41. Which force pulls objects toward Earth?
✅ B. Gravity
a: Buoyancy | b: Gravity | c: Friction | d: Magnetism only Read more
Everyday Science MCQs – Page 3
42. What is the closest star to Earth?
✅ B. The Sun
a: Proxima Centauri | b: The Sun | c: Sirius | d: Polaris Read more
43. Which planet is known for its prominent ring system?
✅ C. Saturn
a: Mercury | b: Mars | c: Saturn | d: Venus Read more
44. What is the chemical symbol for oxygen?
✅ A. O
a: O | b: Og | c: Ox | d: Oy Read more
45. How many millilitres are in 30 litres?
✅ C. 30000
a: 3000 | b: 300 | c: 30000 | d: 1030 Read more
46. How many millilitres are in 7 litres?
✅ B. 7000
a: 70 | b: 7000 | c: 1007 | d: 700 Read more
47. Which layer helps protect Earth from much of the Sun’s ultraviolet radiation?
✅ B. Ozone layer
a: Mantle | b: Ozone layer | c: Tropospheric dust layer | d: Inner core Read more
48. Which gas is essential for most human cellular respiration?
✅ B. Oxygen
a: Hydrogen only | b: Oxygen | c: Chlorine | d: Neon Read more
49. Which particle has a negative electric charge?
✅ A. Electron
a: Electron | b: Neutron | c: Photon | d: Proton Read more
50. Which state of matter has a definite volume but no fixed shape?
✅ B. Liquid
a: Solid | b: Liquid | c: Plasma only | d: Gas Read more
51. Which organ filters blood to produce urine?
✅ B. Kidney
a: Stomach | b: Kidney | c: Spleen | d: Pancreas Read more
52. Which molecule carries genetic information in most living organisms?
✅ A. DNA
a: DNA | b: Starch | c: Chlorophyll | d: Haemoglobin Read more
53. What is the pH of a neutral solution at about 25°C?
✅ B. 7
a: 1 | b: 7 | c: 4 | d: 14 Read more
54. Which planet is the largest in the Solar System?
✅ C. Jupiter
a: Venus | b: Earth | c: Jupiter | d: Mars Read more
55. Which type of energy is associated with motion?
✅ C. Kinetic energy
a: Potential energy only | b: Nuclear charge | c: Kinetic energy | d: Chemical energy only Read more
56. Which process changes liquid water into water vapour?
✅ C. Evaporation
a: Deposition | b: Freezing | c: Evaporation | d: Condensation Read more
57. Which instrument measures atmospheric pressure?
✅ D. Barometer
a: Thermometer | b: Hygrometer | c: Anemometer | d: Barometer Read more
58. What is the center of an atom called?
✅ C. Nucleus
a: Molecule | b: Cell membrane | c: Nucleus | d: Electron shell Read more
59. What is the basic unit of life?
✅ A. Cell
a: Cell | b: Organ | c: Atom | d: Tissue Read more
60. At sea level, water boils at approximately what temperature?
✅ B. 100°C
a: 50°C | b: 100°C | c: 150°C | d: 0°C Read more