Comparative Endocrine Systems in Animals · NCERT Biology

Which hormone is secreted by the vertebrate adrenal medulla but has a similar stress-related role in insects?

  1. Cortisol
  2. Adrenaline
  3. Ecdysone
  4. Juvenile hormone
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Correct answer: Adrenaline

Adrenaline mediates stress responses in vertebrates. In insects, analogous neurohormones perform similar emergency functions.

Difficulty: Medium Question 15 of 20

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