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Question


Classify the following hormone as plant hormone (P) or animal hormone (A).
I.   Progesterone
II.  Thyroxine
III. Auxin
IV. Adrenaline


Options:
A .   I – (P), II – (A), III – (P), IV – (P)
B .    I – (A), II – (A), III – (P), IV – (A)
C .   I – (A), II – (A), III – (A), IV – (P)
D .    I – (P), II – (P), III – (P), IV – (P)
Answer: Option B
:
B

Progesterone is a hormone that is secreted in females and is associated with menstrual cycle and pregnancy.


Thyroxine is a hormone that is secreted by the thyroid gland and regulates the metabolism of carbohydrates, proteins and fats and maintains the balance of growth.


Auxin is a plant hormone and is responsible for the growth of the shoot.
Adrenaline is a hormone secreted in the animal body and it affects the heart rate, dilation of pupils, etc.



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