MCQ
The phenomenon of using a predator for controlling a pest is
- ✓Biological control
- BGenetic engineering
- CArtificial control
- DConfusion technique
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| Column-I | Column-II | ||
| (P) | Lichens | (i) | Parasitism |
| (Q) | Abingdon tortoise and goat | (ii) | Commensalism |
| (R) | Sea anemone and clown fish | (iii) | Competition |
| (S) | Human and liver fluke | (iv) | Mutualism |