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JAMB Biology 2002 Question 17

Question 17

Population Ecology

In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m2 quadrat. What is the density of the plant in the field?

  1. A.1.2per m2
  2. B.2.4 per m2
  3. C.4.8 per m2
  4. D.9.6 per m2
Show the answer and explanation

Answer: A (1.2per m2)

Explanation

Total area sampled = 20 × 2 m² = 40 m². Density = 48 plants ÷ 40 m² = 1.2 per m².