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Q1. Which of the following is not a constituent of a bio-gas plant?
Q2. Which of the following is not a form of oceanic energy?
Q3. Which of the following is not a part of DC generator?
Q4. The known forces of nature can be divided into four classes, viz: gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is NOT correct?
Q5. Which of the following is not a part of moving coil galvanometer?
Q6. Which of the following is not an example of a bio-mass energy source?
Q7. Which of the following is not an example of a transverse wave?
Q8. Which of the following is not an example of bio-mass energy source?
Q9. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? (1) There are no clouds or water vapour in the lower stratosphere. (2) There are no vertical winds in the lower stratosphere. Which of the statement/s given above is/are correct in this context?
Q10. If there were no phenomenon of capillarity ......(1) it would be difficult to use a kerosene lamp. (2) one would not be able to use a straw to consume a soft drink (3) the blotting paper would fail to function (4) the big trees that we see around would not have grown on the Earth.
Q11. Which of the following is NOT and example of the transverse wave?
Q12. Which of the following is not attracted by a magnet?
Q13. Which of the following is not nuclear fuel?
Q14. Which of the following is not on EM wave?
Q15. Which of the following is not the characteristic of a good fuel?
Q16. Which of the following is renewable source of energy
Q17. Which of the following is source of AC?
Q18. Which of the following is the correct mirror formula
Q19. Which of the following is the longest wave?
Q20. Which of the following is used to conduct several communication experiments?
Q21. Which of the following is used to determine the direction of the current induced in a coil due to its rotation in a magnetic field?
Q22. Which of the following materials cannot be used to make a lens?
Q23. Which of the following pair of energies does not create pollution?
Q24. Which of the following property of a proton can change when it moves in a magnetic field?
Q25. Which of the following sound waves cannot be heard by human?
Q26. Which of the following substances has the highest specific heat capacity?
Q27. Biomas gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statement/s is/are correct? (1) Coconut shells, groundnut shells and rice husk can be used in biomass gasification. (2) The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only (3) The combustible gases generated from biomass gasification can be used for direct heat generation but in internal combustion engines. Pick the correct answer.
Q28. Which of the following traps and absorbs IR radiation?
Q29. Which of the following uses conventional source of energy?
Q30. Which of these has the highest calorific values?
Q31. Which one acts a moderator as well as coolant?
Q32. Which one acts as a cathode in the coolidge tube?
Q33. Which one acts as a negative electrode in a simple voltaic cell?
Q34. Which one causes ozone depletion?
Q35. Which one determines the fission reaction whether its is controlled or uncontrolled?
Q36. Which one does not acts as a coolant?
Q37. Which one does not possess shape and volume?
Q38. Which one is a hole in the middle of the coloured diaphragm of the eye?
Q39. Which one is not a fossil fuel?
Q40. Which one is slightly heavier than proton?
Q41. Which one is the antiparticle of electorn?
Q42. Which one is the centre of universe according to geocentric theory?
Q43. Which one is the centre of Universe, according to Heliocentre theory?
Q44. Which one is the natural satellite of the earth?
Q45. Which one is the natural source of UV rays?
Q46. Which one is the screen on which real image is formed after refraction?
Q47. Which one is used as a coolant in radiators of auto mobile engines?
Q48. Which one is used as a fuel in a reactor?
Q49. Which one is used as coolant in a nuclear reactor?
Q50. Which one is used to detect IR rays?
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