Edexcel AS Biology 1

Welcome to your Edexcel AS Biology 1

1. Which of the following is a double membrane bound organelle?
2. Which property of water provides a cooling effect with little loss of water through evaporation?
3. A major structural difference between an eukaryotic cell and a prokaryotic cell.
4. The most common protein found in animals.
5. A substance that speeds up a chemical reaction without being changed by the reaction.
6. Which indicates an indirect evidence for evolution?
7. Which of the following is exposed upon unwinding the double helix structure of the DNA during DNA replication.
8. Which of the following is not necessary for DNA replication?
9. Select the incorrect sentence out of the following.
10. The organic base not found in DNA.
11. Which of the following statement is incorrect regarding RNA?
12. The enzyme responsible for unwinding the double helix structure of the DNA during DNA replication.
13. Which property of water makes it bead up on waxy surfaces?
14. Which of the following does not react with Benedict's solution?
15. How many oxygen molecules at a time could be carried by a haemoglobin molecule?
16. Select the incorrect statement about monosaccharides.
17. Select the incorrect sentence out of the following.
18. Who discovered the double helix structure of DNA?
19. Select the incorrect statement about triglycerides.
20. Which of the following is not a disaccharide?
21. The most abundant organic molecule present on the earth.
22. Select the incorrect statement with regard to DNA replication.
23. The final product of DNA replication.
24. Select the incorrect statement with regard to ATP.
25. Select the incorrect statement with regard to cell-surface membranes.