The diagram below is an illustration of the growth of a plant in a water...
BIOLOGY
WAEC 2021
The diagram below is an illustration of the growth of a plant in a water culture. After a few days, the solution turned green and the plant died. Use this to answer this question.
What precaution should have been taken to prevent the solution from turning green?
- A. use a non-green plant for the experiment
- B. aerate the solution daily
- C. cover the culture vessel with opaque paper
- D. keep cotton wool around the seedling to make it dry
Correct Answer: C. cover the culture vessel with opaque paper
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