WAEC Biology 2008 Question 41

Question 41

Ecological Associations

Which of the following activities constitutes biological control?

  1. A.A small bony fish transported on the back of a shark
  2. B.Adding manure to crops in a garden
  3. C.Tilapia feeding on the larvae and pupae of mosquito
  4. D.A vulture feeding on the carcass of a goat.
Show the answer and explanation

Answer: C (Tilapia feeding on the larvae and pupae of mosquito)

Explanation

Using a living predator such as tilapia to reduce mosquito numbers is biological control.