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1. Why Improvement in Food Resources? To increase food production for growing population Improve quality & quantity of food Reduce losses from pests, diseases, and poor soil 2. Types of Crops TypeGrown InExampleKharifJune–Oct (Monsoon)Rice, maizeRabiNov–April (Winter)Wheat, mustard…

 Easy Notes All living organisms (biotic) and non-living things (abiotic) in an area = Ecosystem Examples: Forest, pond, aquarium 2. Components of Ecosystem BioticAbioticPlants, animals, humans, microbesSoil, water, air, light 3.…

 1. Discovery of Subatomic Particles Electron discovered by J.J. Thomson (1897) Proton discovered by Goldstein Neutron discovered by James Chadwick  2. Subatomic Particles Summary ParticleChargeMass (approx.)SymbolElectron-11/1836 ue⁻Proton+11 up⁺Neutron0 (Neutral)1 un⁰  3. Atomic Models a) Thomson’s Model (“Plum Pudding”) Atom = Positive…

   Detailed Notes  Atom: The smallest particle of an element. Takes part in chemical reactions. Cannot be created, destroyed or divided further (as per Dalton). Example: H, O, N  Molecule:…