Question

IV Why leaves are flat and exposed to sunlight and most of the leaves are
brightly coloured and fragrant?​

Answer 1

Answer:

the leaves are bright as because it helps the plant to Gate more sunlight the leaves are flat as because it helps the plant to evaporate Little amount of water and fragnance that we find in many leaves are made by the nature naturally...

Answer 2

Answer:

When leaves are flat and exposed to sunlight, most of the leaves are brightly colored and fragrant. This is because the upper palisade layer of the leaves, behind the upper epidermis, is tightly packed with elongated cells to maximize the area of exposure to the sun.

Explanation:

• These palisade cells also contain more chloroplasts that maximize photosynthesis.
• Due to this increased chloroplasts, the leaves become thick and look fleshy.
• Moreover, increased chloroplasts lead to increased chlorophyll, the green pigment, and provides a bright colour to the leaves.
• Furthermore, the fragrance from plants is due to the presence of volatile essential oils.
• Hence, more the leaves are exposed to sun, the oils evaporate and release more fragrance.