जॉइन Examsbook
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प्र: The phenomenon of summer sleep by animals is called

  • 1
    hibernation
  • 2
    aestivation
  • 3
    laziness
  • 4
    lethargy
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उत्तर : 2. "aestivation"
व्याख्या :

Answer: B) aestivation Explanation: Aestivation is summer sleep. Many organisms like the snails do not find it comfortable in summer. They withdraw and lead a life with reduced BMR (basic Metabolic Rate) in a state of  dormancy.

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