16 exam-style questions · Biology only (B): not in Science (Double Award). Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
Ratings are saved in this browser on this device, under a KS4 key kept separate from International A Level recall. Written answers are temporary and cleared when you leave the page. Use Reset to clear the ratings on this device.
5.3B Biodiversity
Exam question
Mark points shown after marking
State what is meant by biodiversity.
(1)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 1 mark
5.3B Biodiversity
Exam question
Mark points shown after marking
Explain why high biodiversity makes an ecosystem more stable.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Which habitat usually has the highest biodiversity?
(1)Total for this question: 1 mark
5.3B Biodiversity
Exam question
Mark points shown after marking
Explain why monoculture farming reduces biodiversity.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Suggest why biodiversity is important to humans.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Describe how biodiversity can be measured.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Explain why planting hedges increases biodiversity on farms.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Illustrative survey data.
| Area | Number of species | Total individuals |
|---|---|---|
| A | 18 | 210 |
| B | 6 | 230 |
Compare the biodiversity of areas A and B.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
| Area | Number of species | Total individuals |
|---|---|---|
| A | 18 | 210 |
| B | 6 | 230 |
Suggest and explain a reason for the lower biodiversity in area B.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Explain why species richness alone does not fully describe biodiversity.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Identify one human activity that reduces biodiversity.
(1)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 1 mark
5.3B Biodiversity
Exam question
Mark points shown after marking
Explain why loss of a pollinator species can reduce biodiversity.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Suggest how seed banks help conserve biodiversity.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Give two ways to increase biodiversity in a school grounds.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
5.3B Biodiversity
Exam question
Mark points shown after marking
Explain why coral reefs have high biodiversity.
(2)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 2 marks
