Biodiversity

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

A. In-situ conservation
B. Ex-situ conservation
C. Why conserve biological diversity
D. All of the above

A. Food
B. Pharmaceuticals
C. Both (a) & (b)
D. None of these

A. Genetic diversity
B. Species diversity
C. Ecosystem diversity
D. All of the above

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

A. Dioscuri
B. Taxus
C. Rauvolfia
D. Papaver

A. 834
B. 483
C. 533
D. 384

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

A. Ecads
B. Ecotypes
C. Populations
D. Communities

A. Fishes
B. Crabs
C. Birds
D. Mammals