MCQ
World’s most problematic aquatic weed is:
- AAzolla
- BTrapa
- CWolffia
- ✓Eichornia
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| Column $– I$ | Column $- II$ |
| $(a)$ Thrive in wide range of temperature | $(i)$ Eurythermal |
| $(b)$ Tolerant of a wide range of salinities | $(ii)$ Stenothermal |
| $(c)$ Thrive in narrow range of temperature | $(iii)$ Euryhaline |
| $(d)$ Tolerant of a narrow range of salinities | $(iv)$ Stenohaline |

$I.$ use of biofertilisers and biopesticides
$II.$ crop rotation
$III.$ locally developed pest resistant varieties
Choose the correct option