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Agronomy-Data Intensity 4 Multiple Questions and Answers.
| 1. | The living together of two or more species in a prolonged and intimate ecological relationship is called___? | ||
| A. | Symbiosis | ||
| B. | Biosystem | ||
| C. | Auto environment | ||
| D. | Climate | ||
| 2. | Pulling of off- type plants from a cropped field is called____? | ||
| A. | Rouging | ||
| B. | Weeding | ||
| C. | Pruning | ||
| D. | None of the above | ||
| 3. | The ratio of actual cultivated area to a total farm area over a year is called____? | ||
| A. | Cropping pattern | ||
| B. | Cropping intensity | ||
| C. | Cost-benefit ratio | ||
| D. | None of the above | ||
| 4. | The wearing away of the land surface by wind, water, ice or other geological agent is called____? | ||
| A. | Seepage | ||
| B. | Soil conservation | ||
| C. | Erosion | ||
| D. | fertility depletion | ||
| 5. | The harmful influence of one living plant on another living plant by the secretion of a toxic substance is called____? | ||
| A. | Allergy | ||
| B. | Allelopathy | ||
| C. | Parasitism | ||
| D. | Antagorusm | ||
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