Biology · Microbes in Human Welfare
Cyanobacteria are widely used as biofertilisers in paddy fields. Consider the following statements about their functions: 1. They fix atmospheric nitrogen, enriching soil fertility. 2. They produce potent chemical toxins that act as broad-spectrum insecticides to control all insect pests. 3. They contribute organic matter to the soil and promote microbial diversity. 4. They can survive and function effectively in waterlogged soils. Which of the above statements is NOT correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement 4
- 2Statement 3
- 3Statement 2✓
- 4Statement 1
Correct answer
Statement 2
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