| Assertion : During late childhood period, the body parts show rapid growth rate. |
| Reason : Thyroxine and STH both become functional in addition to thymosine hormone. |
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
E) If the assertion is false but reason is true
Correct Answer: A
Solution :
Growth is rapid in pre-natal and puberty period (14-18 years). It is slow in juvenile (5-14 years) and post-adolescent (18-22 years) but is almost nil after the post-adolescent period. During the late childhood period, growth rate becomes faster as long with thymosine, two more hormones start operating ? Thyroxin hormone of thyroid gland and somatotrophic hormone (STH) or Growth hormone of anterior pituitary.
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