Multiple choice

The fertilisation that takes place inside a female's body is called internal fertilisation. In which of the following animals does internal fertilisation not take place?

  1. Rabbits

  2. Sparrows

  3. Crocodiles

  4. Frogs

  5. Silk moths

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. In frogs, external fertilisation takes place.