Plant Tissues, Organs & Systems (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the main function of a leaf?
What is the main function of a leaf?
To carry out photosynthesis
What is the purpose of the waxy cuticle on the upper epidermis?
What is the purpose of the waxy cuticle on the upper epidermis?
To stop water from escaping
Why is the upper epidermis transparent?
Why is the upper epidermis transparent?
To allow light to pass through
Where does most photosynthesis take place in a leaf?
Where does most photosynthesis take place in a leaf?
Palisade mesophyll
Why do palisade cells contain lots of chloroplasts?
Why do palisade cells contain lots of chloroplasts?
To capture maximum light
How are cells arranged in the spongy mesophyll?
How are cells arranged in the spongy mesophyll?
Loosely packed with air spaces
What does xylem transport in a plant?
What does xylem transport in a plant?
Water from roots to leaves
What does phloem transport around the plant?
What does phloem transport around the plant?
Dissolved sugar
Where are stomata found in a leaf?
Where are stomata found in a leaf?
Lower epidermis
What is the function of guard cells?
What is the function of guard cells?
Open or close stomata
Which gas enters the leaf through stomata for photosynthesis?
Which gas enters the leaf through stomata for photosynthesis?
Carbon dioxide
How do guard cells open a stoma?
How do guard cells open a stoma?
They absorb water and swell