A : If both ovaries are removed after first trimester of pregnancy, still there would be normal grow

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2.Human Reproduction

normal

$A$ : If both the ovaries are removed after the first trimester of pregnancy, still there would be normal growth of foetus.
$R$ : After first trimester placenta secretes sufficient progesterone

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

During first trimester, corpus luteum is responsible for secreting progesterone. If both ovaries are removed during first trimester, there will be abortion.

Standard 12

Biology

Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct, w.r.t. the type of cell and its function?

$A$ $B$

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$A$ : Most birds possess only the left ovary and left oviduct for conveying the ovum released from the ovary.
$R$ : The avian ovary does not form a corpus luteum from the ruptured ovarian follicle which undergoes rapid shrinkage

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Withdrawal of which of the following hormones is the immediate cause of menstruation?

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(AIPMT-2006)

Match the columns.

Column $I$ Column $II$

$(a)$ Testis andovary $(1)$ Part of reproductive organ that transport germ cells

$(b)$ Clitoris
$(2)$ Developing fleshy fold surrounding both side of urinegenital groove – urethra

$(c)$ Oviduct $(3)$ Gametes which produce germ cells

$(d)$ Scrotum,labium $(4)$ Organs associated majora with sexual respons

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The elastic tissue connecting the cauda epididymis to the scrotal sac is

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Column $I$	Column $II$
$(a)$ Testis andovary	$(1)$ Part of reproductive organ that transport germ cells
$(b)$ Clitoris	$(2)$ Developing fleshy fold surrounding both side of urinegenital groove – urethra
$(c)$ Oviduct	$(3)$ Gametes which produce germ cells
$(d)$ Scrotum,labium	$(4)$ Organs associated majora with sexual respons

$A$ : If both the ovaries are removed after the first trimester of pregnancy, still there would be normal growth of foetus. $R$ : After first trimester placenta secretes sufficient progesterone

Solution

Similar Questions

Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct, w.r.t. the type of cell and its function? $A$ $B$

$A$ : Most birds possess only the left ovary and left oviduct for conveying the ovum released from the ovary. $R$ : The avian ovary does not form a corpus luteum from the ruptured ovarian follicle which undergoes rapid shrinkage

Withdrawal of which of the following hormones is the immediate cause of menstruation?

The elastic tissue connecting the cauda epididymis to the scrotal sac is

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$A$ : If both the ovaries are removed after the first trimester of pregnancy, still there would be normal growth of foetus.
$R$ : After first trimester placenta secretes sufficient progesterone

Each seminiferous tubule is lined on its inside by two types of cells $A$ and $B$. Which of the following options is correct, w.r.t. the type of cell and its function?

$A$ $B$

$A$ : Most birds possess only the left ovary and left oviduct for conveying the ovum released from the ovary.
$R$ : The avian ovary does not form a corpus luteum from the ruptured ovarian follicle which undergoes rapid shrinkage