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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Biodiversity (GCSE Biology)

The following is a GCSE Biology test covering 'Biodiversity' from the broader topic Ecology. The test is geared towards the AQA exam board style syllabus.
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A species of beetle is captured, marked and released. Later 40 are captured, of which 10 are marked. If 200 were marked originally, estimate the total population size using the Lincoln index (N = (marked × total recaptured) / marked recaptured).
How can citizen science projects support biodiversity monitoring?
Which sampling method would be most appropriate to estimate the number of small plants across a meadow?
Which of the following best describes a "habitat corridor"?
What is the purpose of using many quadrat samples rather than just one quadrat when estimating plant abundance?
Which of the following is a biotic factor affecting a population?
What is the main conservation aim of a protected area (e.g., national park or nature reserve)?
What is meant by "genetic diversity" within a species?
When measuring biodiversity, which two components are commonly used together?
Why is it important to maintain genetic diversity in crop plants?
Which of the following is an abiotic factor that can affect biodiversity?