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प्रश्न
Answer the following question based on the human male reproductive system:
By which type of cell division, sperms are formed?
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उत्तर
- Sperms are formed by the type of cell division known as meiosis.
- Meiosis reduces the chromosome number by half, producing haploid sperm cells essential for fertilisation.
APPEARS IN
संबंधित प्रश्न
Describe the structure of a seminiferous tubule.
____________ contribute about 60% of the total volume of the semen.
Give appropriate biological/technical terms for the following:
The accessory gland in human males whose secretion activates the
sperms.
Define Reproductive health
Distinguish between the following pair of terms:
Egg and sperm.
Fill in the blank:
The sac-like structure present outside the body and which contains testes is called _________.
Fill in the blank:
Male gemetes are produced inside _______.
What is semen?
Define the following term:
Hernia
Given below is a diagram of the lateral section of the testis of a man. Study the same and answer the questions that follow:
(i) Label the parts numbered 1 to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 3.
(iii)What is the significance of the testes being located in the scrotal sac outside the abdomen?
(vi)What is the role played by the inguinal canal?
(v) What is semen?
Write the functions of penis
State names of organs in male reproductive system.
In the given diagram represents the
Cowper's gland is homologous in function to ______
Fructose is found in secretion of ______.
In the process of spermatogenesis, first maturation division is called ______.
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is ______.
Match between the following representing parts of the sperm and their functions and choose the correct option.
| Column A | Column B | ||
| A. | Head | i. | Enzymes |
| B. | Middle piece | ii. | Sperm motility |
| C. | Acrosome | iii. | Energy |
| D. | Tail | iv. | Genetic material |
Cell at the end of first meiotic division male sperm differentiates into ______.
Explain the function of the following structure in the human male reproductive system.
Scrotum
