Paper : ICSE Important Questions : Biology (2009)

Q. 1. Describe how cells are structural and functional unit of life?

Q. 2. Which is the smallest cell known so far?

Q. 3. What is cell membrane?

Q. 4. What is Cytoplasm?

Q. 5. Write the difference between plant and animal cell.

Q. 6. Write the difference between cell wall and cell membrane.

Q. 7. Why new cells are needed to be produced?

Q. 8. What are the stages of cell cycle?

Q. 9. Which stage is the longest stage?

Q. 10. What produces spindle fibers in a cell of animals?

Q. 11. What initiates cell division?

Q. 12. Name the phases of cell cycle?

Q. 13. Define Mitosis?

Q. 14. Describe a cell during-

1. Prophase
2. Metaphase
3. Anaphase
4. Telophase.

Q. 15. What is Cytokinesis?

Q. 16. Write the difference between cytokinesis in plant and animal cell.

Q. 17. What is the significance of mitosis?

Q. 18. What is the significance of Meiosis?

Q. 19. Write the difference between Meiosis and Mitosis.

Q. 20. Define cell cycle.

Q. 21. Define reductional division.

Q. 22. What is DNA?

Q. 23. What is DNA finger printing?

Q. 24. What is DNA composed of?

Q. 25. What is Nucleotide?

Q. 26. What are Histones?

Q. 27. What is Centromere?

Q. 28. On the basis of centromere cell can be classified to how many groups?