Explain the mechanism of water absorption by plants
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0
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2361
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July 22, 2016
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What are the advantages and disadvantages of transpiration?
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1
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10303
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July 22, 2016
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Describe transpirational pull model of water transport in plants
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0
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2279
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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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1519
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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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1282
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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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586
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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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1837
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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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1615
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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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4539
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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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1356
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July 22, 2016
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What is wilting ? Briefly explain its types
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0
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5930
|
July 22, 2016
|
What are aquaporins?
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0
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1771
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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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795
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July 22, 2016
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What are photoactive and scotoactive types of stomata?
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0
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7738
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July 22, 2016
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How is ascent of sap occurs?
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0
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745
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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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1650
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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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677
|
July 22, 2016
|
When does wilting occurs?
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0
|
662
|
July 22, 2016
|
What is absorption lag?
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0
|
1272
|
July 22, 2016
|
What is atmometer?
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0
|
598
|
July 22, 2016
|
Why is energy required to develop root pressure?
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0
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1401
|
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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1706
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July 22, 2016
|
What is trans-membrane pathway?
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0
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550
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July 22, 2016
|
Define translocation
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0
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1540
|
July 22, 2016
|
Explain the structure of stomata. What role do they play in transpiration ? OR
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1
|
4330
|
July 22, 2016
|
Define osmotic pressure. Explain how it influences other components of cell water relations in plants
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0
|
1607
|
July 22, 2016
|
Explain the mechanism of uptake of minerals by the plants
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0
|
902
|
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
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13326
|
July 22, 2016
|
What are the factor affecting stomatal movements?
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0
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5510
|
July 22, 2016
|
Briefly describe water potential. What are the factors affecting it?
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0
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5589
|
July 22, 2016
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