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

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYControl and Co-ordination5 Marks
Question
We are advised to use iodized salt.
OR
Why do we use iodized salt?
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Answer

  1. Iodine is needed for synthesis of thyroid hormone.
  2. If there is deficiency of iodine in the diet, it causes enlargement of thyroid gland leading to simple goitre.
  3. This disease is common in hilly areas hence it is also called endemic goitre.
  4. Addition of iodine to table salt prevents this disease.
  5. Therefore we must use iodised salt.

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