A primary root grows from 5-19 cm in a week

CBSE Class 11 CBSE Class 11 Biology
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1

A primary root grows from 5-19 cm in a week. Calculate the absolute growth rate and relative growth rate over the period.

2

Absolute growth rate = (19-5)/7 = 2 cm/day
Relative growth rate =(19-5)/7 x5 = 0.4 cm/day