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प्रश्न
The spermatogonia undergo division to produce sperms by the process of spermatogenesis. Choose the correct one with reference to above.
विकल्प
Spermatogonia have 46 chromosomes and always undergo meiotic cell division
Primary spermatocytes divide by mitotic cell division
Secondary spermatocytes have 23 chromosomes and undergo second meiotic division
Spermatozoa are transformed into spermatids
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उत्तर
Secondary spermatocytes have 23 chromosomes and undergo second meiotic division
APPEARS IN
संबंधित प्रश्न
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.
Male and female gametes are ______.
The process of release of the ovum from a mature follicle is called ______.
The fusion of the male and the female gametes is called ______.
What is gamete formation?
Identify the given image and label its parts marked as a, b, c and d
The immature male germ cells differentiates into ______ at the end of meiosis I.
Four primary spermatocytes give rise to ______.
Find out the CORRECT sequence of spermatogenesis.
Middle piece of mammalian sperm possesses ______.
Cavity of graafian follicle is ______.
Gray crescent is the area ______.
Observe the given figure and answer the questions that follow.
- Label A and B.
- Identify the process.
- What happens during this process and what is formed?
Growth hormone of pituitary is more effective in ______.
Which type of cell division forms spermatids from the secondary spermatocytes?
Sketch and label the process of oogenesis.
Draw a labelled diagram of a section through the ovary.
During oogenesis the meiotic division is arrested at ______ before fertilization.
