Rhino has become a threated species on account of over exploitation for its:

Related Mcqs:

1. Exotic species, which brought for plantation from some other country to our country or even from one ecosystem to other ecosystem are called, as exotic species like:

   A. Pinus nigra – Japan B. Euralyptus – Australia C. Polunia – China D. All of the above...

2. The species characteristics are an expression of the genetic make up of an animal species influencing the extend and nature of ______.

   A. Home range, breeding season B. Longevity, territory and the niche C. Both (a) & (b) D. None of these...

3. The approximate number of plant species, according to WCMC, that have become extinct in the last four centuries:

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

4. Niche of a species in an ecosystem refers to its:

   A. Place of occurrence B. Competitive ability C. Centre of origin D. Function at its place of occurrence...

5. A branch of ecology which is concerned with the study of individual species at all stages of its life cycle in relation to environment is called:

   A. Reproductive ecology B. Autecology C. Synecology D. Ecological niche...

6. The number of sampling units expressed in percentage in which a particular species occurs is called its:

   A. Abundance B. Density C. Frequency D. Phenology...

7. The number of individuals of a species per sampling unit is called its:

   A. Biomass B. Abundance C. Density D. Frequency...

8. The number of species in a single community is described as:

   A. Species diversity B. Alpha diversity C. Beta diversity D. Genetic diversity...

9. Which of the following is not a reason of unnatural extinction of species?

   A. Environmental pollution B. Soil erosion C. Afforestation D. Increased urbanization...

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

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