Question on: JAMB Biology - 2021
The number of plant species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomoea spp (5), Sida spp (7) and Imperata spp (23)
What is the percentage of occurrence of Imperata spp?
A
35%
B
16%
C
46%
D
23%
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Correct Option: C
Here's how to calculate the percentage of occurrence of Imperata spp:
- Calculate the total number of plants: 15 (Guinea grass) + 5 (Ipomoea spp) + 7 (Sida spp) + 23 (Imperata spp) = 50
- Calculate the percentage of Imperata spp: (Number of Imperata spp / Total number of plants) * 100 = (23 / 50) * 100 = 46%
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