A:-Boswellia sp.
B:-Pinus sp.
C:-Commiphora
D:-Cedrus
Correct Answer:- Option-B
Question49:-The Biological Diversity Bill, 2000 does not have an appropriate legislation for
A:-Biodiversity conservation
B:-Benefit sharing of bio resources
C:-Protection of traditional knowledge
D:-Patent protection
Correct Answer:- Option-C
Question50:-The most important factor determining natural durability of wood is
A:-Toxic extractives
B:-Aspirated pits
C:-Lack of nutrients
D:-Low moisture content
Correct Answer:- Option-A
Question51:-Change in a vegetation community can be measured using
A:-Cover
B:-Frequency
C:-Density
D:-Plant biomass
Correct Answer:- Option-B
Question52:-Vegetation coveris
A:-The total cover of vegetation on a site
B:-The area of ground covered by the vertical projection of the aerial portions of the plants
C:-The cover of plants, litter, rocks and gravel on a site
D:-The area of ground surface occupied by the basal portion of the plants
Correct Answer:- Option-A
Question53:-Variable density thinning 15 done to
A:-To create a desired balance between individual tree attributes
B:-To create structural and spatial heterogeneity
C:-To improve the growth rate or health of the remaining trees
D:-To remove trees having litle or no economic value
Correct Answer:- Option-B
Question54:-The article in the Indian constitution which provides for specific provision for the protection and improvement of
the Environment is

A:-Article 58-A
B:-Article 48-A
C:-Article 48-B
D:-Article 68-A
Correct Answer:- Option-B
Question55:-Carbon is held in the terrestrial system in
A:-Vegetation
B:-Soils
C:-Fossil fuels
D:-All of the above
Correct Answer:- Option-D
Question56:-Select the one which is not a fast wood species
A:-Acacia
B:-Teak
C:-Poplar
D:-Rose wood
Correct Answer:- Option-D
Question57:-A method of preserving wood involving impregnation with copper sulfate under pressure is called
A:-Boucherie process
B:-Lowry process
C:-Bethell process
D:-Luping process