Bio-diversity means:

Related Mcqs:

1. The types of bio-diversity are:

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

2. On the basis of genetic diversity, the following are differentiated with in a species:

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

3. 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

4. Biological diversity resources are:

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

5. Maintenance of Biological Diversity is:

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

6. 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

7. The term ‘bio-coenosis’ was coined by:

   A. Tansley
   B. Warming
   C. Carl Mobius
   D. S.C.Pandya

8. The term ‘Bio-magnification’ refers to the:

   A. Growth of organism due to food consumption
   B. Increase in population size
   C. Blowing up of environmental issues by man
   D. Increase in the concentration of non-degradable pollutants as they pass through food chain
   E. Decrease in population size

9. Hydrophytes (Aquatic Plants) means:

   A. A reduction of the protective, conducting and supporting tissues
   B. Absences of palisade tissue
   C. Both (a) & (b)
   D. None of these

10. Economic analysis means:

    A. It is carried out in terms of economic value
    B. We do not take into account tangible and intangible benefits
    C. It is carried out in term of social benefits and social costs
    D. All of the above