Biology

Third year / 9th Grade

Here are the best resources to pass Biology. Find Biology study guides, notes, assignments, and much more.

NCERT

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Mary Jones, Geoff Jones

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Class notes

Class notes Biology
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8

June 2026

2025/2026
These well-organized and easy-to-understand notes cover the complete Tissue chapter for Class 9 Biology. The notes include important definitions, characteristics, classifications, functions, and key exam points presented in a concise format for quick revision.
baljitkaur7
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Class notes

CellCell TheoryUnicellular OrganismMulticellular OrganismPlasma MembraneCell WallCytoplasmNucleusDNACell OrganellesMitochondriaEndoplasmic Reticulum (ER)RibosomesGolgi ApparatusLysosomesVacuolesDiffusionOsmosisSelective
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10

June 2026

2025/2026
Here is a summary of "The Fundamental Unit of Life" (Class 9 Science): The Fundamental Unit of Life – Summary The cell is known as the fundamental unit of life because all living organisms are made up of cells. It is the smallest structural and functional unit that can perform all life processes. The discovery of cells was made by Robert Hooke in 1665 when he observed a thin slice of cork under a microscope. Later, Antonie van Leeuwenhoek observed living cells. The cell theory was proposed ...
ayushmanyadav
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Summary

Cell the basic unit of life
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2

May 2026

2025/2026
It's a summary notes which help the students of ICSE class 9th. It's a notes of Biology Chapter 1The Cell which would help student understand the concepts.
alkak6370
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