SCIENCE - Important Questions
1. Describe
the four blocks of modern periodic table.
2. Find
expressions for resistors connected in series
3. Find expressions for resistors connected in
parallel
4. Explain
the construction and working of an electric motor.
5. Explain
the construction and working of an AC generator
6. Explain
the construction and working of an DC generator.
7. What
is myopia? What are the possible reasons of myopia? How is myopia corrected?
Explain with diagram.
8. What
is hypermetropia? What are the possible reasons of myopia? How is myopia
corrected? Explain with diagram.
9. Explain
formation of ionic compound with example.
10. Describe Bayer’s process for concentration of
bauxite.
11. Describe the process of preparation of
aluminum by electrolysis of alumina.
12. Describe human digestive system.
13. Describe human respiratory system.
14. Describe human circulatory system.
15. Describe human excretory system.
16. Explain the process of photosynthesis.
17. Describe the structure and function of human
brain with a suitable example.
18. Explain male reproductive system.
19. Explain female reproductive system.
20. Explain
monohybrid cross using an example of pea plant.
21. Describe Darwin’s theory of evolution.