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प्रश्न
Draw a labelled diagram of sperm.
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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?
Identify True/False statement. Correct the false statement to make it true.
Oogenesis takes place in the corpus luteum.
Implantation of embryo occurs in ______.
What is gamete formation?
If newborns are produced at the age of menopause, they may be with some abnormalities. Why?
At what stage of development are the gametes formed in newborn male and female?
Define gametogenesis.
Describe the structure of the human ovum with a neat labelled diagram.
Which of the following enter the maturation phase of oogenesis?
Which of the following are known as the nourishing cells present in the seminiferous tubules?
Which of the following is diploid?
What is the location of oogenesis?
Draw a labelled diagram of a Graafian Follicle.
Select the pair of cells which does not divide further by mitosis.
In human beings, the largest cell formed during Oogenesis is ______
Extrusion of second polar body from egg nucleus occurs ______.
Sertoli cells are found in ______.
Which among the following has 23 chromosomes?
During embryonic development, the establishment of polarity along anterior/posterior, dorsal/ventral or medial/lateral axis is called ______.
In spermatogenesis, reduction division of chromosome occurs during conversion of ______.
Which of the following contains the actual genetic part of a sperm?
Sperms can be stored for several years in liquid nitrogen with a temperature of ______.
The region of the root tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the:
What is the difference between a primary oocyte and a secondary oocyte?
Process of maturation and development of sperms ______.
Name the germinal layers from which the following organs develop: Tongue, heart, sweat glands, vagina, mammary glands, kidney.
Distinguish between human sperm and ovum.
Draw a labelled diagram of a section through the ovary.
Match List - I with List - IІ.
| List - I | List - II |
| A. Head | I. Enzymes |
| B. Middle piece | II. Sperm motility |
| C. Acrosome | ΙII. Energy |
| D. Tail | IV. Genetic material |
Choose the correct answer from the options given below:
At the onset of puberty, gonadotropin releasing hormone is secreted by ______.
