The Accidental Tourist | Moments-Summary, Explanation | Class 9

Author: Bill Bryson Introduction This is a humorous story where the writer talks of the incidences where he acts clumsy.…

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Environmental Issues | Revision Notes | Class 12

With increase in human population, demands for food, shelter, water, electricity, roads, and automobiles are increasing rapidly and exerting pressure…

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Biodiversity and Conservation | Revision Notes | Class 12

Biodiversity or biological diversity is the occurrence of different types of ecosystems, different species of organisms and their variant like…

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Molecular Basis of Inheritance | Biology | Revision Notes |Class 12

DNA (Deoxyribonucleic Acid) and RNA (Ribonucleic Acid) are two types of nucleic acid found in living organisms. DNA acts as…

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Principles of Inheritance and Variation | Biology | Revision Notes |Class 12

Genetics is the study of principles and mechanism of heredity and variation. Gregor Johann Mendel is known as ‘father of…

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