in ______.
The primary sex organ of a human male is ______.
Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
The process of formation of sperms is known as ______.
What is the significance of epididymis in male fertility?
Explain the function of the following structure in the human male reproductive system.
Leydig cells
In humans, sperm production occurs in the organ ______.
List two roles of Seminal vesicles and prostate gland in the human reproductive system.
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 |
