Botany-Phases of Growth
NEET Botany Phases of Growth MCQ Question
Type: MCQ-numerical-Hard-Class 11
If the absolute growth rate of leaf A is 5 cm²/day and leaf B is 8 cm²/day, and their initial areas are 20 cm² and 40 cm² respectively, which leaf has a higher relative growth rate?
A
Leaf A, because its relative growth rate is higher.
B
Leaf B, because its relative growth rate is higher.
C
Both leaves have the same relative growth rate.
D
Relative growth rate cannot be determined from the given data.
Correct Answer
Option A
Detailed Explanation
Relative growth rate is the growth per unit time expressed per unit initial parameter. Leaf A has a relative growth rate of 0.25/day (5/20), while Leaf B has a relative growth rate of 0.2/day (8/40), making Leaf A's relative growth rate higher.
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