Stomata (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
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Practise the questions
13 questions from this quiz
Where are stomata mainly found on plant leaves?
Where are stomata mainly found on plant leaves?
On the underside of leaves
Which gas enters the leaf through stomata for photosynthesis?
Which gas enters the leaf through stomata for photosynthesis?
Carbon dioxide
How many guard cells surround each stoma?
How many guard cells surround each stoma?
Two
What shape are guard cells?
What shape are guard cells?
Sausage-shaped
What organelles do guard cells contain?
What organelles do guard cells contain?
Chloroplasts
What happens to guard cells in bright light?
What happens to guard cells in bright light?
They absorb water & become turgid
What happens to stomata when guard cells become flaccid?
What happens to stomata when guard cells become flaccid?
The stomata close
When are stomata typically open?
When are stomata typically open?
In the daytime
Why do stomata usually close at night?
Why do stomata usually close at night?
Photosynthesis doesn't occur without light
What does transpiration create that pulls water up from the roots?
What does transpiration create that pulls water up from the roots?
A suction force
How are plants in dry environments adapted regarding stomata?
How are plants in dry environments adapted regarding stomata?
They have fewer or smaller stomata
How do plants help prevent wilting?
How do plants help prevent wilting?
By closing their stomata
Why is transpiration described as a side effect?
Why is transpiration described as a side effect?
Leaves are adapted for photosynthesis