Parts of Leaves

Question	Answer
Stomata	Pores in the underside of the leaf that allow the the passage of gasses in and out of the leaf.
Air Spaces	Empty spaces in the leaf that allow movement of gasses for photosynthesis.
Guard Cells	Specialised cells which prevent the loss of water by controlling when the stomata open and close.
Chloroplasts	Organelle containing chlorophyll the green pigment used for absorbing light energy.
Epidermis	Protective layer of transparent cells that contain few or no chloroplasts at all.
Xylem	Tubes that transport water drawn in from the roots by capillary action to the leaves and the rest of the plant.
Palisade Cells	Long thin cells that contain many chloroplasts for photosynthesis.
Cuticle	Waxy outer covering that prevents water loss from the leaf.
Xylem	Tubes that transport sugars produced on the leaves during photosynthesis to the rest of the plant.
Spongy Parencyma Cells	Irregularly shaped cells that act as a temporary store for starch and sugars.

Resource summary

	Created by Becca Westwell over 10 years ago