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Q.
In the given figure, find out the absolute and relative growth rate and choose the correct option.
Plant Growth and Development
Solution:
In the given figure, $AGR =5\, cm ^{2}$ and RGR $=100 \,cm ^{2}$ Absolute Growth Rate (AGR) is the comparison and measurement of total growth per unit time. Initial surface area $=5 \,cm ^{2}$, Final surface area $=10 \,cm ^{2}$
$AGR =$ Final surface area $-$ Initial surface area
$=10-5=5\, cm ^{2}$
Relative Growth Rate (RGR) is the growth of the given system per unit time expressed on a common basis, e.g. per unit initial parameter.
$R G R =\frac{\text { Final surface area }-\text { Initial surface area }}{\text { Initial surface area }} \times 100$
$=\frac{10-5}{5} \times 100 $
$\Rightarrow 100=100\, cm ^{2}$
