Q. No.Autecology is the:
1.
Relation of heterogeneous populations to their environment
2.
Relation of an individual to its environment
3.
Relation of a community to its environment
4.
Relation of a biome to its environment
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Ecotone is:
1. A polluted area
2. The bottom of a lake
3. A zone of transition between two communities
4. A zone of developing community
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Biosphere is:
| 1. | A component in the ecosystem |
| 2. | Composed of the plants present in the soil |
| 3. | Life in the outer space |
| 4. | Composed of all living organisms present on earth which interact with the physical environment |
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The ecological niche is:
| 1. | The surface area of the ocean |
| 2. | An ecologically adapted zone |
| 3. | The physical position and functional role of a species within the community |
| 4. | Formed of all plants and animals living at the bottom of a lake |
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According to Allen’s Rule, mammals from colder climates have:
1. Shorter ears and longer limbs
2. Longer ears and shorter limbs
3. Longer ears and longer limbs
4. Shorter ears and shorter limbs
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Salt concentration (Salinity) of the sea measured in parts per thousand is:
1. 10-15
2. 30-70
3. 0-5
4. 30-35
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Formation of tropical forests needs mean annual temperature and mean annual precipitation as:
1. 18 – 25 °C and 150 – 400 cm
2. 5 – 15 °C and 50 – 100 cm
3. 30 - 50°C and 100 – 150 cm
4. 5 – 15 °C and 100 – 200 cm
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Which of the following forest plants controls the light conditions at the ground?
1. Lianas and climbers
2. Shrubs
3. Tall trees
4. Herbs
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What will happen to a well-growing herbaceous plant in the forest if it is transplanted outside the forest in a park?
| 1. | It will grow normally |
| 2. | It will grow well because it is planted in the same locality |
| 3. | It may not survive because of changes in its microclimate |
| 4. | It grows very well because the plant gets more sunlight |
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If a population of 50 Paramoecium present in a pool increases to 150 after an hour, what would be the percent growth or birth rate per individual per hour?
| 1. | 100 | 2. | 200 |
| 3. | 50 | 4. | 150 |
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