The leaf (AQA GCSE Biology): Flashcards
📚Flashcards
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Practise the cards
15 cards from this deck
What type of structure is a leaf?
What type of structure is a leaf?
Plant organ made of different tissues
Three main plant organs
Three main plant organs
Leaf, stem, root
Main function of a leaf
Main function of a leaf
Photosynthesis to make food
Function of waxy cuticle
Function of waxy cuticle
Stops water from escaping
Location of palisade mesophyll
Location of palisade mesophyll
Just under upper epidermis
Why palisade mesophyll does most photosynthesis
Why palisade mesophyll does most photosynthesis
Packed with chloroplasts, captures max light
Key feature of spongy mesophyll
Key feature of spongy mesophyll
Loosely packed cells with air spaces
What xylem transports
What xylem transports
Water from roots to leaves
What phloem transports
What phloem transports
Dissolved sugar around plant
What stomata are
What stomata are
Tiny pores for gas exchange in lower epidermis
Role of guard cells
Role of guard cells
Open or close stomata
Gas that enters through stomata
Gas that enters through stomata
Carbon dioxide
Waste gas that leaves through stomata
Waste gas that leaves through stomata
Oxygen
Process of water vapour escaping through stomata
Process of water vapour escaping through stomata
Transpiration
When stomata typically open
When stomata typically open
During day for photosynthesis