Subjects
Science TNSB Mentoring
Class 10
Plant and animal hormones
Plant and Animal Hormones

9. Hormones and their functions

Question:

6 m.

Examine the statements below and choose the correct answer:

1.

Assertion (A):	Adrenaline and noradrenaline are called as emergency hormones.
Reasoning (R):	They are released during conditions of stress and emotion.

Both A and R are true but R is NOT the correct explanation of A
Both A and R are false
A is false but R is true
Both A and R are true and R is the correct explanation of A
A is true but R is false

2.

Assertion (A):	Failure of secretion of thyroid hormones from childhood causes cretinism.
Reasoning (R):	Thyrotropin hormone helps to maintain the BMR and promotes growth of the body tissues.

Both A and R are false
Both A and R are true but R is NOT the correct explanation of A
A is true but R is false
A is false but R is true
Both A and R are true and R is the correct explanation of A

3.

Assertion (A):	Melatonin hormone is called sleep hormone.
Reasoning (R):	Melatonin is also called a time messenger.

Both A and R are true but R is NOT the correct explanation of A
A is true but R is false
Both A and R are false
Both A and R are true and R is the correct explanation of A
A is false but R is true

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