Class 9 science ncert chapter five the fundamental unit of life activity 5.1 solution in written
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Answer:
self pollination and cross polination
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Explanation:
Observation and explanation:
Some leaves and fruits like an onion peel, leaf skin etc have well-defined cell walls and nucleus. These cells are easily observable by the simple microscope. So, we use such cell to observe cell structures.
When we put such cells on microscope we see we defined cell wall and nucleus as given in the figure.
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