Question

which part of the leaf had more green colour​

Answer 1

Answer:

ᴀs ᴛʜᴇ ᴜᴘᴘᴇʀ sᴜʀғᴀᴄᴇ ᴏғ ᴛʜᴇ ʟᴇᴀғ ɪs ᴍᴏʀᴇ ᴇxᴘᴏsᴇᴅ ᴛᴏ ᴛʜᴇ sᴜɴ ᴛʜᴀɴ ᴛʜᴇ ᴜɴᴅᴇʀsɪᴅᴇ ᴏғ ᴛʜᴇ ʟᴇᴀғ, ᴛʜᴇʀᴇ ᴡɪʟʟ ʙᴇ ᴍᴏʀᴇ ᴄʜʟᴏʀᴏᴘʜʏʟʟ ᴏɴ ᴛʜᴇ ᴜᴘᴘᴇʀ sᴜʀғᴀᴄᴇ ᴏғ ᴛʜᴇ ʟᴇᴀғ sᴏ ᴀs ᴛᴏ ᴍᴀxɪᴍɪsᴇ ᴛʜᴇ ᴀᴍᴏᴜɴᴛ ᴏғ sᴜɴʟɪɢʜᴛ ᴛʜᴀᴛ ᴛʜᴇ ᴄʜʟᴏʀᴏᴘʜʏʟʟ ʀᴇᴄᴇɪᴠᴇs. ᴛʜɪs ʀᴇsᴜʟᴛs ɪɴ ᴀ ᴍᴏʀᴇ ɪɴᴛᴇɴsᴇ ɢʀᴇᴇɴ ᴏɴ ᴛʜᴇ ᴜᴘᴘᴇʀ sᴜʀғᴀᴄᴇ ᴛʜᴇɴ ᴏɴ ᴛʜᴇ ᴜɴᴅᴇʀsɪᴅᴇ ᴏғ ᴛʜᴇ ʟᴇᴀғ.

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Answer 2

Explanation:

As the upper surface of the leaf is more exposed to the sun than the underside of the leaf, there will be more chlorophyll on the upper surface of the leaf so as to maximise the amount of sunlight that the chlorophyll receives. This results in a more intense green on the upper surface then on the underside of the leaf.Chlorophyll is the green photosynthetic pigment found in plants, algae, and cyanobacteria. Chlorophyll a is a specific form of chlorophyll used in oxygenic photosynthesis. It absorbs most energy from wavelengths of violet-blue and orange-red light but it reflects green light. So, the leaves appear green.