Rhino has become a threated species on account of over exploitation for its:
A.Skin
B.Bones
C.Horn
D.Tusks
Category: Biodiversity Mcqs
Which of the following is not a reason of unnatural extinction of species?
A.Environmental pollution
B.Soil erosion
C.Afforestation
D.Increased urbanization
Reserpine is obtained from:
A.Dioscorea
B.Taxus
C.Rauvolfia
D.Papaver
Biological diversity resources are:
A.Food
B.Pharmaceuticals
C.Both (a) & (b)
D.None of these
Other material values of biological diversity are:
A.Many natural or semi-natural ecosystems
B.Some of which may be high biological diversity, are of considerable benefit to man
C.To role of forests in watershed regulation and stabilization of soils in erosion-prone areas
D.All of the above
Bio-diversity means:
A.A contraction of biological diversity.
B.The range of variation or differences among
C.Some set of entities; biological diversity thus refers to variety within the living world
D.All of the above
The protected areas include:
A.National parks and sanctuaries
B.Sanctuaries and biosphere reserves
C.National parks and biosphere reserves
D.All of these
The causes of loss of biological diversity are:
A.Over hunting is perhaps the most obvious direct cause of extinction in animals, as it has affected several large and well-known species
B.Genetic diversity as represented by genetic differences between discrete populations with wild species, is liable to reduction as result of the same factors affecting species
C.A major, though at present largely unpredictable, change in natural environments is likely to occur within the next century as a result of large-scale changes in global climate and weather patterns
D.All of the above
The types of bio-diversity are:
A.Genetic diversity
B.Species diversity
C.Ecosystem diversity
D.All of the above
A taxon facing high risk of extinction in the wild is identified as:
A.Endangered
B.Critically endangered
C.Vulnerable
D.None of these
