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NEET UG BIOLOGY MCQ: ORGANISMS AND POPULATION
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Identify the incorrect statement.
(i) Thermoregulation energetically least expensive process for many organisms like shrews and humming birds.
(ii) animals and nearly all plants cannot maintain their constant internal environment.
(iii) During the course of evolution, the costs and heights of maintaining a constant internal environment are discarded.
(iv) In aquatic animals, the osmotic concentration of the body fluids change with that of the ambient water osmotic concentration.
(i) Thermoregulation energetically least expensive process for many organisms like shrews and humming birds.
(ii) animals and nearly all plants cannot maintain their constant internal environment.
(iii) During the course of evolution, the costs and heights of maintaining a constant internal environment are discarded.
(iv) In aquatic animals, the osmotic concentration of the body fluids change with that of the ambient water osmotic concentration.
View answer and explanation
Correct option: C
(i) and (iii)
Option C is correct because thermoregulation is energetically expensive, not least expensive, and the costs of maintaining a constant internal environment are not discarded during evolution, but rather optimized.
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