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Bio - Zoology - Chemical Coordination and Integration Model Question Paper

11th Standard

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Biology

Time : 01:30:00 Hrs
Total Marks : 50
    6 x 1 = 6
  1. The maintenance of constant internal environment is referred as ______.

    (a)

    Regulation

    (b)

    Homeostasis

    (c)

    Co-ordination

    (d)

    Hormonal control

  2. Serum calcium level is regulated by _____.

    (a)

    Thyroxine

    (b)

    FSH

    (c)

    Pancreas

    (d)

    Thyroid and Parathyroid

  3. Which of the following gland is related with immunity?

    (a)

    Pineal gland

    (b)

    Adrenal gland

    (c)

    Thymus

    (d)

    Parathyroid gland

  4. Hypersecretion of GH in children leads to _____.

    (a)

    Cretinism

    (b)

    Gigantism

    (c)

    Graves disease

    (d)

    Tetany

  5. ADH refers to_________________

    (a)

    Insulin

    (b)

    Glucagon

    (c)

    Thymosin

    (d)

    Vasopressin

  6. The normal sleep-wake cycle of human body is regulated by_________________

    (a)

    Melatonin

    (b)

    Melanin

    (c)

    Thyroxine

    (d)

    Growth hormone

  7. 7 x 2 = 14
  8. Comment on homeostasis.

  9. Specify the symptoms of acromegaly

  10. Write the functions of (CCK) Cholecystokinin.

  11. Name the hormones produced by Neurohypophysis.

  12. Mention two functions of cortisol.

  13. What are the symptoms of Tetany?

  14. Name the layers of adrenal cortex.

  15. 5 x 3 = 15
  16. Hormones are known as chemical messenger. Justify.

  17. Write the symptoms of cretinism

  18. Comment on the functions of adrenalin.

  19. Predict the effects of removal of pancreas from the human body.

  20. Write a detailed account of gastro intestinal tract hormones.

  21. 3 x 5 = 15
  22. Write the causes for diabetes mellitus and diabetes insipidus.

  23. Name the layers of adrenal cortex and mention their secretions.

  24. Differentiate hyperglycemia from hypoglycemia.

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