Question

cross section of leaf

Answer 1

CROSS SECTION OF A LEAF. Cuticle: A waxy layer that prevent water loss by evaporation. The cuticle is transparent and very thin to allow maximum light penetration. ... Spongy Mesophyll: These cells are smaller than those of the palisade mesophyll and are found in the lower part of theleaf.

Answer 2

.Cross Section Of Leaf
1) Epidermis : it is the outermost one cell thick layer of the leaf and consists of two distinct parts upper epidermis does not contain chloroplast . It protects the internal leaf tissue by preventing excessive water loss through evaporation lower epidermis contain Stomata which help in the gaseous exchange in plant

2) Stomata : these are tiny pores mostly found in the lower epidermis they allow Gases to enter and exit the leaf more rapidly between the plant and atmosphere


3) Guard Cells : these are Bean shaped cells that frame the stomatal opening they contain chloroplast and have cell wall