Entry Test MCQ :: Growth and Development
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31. |
Peripheral part of blastoderm making contact with yolk is called |
A. |
Area pellucida |
B. |
Area opaca |
C. |
Blastocoel |
D. |
Area plana |
Answer: Option B
Explanation:
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32. |
Cavity formed between somatic and splanchnic mesoderm is called |
A. |
Gastrocoele |
B. |
Blastocoele |
C. |
Coelom |
D. |
Neurocoele |
Answer: Option C
Explanation:
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33. |
Mechanism of development was explained by |
A. |
Hans Dietrisch |
B. |
Spemann |
C. |
Both a and b |
D. |
Haemmerling |
Answer: Option C
Explanation:
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34. |
Which statement is correct about gray crescent? |
A. |
A pigmented area that appears at time of fertilization |
B. |
A pigment free area that disappears at the time of fertilization |
C. |
A hyperpigmented area that is present in the embryo |
D. |
A pigment free area that appears at time of fertilization |
Answer: Option D
Explanation:
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35. |
Which statement is incorrect? |
A. |
Fertilized egg of an ascidian contains cytoplasm of four colours |
B. |
Yellow cytoplasm gives rise to gut |
C. |
Grey equatorial cytoplasm gives rise to notochord. |
D. |
Grey vegetal cytoplasm gives rise to gut |
Answer: Option B
Explanation:
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36. |
Acetabularia crenulata has |
A. |
Irregular shaped cap |
B. |
Regular shaped cap |
C. |
Irregular while young and regular while adult |
D. |
No cap |
Answer: Option A
Explanation:
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37. |
Which statement is correct? |
A. |
Ectodermal cells have effect on mesodermal cells to induce differentiation |
B. |
Mesodermal cells stimulate ectodermal cells to form nervous system |
C. |
Endodermal cells stimulate ectodermal cells |
D. |
All are correct |
Answer: Option B
Explanation:
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38. |
Negative physiological changes in our body is called |
A. |
Teratology |
B. |
Aging |
C. |
Regeneration |
D. |
Embryonic induction |
Answer: Option B
Explanation:
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39. |
Study of aging is |
A. |
Teratology |
B. |
Embryology |
C. |
Gerontology |
D. |
Pathology |
Answer: Option C
Explanation:
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40. |
The ability to regain or recover the lost or injured part of body is |
A. |
Aging |
B. |
Regeneration |
C. |
Abnormal development |
D. |
Primary induction |
Answer: Option B
Explanation:
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