General science covering physics chemistry and biology up to tenth standard level - One Line Questions

1. What is the boiling point of water at standard atmospheric pressure? — 100 degrees Celsius
2. What is the chemical symbol for gold? — Au
3. What is the unit of electric resistance? — Ohm
4. Which type of microorganism causes malaria? — Protozoa
5. Which gas is commonly known as laughing gas? — Nitrous Oxide
6. What is the basic unit of heredity? — Gene
7. What is the chemical formula for carbon dioxide? — CO2
8. Which of the following is an example of a renewable energy source? — Solar Energy
9. What is the process of a liquid turning into a gas called? — Evaporation
10. Which metal is used in the filament of an electric bulb? — Tungsten
11. What is the process of separation of components of a mixture by selective dissolving called? — Solvent Extraction
12. What is the process of conversion of water vapor into liquid water called? — Condensation
13. What is the main function of red blood cells? — Carrying oxygen
14. Which element has the symbol 'Fe'? — Iron
15. Which force keeps us grounded on Earth? — Gravity
16. What is the hardest natural substance on Earth? — Diamond
17. Which force opposes motion between two surfaces in contact? — Frictional Force
18. What is the chemical formula for common salt? — NaCl
19. What is the chemical formula for sulfuric acid? — H2SO4
20. What is the unit of frequency? — Hertz
21. What is the phenomenon of scattering of light by particles in the atmosphere called? — Tyndall Effect
22. Which metal is liquid at room temperature? — Mercury
23. Which of the following is a disease of the blood? — Leukemia
24. What is the SI unit of force? — Newton
25. What is the SI unit of power? — Watt
26. Which part of the plant absorbs water and minerals from the soil? — Root
27. Which organ in the human body is responsible for pumping blood? — Heart
28. Which planet is known as the 'Morning Star' or 'Evening Star'? — Venus
29. What is the process of digestion of food in humans? — Mechanical and Chemical
30. What is the process by which a solid changes directly into a gas? — Sublimation
31. Which of the following is an example of a chemical change? — Burning of wood
32. Which gas is produced by the decomposition of organic matter? — Methane
33. What is the SI unit of pressure? — Pascal
34. What is the powerhouse of the cell? — Mitochondrion
35. What is the unit of electric current? — Ampere
36. What is the main component of air? — Nitrogen
37. Which gas is produced during the respiration of plants? — Oxygen
38. Which gas is used in balloons for its lightness? — Hydrogen
39. Which gas is responsible for the greenhouse effect? — Carbon Dioxide
40. What is the phenomenon of light bending as it passes from one medium to another called? — Refraction
41. What is the change in direction of a wave when it encounters a barrier called? — Reflection
42. What is the process by which plants make their own food called? — Photosynthesis
43. Which part of the human eye controls the amount of light entering? — Iris
44. Which disease is caused by a deficiency of Vitamin C? — Scurvy
45. Which part of the plant is responsible for photosynthesis? — Leaf
46. Which of the following is a good conductor of electricity? — Copper
47. Which type of rock is formed from molten lava? — Igneous
48. Which instrument is used to measure atmospheric pressure? — Barometer
49. Which hormone regulates blood sugar levels? — Insulin
50. Which vitamin is essential for blood clotting? — Vitamin K
All One Line Questions
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