Q. Consider the following:
1. Butterflies
2. Fish
3. Frogs
How many of the above have poisonous species among them?
Answer: C
Notes:
Exp) Option c is the correct answer.
Item 1 is correct. Monarch butterflies have poison in their vibrant wings.
Item 2 is correct. There exist more than 1000 poisonous species of fish. For example, Reef Stonefish, which is the most venomous known fish.
Item 3 is correct. Many species of frog are known to be poisonous. The Golden Poison Frog or Phyllobates terribilis is the most poisonous frog.
Source: NCERT Class 11th Biology
https://www.deccanherald.com/science/butterflies-are-pretty-and-poisonous-too-heres-why-1021085.html
https://fishesofaustralia.net.au/home/content/161 https://www.nhm.ac.uk/discover/can-frogs-be-venomous.html#:~:text=But%20although%20incredibly%20rare%2C%20there,Greening’s%20frog%20(Corythomantis%20greeningi)
