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प्रश्न
Draw a labelled diagram of a Graafian Follicle.
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उत्तर १
उत्तर २
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संबंधित प्रश्न
How is 'oogenesis' markedly different from 'spermatogenesis' with respect to the growth till puberty in the humans?
Draw a sectional view of human ovary and label the different follicular stages, ovum and Corpus luteum.
Explain the development of a secondary oocyte (ovum) in a human female from the embryonic stage upto its ovulation. Name the hormones involved in this process.
Ovulation is induced by a hormone called ______.
The fusion of the male and the female gametes is called ______.
Name the functions - Acrosome of sperm.
Fill in the blank.
---------- type of reproduction occurs without fusion of gametes.
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.
Give scientific reason.
There is a menopause when women are 45-50 years old.
At what stage of development are the gametes formed in newborn male and female?
Give a schematic representation of spermatogenesis and oogenesis in humans.
Which of the following enter the maturation phase of oogenesis?
Identify the enzyme released by the sperm which has lytic activity.
Four primary spermatocytes give rise to ______.
Which of the following is diploid?
______ undergoes 2nd meiotic division during spermatogenesis.
By which process sperms released from the seminiferous tubules?
Which of the following contains a fluid filled cavity called antrum?
During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called ______.
Gray crescent is the area ______.
Preparation of sperm before penetration of ovum is ______.
How many sperms are formed from 4 primary spermatocytes?
In spermatogenesis, reduction division of chromosome occurs during conversion of ______.
The principal tail piece of human sperm shows the microtubular arrangement of ______.
Layers of an ovum from outside to inside is ______.
Which of the following are called dual gland?
Follicular atresia is:
Human milk differs from cow's milk because human milk contains:
Germ cells present in the seminiferous tubules undergo ______
Draw a neat and labelled diagram of spermatogenesis.
