General Science MCQs - Filtration Phase PDF

Filtration Phase (Difficult MCQs - General Science) 1. Which fundamental particle is responsible for electricity? a) Proton b) Neutron c) Electron d) Positron Answer: c) Electron 2. Which vitamin deficiency causes rickets? a) Vitamin A b) Vitamin B12 c) Vitamin C d) Vitamin D Answer: d)...

Filtration Phase (Difficult MCQs - General Science) 1. Which fundamental particle is responsible for electricity? a) Proton b) Neutron c) Electron d) Positron Answer: c) Electron 2. Which vitamin deficiency causes rickets? a) Vitamin A b) Vitamin B12 c) Vitamin C d) Vitamin D Answer: d) Vitamin D 3. What is the second most abundant gas in Earth’s atmosphere? a) Oxygen b) Carbon dioxide c) Argon d) Hydrogen Answer: a) Oxygen 4. Which scientist discovered the neutron? a) J.J. Thomson b) James Chadwick c) Ernest Rutherford d) Niels Bohr Answer: b) James Chadwick 5. What is the pH of pure water? a) 5 b) 6 c) 7 d) 8 Answer: c) 7 6. Which blood type is the universal donor? a) A+ b) O- c) AB+ d) B- Answer: b) O- 7. What is the name of the largest artery in the human body? a) Pulmonary artery b) Aorta c) Carotid artery d) Femoral artery Answer: b) Aorta 8. Which of the following is NOT a noble gas? a) Neon b) Helium c) Chlorine d) Argon Answer: c) Chlorine  9. What is the unit of radioactivity? a) Joule b) Curie c) Tesla d) Pascal Answer: b) Curie 10. Which law explains why a rocket moves forward when it expels gas backward? a) Newton’s First Law b) Newton’s Second Law c) Newton’s Third Law d) Law of Universal Gravitation Answer: c) Newton’s Third Law Round 1: Team vs. Team (Difficult Questions - Structured & MCQs) 1. (Physics) What is the SI unit of capacitance? Answer: Farad (F) 2. (Chemistry) What is the oxidation state of oxygen in most compounds? (MCQ) a) -1 b) 0 c) -2 d) +1 Answer: c) -2 3. (Biology) What is the longest bone in the human body? Answer: Femur (Thigh bone) 4. (General Knowledge) What is the heaviest naturally occurring element? (MCQ) a) Uranium b) Plutonium c) Osmium d) Lead Answer: a) Uranium Round 2: Head-to-Head (One-Word Answer Questions) 1. Which gas do plants absorb during photosynthesis? Answer: Carbon dioxide 2. What is the SI unit of frequency? Answer: Hertz (Hz) 3. Which vitamin helps in blood clotting? Answer: Vitamin K 4. What is the heaviest organ in the human body? Answer: Liver 5. Which element is present in all organic compounds? Answer: Carbon Round 3: Avicenna (Category-Based Difficult Questions) Category: Astronomy 1. Which planet rotates in the opposite direction to most other planets? Answer: Venus 2. What is the name of the largest volcano in our solar system, located on Mars? Answer: Olympus Mons 3. What is the most common element in the universe? Answer: Hydrogen 4. Which galaxy is closest to the Milky Way? Answer: Andromeda Galaxy Category: Physics 1. What type of lens is used in a magnifying glass? Answer: Convex lens 2. Which type of wave is used in mobile communication? Answer: Radio waves 3. Which law states that an increase in pressure on a confined fluid is transmitted equally in all directions? Answer: Pascal’s Law 4. What is the phenomenon called when light bends while passing through different mediums? Answer: Refraction Round 4: Einstein - Final Round (Difficult MCQs & Structured Questions) 1. (MCQ) What is the hardest material in the human body? a) Bone b) Enamel c) Cartilage d) Keratin Answer: b) Enamel 2. (Structured) What is the name of the scientist who discovered penicillin? Answer: Alexander Fleming 3. **(Image Identification) Identify the scientist known for the Periodic Table. (Image of Dmitri Mendeleev) Answer: Dmitri Mendeleev 4. (MCQ) What is the chemical formula of rust? a) Fe2O3 b) FeO c) Fe2O3·xH2O d) Fe3O4 Answer: c) Fe2O3·xH2O 5. (Structured) What is the largest gland in the human body? Answer: Liver