Question

a plant was covered by a black poloythene paper thyat shows

Answer 1

Answer:

If the leaf is covered by black piece of paper on both top and bottom. It should turn yellow after a week, reason behind this is that chlorophyll will no longer have access to sunlight.

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Answer 2

Answer:

If the plants are tie in plastic bag, it exists during transpiration and the water appears to condense on inside the bag.

This should be placed corner of a paper towel in water and will be drawn up over smoothly.

When placing plastic bag over all the leaves, it should tie bag loosely with string around the steam.

Explanation:

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