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1. (a) Figure 1 shows a cross section of a leaf - Edexcel - GCSE Biology - Question 1 - 2019 - Paper 1
Question 1
1. (a) Figure 1 shows a cross section of a leaf. (i) What is the name of layer A? A spongy mesophyll B palisade mesophyll C upper epidermis D waxy cuticle
Worked Solution & Example Answer:1. (a) Figure 1 shows a cross section of a leaf - Edexcel - GCSE Biology - Question 1 - 2019 - Paper 1
Step 1
What is the name of layer A?
Answer
Layer A in the cross section of the leaf represents the palisade mesophyll. This layer is primarily responsible for photosynthesis, as it contains a high concentration of chloroplasts. It is situated underneath the upper epidermis and is structured to maximize light absorption.