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| Q. |
Which of the following weeds has been found effective in checking water pollution caused by industrial affluents? |
| A. | Water hyacinth |
| B. | Elephant Grass |
| C. | Parthenium |
| D. | Both (2) and (3) |
| Answer» A. Water hyacinth | |
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Explanation: Plants that are resistant to crude oil toxicity such as black poplar and willows, as well as miscanthus grass (elephant grass) have been found to be effective in the remediation of oil polluted soil. Bioadsorbents like Moringo oliefera seeds and Parthenium hysterophorus plants are effective for the removal of industrial p011utants in water. |
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