Two green plants are kept separately in oxygen-free containers, one in the dark and the other in continuous light. Which one will live longer?

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The plant kept in the dark

The plant kept in light

Both the plants will live for the same time

None of the above

answer is B.

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Detailed Solution

Concept: The green plants use a process called photosynthesis to create their food in the presence of chlorophyll, carbon dioxide, sunshine, and water. The breakdown of carbon dioxide results in the release of oxygen, which is crucial for plants' cellular respiration.
Therefore, from the above discussion, plants need light and oxygen to survive. Therefore, from the above discussion, plants need light and oxygen to survive. Thus, a plant kept in light will live longer, but a plant kept in darkness would die shortly.
Hence, option 2 is the correct answer.

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