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प्रश्न
What differences are there in number, structure, and activity of the male and female gametes in a man?
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उत्तर
| Male Gametes | Female Gametes |
| Number: Very large. | Normally one at a time. |
| Structure: A sperm is about 50-55 microns long with head, acrosome neck, and lashing tail. | It is spherical and non-motile. |
| Activity: With the help of a lashing tail, it moves actively towards the oviducts. | Passively carried from ovary to oviduct. |
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संबंधित प्रश्न
Expand the following biological abbreviations: TSH
State the reason why testes lie outside the abdomen in a scrotum?
Write the functions of penis
Identify the approximate number of lobules present in the testis.
Increased secretion of which hormone start the process of sperm formation at the time of puberty?
Assertion (A): Testes in human males are located outside the abdominal cavity in scrotum.
Reason (R): Scrotum provides a lower temperature than the normal body temperature for sperm formation.
Answer the following question based on the human male reproductive system:
Name any two unpaired organs of male reproductive system
The given statement is incorrect. Rewrite the correct statement:
Seminiferous tubules secrete Testosterone.
Name these:
3 male accessory glands in humans.
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
