CSS :: Associated Concepts in Forestry

1.  Silviculture means:
A. Methods of raising tree crops and their growth and care upto the time of the final harvesting B. Silviculture is the science and art of cultivating forest crops, based on knowledge of silvics
C. Both (a) & (b) D. None of these

2.  Forests means:
A. To society of American forests (SAF) is an eco-system characterized by a more or less dense and extensive tree cover B. A plant community with predominance of trees and other woody vegetation, growing more or less closely together
C. Both (a) & (b) D. None of these

3.  What is Pollution?
A. An undesirable change in physical, chemical or biological characteristics of air, water or land that may B. Will harmfully affect human life, directly or indirectly
C. Both (a) & (b) D. None of these

4.  What is Pollutants:
A. Agents that pollute; these may be gaseous (vapours) or particulate (solid and liquid particles) B. On the basis of the amount and their relative harmfulness or toxicity
C. Both (a) & (b) D. None of these

5.  Apiculture is
A. Apiary B. Apiology
C. Apitoxin D. Bee(s)
E. All of the above    

6.  Biofertilizers are:
A. Fertilizer: Manure: any substance applied to soil fertility and increase plant growth and yield, these may be organic in organic or of bio-origin B. Organic fertilizers: prepared from plant residues (cotton seedcake, groundnut cake etc.)
C. Both (a) & (b) D. None of these

7.  Inorganic of mineral origin are:
A. Inorganic fertilizers B. Bio-origin fertilizers
C. Green manuring D. All of the above

8.  Green manuring plants are:
A. Egyptian clover (barseem)Trifolium alexandrnum B. Dhaincha (jayannti) Sesbania aculeata
C. Cowpea (lobia) Vigna sinensis D. All of the above

9.  Aquaculture are:
A. The cultivation and harvest of freshwater B. Marine animals and plants
C. In ponds tanks cages or on protected beds D. All of the above

10.  The Antarctic ozone hole are:
A. The name given to the first report of changes in the amount of ozone B. The upper layers of the atmosphere over the south pole
C. Both (a) & (b) D. None of these

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