In which of the following interactions both partners are adversely affected?
1. | Competition | 2. | Predation |
3. | Parasitism | 4. | Mutualism |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe following graph depicts changes in two populations (A and B) of herbivores in a grassy field. A possible reason for these changes is that:
1. | both plant populations in this habitat decreased |
2. | population-B competed more successfully for food than population-A |
3. | population-A produced more offspring than population-B |
4. | population-A consumed the members of population-B |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAccording to Darwin, organic evolution is due to:
1. | Interspecific competition. |
2. | Competition within closely related species. |
3. | Reduced feeding efficiency in one species due to the presence of interfering species. |
4. | Intraspecific competition. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA high density of elephant population in an area can result in:
1. mutualism
2. Intraspecific competition
3. Interspecific completion
4. Predation on one another
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology