Question Detail
Question
Which of these membranes act primarily as a 'bladder' for storing excretory products during the embryonic development in reptiles and birds?
Correct Answer
Option C is the correct answer.
Detailed Explanation
The allantois is an extra-embryonic membrane that stores metabolic waste products (uric acid) from the embryo in reptiles and birds. It also fuses with the chorion to form the chorioallantoic membrane for gas exchange.
Hint
Which membrane acts as a waste disposal sac in egg-laying animals?