IUCN stands for 

  • Indian Union for Conservation of Nature

  • International Union for Conservation of Nature

  • Indian Union of Chemical Nomenclature

  • International Union for the conservation of Nutrients


B.

International Union for Conservation of Nature


Soil salinity is measured by

  • Porometer

  • Calorimeter

  • Conductivity meter

  • Potometer


C.

Conductivity meter

Conductivity meter measures soil salinity Porometer is an apparatus for knowing the relative sizes of stomata. Potometer is used for measuring the rate of transpiration.


Which one of the following combination is incorrect?

  • Rio convention → Air pollution

  • Kyoto protocol  → Climate change

  • Montreal Protocol → Ozone depletion

  • Ramsar Convention → Wetland conservation


A.

Rio convention → Air pollution

The historic convention on biological diversity (the earth summit) held in Rid de Janerio was the Rio convention, (in 1992). It called upon all nations to take appropriate measure for sustainable utilisation and conservation of biological diversity.


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Which of the following in sewage treatment remove suspended solids?

  • Tertiary treatment

  • Secondary treatment

  • Primary treatment

  • Primary treatment


C.

Primary treatment

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Which of the following species are restricted to an area?

  • Sympatric species

  • Sibling species

  • Allopatric species

  • Endemic species


D.

Endemic species

Endemic species represents a population that are restricted geographically to a particular area in a given time.


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