Adaptions of leaves & plants (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
14 questions from this quiz
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Practise the questions
14 questions from this quiz
What is the purpose of a leaf having a large surface area?
What is the purpose of a leaf having a large surface area?
Increases light absorbed for photosynthesis
What is the function of chlorophyll in leaves?
What is the function of chlorophyll in leaves?
Absorbs sunlight & converts to chemical energy
What is the main function of stomata in leaves?
What is the main function of stomata in leaves?
Allow to enter & to leave
What is the purpose of the waxy cuticle on a leaf?
What is the purpose of the waxy cuticle on a leaf?
Prevents water loss while allowing light in
Where is the palisade cell layer located in a leaf?
Where is the palisade cell layer located in a leaf?
At the top of the leaf
Why does the spongy mesophyll layer contain air spaces?
Why does the spongy mesophyll layer contain air spaces?
Allows gases to diffuse efficiently
What happens to guard cells in bright light?
What happens to guard cells in bright light?
Become turgid & stomata open
Where are most stomata located on a leaf?
Where are most stomata located on a leaf?
On the underside of the leaf
What is transported to the leaf via the xylem?
What is transported to the leaf via the xylem?
Water from the roots
What happens to guard cells in low light?
What happens to guard cells in low light?
Lose water & become flaccid
Why do leaves have a thin structure?
Why do leaves have a thin structure?
Reduces distance for to diffuse in
How do cactus spines help reduce water loss?
How do cactus spines help reduce water loss?
Reduce surface area for water loss
When do cactus stomata open?
When do cactus stomata open?
Only at night
What is transpiration?
What is transpiration?
Water evaporating from cells inside leaf