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Forestry
In a hydrosere, the submered stage is followed by:
Phytoplanktons
Reed-swamps
Sedges
Floating plants
Author:
rikazzz
Comment
Forestry
Terracing is an affective method of soil conservation:
Desert areas
Hilly areas
Plains
Riverine areas
Author:
rikazzz
Comment
Forestry
Soils transported by air is called:
Eolian
Aerial
Residual
Colluvial
Author:
rikazzz
Comment
Forestry
Sunken stomata are found in:
Xerophytes
Hydrophytes
Mesophytes
Halophytes
Author:
rikazzz
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Forestry
The maximum amount of CO2 fixed by green plants by way of photosynthesis in a year is:
9 x 1013 kg
8 x 1012 kg
9 x 1011 kg
8 x 1010 kg
Author:
rikazzz
Comment
Forestry
Trees as source of protein by which way:
Forests are the natural habitat of all wildlife
A large variety of trees, shrubs and grasses in different ecological zones
Which should support a large number of birds, mammals and reptiles for cover as well as food
All of the above
Author:
rikazzz
Comment
Forestry
General principles of a national forest policy are:
Obtain maximum benefits from the forest resources on a sustainable basis
Fix short and long term goals and identify strategies to achieve those goals
Both (a) & (b)
None of these
Author:
rikazzz
Comment
Forestry
Influence on crop yields is:
Are carefully measured at various points on a line perpendicular to the center of the windbreak
By calculation, it can be shown that the total potential yields for most crops will be 2-10% greater on the field
Both (a) & (b)
None of these
Author:
rikazzz
Comment
Forestry
According to Lindemann, the total solar input in terms of gcal/cm2/year is:
112,887
118,872
181,872
112,788
Author:
rikazzz
Comment
Forestry
The chemical produced by the host plant to protect themselves against fungal infection is:
Toxin
Hormone
Phytotoxin
Phytoalexin
Author:
rikazzz
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