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Embryology Gastrulation - Questions and Answers

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26. Pancreas is derived from the germinal layer of
A. Ectoderm
B. Endoderm
C. Mesoderm
D. Chorda-Mesoderm
Explanation:
27. During gastrulation, which presumptive cells are found at the animal pole
A. Epidermis
B. Nervous system
C. Notochord
D. Both 1 and 2
Explanation:
28. In frog the lung and gills are developed from
A. Ectoderm
B. Endoderm
C. Mesoderm
D. Endometrium
Explanation:
29. The germinal layer from which the heart, kidneys and spleen are formed is
A. Ectoderm
B. Endoderm
C. Mesoderm
D. Hypoderm
Explanation:
30. During gastrulation, ectoderm completely covers the whole embryo by
A. Convergence
B. Involution
C. Invagination
D. Epiboly
Explanation: