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Question
Analyse the given data on the average rate of growth in height of boys and girls within different age groups.
Select the correct interpretation(s) made on the basis of tabular data.
i. Girls grow taller than boys.
ii. Girls and boys have different set of hormones which control their growth.
iii. Girls grow faster than boys.
iv. Height of girls and boys depends on the genes inherited from their parents.
Analyse the given data on the average rate of growth in height of boys and girls within different age groups.
Select the correct interpretation(s) made on the basis of tabular data.
i. Girls grow taller than boys.
ii. Girls and boys have different set of hormones which control their growth.
iii. Girls grow faster than boys.
iv. Height of girls and boys depends on the genes inherited from their parents.
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Solution
The correct option is A iii only
- From the table, it is evident that the rate of increase in height for girls is more compared to boys in the pre puberty stage.
- During puberty, there is sudden spurge in height of both boys and girls due to the action of certain growth hormones whose levels increase during childhood and peak during puberty.
- At the onset of puberty, girls grow faster in height than boys and by the age of 18 years, approximately both reach their maximum height.
- So, from this it can be concluded that girls grow faster than boys.
- From the table, it is evident that the rate of increase in height for girls is more compared to boys in the pre puberty stage.
- During puberty, there is sudden spurge in height of both boys and girls due to the action of certain growth hormones whose levels increase during childhood and peak during puberty.
- At the onset of puberty, girls grow faster in height than boys and by the age of 18 years, approximately both reach their maximum height.
- So, from this it can be concluded that girls grow faster than boys.
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