In most leaves, where are stomata found in the greatest numbers?
In the lower epidermis, on the underside of the leaf
In the upper epidermis, just below the waxy cuticle
In the spongy mesophyll, around the leaf air spaces
In the palisade mesophyll, close to the chloroplasts
38 exam-style questions on AQA GCSE Biology 2.3 Plant tissues, organs and systems, covering 2.3.1 Plant tissues and 2.3.2 Plant organ system. Each one has a worked solution and a mark scheme showing where the marks go.