Botany-Phases of Growth
NEET Botany Phases of Growth MCQ Question
Type: MCQ-numerical-Hard-Class 11
Two leaves, A and B, have initial areas of 20 cm² and 50 cm² respectively. Over a period of time, both leaves increase their area by 10 cm². Calculate the relative growth rate for leaf A.
A
0.5 cm²/cm²
B
0.2 cm²/cm²
C
0.4 cm²/cm²
D
0.25 cm²/cm²
Correct Answer
Option A
Detailed Explanation
Relative growth rate is calculated as the increase in size per unit initial parameter. For leaf A, increase is 10 cm² and initial area is 20 cm², so the relative growth rate is 10/20 = 0.5 cm²/cm².
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