IGNOU BBYCT 131 2026 - "Bacteria have a major impact on human life by their beneficial a

Question

"Bacteria have a major impact on human life by their beneficial activities". Elaborate with examples.

31 Jan 2026

Answer :

Word Count : 253

Bacteria are among the most abundant and diverse microorganisms on Earth, playing a pivotal role in maintaining ecological balance and benefiting human life in multiple ways. One of the most important contributions of bacteria is in agriculture and soil fertility. Nitrogen-fixing bacteria, such as *Rhizobium* in leguminous plants, convert atmospheric nitrogen into ammonia, which is usable by plants,

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