Question

Reptile and bird eggs are

• A. Macrolecithal
• B. Oligolecithal
• C. Mesolecithal
• D. Alecithal

Answer 1

Answer: (A)

Macrolecithal

Reptiles and birds are terrestrial animals. They lay large yolk-rich eggs which are covered with a porous shell. As the eggs are rich in yolk they can support the development of an embryo. Hence, embryogenesis occurs outside the body of the animal inside the egg. Such yolk-rich eggs are called as macrolecithal eggs.

So, the correct answer is option A.