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Embryology Gastrulation - Questions and Answers

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6. Yolk plug is found in the
A. Blastula of amphioxus
B. Gastula of amphioxus
C. Blastula of frog
D. Gastrula of frog
Explanation:
7. In frog, the gastrula is rotated to bring its antero-posterior axis in a
A. Horizontal plane
B. Longitudinal plane
C. Latitudinal plane
D. Vertical plane
Explanation:
8. One of the following is not the type of emboly
A. Involution
B. Delamination
C. Epiboly
D. Invagination
Explanation:
9. In amphioxus gastrula, circular rim is called
A. Blastopore
B. Blastocoel
C. Archenteron
D. Lip of blastopore
Explanation:
10. Mesodermal cells are formed by
A. Involution
B. Invagination
C. Epiboly
D. Delamination
Explanation:
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