Botany-(general)
NEET Botany (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
In a laboratory experiment demonstrating interference competition between two species, Species A and Species B, the intrinsic rate of increase (r) for Species A was observed to be 0.3 in isolation. However, in the presence of Species B, the intrinsic rate of increase for Species A dropped to 0.2. What is the percentage decrease in the intrinsic rate of increase for Species A due to the presence of Species B?
A
33.33%
B
50%
C
66.67%
D
25%
Correct Answer
Option A
Detailed Explanation
The percentage decrease is calculated as [(0.3 - 0.2) / 0.3] * 100 = 33.33%. This reflects the reduction in the fitness of Species A in the presence of Species B.
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