A2 Biology Unit 4 ( EDEXCEL ) 39 Questions

I have created a quiz on Unit 4 of Edexcel Biology (A2). Please excuse any spelling mistakes, I've done my best to spell everything write, but feel free to message me if you spot one. I have checked and checked the questions and answer but there are a lot there so if you do find one that you think is incorrect please let me know immediatly so I can change it. I hope it helps, even if its just a little bit. 

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  • Created by: Holly
  • Created on: 06-12-12 12:21

1. Introns are

  • The non coding regions of DNA
  • The coding regions of DNA
  • Molecule involved in Protein synthesis
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Other questions in this quiz

2. What does the phrase 'non-overlapping' refer to?

  • The triplet codons do not overlap
  • The specific and non specific immune response do not overlap
  • The amino acids have more than one codon

3. Intraspecific is

  • The same species
  • Different species

4. Antibodies crossing the placenta from the mother to the baby is called

  • Passive Natural immunity
  • Passive Artificial immunity
  • Artificial Active immunity
  • Artificial Natural immunity

5. Which of these isn't a type of Isolation?

  • Peripheral
  • Temporal
  • Behavioural
  • Ecological



Will not load results, other quiz's do but not this one. Good questions, though


I was waiting for my results for around 3 minutes then I decided to leave it then just saw that comment. Thanks


yea same ^ annoying

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