Explain the mechanism of water absorption by plants
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0
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1852
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July 22, 2016
|
What are the advantages and disadvantages of transpiration?
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1
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8879
|
July 22, 2016
|
Describe transpirational pull model of water transport in plants
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0
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1195
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July 22, 2016
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What is guttation ? How it is affected by root pressure?
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0
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1052
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July 22, 2016
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Describe the role played by protein pumps during active transport in plants
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0
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972
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July 22, 2016
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State the various features of leaves that increase or decrease transpiration
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0
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233
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July 22, 2016
|
What role does root pressure play in water movement in plants?
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0
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1438
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July 22, 2016
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What are the functions of turgor pressure ? OR Write the significance of turgor pressure
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0
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1167
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July 22, 2016
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Discuss the factors responsible for ascent of xylem sap in plants
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0
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4119
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July 22, 2016
|
How do rise in temperature and wind velocity affect transpiration ? Write any two adaptations shown by plants to reduce transpiration
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0
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659
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July 22, 2016
|
What is wilting ? Briefly explain its types
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0
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4750
|
July 22, 2016
|
What are aquaporins?
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0
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1203
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July 22, 2016
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Why rate of transpiration increases with an increase in root-shoot ratio?
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0
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495
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July 22, 2016
|
What are photoactive and scotoactive types of stomata?
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0
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7055
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July 22, 2016
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How is ascent of sap occurs?
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0
|
413
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July 22, 2016
|
Which metal element is involved in the opening and closing of stomata?
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0
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1340
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July 22, 2016
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Name the theory proposed by Dixon for ascent of sap
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0
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422
|
July 22, 2016
|
When does wilting occurs?
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0
|
398
|
July 22, 2016
|
What is absorption lag?
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0
|
813
|
July 22, 2016
|
What is atmometer?
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0
|
303
|
July 22, 2016
|
Why is energy required to develop root pressure?
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0
|
1021
|
July 22, 2016
|
Which fraction of soil water is available to plants for absorption by roots?
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0
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1330
|
July 22, 2016
|
What is trans-membrane pathway?
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0
|
257
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July 22, 2016
|
Define translocation
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0
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1026
|
July 22, 2016
|
Explain the structure of stomata. What role do they play in transpiration ? OR
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1
|
2606
|
July 22, 2016
|
Define osmotic pressure. Explain how it influences other components of cell water relations in plants
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0
|
997
|
July 22, 2016
|
Explain the mechanism of uptake of minerals by the plants
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0
|
507
|
July 22, 2016
|
How are K+ ions helpful in the opening and closing of stomata ? Explain Malate or K+ ion pump hypothesis
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0
|
11510
|
July 22, 2016
|
What are the factor affecting stomatal movements?
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0
|
4365
|
July 22, 2016
|
Briefly describe water potential. What are the factors affecting it?
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0
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4957
|
July 22, 2016
|