WAEC Biology 2019 Objective — Question 24
Question 24 of 50 from the West African Examinations Council (WAEC) Biology 2019 Objective paper, with the correct answer and a full explanation.
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Light is excluded from a water culture experiment in order to
- A. prevent overheating of the roots
- B. enable roots to grow straight down
- C. prevent ionization of water molecules
- D. prevent the growth of algaeCorrect
Explanation
Light is excluded from a water culture experiment in order to prevent the growth of algae.
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