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UPSC Prelims 1990Question 97Science & Technology

When compared to the mammals, birds are less sensitive to temporary deprivation of water, because

Options

  1. (a)The water requirement per unit weight is less in birds than in mammals.
  2. (b)Absorption of water from the gut is more efficient in birds than in mammals.
  3. (c)Urea excretion in mammals entails a greater loss of water than that in birds.
  4. (d)None of these

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