passwella.
Menu

JAMB Biology 1979 Question 10

Question 10

Ecosystem and Ecological Factors

A Secchi disc is used in the determination of

  1. A.rainfall
  2. B.tides
  3. C.waves
  4. D.turbidity
  5. E.current velocity
Show the answer and explanation

Answer: D (turbidity)

Explanation

A Secchi disc is lowered into water until it disappears; the depth measures how cloudy (turbid) the water is.