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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
Differentiate between Human skin cell and Human ovum (number of chromosomes).
The exact location of the seminal vesicle
Describe the male reproductive systems in humans.
Draw a diagram of a mature human sperm. Label any three parts and write their functions.
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?
Differentiate
Urinogenital duct and Ureter.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Cowper’s gland opens into the urethra.
Write the functional activity of the following structure:
Cowper’s gland
Draw a neat and labelled diagram.
Human male reproductive organs
What is the enzyme present in the acrosome of sperm?
Sertoli cells are regulated by the pituitary hormone known as ______.
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
Small sac-like muscular structures that enclose testes.
Explain the function of the following structure in the human male reproductive system.
Scrotum
Answer the following question based on the human male reproductive system:
What is the length of a sperm?
Given below is the outline of the male reproductive system. Name the parts labelled 1 to 8. Also name the corresponding structure of part (4) in female reproductive system.
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Each testis is divided into approximately how many compartments called testicular lobules?
What are spermatogonia?
The loose fold of skin covering the glans penis is called the:
