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CBSE
Class 12 Biology
Human Reproduction
Quiz 3
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Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion : Menopause marks the termination of both menstruation and ovulation. Reason : Menopause, the end of menstruation and ovulation, generally occurs after about age 50.
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(a)
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(b)
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(c)
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(d)
Hysterectomy is the surgical removal of
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Uterus
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Vas deferens
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Prostate gland
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Mammary glands
Morula is a developmental stage:
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Between the zygote and blastocyst
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Between the blastocyst and gastrula
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Between implantation and parturition
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After the implantation
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion: Only one sperm can fertilize ovum. Reason: A sperm when comes in contact with zona pellucida layer of the ovum, some changes occur in membrane that blocks the entry of other sperm
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(a)
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(b)
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(c)
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(d)
What is the correct sequence of sperm formation?
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Spermatid, spermatocyte, spermatogonia, spermatozoa
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Spermatogonia, spermatocyte, spermatozoa
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Spermatogonia, spermatozoa, spematocyte
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Spermatogonia, spermatocyte, spermatid, spermatozoa
Which among the following has 23 chromosomes?
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Spermatogonia
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Zygote
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Secondary oöcyte
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Oögonia
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion: Sperm must undergo capacitation in the female reproductive tract before they can fertilize an oocyte. Reason : Freshly ejaculated sperm from male are infertile.
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(a)
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(b)
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(c)
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(d)
Female reproductive organs and associated functions are given below in columns I and II
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p -> ii, q ->iii, r ->i, s -> iv
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p -> ii, q ->iii, r ->iv, s -> i
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p -> iii, q ->ii, r ->iv, s -> i
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p -> ii, q ->i, r ->iv, s -> iii
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion : The clitoris corresponds in structure and origin to the penis in the male. Reason : It is much smaller and without a urethra.
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(a)
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(b)
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(c)
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(d)
On which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs?
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5th day
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11th day
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14th day
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21st day
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion: Human are viviparous. Reason: Human are sexually reproducing organism
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(a)
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(b)
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(c)
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(d)
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion : Uterine tube, fallopian tube, and oviduct are terms used to refer to the different organs. Reason : These transport polar bodies formed during oogenesis from the ovaries to the uterus.
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(a)
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(b)
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(c)
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(d)
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion : The dilation stage of labor is usually the longest stage. Reason : It may last from one to several days.
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(a)
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(b)
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(c)
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(d)
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion: The mammary glands secrete milk for the nourishment of the young. Reason : These are modified sweat glands
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(a)
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(b)
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(c)
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(d)
Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the 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. Assertion : Women are at the peak of conception on the 14th day of menstrual cycle. Reason : Vasectomy is the method normally, employed to avoid conception in females.
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(a)
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(b)
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(c)
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(d)
Identify the odd one from the following:
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Isthmus
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Fimbriae
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Infundibulum
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Labia minora
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