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प्रश्न
How are the sperms formed?
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उत्तर
Testes contain numerous seminiferous tubules. Germ cells present in the tubules divide by meiosis to produce sperms.
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संबंधित प्रश्न
Write the location and function of the Sertoli cells in humans.
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
Write a note on human sperm
Distinguish between the following pair of terms:
Egg and sperm.
Describe the functions of the following:
ovary
Sketch the labeled diagram:
Human male reproductive system
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?
Give the functions of the following:
Testes
Define the following:
Dioceious
Name the Following
The hormone that stimulates the development of secondary sexual characters in males.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Tubectomy involves the cutting and tying of the vas deferens in males.
State the Location:
Seminal vesicle
Find an odd one out.
The large elongated cells that provide nutrition to developing sperms are ______
Cowper's gland is homologous in function to ______
Urinogenital duct is the ____________.
In humans, male germs cells differentiate into ______ at the end of first meiotic division.
Secretions from which one of the following are rich in fructose, calcium, and some enzymes?
In humans, sperm production occurs in the organ ______.
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?
