Most animals are tree dwellers in a : 
1. thorn woodland
2. temperate deciduous forest
3. tropical rain forest
4.coniferous forest

Subtopic:  Community Character |
 76%
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The term ecosystem was coined by :
1. E. Warming
2. E.P.Odum
3. A.G. Tansley
4. E. Haeckel

Subtopic:  Introduction |
 71%
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The primary producers of the deep-sea hydrothermal vent ecosystem are
1. coral reefs
2. green algae
3. chemosynthetic bacteria
4.blue-green-algae

Subtopic:  Decomposition |
 67%
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Which ecosystem has the maximum biomass
1. Forest ecosystem
2. Grassland ecosystem
3. Pond ecosystem
4. Lake ecosystem

Subtopic:  Ecosystem Productivity |
 73%
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Presence of plants arranged into well-defined vertical layers depending on their height can be seen best in

1. Tropical Savannah
2. Tropical Rain Forest
3. Grassland
4. Temperate Forest

Subtopic:  Introduction |
 85%
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Niche is
1. all the biological factors in the organism's environment
2. the functional role played by the organism where it lives
3. the range of temperature that the organism needs to live
4. the physical space where an organism lives

Subtopic:  Introduction |
 76%
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What type of ecological pyramid would be obtained with the following data?
Secondary consumer : 120 g
Primary consumer : 60 g
Primary producer : 10 g
1. Inverted pyramid of biomass
2. Upright pyramid of biomass
3. Upright pyramid of numbers
4. Pyramid of energy

Subtopic:  Ecological Pyramids |
 81%
From NCERT
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Pneumatophores occur in
1. Halophytes
2. Submerged hydrophytes
3. Carnivorous plants
4. Free-floating hydrophytes

Subtopic:  Components & Types of Ecosystems |
 71%
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Great Barrier Reef along east coast of Australia is a
1. Population
2. Community
3. Biome
4. Ecosystem

Subtopic:  Components & Types of Ecosystems |
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The accompanying figure represents an ecological pyramid. It is

 

1.  Pyramid of numbers in a grassland
2.  Pyramid of biomass in a fallow land
3.  Pyramid of biomass in a lake
4.  Energy pyramid in a spring

Subtopic:  Ecological Pyramids |
 58%
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