Edexcel International GCSE Biology
Edexcel International GCSE Biology Selective Breeding Exam Questions
Free Edexcel International GCSE Biology exam questions on Selective Breeding, with mark schemes. Covers selecting and breeding plants and animals with desired characteristics.
Selective Breeding exam questions
These packs of real past exam questions cover the whole of Section 5: Use of Biological Resources, including Selective Breeding. Work through every question on this sub-topic, then mark your answers against the mark scheme.
About Edexcel International GCSE Biology Selective Breeding
This sub-topic covers selective breeding.
What you need to know
- Process Choosing parents with useful traits over many generations.
- Examples High-yield crops and cattle.
- Drawbacks Reduced variation and inbreeding.
Common mistakes in Selective Breeding
- Confusing selective breeding with genetic modification.
- Forgetting it takes many generations.
Try two Selective Breeding exam-style questions
1. Describe selective breeding. (2 marks)
Show the mark scheme answer
Choose parents with the desired trait and breed them (1); repeat with the best offspring over generations (1).
2. Give one disadvantage. (1 mark)
Show the mark scheme answer
Reduced genetic variation.
Selective Breeding FAQs
What does this cover?
Selective breeding of plants and animals.
How is it different from GM?
It uses natural reproduction rather than inserting genes.
Revise this topic with flashcards: Edexcel IGCSE Biology 4BI1 Flashcards, with mark scheme answers for Anki and Quizlet.