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How is organism affected by temperature?...

How is organism affected by temperature?

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Temperature is one of the important factors which affect almost all the metabolic activities of an organism. Every physiological process in an organism requires an optimum temperature at which it shows the maximum metabolic rate. Three limits of temperature can be recognized for any organism. They are:
(i) Minimum temperature - Physiological activities are lowest.
(ii) Optimum temperature - Physiological activities are maximum.
(iii) Maximum temperature - Physiological activities will stop.
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Knowledge Check

  • (I) Temperature affects almost all the metabolic activities of an organism. (II) At minimum temperature, physiological activities are lowest. (III) At optimum temperature, physiological activities will stop. (IV) Maximum temperature physiological activities are maximum

    A
    I and IV only
    B
    II, IV only
    C
    I and II only
    D
    I and III only

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