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In testes , the sperms are formed by :...

In testes , the sperms are formed by :

A

Interstitial cells

B

Graafian follicles

C

Seminiferous tubules

D

Nephrons

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

Study the given figure of male reproductive system of cockroach. In which of the following part, (A,B,C and D) sperms are formed?

Knowledge Check

  • Assertion: Both bryophytes and pteridophytes contain well-developed antheridia. Reason: Biflagellate sperms are formed by their antheridia.

    A
    If both the assertion and the reason are true and the reason is a correct explanation of the assertion
    B
    If both assertion and reason are true but the reason is not a correct explanation of the assertion
    C
    If the assertion is true but the reason is false
    D
    If both the assertion and reason are false

  • In male cockroach, the sperms are stored in the seminal vesicles and are glued together in the form of bundles called

    A
    Phallic gland
    B
    Spermatophores
    C
    Spermathecae
    D
    Spermatogonia

  • After a sperm has penetrated an ovum , the entry of other sperms is prevented by :

    A
    Condensation of yolk
    B
    Formation of pigment coat
    C
    Development of vitelline membrane
    D
    Development of fertilization membrane

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