Class 7 CBSE Biology | Nutrition In Plants - Part 2 | Xylem Class 7 CBSE
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Summary
Class 7 CBSE Biology discusses plant nutrition, focusing on autotrophic and heterotrophic modes. It explores parasitic, saprotrophic, and symbiotic relationships, highlighting examples like Cuscuta and lichen. The importance of nitrogen-fixing bacteria in legumes and the role of fungi in ecosystems are also emphasized, alongside the need for fertilizers to maintain soil fertility.