WAEC Biology 2025 Objective — Question 35

Question 35 of 50 from the West African Examinations Council (WAEC) Biology 2025 Objective paper, with the correct answer and a full explanation.

What is the population density of Ageratum sp. of frequency 1,850 on a land area measuring 100m²?

A. 18.50/m²Correct
B. 18.05/m²
C. 0.50/m²
D. 0.05/m²

Explanation

Population density is calculated by dividing the total number of individuals by the area they inhabit: 1850 individuals / 100m² = 18.5 individuals per m².

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