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Bio-geo chemical cycles in nature - class-IX
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The wormicide character of _____ destroys worms in water.
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A
Azotobacter
💡 Explanation:
The wormicide character that kills worms in water are Azotobactor.
Azotobactors are one of the Nitrogen-fixing bacteria. Hence they are used as bio-fertilisers for many plants.
The size of Azotobactor varies from 1-20 μm in length and 1-2 μm.
Azotobactors can be generally found in alkaline soil and aquatic regions. So, the correct answer is A.