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Human Reproduction

Question
CBSEENBI12047347
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What is the correct sequence of sperm formation?

  • Spermatid, Spermatocyte, Spermatogonia, Spermatozoa

  • Spermatogonia, Spermatocyte, Spermatozoa, Spermatid

  • Spermatogonia, Spermatozoa, Spermatocyte, Spermatid

  • Spermatogonia, Spermatocyte, Spermatid, Spermatozoa

Solution

D.

Spermatogonia, Spermatocyte, Spermatid, Spermatozoa

Spermatogonia → Spermatocyte → Spermatid → Spermatozoa

Spermatogonia are present on the inside wall of seminiferous tubule multiplied by mitotic division and increase in number. Spermatocytes are some of the spermatogonia, which periodically undergo meiosis. The secondary spermatocytes undergo the second meiotic division to produce four, equal haploid spermatids. The spermatids are transformed into spermatozoa (sperm).

Some More Questions From Human Reproduction Chapter

The middle piece of human sperm contains :

Seminiferous tubules open into vasa efferentia through :

Polar bodies are produced during the process :

In 28 days woman's menstrual cycle, ovulation occurs on :

Scrotum communicates with abdominal cavity through :

How many spermatozoa or sperms are present in human ejaculate ?

Acrosome is a part of:

Humans are :

Menstrual cycle occurs in :

Spermatozoa are produced in the .................. tubules of testes while ova are formed in the .................. of ovaries.

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