UPSC Prelims 2024 · Question 69 of 97

UPSC Prelims 2024 question on Poisonous Butterflies Fish Frogs

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
Show answer

Answer: C. All three

Verdict

All three groups have poisonous species → Option (c).

Analysis

Butterflies – POISONOUS: Papilio antimachus, also called the African giant swallowtail, is the most poisonous butterfly in the world. It contains cardiac steroid toxins. The toxin in a male can poison 20 cats.

Fish – POISONOUS: Venomous fish are species of fish which produce strong mixtures of toxins harmful to humans and deliver them by means of a bite, sting, or stab. The Reef Stonefish is the most venomous fish in the world.

Frogs – POISONOUS: Many species of frog are known to be poisonous, such as the often colourful poison dart frogs. There are currently only two species of frog known to be venomous: Bruno's casque-headed frog and Greening's frog, both found in Brazil.

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