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MEDIUM
ENGLISH
Agriculture
These belong to the category of primary consumers:
A
Snakes and frogs
Option A
B
Water insects
Option B
C
Eagle and snakes
Option C
D
Insects and cattle
Option D
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MEDIUM
ENGLISH
Agriculture
Buttresses are usually found in the plants growing in:
A
Tropical deciduous forests
Option A
B
Temperate coniferous forests
Option B
C
Temperate broad-leaf forest
Option C
D
Tropical rain forest
Option D
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MEDIUM
ENGLISH
Agriculture
In a biome the life form of climatic climax vegetation is:
A
Uniform
Option A
B
Variable
Option B
C
Absent
Option C
D
Unpredictable
Option D
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MEDIUM
ENGLISH
Agriculture
Decomposers are:
A
Autotrophs
Option A
B
Heterotrophs
Option B
C
Organotrophs
Option C
D
Auto heterotrophs
Option D
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MEDIUM
ENGLISH
Agriculture
The fungi in a forest ecosystem act as:
A
Macroconsumer
Option A
B
Decomposer
Option B
C
Omnivore
Option C
D
Producer
Option D
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MEDIUM
ENGLISH
Agriculture
In the phosphorus cycle, weathering makes phosphate available first to:
A
Decomposers
Option A
B
Consumers
Option B
C
Producers
Option C
D
All the above
Option D
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MEDIUM
ENGLISH
Agriculture
The ultimate energy source of ecosystem is:
A
Solar energy
Option A
B
Biomass
Option B
C
Producer
Option C
D
Carbohydrates
Option D
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MEDIUM
ENGLISH
Agriculture
In the following there is no difference:
A
Trophic level 1st and herbivores
Option A
B
Primary consumers and herbivores
Option B
C
Primary carnivore and trophic level 2nd
Option C
D
Secondary consumer and herbivores
Option D
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MEDIUM
ENGLISH
Agriculture
An ecosystem which can be easily damaged but can recover after sometime if damaging effect stops will be having:
A
High stability and low resilience
Option A
B
Low stability and low resilience
Option B
C
Low stability and high resilience
Option C
D
High stability and high resilience
Option D
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MEDIUM
ENGLISH
Agriculture
Ecological pyramids were discovered by:
A
Elton
Option A
B
Odum
Option B
C
Reiter
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Bacteria and fungi in a forest ecosystem are generally:
A
Producers
Option A
B
Decomposers
Option B
C
Primary consumers
Option C
D
Secondary consumers
Option D
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MEDIUM
ENGLISH
Agriculture
The correct sequence of food chain is:
A
Grass-insect-bird-snake
Option A
B
Grass-bird-insect-snake
Option B
C
Snake-bird-insect-grass
Option C
D
Grass-snake-bird-insect
Option D
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MEDIUM
ENGLISH
Agriculture
Environmental factors in ecosystem:
A
Abiotic factors
Option A
B
Biotic factors
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Which of the following is expected to have the highest value (gm/m2/yr) in a grassland ecosystem?
A
Tertiary Production
Option A
B
Gross Production (GP)
Option B
C
Net Production (NP)
Option C
D
Secondary Production
Option D
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MEDIUM
ENGLISH
Agriculture
Branches of ecology are:
A
Autecology
Option A
B
Synecology
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Abiotic factors are:
A
Climatic
Option A
B
Edaphic factors
Option B
C
Topography
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Components of ecosystem are:
A
Abiotic
Option A
B
Biotic
Option B
C
Both (a) & (b)
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Agriculture
Synecology can be subdivided into how many branches:
A
Population ecology
Option A
B
Community ecology
Option B
C
Ecosystem ecology
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Non-biotic components can be grouped into:
A
Lithosphere
Option A
B
Hydrosphere
Option B
C
Atmosphere
Option C
D
All of the above
Option D
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MEDIUM
ENGLISH
Agriculture
Biotic components are:
A
Producers (Autotrophy)
Option A
B
Macroconsumers (Heterotrophs)
Option B
C
Microconsumers (Saprotrophs/Decomposers)
Option C
D
All of the above
Option D
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