How are the leaves of higher plants adapted to their functions? - KCSE biology essays

Share via Whatsapp

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/-

Why download?

  • ✔ To read offline at any time.
  • ✔ To Print at your convenience
  • ✔ Share Easily with Friends / Students

Join our whatsapp group for latest updates
Get on WhatsApp Download as PDF
Subscribe now

access all the content at an affordable rate
Buy any individual paper or notes as a pdf via MPESA
and get it sent to you via WhatsApp


What does our community say about us?

Join our community on:

  • easyelimu app
  • Telegram
  • facebook page
  • twitter page
  • Pinterest