Edexcel A Level Biology A (Salters-Nuffield)
Edexcel A Level Biology A (Salters-Nuffield) Topic 4: Conservation Exam Questions
Free Edexcel A Level Biology A (Salters-Nuffield) exam questions on Topic 4: Conservation, with mark schemes. Covers in situ and ex situ conservation, zoos and seed banks.
Topic 4: Conservation exam questions
These packs of real past exam questions cover the whole of Topic 4: Biodiversity and Natural Resources, including Topic 4: Conservation. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel A Level Biology A (SNAB) 9BN0 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel A Level Biology A (Salters-Nuffield) Topic 4: Conservation
This part of Topic 4 looks at how biodiversity is protected. Expect evaluation questions on the roles of zoos and seed banks.
What you need to know
- Why conserve Protecting species for ethical, economic and ecological reasons.
- Zoos Captive breeding, reintroduction, research and education, while maintaining genetic diversity.
- Seed banks Storing seeds in cool, dry conditions, testing viability and reintroducing species.
- Evaluation Limits include cost, small gene pools and loss of natural behaviour.
Common mistakes in Topic 4: Conservation
- Describing zoos only as tourist attractions.
- Forgetting the need to maintain genetic diversity in captive populations.
- Not explaining how seeds are kept viable.
Try three Topic 4: Conservation exam-style questions
1. Explain one role of zoos in conservation. (2 marks)
Show the mark scheme answer
Captive breeding programmes increase numbers of endangered species (1), which can be reintroduced to the wild (1).
2. Explain how seed banks store seeds. (2 marks)
Show the mark scheme answer
Seeds are dried and stored at low temperature (1), slowing metabolism so they remain viable for longer (1).
3. Explain one limitation of captive breeding. (2 marks)
Show the mark scheme answer
Small captive populations have low genetic diversity (1), increasing the risk of inbreeding and genetic disorders (1).
Topic 4: Conservation FAQs
What does this part of SNAB Topic 4 cover?
The role of zoos and seed banks in conservation and the evaluation of conservation methods.
What is in situ conservation?
Conservation in the natural habitat, for example nature reserves.
What is ex situ conservation?
Conservation outside the natural habitat, such as zoos and seed banks.
Revise this topic with flashcards: Edexcel A Level Biology A (SNAB) 9BN0 Flashcards, with mark scheme answers for Anki and Quizlet.
