The investigation is designed to answer whether the plant requires the gaseous exchange to perform photosynthesis and if respiration occurs in the plants.
Plants produce oxygen and carbohydrates using carbon dioxide, and water and using energy from sunlight captured by the chlorophyll through the process of photosynthesis.
The plant inside the plastic bag will show chlorosis and necrosis in plant tissue and will die eventually due to the depletion of carbohydrates since the plant requires carbon dioxide to perform photosynthesis.
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