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What is the deleted syllabus of cbse class 9

Answer» Oooooo????
CBSE Class 9 Science (086) - Deleted portion (Theory):\tUnit I: Matter-Nature and Behaviour ChapterTopicsMatter in Our SurroundingsDefinition of matter; solid, liquid and gas; characteristics - shape, volume, density; change of state-melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.Unit II: Organization in the Living World ChapterTopicsDiversity in Living OrganismsDiversity of plants and animals-basic issues in scientific naming, basis of classification. Hierarchy of categories / groups, Major groups of plants (salient features) (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms). Major groups of animals (salient features) (Non-chordates upto phyla and chordates upto classes).Unit III: Motion, Force and Work ChapterTopicsFloatationThrust and Pressure. Archimedes’ Principle; Buoyancy; Elementary idea of Relative Density.SoundNature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo and SONAR. Structure of the Human Ear (Auditory aspect only).Unit V: Food Production ChapterTopicsImprovement in Food ResourcesPlant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.\t\xa0


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