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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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