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Forestry
The major types of soil erosion are:
Normal or geological
Accelerated
Both (a) & (b)
None of these
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Forestry
The most harmful effect of ionising radiations precisely involves:
Cell membrances
DNA
Mitochondria and ribosomes
Nucleus
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Forestry
Which of the following is not a reason of unnatural extinction of species?
Environmental pollution
Soil erosion
Afforestation
Increased urbanization
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Forestry
What is the major methods of obtaining regeneration?
The preparatory felling
The seeding felling
The secondary and final fellings
All of the above
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Forestry
Some reliable indicators of air pollutants (SO2 and noxious gases) are:
Ferns and Cycas
Green algae and aquatic liverworts
Lichens and mosses
Neem’ tree and Eichhornia
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rikazzz
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Forestry
The SO2 is returned to the atomsphere by:
Metabolism of producers
Metabolism of consumers
Both (a) & (b)
Combustion of fuel
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rikazzz
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Forestry
The soil moisture constants are:
Hygroscopic co-efficient
Water holding capacity
Field Capacity
All of the above
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rikazzz
Comment
Forestry
Community participation in the conservation and management of biodiversity is:
Active participation of local communities in the management
Conservation of biodiversity both in protected areas declared as such
The areas outside the protected area system must be ensured
All of the above
Author:
rikazzz
Comment
Forestry
Additionally, there are attributes, which, theoretically, all agroforestry system posses are:
Productivity
Sustainability
Adoptability
All of the above
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rikazzz
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Forestry
Plant groups growing in zones where high temperature alternates with low temperature are called:
Megatherms
Hekistotherms
Microtherms
Mesotherms
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rikazzz
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