A : LH acts on Sertoli cells for release of certain factors required for spermatogenesis. R : Spermi

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2.Human Reproduction

medium

$A$ : $LH$ acts on Sertoli cells for release of certain factors required for spermatogenesis.
$R$ : Spermiation occurs directly under influence of $LH$

Assertion and Reason both are correct and also correct explantion.

Assertion and Reason both are correct but not explanation of assertion.

Assertion is correct, but Reason is incorrect.

Both Assertion and Reason are incorrect.

Solution

$FSH$ acts on sertoli cells for release of factors required for spermatogenesis (Spermiogenesis). Spermiation occurs directly under the influence of testosterone.

Standard 12

Biology

A cross section at the midpoint of the middle piece of a human sperm will show

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(AIIMS-2005)

Define spermiogenesis and spermiation.

easy

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?

$(a)$ It results in the formation of haploid gametes

$(b)$ Differentiation of gamete occurs after the completion of meiosis

$(c)$ Meiosis occurs continuously in a mitotically dividing stem cell population

$(d)$ It is controlled by the Luteinising hormone (LH) and FollicleStimulating Hormone (FSH) secreted by the anterior pituitary

$(e)$ It is initiated at puberty

Choose the most appropriate answer from the options given below:

hard

(NEET-2022)

Sperms formed from $4$ primary spermatocytes are

medium

Meiotic division during oogenesis is different from that in spermatogenesis. Explain how and why ?

medium

$A$ : $LH$ acts on Sertoli cells for release of certain factors required for spermatogenesis. $R$ : Spermiation occurs directly under influence of $LH$

Solution

Similar Questions

A cross section at the midpoint of the middle piece of a human sperm will show

Define spermiogenesis and spermiation.

Sperms formed from $4$ primary spermatocytes are

Meiotic division during oogenesis is different from that in spermatogenesis. Explain how and why ?

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$A$ : $LH$ acts on Sertoli cells for release of certain factors required for spermatogenesis.
$R$ : Spermiation occurs directly under influence of $LH$