Consider the following: 1. Butterflies 2. Fish 3. Frogs. How many of the above have poisonous species among…

Consider the following: 1. Butterflies 2. Fish 3. Frogs. How many of the above have poisonous species among them?
  1. Only one
  2. Only two
  3. All three
  4. None

Solution

All three groups include poisonous/venomous species — e.g., Monarch and Pipevine Swallowtail butterflies (toxic alkaloids), pufferfish/stonefish (tetrodotoxin/venom), and poison-dart frogs (batrachotoxin).

Asked in: UPSC Prelims 2024

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