write a short note on ch 5 bio class 9
c.b.s.e ncert
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Class 9 CH 5 Science Notes
Explanation:
Robert Brown discovered the nucleus in the cell in 1831. Purkinje coined the term 'protoplasm' for the fluid substance of the cell in 1839.
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Study Material and Notes of Ch 5 The Fundamental unit of Life Class 9th Science.
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learn the names of scientist and what they invented, types of cells ' animal and plant cell
Explanation:
main que come in exam
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