Broad and flattened lamina; to increase surface area; for absorption of light;
Thin blade; to reduce distance for diffusion of gases and penetration of light waves;
Transparent epidermis and cuticle; to allow light to penetrate to tissues;
Cuticle layer absent on stomata; to allow for gaseous exchange;
One-cell thick epidermal layer; to reduce the distance over which sunlight penetrates;
Palisade cells have numerous chloroplasts containing chlorophyll; to trap maximum amounts of light energy;
Have stomata on the epidermis; to allow for gaseous exchange; and control of water loss through transpiration;
Palisade layer have elongated cells located at right angles to the leaf surface; for maximum absorption of light energy;
Spongy mesophyll; consists of spherical and loosely-packed cells; to create air spaces; which communicate with the atmosphere through
stomata; for purposes of gaseous exchange and control of water loss;
Veins have conducting tissues: xylem; for movement of water and dissolved mineral salts; phloem; for translocation of
manufactured food;
Download How are the leaves of higher plants adapted to their functions? - KCSE biology essays.
Tap Here to Download for 50/-
Get on WhatsApp for 50/-
Join our whatsapp group for latest updates