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Control and Co-ordination — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYControl and Co-ordination5 Marks
Question
Disorders of adrenal cortical hormones.
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Answer

  1. Disorders of adrenal cortical secretions are of two types, viz. hyposecretion and hypersecretion.
  2. Hyposecretion of corticosteroids causes Addison’s disease.
  3. The symptoms of Addison’s disease are general weakness, weight loss, low body temperature, feeble heart action, low BR acidosis, excessive loss of Na+ and Cl in urine, impaired kidney functioning and kidney failure, etc.
  4. Hypersecretion of corticoids causes Cushing’s disease.
  5. The symptoms of Cushing’s disease are alkalosis, enhancement of total quantity of electrolytes in extracellular fluid, polydipsia, increased BR muscle paralysis, etc.

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