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Chemical Coordination and Integration Test - 3

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Chemical Coordination and Integration Test - 3
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Weekly Quiz Competition
  • Question 1
    4 / -1

     The corpus luteum secretes a hormone called

    Solution

    Corpus luteum of the ovary secretes progesterone, and relaxin. Prolactin is secreted by anterior lobe of pituitary gland. Aldosterone is a principal mineralocorticoid secreted by the adrenal cortex and testosterone is secreted by the Leydig's cells in the testes.

  • Question 2
    4 / -1

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

    Solution

    Menstruation is caused by the reduction of two hormones, oestrogen, and progesterone, especially progesterone at the end of the monthly ovarian cycle. Hence, withdrawal of progesterone hormone will cause immediate menstruation.

    Thus, the correct answer is option A.

  • Question 3
    4 / -1

    All the following tissues in mammals except one consist of a central ‘medullary’ region surrounded by a cortical region. Mark the wrong entry.

    Solution

    According to the anatomy of adrenal glands, ovaries and kidneys, all of these have a central medulla (space) surrounded by cortical region or cortical cells.This form of anatomy is not shown in liver and the whole of liver is composed of hepatocytes.

  • Question 4
    4 / -1

    Accessory glands associated with the genital organs in female rats are

    I. Vestibular Bartholin’s II. Cowper’s glands
    III. Ampullary glands IV. Vesicular glands

    Solution

    The female rats external genitalia contains vulva, Bartholin's gland, and clitoris. Further vulva contains mons pubis, labia majora, and labia minora. Bartholin's gland help in lubrication of vagina and clitoris is a tiny finger-like structure which helps in stimulation.

  • Question 5
    4 / -1

    Leydig cells produce a group of hormones called

    Solution

    The leydig cells or the interstitial cells which are present in the intertubular spaces produce a group of hormones called androgens mainly testosterone. Leydig cells aka Interstitial cells are found outside the seminiferous tubule in the interstitial space in testes. They secrete Androgens.

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