Biology 0610 · IGCSE · Photosynthesis

Photosynthesis — practice question

The graph illustrates daily carbon dioxide uptake and transpiration in the plant $\text{Agave americana}$. This plant is adapted to survive in very dry conditions. What conclusion can be drawn from the graph?

  • AMore stomata are closed during dark periods.
  • BMore stomata are closed during light periods.
  • CThere is no carbon dioxide uptake during dark periods.
  • DThere is no water uptake during light periods.

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