Question

In human embryo extra embryonic membrane is formed by

Answer 1

1. yolk sec 2. AMNION 3. Allantois 4. Chorion

Answer 2

The thin protective membranes formed outside the embryo in amniotes (reptiles, birds and mammals) which protect it from external shocks & helps in movement are known as extra embryonic membranes.

These are :-

1. Yolk sac.

2. Amnion.

3. Allantois.

4. Chorion.