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प्रश्न
What is bio-indicator? How does it help human beings?
टिप्पणी लिखिए
उत्तर
- A bio-indicator or biological indicator is any species or group of species whose function or status reveals the qualitative status of the environment.
- Biological indicators are used to document and understand changes in Earth’s living systems especially changes caused by the activities of an expanding human population.
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Bio-indicators
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संबंधित प्रश्न
Match the following.
| Bio-pesticide | Neem Leaves |
| Bio-predators | Bacillus thuringiensis |
| Bio-fertilizer | Control white flies |
| Bio-indicators | Improve soil fertility |
| Bio-repellants | Quality of environment |
Lichen is a natural ______.
______ is a bio-predator.
