A. Forests area under the control of the forest department is 4.23 m. HA.
B. Per-capita forest area is less than 0.03 ha.
C. Both (a) & (b)
D. None of these
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A bacterium found in the root nodules of leguminous plants is the:
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Conservator of Forests looks after proper management of a:
A. Clostridium
B. Azotobacter
C. Nitrobacter
D. Rhizobium
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The bacteria, which reduce nitrates in the soil to gaseous nitrogen, are known as denitrifying bacteria such as:
A. Forest circle
B. Working circle
C. Forest compartment
D. Felling series
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Removal of top soil by soil erosion result in the loss of soil:
A. Nitromonas
B. Pseudomonas
C. Nostoc
D. Rhizobium
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The transfer of food energy from the sources in plants through a series of organisms with repeated stages of eating and being eaten is known as:
A. Nitrites
B. Nitrates
C. Nitrogen
D. Nitric and nitrous acids
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Short and simple food chains are rare in the world and may be found in simple ecosystems like:
A. Food way
B. Food web
C. Food link
D. Food chain
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An animal which captures and readily kills live animals for its food is known as:
A. Savanna
B. Tundra
C. Grassland
D. Desert
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Desertification is:
A. Predator
B. Parasite
C. Symbionts
D. None of these
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An association between two organisms belonging to different species, which live together for mutual benefit or on partner gets benefit and other, is neither benefited nor harmed is known as:
A. Spread of the desert
B. Control of the desert
C. Use of the desert for good of mankind
D. None of these
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