Edexcel B A2 Biology 2

Welcome to your Edexcel B A2 Biology 2

1. The most common form of cancer in men.
2. What are structural genes?
3. Which is not a constituent of lac operon?
4. Which of the following is not a mutagen?
5. An example of stem cell therapy.
6. Select the incorrect statement out of the following.
7. Select the incorrect statement regarding ecosystems.
8. Select the incorrect statement about totipotent cells.
9. An example of multipotent cells.
10. Which type of cancer causes more deaths?
11. Which is not an effect of trancription factors in eukaryotes?
12. Select the incorrect statement about gene mutations.
13. Which disorder proves to be an example of the relationship between a gene, an enzyme and a human phenotype?
14. A disorder caused by gene mutation.
15. Select the correct statement regarding gene control in eukaryotes.
16. What are structural genes?
17. Induced pluripotent stem cells (iPS cells) can be produced from ____________.
18. Select the incorrect statement regarding multipotent, unipotent and pluripotent cells.
19. Which is not a structural gene in lac operon?
20. Reasons for variation in the phenotypes of organisms in a population.

a) Environmental factors
b) Genetic factors
c) Unwillingness to change
d) Variations in the genotypes
21. Select the incorrect statement about frameshift mutation.
22. Which type of stem cells are used in treating human disorders?
23. Which disease cannot be treated using stem cells?