Multiple Choice Questions XIII — task. Science CBSE, Class 10.

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1. Which statement is not true about thyroxin?

Thyroxin is also called thyroid hormone
Thyroid gland requires iodine to synthesise thyroxin
Iron is essential for the synthesis of thyroxin
It regulates carbohydrates, protein and fat metabolism in the body

2. Dwarfism results due to

Excess secretion of thyroxin
Less secretion of adrenaline
Excess secretion of growth hormone
Less secretion of growth hormone

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