Which of the following marine form is more susceptible for extinction?

Related Mcqs:

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

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

2. A taxon facing high risk of extinction in the wild is identified as:

   A. Endangered
   B. Critically endangered
   C. Vulnerable
   D. None of these

3. In a biome the life form of climatic climax vegetation is:

   A. Uniform
   B. Variable
   C. Absent
   D. Unpredictable

4. Form of forest produced by introducing a young crop beneath an existing immature is called:

   A. High forest with standards
   B. Two-storied high forest
   C. Wedge system
   D. None of these

5. In which system that the regeneration of the compartment is started form natural foci or groups of advance growth?

   A. Uniform system
   B. Group system
   C. Clear strip system
   D. None of these

6. The form of trees has been studied under the headings:

   A. Form quotient
   B. Form factor
   C. Form point
   D. Taper tables, curves and formulae
   E. All of the above

7. The growth of trees can be measured in the form of:

   A. Diameter
   B. Height
   C. Volume either of standing timber
   D. All of the above

8. Volume tables for any species is presented in the form:

   A. Dalbergia sissoo
   B. Standard stem timber in the round
   C. Solid volumes under bark
   D. All of the above

9. The conifers generally form a fairly complete forest cover of good height is:

   A. 22 to 44 m
   B. 24 to 46 m
   C. 26 to 48 m
   D. 28 to 50 m

10. An excellent habitat for wildlife in the form of:

    A. Alpine grazing lands
    B. Sub-alpine scrub
    C. Temperate forests
    D. All of the above