Q3 of 39 Page 143

Mention any two differences between a hormone and an enzyme.

Hormones	Enzymes
Hormones are secreted by endocrine glands and are poured directly into the bloodstream.	Enzymes are secreted by exocrine glands and are carried through ducts.
Hormones chemically can be peptides, amines or steroids in nature.	They are chemically protein in nature.

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer.

(a) Adrenaline is often described as the emergency hormone. (T/F)

(b) There are two kinds of diabetes (mild and severe) related to two different hormones. (T/F)

(d) Pituitary is popularly called the master gland. (T/F)

(e) Hormones "obey" the commands like "enough, slow down or "too little, speed up". (T/F)

(f) Gigantism and dwarfism in humans basically depend on the quality and quantity of the food eaten during the early growing age. (T/F)

How do endocrine glands differ from other glands?

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

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

Questions · 39

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

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