Embryo Development

Q.

Give the technical term for the membrane that protects the foetus and secretes a protective fluid.

Q.

Complete the following sentences by writing the correct words.
Immediately after implantation, the inner cell mass differentiates into an outer layer called _________ and an inner layer called _________.

Q. Arrange the events of embryo formation
sequentially and choose the correct option:
I. Blastocyst II. Mature embryo
III. Morula IV. Zygotic cleavage
V. Blastomeres

1. $IV\to III\to I\to V\to II$
2. $V\to II\to I\to III\to IV$
3. $IV\to III\to V\to I\to II$
4. $IV\to V\to III\to I\to II$

Q.

Which one develops from endoderm?

1. Nervous system, urinary bladder and eye

2. Liver, connective tissue and heart

3. Thymus, spinal cord and brain

4. Liver, pancreas and thymus/thyroid