Leaf structure
6.2What the syllabus asks of you
- State that most leaves have a large surface area and are thin, and explain how these features are adaptations for photosynthesis
- Identify and label the cuticle, cellular and tissue structures of a dicotyledonous leaf, as seen in diagrams or photomicrographs, and explain how these structures are adaptations for photosynthesis and gas exchange, limited to: (a) stomata and guard cells (b) spongy and palisade mesophyll cells (c) air spaces (d) vascular bundles (xylem and phloem) (e) distribution of chloroplasts (f) upper and lower epidermis
Read the notes first
Chapter 6: Leaf structure
Drill this topic
Every question on Leaf structure, untimed, marked as you go.
Make a worksheet
Choose the years and how many questions, then print it with the answers on separate pages.
3 questions
1Oct / Nov 2020 · Paper 12 · Q5Show mark scheme →
Acuticle
Bmesophyll
Cphloem
Dxylem
Mark scheme
2May / June 2020 · Paper 11 · Q5Show mark scheme →
A1 gaseous exchange; 2 transporting sucrose; 3 transporting water; 4 photosynthesis
B1 gaseous exchange; 2 transporting water; 3 transporting sucrose; 4 photosynthesis
C1 photosynthesis; 2 transporting sucrose; 3 transporting water; 4 gaseous exchange
D1 photosynthesis; 2 transporting water; 3 transporting sucrose; 4 gaseous exchange
Mark scheme
3Oct / Nov 2019 · Paper 12 · Q6Show mark scheme →
Acuticle and epidermis
Bepidermis and guard cells
Cguard cells and vascular bundle
Dvascular bundle and cuticle
Mark scheme