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प्रश्न
Write two major functions of testis.
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उत्तर
- They produce male gametes called spermatozoa by the process of spermatogenesis.
- The leydig cells of the seminiferous tubules secrete the male sex hormone called testosterone. Testosterone aids in the development of secondary sex characteristics in males.
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संबंधित प्रश्न
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
find odd one from following: Thymine, Cytosine, Adenine, Pepsin.
Differentiate between Rod cells and cone cells (pigment)
Put a tick mark (✓) against the correct alternative in the following statement:
The testes are located within the:
Multiple choice question. Tick (✓) the correct choice:
Testis are present in a sac called
- scrotum
- oviduct
- epididymis
- none of the above
Fill in the blank:
Male gemetes are produced inside _______.
Name the following:
The tubular knot fitting like a cap on the upper side of the testis.
Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.
Name the Following
The accessory gland in human males whose secretion activates the sperms.
Give Technical Term:
Name the male reproductive cells of mammals.
Write the functional activity of the following structure:
Seminiferous tubules
Multiple Choice Question:
If the vas deference of a man are surgically disconnected or removed.
Find an odd one out.
Hormones related to male reproductive system.
Identify the condition in wtrich the testis fails to descend from abdomen into scrotum, leading to sterility.
Identify the INCORRECTLY labelled structure in the given diagram of the male reproductive system.
Which hormone controls the secondary sexual characters in males?
Fructose is found in secretion of ______.
Which one of the following is not a male accessory gland?
Seminal plasma in human males is rich in ______.
Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
The Leydig cells as found in the human, body are the secretory source of ______.
Accessory glands of male reproductive system are
Which one of the following is not a male accessory gland?
Given below is a certain situation. Analyze and describe its possible impact on a person:
Testes of a male boy are not able to descend into the scrotum during his embryonic development.
Given below is a certain situation. Analyze and describe its possible impact on a person:
The Vas deferens of a man is plugged.
List two roles of the Testis 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 |
State very briefly the chief function of the following:
Cowper's gland
