Question

2 green plants are kept in oxygen free containers one in the dark and the other in continuous light. Which one lives longer and give reasons.

Answer 1

the green plant which remain in the light lives longer because the plant remain in light can take light as the source of energy for photosynthesis to produce food

Answer 2

the plant which is in light can perform photosynthesis and can prepare food but the plant which kept is dark cannot prepare food because light is not present hence due to lack of starch it may die.