WJEC A-Level Biology (Wales) · WJEC A410QS
2 Biodiversity and physiology of body systems
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Biodiversity and physiology of body systems
- The spongy mesophyll and the alveoli in the lungs are both gas exchange surfaces. Explain … (5 marks, Explain)
- The spongy mesophyll layer is an important part of a leaf. Explain how the features of the… (5 marks, Explain)
- Explain how the structure of the xylem is adapted to transport water from the roots to the… (5 marks, Explain)
- Plasma is the liquid component of blood. Explain how plasma is adapted to transport substa… (5 marks, Explain)
- Describe the roles of the four main components of blood in the human body. (5 marks, Describe)
- Explain how the structure of a vein is adapted to allow blood to flow back to the heart. (5 marks, Explain)
- Explain how the structure of a capillary is adapted to allow the exchange of substances be… (5 marks, Explain)
- Explain how root hair cells are adapted to absorb water and mineral ions from the soil. (5 marks, Explain)
- Phloem and xylem are the two main transport tissues in plants. Explain how the structure o… (5 marks, Explain)
- Explain how the structure of xylem vessels is adapted for the transport of water through a… (5 marks, Explain)
- Red blood cells are specialised cells that carry oxygen around the body. Explain how the s… (5 marks, Explain)
- Describe how the structure of arteries, veins and capillaries is adapted to their function… (5 marks, Describe)
- Explain how the alveoli in the lungs are adapted for efficient gas exchange. (5 marks, Explain)
- Explain how the structure of the xylem and phloem vessels are each adapted to carry out th… (5 marks, Explain)
- Explain how the double circulatory system in mammals is suited to their needs, and describ… (5 marks, Explain)
- Explain why the left ventricle of the heart has a thicker wall than the right ventricle, a… (5 marks, Explain)
- Describe how the structure of arteries, veins and capillaries is adapted to their function… (5 marks, Describe)
- Fish gills are adapted for efficient gas exchange. Describe the adaptations of fish gills … (5 marks, Describe)
- Describe how the structure of the phloem is adapted to transport sugars from the leaves to… (5 marks, Describe)
- A leaf is adapted for efficient gas exchange. Describe the adaptations of a leaf that allo… (5 marks, Describe)
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