7. Diversity In Living Organisms

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Download NCERT Solutions Class 9th Science Chapter 7 Diversity In Living Organisms  | Biological Diversity : Diversity of plants and animals - basic issues in scientifc naming, basis of classifcation. Hierarchy of categories / groups, Major groups64 of plants (salient features) (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms). Major groups of animals (salient features) (Nonchordates upto phyla and chordates upto classes).

Health and Diseases : Health and its failure. Infectious and Non-infectious diseases,
their causes and manifestation. Diseases caused by microbes (Virus, Bacteria and
Protozoans) and their prevention; Principles of treatment and prevention. Pulse
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