Edexcel AS Biology 1

Welcome to your Edexcel AS Biology 1

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