What will happen if the leaves of the healthy potted plant are coated with Vaseline?

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Oxygen supply will be stopped

It will not get carbon dioxide.

Both 1 & 2

None of the above

answer is B.

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Detailed Solution

Concept: Plants prepare their food through photosynthesis and they need carbon dioxide and water to produce oxygen gas and glucose.
When we apply Vaseline to the plant leaves, it will block the stomata. Stomata are the small pores on the leaves that are important for gaseous exchange and loss of
water. There will be no oxygen supply for respiration and

CO 2

for photosynthesis. Ultimately Leaves will die. Plants are classified as autotrophs as they produce their food.
In the photosynthesis process, gaseous exchange takes place.
Hence, the correct answer is option 2.

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