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IMSO 2005 Science International — Theory I Question 19

IMSO Science · IMSO 2005 Science International — Theory I

Question 19

Photosynthesis in green plants occurs only in the presence of light. Respiration in plants occurs …
  1. only at night.
  2. only when there is enough starch.
  3. only during the day.
  4. all the time.
  5. after photosynthesis.