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Iodised salt is recommended because iodine lets the thyroid gland make:
AThiamine
BThyroxin
CTrypsin
DThrombin
Answer & Solution
Correct answer: B. Thyroxin
1. The thyroid needs iodine as a raw material.
2. It builds one hormone from it.
3. That hormone is thyroxin.
_Source: syllabus Science Class X, Chapter 7, Control and Coordination._
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