"Describe and explain" questions — AQA A-Level Biology (7402)
10 questions · biology · View as Markdown
How to answer
"describe and explain" questions from AQA A-Level Biology (7402). Read the rubric carefully — the marking points cluster into scientific ideas rather than free-form prose.
Sample questions
- Describe the role of enzymes in digestion and explain why a protease enzyme cannot break down starch.
- A muscle cell is damaged during exercise. Describe how mitosis allows the body to replace the damaged muscle cell, and e…
- A scientist is investigating molecules found in cell membranes and in the adipose tissue of a deep-diving whale. Describ…
- Describe the structure of a lipid molecule and explain why lipids are important in the human body.
- Describe how organisms are classified using the Linnaean taxonomic hierarchy, and explain why organisms in the same genu…
- Describe the structure of a DNA molecule and explain how this structure allows DNA to be copied accurately during cell d…
- Describe how nitrogen from the atmosphere is made available to plants, and explain why plants need nitrogen.
- Describe the structure of a DNA nucleotide and explain how nucleotides are joined together to form a single strand of DN…