passwella.
Menu

WAEC Biology 2020 Question 31

Question 31

Ecosystem and Ecological Factors

The diagram below is an illustration of an ecological instrument. A disadvantage of the abiotic factor measured by the instrument is that it

Diagram for this question
  1. A.is agent of pollination.
  2. B.is necessary for germination.
  3. C.leads to flooding when in excess.
  4. D.is used for irrigation.
Show the answer and explanation

Answer: C (leads to flooding when in excess.)

Explanation

The instrument is a rain gauge, which measures rainfall. Too much rain causes flooding, which is harmful.