JCECE Medical JCECE Medical Solved Paper-2002

  • question_answer
    Organisms that are unable to tolerate wide variations of salt concentrations in the environment are termed:

    A)  stenohaline    

    B)  euryhaline

    C)  enohaline      

    D)  none of these

    Correct Answer: A

    Solution :

     For the relative degree of tolerance a series of terms have come into general use in ecology that use the prefix steno-narrow and eury-wide. Thus, Temperature tolerance: (i) Stenothermal-Narrow    range    of temperature (ii) Eurythermal- Wide range of temperature: Water tolerance: (i) Stenohydric- Narrow range of water (ii) Euryhybric- Wide range of water: Salinity tolerance: (i) Stenohaline-Narrow range of salt concentration (ii) Euryhaline-Wide    range   of   salt concentration Food tolerance: (i) Stenophagic    (ii) Euryphagic.


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