Kerala PSC - Important and Expected General Science Questions - 51
  1. Which test is conducted to identify the presence of lactic acid?
  2. The Nessler's reagent tests are done to identify the presence of ___
  3. The roots of which plants are affected by the fungal Panama disease?
  4. Which international organisation organises the Earth Hour?
  5. The substances which are feebly magnetised in the opposite direction of magnetic field when placed in a strong magnetic field are called ___
  6. What are the examples of diamagnetic substances?
  7. What are the examples of ferromagnetic substances?
  8. What are the examples of paramagnetic substances?
  9. What is the major component of the gober gas?
  10. Which hydrocarbon gas causes the explosions in the mines?
  11. Which compound is known as 'organic benzene'?
  12. Which light phenomenon causes the twinkling of stars?
  13. When two mirrors are parallel to each other, then ___ number of images are formed?
  14. Which mirror is used in the rear-view mirror of vehicles?
  15. Which type of mirror is used as shaving mirror & dentist mirror?
  16. What is the unit of power of lens?
  17. The refractive index of glass is maximum for ___ colour?
  18. Which type of lens is used in simple microscope?
  19. What is the working principle of the optical fibres?
  20. What is the working principle o a transformer?
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