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प्रश्न
Draw a labelled diagram of a section through the ovary.
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उत्तर १
उत्तर २
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संबंधित प्रश्न
With the help of diagrammatic representation, explain the process of gametogenesis
The following is the illustration of the sequence of ovarian events (a − i) in a human female
(i) Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
(ii) Name the ovarian hormone and the pituitary hormone that have caused the above mentioned event.
(iii) Explain the changes that occur in the uterus simultaneously in anticipation.
(iv) Write the difference between ‘c’ and ‘h’.
(v) Draw a labeled sketch of the structure of a human ovum prior to fertilization.
Describe the process of budding in hydra.
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.
What is gamete formation?
In angiosperms, the pollen germinates to produce a pollen tube that carries two gametes. What is the purpose of carrying two gametes when a single gamete can fertilize the egg?
The male sex hormone testosterone is secreted from ____________.
The Androgen Binding Protein (ABP) is produced by ____________.
Which of the following enter the maturation phase of oogenesis?
500 spermatozoa are formed from ____________ secondary spermatocytes.
Calculate the number of sperms and ova produced from 40 primary spermatocytes and 40 primary oocytes.
Identify the CORRECT sequence of events.
Identify the enzyme released by the sperm which has lytic activity.
First meiotic division is observed in ____________.
Draw a labelled diagram of a Graafian Follicle.
How many sperms are formed from a secondary spermatocyte?
The immature male germ cell undergo division to produce sperms by the process of spermatogenesis.
Choose the correct one with reference to the above.
How many functional sperms and how many ova will be formed by a primary spermatocyte and a primary oocyte.
During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called ______.
Gray crescent is the area ______.
The nutritive cells found in seminiferous tubules are ______.
Layers of an ovum from outside to inside is ______.
After the release of the secondary oocyte, the Graafian follicle develops into ______.
If for a species 2n = 16, then during Ist prophase and IInd prophase of the meiotic division of a cell, how many tetrads and diads will be formed:
Follicular atresia is:
Which type of cell division forms spermatids from the secondary spermatocytes?
During spermatogenesis meiosis occurs in ______.
Sketch and label the process of oogenesis.
During oogenesis the meiotic division is arrested at ______ before fertilization.
What is the primary purpose of gametogenesis in organisms?
