Q. Consider the following :
- Butterflies
- Fish
- Frogs
How many of the above have poisonous species among them?
- Only one
- Only two
- All three
- None
Answer: (c) All three
Notes:
- Butterflies: There are indeed poisonous species among butterflies. For example, the Monarch butterfly (Danaus plexippus) is poisonous due to the toxic chemicals it ingests from milkweed plants during its larval stage. Hence, butterflies have poisonous species.
- Fish: There are many species of fish that are poisonous. For example, the Pufferfish (Tetraodontidae family) contains tetrodotoxin, a potent neurotoxin. Hence, fish have poisonous species.
- Frogs: Certain species of frogs are poisonous. The most notable are the Poison Dart Frogs (Dendrobatidae family), which have toxic skin secretions used by indigenous people to poison their blowgun darts. Hence, frogs have poisonous species.
