Plant Tissues, Organs & Systems (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main function of the leaf as a plant organ?
What is the main function of the leaf as a plant organ?
Carries out photosynthesis to make food
Which layer is found at the very top of a leaf cross-section?
Which layer is found at the very top of a leaf cross-section?
Upper epidermis
What is the function of the waxy cuticle on the upper epidermis?
What is the function of the waxy cuticle on the upper epidermis?
Stops water escaping from the leaf
What is the role of guard cells in the lower epidermis?
What is the role of guard cells in the lower epidermis?
Open & close stomata for gas exchange
Where in the leaf does most photosynthesis occur?
Where in the leaf does most photosynthesis occur?
Palisade mesophyll
What is the shape of palisade mesophyll cells?
What is the shape of palisade mesophyll cells?
Tall and cylindrical
Why does spongy mesophyll have air spaces between cells?
Why does spongy mesophyll have air spaces between cells?
To allow gases to move around easily
What does xylem transport in the leaf?
What does xylem transport in the leaf?
Water and minerals from the roots
What does phloem transport away from the leaf?
What does phloem transport away from the leaf?
Dissolved sugars made in photosynthesis
How does a leaf's thin and flat shape help photosynthesis?
How does a leaf's thin and flat shape help photosynthesis?
Max light absorption & short diffusion