E-PolyLearning

6. Effect of auxin diffusing from apical bud on lateral shoots is known as
a. promoting effect
b. compensatory effect
c. inhibitory effect
d. supporting effect
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Answer: (c).inhibitory effect

7. Anterior end of neural groove, forms future
a. liver
b. spinal cord
c. heart
d. brain
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Answer: (d).brain

8. Blastula stage is characterized by presence of
a. blastoderm
b. blastocoele
c. neural plate
d. coelom
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Answer: (b).blastocoele

9. Blastoderm splits during
a. neurulation
b. gastrulation
c. blastulation
d. pompulation
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Answer: (b).gastrulation

10. Anterior end of primitive streak is occupied by
a. mesodermal cells
b. notochordal cells
c. endodermal cells
d. ectodermal cells
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Answer: (b).notochordal cells

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