O-LevelBiologyRespiration5090/11 · May/June 2021 · Q171 Mark
In an investigation, scientists treated plant roots with a chemical that stops aerobic respiration. They observed that after the treatment the plant roots absorbed nitrate ions more slowly. Which statement explains this observation?
AAnaerobic respiration does not release energy.
BThe plant cells cannot respire.
CThere is less energy for active transport of nitrate ions.
DThere is less energy for diffusion of nitrate ions.
✓ Correct answer
C: There is less energy for active transport of nitrate ions.
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