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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
Name the hormones involved in regulation of spermatogenesis.
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.
Describe the process of spermatogenesis with the help of diagram.
In meiosis, the number of chromosomes becomes ___________.
What is gamete formation?
Give scientific reason.
There is a menopause when women are 45-50 years old.
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?
Answer the following type of question Assertion (A) and Reason (R).
(A) - Head of the sperm consists of acrosome and mitochondria.
(R) - Acrosome contains spiral rows of mitochondria.
Identify the given image and label its parts marked as a, b, c and d
Expand the acronym.
hCG
Identify the correct stages (P - S) in the given diagram of spermatogenesis.
Sertoli cells are found in ______.
Which among the following has 23 chromosomes?
Spermiation is the process of the release of sperm from ______.
During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called ______.
Besides activating the egg another role of a sperm is to carry ______ to egg.
The head of the epididymis at the head of the testis is called ______.
How many sperms are formed from 4 primary spermatocytes?
Which of the following contains the actual genetic part of a sperm?
Head of epididymis is called as ______.
Mark the odd one.
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:
Human milk differs from cow's milk because human milk contains:
In human females, meiosis II is not completed until:
Which of the following cells during gametogenesis is normally diploid?
Germ cells present in the seminiferous tubules undergo ______
In spermatogenesis, at the end of the first meiotic division ______ are formed.
Sketch and label the process of oogenesis.
