⚛️ Physics (1–35)
- What is SI unit of force?
👉 Newton - What is SI unit of work?
👉 Joule - What is SI unit of power?
👉 Watt - What is velocity?
👉 Speed with direction - What is acceleration?
👉 Rate of change of velocity - Who gave laws of motion?
👉 Isaac Newton - What is gravity?
👉 Force of attraction - What is SI unit of pressure?
👉 Pascal - What is energy?
👉 Capacity to do work - Types of energy?
👉 Kinetic & Potential - What is light?
👉 Form of energy - Speed of light?
👉 3 × 10⁸ m/s - What is sound?
👉 Mechanical wave - What is frequency?
👉 Number of vibrations - SI unit of frequency?
👉 Hertz - What is echo?
👉 Reflection of sound - What is reflection?
👉 Bouncing of light - What is refraction?
👉 Bending of light - What is lens?
👉 Optical device - Types of lenses?
👉 Concave & Convex - What is mirror?
👉 Reflecting surface - Types of mirrors?
👉 Plane, concave, convex - What is electricity?
👉 Flow of electrons - SI unit of current?
👉 Ampere - Who discovered electricity?
👉 Benjamin Franklin - What is voltage?
👉 Potential difference - SI unit of resistance?
👉 Ohm - What is magnet?
👉 Material with magnetic field - What is electromagnetism?
👉 Electricity + magnetism - What is heat?
👉 Form of energy - What is temperature?
👉 Measure of heat - SI unit of temperature?
👉 Kelvin - What is conduction?
👉 Heat transfer - What is convection?
👉 Heat transfer by fluid - What is radiation?
👉 Heat transfer without medium
🧪 Chemistry (36–70)
- What is atom?
👉 Smallest unit of matter - Who discovered atom concept?
👉 John Dalton - What is molecule?
👉 Group of atoms - What is element?
👉 Pure substance - What is compound?
👉 Combination of elements - What is mixture?
👉 Physical combination - What is periodic table?
👉 Arrangement of elements - Who created periodic table?
👉 Dmitri Mendeleev - What is atomic number?
👉 Number of protons - What is mass number?
👉 Protons + neutrons - What is valency?
👉 Combining capacity - What is pH scale?
👉 Measure of acidity - pH of neutral substance?
👉 7 - What is acid?
👉 Proton donor - What is base?
👉 Proton acceptor - What is salt?
👉 Acid + base product - What is oxidation?
👉 Loss of electrons - What is reduction?
👉 Gain of electrons - What is catalyst?
👉 Speeds reaction - What is chemical reaction?
👉 Change in substance - What is exothermic reaction?
👉 Releases heat - What is endothermic reaction?
👉 Absorbs heat - What is metal?
👉 Conducts heat & electricity - What is non-metal?
👉 Poor conductor - What is alloy?
👉 Mixture of metals - Example of alloy?
👉 Brass - What is corrosion?
👉 Rusting process - What is rust?
👉 Iron oxide - What is electrolysis?
👉 Chemical decomposition - What is hydrocarbon?
👉 Carbon + hydrogen - What is polymer?
👉 Large molecules - What is soap?
👉 Cleaning agent - What is detergent?
👉 Synthetic cleaner - What is gas law?
👉 Behavior of gases - What is Avogadro’s law?
👉 Equal volumes
🧬 Biology (71–100)
- What is cell?
👉 Basic unit of life - Who discovered cell?
👉 Robert Hooke - What is DNA?
👉 Genetic material - What is gene?
👉 Unit of heredity - What is tissue?
👉 Group of cells - What is organ?
👉 Group of tissues - What is system?
👉 Group of organs - What is photosynthesis?
👉 Food making process - Which gas is used in photosynthesis?
👉 Carbon dioxide - Which gas is released?
👉 Oxygen - What is respiration?
👉 Energy release - What is digestion?
👉 Breaking food - What is blood?
👉 Fluid tissue - What are RBCs?
👉 Red blood cells - What are WBCs?
👉 White blood cells - What is hemoglobin?
👉 Oxygen carrier - What is heart?
👉 Pumping organ - How many chambers in human heart?
👉 4 - What is brain?
👉 Control center - What is neuron?
👉 Nerve cell - What is hormone?
👉 Chemical messenger - What is insulin?
👉 Controls sugar - What is immunity?
👉 Disease resistance - What is vaccine?
👉 Disease prevention - What is bacteria?
👉 Microorganism - What is virus?
👉 Infectious agent - What is fungus?
👉 Type of organism - What is ecosystem?
👉 Living + non-living - What is food chain?
👉 Energy transfer - What is biodiversity?
👉 Variety of life