Q.

The experiment performed by Jan Ingenhousz concludes that

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a

sunlight is essential to the plant process that somehow purifies the air fouled by burning candles.

b

plant restores to air whatever breathing animals and burning candles remove.

c

oxygen evolved by the green plants comes from H2O, not from carbon dioxide.

d

glucose is produced when plants grow and glucose is usually stored as starch.

answer is B.

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Detailed Solution

Jan Ingenhousz showed that sunlight is essential to the plant process that somehow purifies the air fouled by burning candles or breathing animals.

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