Question

why upper surface of dicot leaf much darker than the lower surface.

Answer 1

Thanks for asking the question.
As the upper surface of the leaves are darker as compared to the lower side, similarly, upper surface of dicot leaves are darker than the lower sides. This is because they receive more sunlight than the lower ones. Therefore, they contain more chlorophyll. So, as a result they colour is darker than the lower side.
Hope it helps.

Answer 2

Answer:

here's your answer

Explanation:

the upper surface of the dicot leaf has lesser stomata , meaning there are more cells , more chlorophyll, which makes it look darker than the lower side