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 Multiple Choice QuestionsMultiple Choice Questions

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11.

Which one of the following statements is false in respect of viability of mammalian sperm ?

  • Sperm is viable for only up to 24 hours

  • Survival of sperm depends on the pH of the medium and is more active in alkaline medium

  • Viability of sperm is determined by its motility

  • Viability of sperm is determined by its motility

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12.

Cycas and Adiantum resemble each other in having 

  • seeds

  • motile sperms

  • cambium

  • cambium

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13.

Signals for parturition originate from

  • both placenta as well as fully developed foetus

  • oxytocin released from maternal pituitary

  • placenta only

  • placenta only

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14.

In a normal pregnant woman, the amount of total gonadotropin activity was assessed. The result expected was

  • High level of circulating FSH and LH in the uterus to stimulate implantation of the embryo

  • High level of circulating HCG to stimulate endometrial thickening

  • High levels of FSH and LH in uterus to stimulate endometrial thickening

  • High levels of FSH and LH in uterus to stimulate endometrial thickening

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15.

The Leydig cells as found in the human body are the secretory source of

  • Progesterone

  • Intestinal mucus

  • Glucagon

  • Glucagon

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16.

The shared terminal duct of the reproductive and urinary system in the human male is 

  • Urethra

  • Ureter

  • Vas deferens

  • Vas deferens

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17.

The main function of mammalian corpus luteum is to produce

  • estrogen only

  • progesterone

  • human chorionic gonadotropin

  • human chorionic gonadotropin

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18.

Select the correct option describing gonadotropin activity in a normal pergnant female

  • High level of FSH and LH stimulates the thickening of endometrium

  • High level of FSH and LH facilitate implantation of the embryo

  • High level of hCG stimulates the synthesis of estrogen and progesterone

  • High level of hCG stimulates the synthesis of estrogen and progesterone

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19.

Identify the human developmental stage shown below as well as the related right palce of its occurrence in a normal pregnant woman, and select the right option for the two together. 

  • Developmental Stage Site of Occurrence
    Late morula Middle part of fallopian tube
  • Developmental Stage Site of Occurrence
    Blastula End part of fallopian tube

  • Developmental Stage Site of Occurrence
    Blastocyst Uterine wall

  • Developmental Stage Site of Occurrence
    Blastocyst Uterine wall

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20.

The secretory phase in the human menstrual cycle in also called

  • luteal phase and lasts for about 6 days

  • follicular phase lasting for about 6 days

  • luteral phase and lasts for about 13 days

  • luteral phase and lasts for about 13 days

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