Assertion: Females have less stature than males after puberty.
Reason: This happens because of the presence of $hCG$ in the blood of females.
Reason: This happens because of the presence of $hCG$ in the blood of females.
- AIf both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- BIf both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- CIf the Assertion is correct but Reason is incorrect.
- DIf both the Assertion and Reason are incorrect.
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Similar Questions
Choose the correct pair:
Column-$I$ Column-$II$ $(A)$ Myometrium $(1)$ Cushion of fatty tissue $(B)$ Mons pubis $(2)$ Tiny finger-like structure $(C)$ Acrosome $(3)$ External layer of uterus $(D)$ Prostate gland $(4)$ Middle thick layer of uterus $(5)$ Help in fertilization of ovum
| Column-$I$ | Column-$II$ |
| $(A)$ Myometrium | $(1)$ Cushion of fatty tissue |
| $(B)$ Mons pubis | $(2)$ Tiny finger-like structure |
| $(C)$ Acrosome | $(3)$ External layer of uterus |
| $(D)$ Prostate gland | $(4)$ Middle thick layer of uterus |
| $(5)$ Help in fertilization of ovum |
Medium
View SolutionDifferentiate between $(a)$ oestrus and menstrual cycles; $(b)$ ovipary and vivipary. Give an example for each type.
Medium
View SolutionWhich of the following statements are correct regarding the female reproductive cycle?
$A$. In non-primate mammals,cyclical changes during reproduction are called the oestrus cycle.
$B$. The first menstrual cycle begins at puberty and is called menopause.
$C$. Lack of menstruation may be indicative of pregnancy.
$D$. Cyclic menstruation extends between menarche and menopause.
Choose the most appropriate answer from the options given below.
$A$. In non-primate mammals,cyclical changes during reproduction are called the oestrus cycle.
$B$. The first menstrual cycle begins at puberty and is called menopause.
$C$. Lack of menstruation may be indicative of pregnancy.
$D$. Cyclic menstruation extends between menarche and menopause.
Choose the most appropriate answer from the options given below.
MediumNEET 2023
View SolutionMatch 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
| 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 |
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A$: Endometrium is necessary for implantation of blastocyst.
Reason $R$: In the absence of fertilization,the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements,choose the correct answer from the options given below:
Assertion $A$: Endometrium is necessary for implantation of blastocyst.
Reason $R$: In the absence of fertilization,the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements,choose the correct answer from the options given below:
MediumNEET 2023
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