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AQA A-Level Biology: Synoptic 25-Mark Essays

6 exam-style questions with full mark schemes and model answers. Write your own answer and the AI examiner marks it against the mark scheme.

Question 125 marksWrite an essay

Write an essay on the importance of water to living organisms.

Your essay should draw together relevant material from many different areas of the specification. Credit is given for the range and relevance of the material you select, for its scientific accuracy and detail, and for how clearly each point is linked to the title.

[25 marks]

AI examiner · marked against the mark scheme
Question 225 marksWrite an essay

Write an essay on the importance of proteins to living organisms.

Your essay should draw together relevant material from many different areas of the specification. Credit is given for the range and relevance of the material you select, for its scientific accuracy and detail, and for how clearly each point is linked to the title.

[25 marks]

AI examiner · marked against the mark scheme
Question 325 marksWrite an essay

Write an essay on the importance of ATP to living organisms.

Your essay should draw together relevant material from many different areas of the specification. Credit is given for the range and relevance of the material you select, for its scientific accuracy and detail, and for how clearly each point is linked to the title.

[25 marks]

AI examiner · marked against the mark scheme
Question 425 marksWrite an essay

Write an essay on the movement of substances within and between organisms.

Your essay should draw together relevant material from many different areas of the specification. Credit is given for the range and relevance of the material you select, for its scientific accuracy and detail, and for how clearly each point is linked to the title.

[25 marks]

AI examiner · marked against the mark scheme
Question 525 marksWrite an essay

Write an essay on the importance of cycles in biology.

Your essay should draw together relevant material from many different areas of the specification. Credit is given for the range and relevance of the material you select, for its scientific accuracy and detail, and for how clearly each point is linked to the title.

[25 marks]

AI examiner · marked against the mark scheme
Question 625 marksWrite an essay

Write an essay on the importance of diffusion to living organisms.

Your essay should draw together relevant material from many different areas of the specification. Credit is given for the range and relevance of the material you select, for its scientific accuracy and detail, and for how clearly each point is linked to the title.

[25 marks]

AI examiner · marked against the mark scheme