Question

Gastrula end stage is characterised by

• A. Blastopore
• B. End of archenteron
• C. End of Blastocoel
• D. Formation of neural tube

Answer 1

The correct option is D Formation of neural tube

End of gastrulation

At the end of gastrulation, the ectoderm develops a fold and forms a neural plate or neural tube which later forms the brain and spinal cord.

Formation of the neural tube marks the end of gastrulation and the initiation of neurulation.

Final answer:

(c) Formation of neural tube