AQA GCSE Biology (8461) · AQA 8461
4.1 Cell biology
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Cell biology
- Explain what happens to a plant cell when it is placed in a concentrated sugar solution. (4 marks, Explain)
- Explain why meristematic cells are important for plant growth. (4 marks, Explain)
- Explain why plant cells contain chloroplasts and mitochondria, but animal cells contain on… (4 marks, Explain)
- Describe four differences between a prokaryotic cell and a eukaryotic cell. (4 marks, Describe)
- Explain why a bacterial cell cannot be described as a eukaryotic cell. Give three reasons … (4 marks, Explain)
- Describe the functions of four organelles found in a plant cell. (4 marks, Describe)
- Explain how oxygen moves from the air sacs (alveoli) in the lungs into the blood during br… (4 marks, Explain)
- Explain why a cell must copy its chromosomes before mitosis can occur. (4 marks, Explain)
- Describe what happens during mitosis to produce two daughter cells. (4 marks, Describe)
- Explain why a cell with a nucleus, a cell membrane, mitochondria, and a vacuole is most li… (4 marks, Explain)
- Explain why mitosis is important for the growth and repair of tissues in the human body. (4 marks, Explain)
- Explain why stem cells are important in medicine. In your answer, refer to both embryonic … (4 marks, Explain)
- Explain why active transport is needed to absorb mineral ions into plant root hair cells f… (4 marks, Explain)
- Explain why red blood cells, which are placed into pure water, will eventually burst. (4 marks, Explain)
- Explain how glucose is absorbed from the small intestine into the blood when the concentra… (4 marks, Explain)