WAEC Biology 2020 Question 32

Question 32

Ecosystem and Ecological Factors

The diagram below is an illustration of an ecological instrument. When the instrument is in use, it is usually

Diagram for this question
  1. A.placed slightly above soil level.
  2. B.placed on a table.
  3. C.suspended in air.
  4. D.suspended on moving water.
Show the answer and explanation

Answer: A (placed slightly above soil level.)

Explanation

A rain gauge is set in open ground with its funnel a little above the soil, so it catches rain but not water splashing up from the ground.