| 46. | Different cytoplasmic components contain different |
| a. | morphogenetic determinants |
| b. | phsiological determinants |
| c. | histologic determinants |
| d. | anatomic determinants |
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Answer: (a).morphogenetic determinants
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| 47. | Growth of plants is influenced by |
| a. | intensity of light |
| b. | quality of light |
| c. | duration of light |
| d. | all of the above |
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Answer: (d).all of the above
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| 48. | Chick after completing its development is hatched on the |
| a. | tenth day |
| b. | twenty first day |
| c. | eleventh day |
| d. | thirty first day |
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Answer: (b).twenty first day
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| 49. | In chick of 18 hours, flat thickened area of ectoderm is seen as |
| a. | neural folds |
| b. | neural plate |
| c. | neural groove |
| d. | neural tube |
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Answer: (b).neural plate
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| 50. | Final size of a given cell type is attained during |
| a. | maturation |
| b. | elongation |
| c. | cell division |
| d. | differentiation |
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Answer: (a).maturation
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