Class 10 Science Paper : How do Organisms Reproduce

Test Paper

1.     What is the importance of DNA copying in reproduction?
2. 2.  Can you think of reasons why more complex organisms cannot give rise to new individuals through regeneration?
3. 3. Why is DNA copying an essential part of the process of reproduction?
4. 4. How is the process of pollination different from fertilisation?
5. 5. What are the changes seen in girls at the time of puberty?
6. 6. What are the different methods of contraception?
7. 7. What could be the reasons for adopting contraceptive methods?
8. 8. How does the creation of variations in a species promote survival?
9. 9. How do Mendel’s experiments show that traits are inherited independently?
10.     How is the sex of the child determined in human beings?
11.     Why are traits acquired during the life-time of an individual not inherited?
12.     What are fossils? What do they tell us about the process of evolution?
13.     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?
14.     What evidence do we have for the origin of life from inanimate matter?