Q5 of 39 Page 143

Why is iodine as a nutrient, important to our body?

Iodine is an important nutrient for our body as it is an active ingredient in the production of thyroxine hormone.

Thyroxine regulates our basal metabolism and its undersecretion may cause various disorders like goitre, myxoedema, cretinism etc.

Mention any two differences between a hormone and an enzyme.

Do you agree with the statement – “All hormones are chemical signals”? Yes/No. Justify your answer.

If you stand to make your maiden speech before a large audience, your mouth dries up and heart rate increases. What brings about these changes?

If one adrenal gland is removed, the other one gets enlarged to some extent. How do you explain this change?

Questions · 39

10. Endocrine Glands - “The Produces of Chemical Messengers”

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