Question

which side of the leaf is this the upper or the lower side?give reasons for your answer. ​

Answer 1

Answer:

Hi mate ! here is your answer

Explanation:

In plant leaf is the site of photosynthesis. It has two sides- the upper side and the lower side. As the upper side is always in exposure to sunlight it is involved in photosynthesis process.

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Answer 2

Answer:

the part of the leaf which is facing the sun is upper part it is in dark green colour the part of the leaf below the part of the which is facing the sun is lower side of the leaf it colour may be green but not dark green

Explanation:

because the upper part of the leaf contain palisade parenchyma tissue which helps to absorb sun light it absorb more sunlight since it is facing the sun lower part of the contain spongy parenchyma it absorb less sunlight so it may look green but not dark green

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