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Embryology Gastrulation - Questions and Answers

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1. The process of formation of primary organ rudiment is called
A. Tubulation
B. Neurulation
C. Elongation
D. Organogenesis
Explanation:
2. In frog gastrula, mesodermal cells remain separated from the notochordal cells by
A. Convergence
B. Delamination
C. Involution
D. Invagination
Explanation:
3. Which of the following is called chordo-mesoderm
A. Notochord and mesoderm
B. Notochord and endoderm
C. Ectoderm and mesoderm
D. Notochord and ectoderm
Explanation:
4. In gastrulation, the movement of ‘throwing in’ is known as
A. Epiboly
B. Emboly
C. Hypoboly
D. Hyperboly
Explanation:
5. The term mesogenesis refers to the formation of
A. Notochord only
B. Mesoderm only
C. Notochord and mesoderm
D. Notochord and nerve cord
Explanation:
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