(i) Which hormone requires iodine for its formation ? What will happen if intake of iodine in our diet is low ?
(ii) What is the importance of raivater harvesting ?
(iii) What is colosturm ? How is milk production hormonally regulated ?

Explanation

Thyroxine hormone requires iodine for its formation.
Goitre will occur due to the inadequate supply of iodine in our diet.
Goitre is the enlargement of the thyroid gland.