| 01 | What is the pH value of pure water at 25°C? (A) 5.0 (B) 7.0 (C) 8.2 (D) 14.0 |
| 02 | Which element has the highest electronegativity? (A) Oxygen (B) Chlorine (C) Fluorine (D) Nitrogen |
| 03 | What is the SI unit of luminous intensity? (A) Candela (B) Lux (C) Lumen (D) Watt |
| 04 | Which gas is primarily responsible for the greenhouse effect on Earth? (A) Oxygen (B) Carbon dioxide (C) Nitrogen (D) Argon |
| 05 | What is the chemical formula for ozone? (A) O2 (B) O3 (C) O4 (D) HO2 |
| 06 | Which part of the human brain controls balance and coordination? (A) Cerebrum (B) Medulla (C) Cerebellum (D) Thalamus |
| 07 | What is the hardest naturally occurring substance on Earth? (A) Diamond (B) Quartz (C) Corundum (D) Tungsten |
| 08 | Which blood type is considered the universal donor? (A) O negative (B) A positive (C) AB positive (D) B negative |
| 09 | What is the speed of light in a vacuum? (A) 300 km/s (B) 3,000 km/s (C) 299,792 km/s (D) 30,000 km/s |
| 10 | Which scientist discovered the law of gravity? (A) Albert Einstein (B) Isaac Newton (C) Galileo Galilei (D) Nikola Tesla |
| 11 | What is the main component of natural gas? (A) Propane (B) Methane (C) Butane (D) Ethane |
| 12 | Which planet has the most moons in our solar system? (A) Earth (B) Saturn (C) Jupiter (D) Neptune |
| 13 | What is the chemical symbol for gold? (A) Go (B) Gd (C) Au (D) Ag |
| 14 | Which vitamin is produced by the human body when exposed to sunlight? (A) Vitamin A (B) Vitamin D (C) Vitamin E (D) Vitamin K |
| 15 | What is the largest organ in the human body? (A) Liver (B) Brain (C) Skin (D) Lungs |
| 16 | Which gas makes up about 78% of Earth's atmosphere? (A) Nitrogen (B) Oxygen (C) Carbon dioxide (D) Argon |
| 17 | What is the chemical formula for table salt? (A) NaClO (B) NaCl (C) Na2Cl (D) NaHCl |
| 18 | Which particle in an atom has a negative charge? (A) Proton (B) Neutron (C) Electron (D) Nucleon |
| 19 | What is the boiling point of water at sea level? (A) 90°C (B) 100°C (C) 110°C (D) 120°C |
| 20 | Which scientist proposed the theory of relativity? (A) Albert Einstein (B) Isaac Newton (C) Stephen Hawking (D) Niels Bohr |
| 21 | What is the main function of red blood cells? (A) Fight infection (B) Transport oxygen (C) Digest food (D) Produce hormones |
| 22 | Which metal is liquid at room temperature? (A) Sodium (B) Aluminum (C) Mercury (D) Iron |
| 23 | What is the study of fossils called? (A) Geology (B) Biology (C) Paleontology (D) Archaeology |
| 24 | Which planet is known as the Red Planet? (A) Venus (B) Mars (C) Jupiter (D) Saturn |
| 25 | What is the chemical symbol for iron? (A) Ir (B) Fe (C) In (D) Fr |
| 26 | Which organ produces insulin in the human body? (A) Liver (B) Stomach (C) Pancreas (D) Kidney |
| 27 | What is the most abundant gas in the Sun? (A) Hydrogen (B) Helium (C) Oxygen (D) Nitrogen |
| 28 | Which scientist discovered penicillin? (A) Marie Curie (B) Alexander Fleming (C) Louis Pasteur (D) Robert Koch |
| 29 | What is the unit of electrical resistance? (A) Volt (B) Ampere (C) Ohm (D) Watt |
| 30 | Which vitamin is essential for blood clotting? (A) Vitamin A (B) Vitamin B12 (C) Vitamin C (D) Vitamin K |
| 31 | What is the process by which plants make their own food called? (A) Respiration (B) Photosynthesis (C) Transpiration (D) Fermentation |
| 32 | Which of the following is NOT a noble gas? (A) Helium (B) Neon (C) Chlorine (D) Argon |
| 33 | What is the main component of the Sun’s energy production? (A) Nuclear fusion (B) Nuclear fission (C) Combustion (D) Chemical reactions |
| 34 | Which bone is the longest in the human body? (A) Humerus (B) Femur (C) Tibia (D) Radius |
| 35 | What is the chemical formula for sulfuric acid? (A) HCl (B) HNO3 (C) H2SO4 (D) H3PO4 |
| 36 | Which planet has the most extensive ring system? (A) Jupiter (B) Saturn (C) Uranus (D) Neptune |
| 37 | What is the smallest unit of life? (A) Atom (B) Molecule (C) Cell (D) Organelle |
| 38 | Which scientist formulated the laws of motion? (A) Galileo (B) Newton (C) Einstein (D) Kepler |
| 39 | What is the freezing point of water in Fahrenheit? (A) 0°F (B) 32°F (C) 100°F (D) 212°F |
| 40 | Which part of the eye controls the amount of light entering? (A) Retina (B) Lens (C) Iris (D) Cornea |
| 41 | What is the chemical symbol for potassium? (A) Pt (B) P (C) K (D) Po |
| 42 | Which gas is used in balloons to make them float? (A) Oxygen (B) Nitrogen (C) Helium (D) Hydrogen |
| 43 | What is the primary function of white blood cells? (A) Fight infections (B) Carry oxygen (C) Digest food (D) Store energy |
| 44 | Which of these is NOT a type of RNA? (A) mRNA (B) tRNA (C) DNA (D) rRNA |
| 45 | What is the Earth’s outermost layer called? (A) Mantle (B) Crust (C) Core (D) Lithosphere |
| 46 | Which scientist discovered X-rays? (A) Marie Curie (B) Wilhelm Rรถntgen (C) Thomas Edison (D) Nikola Tesla |
| 47 | What is the chemical formula for ammonia? (A) NH2 (B) NH3 (C) NO2 (D) N2H4 |
| 48 | Which planet is known for its Great Red Spot? (A) Mars (B) Jupiter (C) Saturn (D) Neptune |
| 49 | What is the main component of Earth’s core? (A) Silicon (B) Iron (C) Nickel (D) Magnesium |
| 50 | Which vitamin deficiency causes scurvy? (A) Vitamin A (B) Vitamin D (C) Vitamin C (D) Vitamin B12 |
| 51 | What is the chemical symbol for silver? (A) Si (B) Ag (C) Au (D) Sr |
| 52 | Which of these is a greenhouse gas? (A) Oxygen (B) Nitrogen (C) Methane (D) Argon |
| 53 | What is the largest planet in our solar system? (A) Earth (B) Saturn (C) Jupiter (D) Neptune |
| 54 | Which organ filters blood in the human body? (A) Heart (B) Lungs (C) Kidneys (D) Liver |
| 55 | What is the chemical formula for carbon dioxide? (A) CO (B) CO2 (C) C2O (D) C2O2 |
| 56 | Which scientist proposed the theory of evolution? (A) Gregor Mendel (B) Charles Darwin (C) Alfred Wallace (D) Louis Pasteur |
| 57 | What is the unit of frequency? (A) Ohm (B) Watt (C) Hertz (D) Volt |
| 58 | Which metal is the best conductor of electricity? (A) Aluminum (B) Silver (C) Copper (D) Gold |
| 59 | What is the chemical symbol for sodium? (A) So (B) Sd (C) Na (D) No |
| 60 | Which blood vessel carries oxygenated blood from the lungs to the heart? (A) Aorta (B) Pulmonary vein (C) Pulmonary artery (D) Vena cava |
| 61 | What is the chemical formula for hydrogen peroxide? (A) H2O (B) H2O2 (C) HO2 (D) H3O |
| 62 | Which planet is closest to the Sun? (A) Mercury (B) Venus (C) Earth (D) Mars |
| 63 | What is the main function of mitochondria? (A) Protein synthesis (B) Energy production (C) Waste removal (D) DNA storage |
| 64 | Which scientist discovered radioactivity? (A) Henri Becquerel (B) Marie Curie (C) Ernest Rutherford (D) Niels Bohr |
| 65 | What is the chemical symbol for lead? (A) Ld (B) Pb (C) Le (D) Pl |
| 66 | Which of these is NOT a fundamental force of nature? (A) Gravity (B) Electromagnetism (C) Friction (D) Strong nuclear force |
| 67 | What is the chemical formula for methane? (A) CH2 (B) CH4 (C) C2H6 (D) CO2 |
| 68 | Which gland is known as the "master gland"? (A) Thyroid (B) Pituitary (C) Adrenal (D) Pancreas |
| 69 | What is the chemical symbol for tungsten? (A) Tu (B) Tn (C) W (D) Tg |
| 70 | Which of these is a non-renewable energy source? (A) Solar (B) Wind (C) Coal (D) Hydroelectric |
| 71 | What is the chemical formula for glucose? (A) C6H10O5 (B) C6H12O6 (C) C12H22O11 (D) CH2O |
| 72 | Which planet has the longest day (rotation period)? (A) Mercury (B) Venus (C) Jupiter (D) Mars |
| 73 | What is the chemical symbol for uranium? (A) Ur (B) Um (C) U (D) Un |
| 74 | Which of these is a vector quantity? (A) Mass (B) Temperature (C) Force (D) Energy |
| 75 | What is the chemical formula for nitric acid? (A) HCl (B) HNO3 (C) H2SO4 (D) H3PO4 |
| 76 | Which scientist discovered the electron? (A) Ernest Rutherford (B) J.J. Thomson (C) James Chadwick (D) Niels Bohr |
| 77 | What is the chemical symbol for tin? (A) Ti (B) Sn (C) Tn (D) Si |
| 78 | Which of these is NOT a type of electromagnetic wave? (A) X-ray (B) Microwave (C) Sound wave (D) Gamma ray |
| 79 | What is the chemical formula for calcium carbonate? (A) CaO (B) Ca(OH)2 (C) CaCO3 (D) CaCl2 |
| 80 | Which planet has the highest average surface temperature? (A) Mercury (B) Venus (C) Earth (D) Mars |
| 81 | What is the chemical symbol for zinc? (A) Zi (B) Zn (C) Zc (D) Z |
| 82 | Which of these is a scalar quantity? (A) Speed (B) Velocity (C) Acceleration (D) Force |
| 83 | What is the chemical formula for propane? (A) CH4 (B) C2H6 (C) C3H8 (D) C4H10 |
| 84 | Which scientist is known for the uncertainty principle? (A) Niels Bohr (B) Werner Heisenberg (C) Max Planck (D) Erwin Schrรถdinger |
| 85 | What is the chemical symbol for nickel? (A) Nc (B) Nk (C) Ni (D) Ne |
| 86 | Which of these is NOT a subatomic particle? (A) Proton (B) Neutron (C) Molecule (D) Electron |
| 87 | What is the chemical formula for ethanol? (A) CH3OH (B) C2H5OH (C) C3H7OH (D) C4H9OH |
| 88 | Which planet has the most extreme seasons due to its axial tilt? (A) Mars (B) Jupiter (C) Uranus (D) Saturn |
| 89 | What is the chemical symbol for barium? (A) Bm (B) Br (C) Ba (D) Be |
| 90 | Which of these is NOT a unit of power? (A) Watt (B) Horsepower (C) Joule (D) Kilowatt |
| 91 | What is the chemical formula for phosphoric acid? (A) H2SO4 (B) HNO3 (C) H3PO4 (D) HCl |
| 92 | Which scientist first measured the speed of light? (A) Galileo (B) Ole Rรธmer (C) Isaac Newton (D) Albert Einstein |
| 93 | What is the chemical symbol for cobalt? (A) Cb (B) Ct (C) Co (D) Cl |
| 94 | Which of these is NOT a type of galaxy? (A) Spiral (B) Elliptical (C) Cubic (D) Irregular |
| 95 | What is the chemical formula for sulfur dioxide? (A) SO (B) SO2 (C) SO3 (D) S2O |
| 96 | Which scientist discovered the neutron? (A) Ernest Rutherford (B) J.J. Thomson (C) James Chadwick (D) Niels Bohr |
| 97 | What is the chemical symbol for manganese? (A) Mg (B) Ma (C) Mn (D) Ms |
| 98 | Which of these is NOT a fundamental particle in the Standard Model? (A) Quark (B) Lepton (C) Graviton (D) Boson |
| 99 | What is the chemical formula for acetic acid? (A) HCl (B) H2SO4 (C) CH3COOH (D) HNO3 |
| 100 | Which scientist formulated the laws of planetary motion? (A) Galileo (B) Newton (C) Kepler (D) Copernicus |
See Also: General Knowledge MCQs for FPSC, PPSC, SPSC.