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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
Draw a labelled diagram of L.S. of human testis.
Which part of the human body produces Sperms?
Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
Name the Following
Male copulatory organ.
Give Technical Term:
In which organ of the male reproductive system maturation of sperms takes place?
Find an odd one out.
Name the secondary sex organs in males.
Identify the condition in wtrich the testis fails to descend from abdomen into scrotum, leading to sterility.
Identify the labels (a, b, c, and d) in the given diagram of the male reproductive system.
Which of the following is a transporting tube leading from the bladder to which brings urine outside the body via penis?
Sertoli cells are regulated by the pituitary hormone known as ______.
Semen is a constituent of seminal plasma with ______.
In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: In the male reproductive system, the transport of sperm takes place in a fluid that also provides nutrition.
Reason: Protective glands and seminal vesicles secret in the vas deferens.
The shared terminal duct of the reproductive and urinary system in the human male is ______.
Given below is a certain situation. Analyze and describe its possible impact on a person:
The Vas deferens of a man is plugged.
Answer the following question based on the human male reproductive system:
By which type of cell division, sperms are formed?
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 |
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.
The figure given ahead is an organ system of humans. Study the same and answer the following questions.
 |
- Identify the organ system.
- Label the guidelines 1 to 7.
- Write one important role of parts 3 and 6.
- Name the cells of part 1 that produce testosterone.
- What is the significance of the part 1 being located in a separate sac suspended outside the body?
