The figure shows a section of human ovary. Select the option which gives the correct identification of either $A$ or $B$ with function/characteristic.

  • A
    $B$ - Corpus luteum - Secretes progesterone
  • B
    $A$ - Tertiary follicle - Forms Graafian follicle
  • C
    $B$ - Corpus luteum - Secretes estrogen
  • D
    $A$ - Primary oocyte - It is in the prophase $I$ of the meiotic division

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Similar Questions

The period between $12$ and $18$ years of age in a person is known as adolescence.

Which of the following groups represents a pair of similar structures or functions?

Which option shows correctly matched pairs for Column-$I$ and Column-$II$?
Column-$I$ (Cell/Gland)Column-$II$ (Function/Secretion)
$(p)$ Leydig cells$(iii)$ Secretion of Androgens
$(q)$ Sertoli cells$(iv)$ Provide nutrition to the sperm
$(r)$ Corpus luteum$(ii)$ Secretion of progesterone
$(s)$ Bulbourethral gland$(i)$ Help in the lubrication of the penis

Match the organs / parts of the human reproductive system in Column $I$ with the respective hormone / enzyme secreted by them in Column $II$.
Column $I$Column $II$
$i$. Prostate gland$a$. Hyaluronidase
$ii$. Acrosome of sperm$b$. Inhibin
$iii$. Corpus luteum$c$. Acid phosphatase
$iv$. Placenta$d$. Human Chorionic Gonadotropin

$A$ single ejaculation contains $...A...$ to $...B...$ million spermatozoa. Semen has a pH of $...C...$ to $...D...$. Its alkalinity helps to neutralize the acidity of the urethra. Here $A, B, C$ and $D$ refer to:

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