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Stephen Hales

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62. What is a porometer ?

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63. How high can the transpiration pull lift water up a xylem vessel.

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64. Who coined the term root pressure?

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65. Differentiate between the following
(f) Guttation and Tranpiration.

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66. Distinguish between stomata and hydathodes.

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67. Difference between semipermeable and selectively permeable membrane

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68. Why is imbibition considered to be diffusion?

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69. Difference between active and passive water absorption

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70. Differentiate between the following
(b) Transpiration and Evaporation.

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