9th Standard English Medium Science Subject Book Back 2 Mark Questions with Solution Part - II

9th Standard

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Science

Time : 00:30:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Convert : 300 K into Celsius scale,

  2. Why does a ray of light bend when it travels from one medium to another?

  3. What is meant by desalination of sea water?

  4. Arrange the following in the increasing order of atomic number
    Calcium, Silicon, Boron, Magnesium, Oxygen, Helium, Neon, Sulphur, Fluorine and Sodium

  5. What is chlorophyll?

  6. What is silver revolution?

  7. Draw and label the diagram of an AC generator.

  8. Name the connective tissue with a fluid matrix.

  9. How is it possible to control the urge to pass urine?

  10. Define time period of a satellite.

  11. Who is called 'Father of Modern Organic Chemistry'?

  12. What is the need for chemical fertilizers in crop fields?

  13. Define Pomiculture

  14. Differentiate Fin fish and Shell fish

  15. Define the Vaccines

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