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  • Question
  • Menstruation is triggered by a drop in the levels of


  • Options
  • A. progesterone
  • B. relaxin
  • C. FSH
  • D. LH

  • Correct Answer
  • progesterone 

    Explanation

    The principal hormone secreted by the corpus luteum is progesterone. Menstruation is triggered by a drop in the levels of progesterone.

  • Tags: AIEEE, Analyst

    Biology problems


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    • 1. Blood flow to a tissue will increase if the

    • Options
    • A. pH rises
    • B. Level of carbon dioxide at the tissue increases
    • C. Vessels constrict
    • D. Level of oxygen at the tissue increases
    • Discuss
    • 2. In what chief capacity does vitamin k function?

    • Options
    • A. raise plasma calcium
    • B. blood clot
    • C. produce rhodopsin
    • D. bone density
    • Discuss
    • 3. Which molecule is always single stranded?

    • Options
    • A. RNA
    • B. DNA
    • C. Mitochondria
    • D. Cellulose
    • Discuss
    • 4. The renal medulla is composed of tissue called

    • Options
    • A. Renal Sinus
    • B. Renal Pyramids
    • C. Vasa Recta
    • D. Renal Pelvis
    • Discuss
    • 5. In which of the following, the cellular power plants - Mitochondria are absent?

    • Options
    • A. Bacteria
    • B. Red Algae
    • C. Brown Algae
    • D. Green Algae
    • Discuss
    • 6. Body cells that respond to insulin include

    • Options
    • A. Liver cells
    • B. Endothelial cells
    • C. Skin cells
    • D. Bone cells
    • Discuss
    • 7. What color tubes are used for which tests in phlebotomy?
    • Discuss
    • 8. Which helps prevent errors in DNA replication?

    • Options
    • A. Complementary base pairing reduce errors
    • B. DNA ligase checks the DNA for errors
    • C. DNA is located in the ribosomes
    • D. Any base can pair with any other base
    • Discuss
    • 9. When insulin is released, it causes

    • Options
    • A. Amount of glucose in blood decreases
    • B. Amount of glucose in blood increases
    • C. Amount of bile juice increases
    • D. Amount of bile juice decreases
    • Discuss
    • 10. According to Erikson, the goal of adolescence is to

    • Options
    • A. independent identity
    • B. explore who they are
    • C. both a & b
    • D. None of the above
    • Discuss


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