Difference between the following(c) Osmotic Pressure and Osmotic

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 Multiple Choice QuestionsShort Answer Type

91. What is the role of special proteins in diffusion?
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92. Difference between the following
(c) Osmotic Pressure and Osmotic Potential


Osmotic Pressure  Osmotic Potential
1.Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of water across a semipermeable membrane.   1.Osmotic potential is defined as the ability of a solution to draw water in when separated from another solution by a semi-permeable
2. It is expressed in bars with a positive sign. 2. It is expressed in bars with a negative sign.









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93. Explain pressure flow hypothesis of translocation of sugars in plants.
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94. Describe the role played by protein pumps during active transport in plants.
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95.

Explain why xylem transport is unidirectional and phloem transport  bi-directional.

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96. Difference between Diffusion and Osmosis
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97. What essential role does the root endodermis play during mineral absorption in plants?
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 Multiple Choice QuestionsLong Answer Type

98. How does water is absorbed by the roots ? Discuss different pathways for its translocation.
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 Multiple Choice QuestionsShort Answer Type

99. Difference between Imbibition and Osmosis
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 Multiple Choice QuestionsLong Answer Type

100. Explain transpiration and photosynthesis are complementary to each other.
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