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Embryology Gastrulation - Questions and Answers

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21. One of the following is not a kind of tubulation
A. Neurogenesis
B. Notogenesis
C. Mesogenesis
D. Metagenesis
Explanation:
22. The rolling in of the superficial cells over the rim of the blastopore is called
A. Invagination
B. Involution
C. Delamination
D. Epiboly
Explanation:
23. During gastrulation in frog, the prospective nervous system mainly expand due to
A. involution
B. Invagination
C. Epiboly
D. Delamination
Explanation:
24. Thyroid and anterior pituitary lobe are formed from the
A. Blastoderm
B. Mesoderm
C. Endoderm
D. Ectoderm
Explanation:
25. During gastrulation in frog, which is more active at the dorsal lip of blastopore
A. Epiboly
B. Invagination
C. Involution
D. Delamination
Explanation: