- What is the importance of DNA copying in reproduction?
- 2. Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration?
- 3. Why is DNA copying an essential part of the process of reproduction?
- 4. How is the process of pollination different from fertilisation?
- 5. What are the changes seen in girls at the time of puberty?
- 6. What are the different methods of contraception?
- 7. What could be the reasons for adopting contraceptive methods?
- 8. How does the creation of variations in a species promote survival?
- 9. How do Mendel’s experiments show that traits are inherited independently?
- How is the sex of the child determined in human beings?
- Why are traits acquired during the life-time of an individual not inherited?
- What are fossils? What do they tell us about the process of evolution?
- Why are human beings who look so different from each other in terms of size, colour and looks said to belong to the same species?
- What evidence do we have for the origin of life from inanimate matter?
