important question that will come in exam of final paper CBSE class 9 from chapter improvement in food resources
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1 Give merits and demerits of fish culture?
2 Write the modes through which insect effect crop yields ?
3 Define the term hybridization?
4 differentiate between compost and vermi composting?
2 Write the modes through which insect effect crop yields ?
3 Define the term hybridization?
4 differentiate between compost and vermi composting?
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