What is the structure and function of DNA, and how does it transmit genetic information from one generation to the next?

2. What are the different types of cells found in living organisms, and what distinguishes them from one another?

3. How does the process of photosynthesis work, and what is its importance in the biosphere?

4. What is evolution, and what is the role of natural selection in the process of evolution?

5. What are the major organ systems in the human body, and how do they work together to maintain homeostasis?

6. How do hormones regulate the functioning of various organs and systems in the body?

7. What is the role of the immune system in protecting the body from pathogens, and how does it respond to infections and diseases?

8. What are the major groups of organisms in the animal kingdom, and what are their distinguishing characteristics?

9. What is ecology, and how do biotic and abiotic factors interact to shape ecosystems?

10. How do human activities impact the environment, and what are some strategies for mitigating these impacts?