Question

In which of the following external fertilization is seen?

• A. Reptile
• B. Birds
• C. Chondrichthyes
• D. None of the above

Answer 1

The correct option is D None of the above

External fertilization is a characteristic of aquatic animals. Terrestrial animals like reptiles, birds and mammals show internal fertilization. Chondrichthyes (cartilage fish) are marine animals with a streamlined body and have the cartilaginous endoskeleton. They have internal fertilization and many of them are viviparous.

So, the correct answer is option D.