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Forestry
It has been possible to raise the yield of resin from chir pine from the existing 1.5 kg per tree to 3.5 kg on the average per tree by using the American Bark Hack mathod in conjunction with ______ sulfuric acid:
30%
40%
50%
60%
Author:
rikazzz
Comment
Forestry
Tarbela dam on river:
Jhelum
Chenab
Indus
Ravi
Author:
rikazzz
Comment
Forestry
When the substratum has ample of organic matter and there are many deterivore participating in the process, the succession is called:
Allogenic
Retrogressive
Heterotrophic
Induced
Author:
rikazzz
Comment
Forestry
Ten per cent law of energy transfer, in a food chain was enunciated by:
Elton
Heackel
Lindeman
Schimper
Author:
rikazzz
Comment
Forestry
Proximity of water level at low depths of soils results in development of:
No roots at all
Curved roots
Long roots
Shallow roots
Author:
rikazzz
Comment
Forestry
Production of constructional timber is:
The main enduses are all kinds of building construction wood containers and creates, cots and beds, mining timber
All sorts of carts, truck, bus and trolley bodies, bamboo carts, boards, railway carriages
Building construction and wood containers alone constitute about 50% of the consumption
All of the above
Author:
rikazzz
Comment
Forestry
The hotter sandstone aspect consists of:
Acacia modesta
Gymnosporea royleama
Zizyphus nummularia
All of the above
Author:
rikazzz
Comment
Forestry
Measurement of the rate of O2 consumption in unit volume of water over a period of time is done to find out:
Biogas generation
Biological oxygen demand
Biosynthetic path way
Fermentation
Author:
rikazzz
Comment
Forestry
Plant succession taking place in sandy area is precisely called:
Halosere
Psammosere
Xerosere
Hydrosere
Author:
rikazzz
Comment
Forestry
The Mango facts of trees is:
An important role in certain religious and cultural festivities in the Hindu Religion
The wood, bark and leaves are all used for hawan (fire that is ignited at the time of worship)
Both (a) & (b)
None of these
Author:
rikazzz
Comment
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