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प्रश्न
Give a schematic representation of spermatogenesis and oogenesis in humans.
उत्तर
Gametogenesis
संबंधित प्रश्न
With the help of diagrammatic representation, explain the process of gametogenesis
Draw a sectional view of human ovary and label the different follicular stages, ovum and Corpus luteum.
Male and female gametes are __________.
Define spermiation.
Fill in the blank.
---------- type of reproduction occurs without fusion of gametes.
Give scientific reason.
Older women are more likely to give birth to children with some abnormalities.
The male sex hormone testosterone is secreted from ____________.
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
The secondary oocyte enter into the fallopian tube through the ______.
Which of the following are known as the nourishing cells present in the seminiferous tubules?
Acrosome reaction in sperm is triggered by ______.
By which process sperms released from the seminiferous tubules?
Besides activating the egg another role of a sperm is to carry ______ to egg.
The process of release of spermatozoa from Sertoli cells into cavity of the seminiferous tubules is called ______.
Layers of an ovum from outside to inside is ______.
Observe the given figure and answer the questions that follow.
- Label A and B.
- Identify the process.
- What happens during the process and what is formed?
Sperms can be stored for several years in liquid nitrogen with a temperature of ______.
In the process of fertilization, this is true:
The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.
Distinguish between human sperm and ovum.
