Forestry
A lake with an inflow of domestic sewage rich in organic waste may result in:
Drying of the lake very soon due to algal bloom
An increased production of fish due to lot of nutrients
Increased population of aquatic food web organisms
Death of fish due to lack of oxygen
Death of fish due to lack of oxygen
Related posts
The light of cities is reduced in comparison to villages due to the presence of:A. SO2 and SO3
B. SO2 and oxides of nitrogen
C. Hydrocarbons and N2O
D. Suspended particulate matter
Eroded soils are:
A. Rich in plant nutrients
B. Unaltered in plant nutrients
C. Devoid of plant nutrients
D. All of these
When one population is harmed and the other remains unaffected the relationship is called:
A. Amensalism
B. Predation
C. Protoco-operation
D. Parasitism
Measurement involve in forest mensuration:
A. The determination of the dimension, form, volume, age and increments of logs, single trees, stands or whole (B.C.F.T.)
B. It is art of taking measurements for compiling data. In forestry this art is applied / used for measuring the forest produce e.g. Timber, firewood, st
C. Both (a) & (b)
D. None of these
The Tharparkar Desert is situated in:
A. Tharparkar
B. Sanghar
C. Mirpur Khas
D. All of the above
The zone of atmosphere that lies near the ground is:
A. Troposphere
B. Stratosphere
C. Homosphere
D. Heterosphere
Plants growing on burnt soil are called:
A. Heliophilous
B. Hydrophilous
C. Pyrophilous
D. Pyriform
Leave a Reply