Explain the mechanism of water absorption by plants
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0
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2353
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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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10292
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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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2261
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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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1506
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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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1275
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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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581
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July 22, 2016
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What role does root pressure play in water movement in plants?
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0
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1829
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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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1606
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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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4535
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July 22, 2016
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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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1349
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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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5915
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July 22, 2016
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What are aquaporins?
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0
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1764
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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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788
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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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7730
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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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737
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July 22, 2016
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Which metal element is involved in the opening and closing of stomata?
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0
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1645
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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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667
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July 22, 2016
|
When does wilting occurs?
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0
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655
|
July 22, 2016
|
What is absorption lag?
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0
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1266
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July 22, 2016
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What is atmometer?
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0
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590
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July 22, 2016
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Why is energy required to develop root pressure?
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0
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1391
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July 22, 2016
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Which fraction of soil water is available to plants for absorption by roots?
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0
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1695
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July 22, 2016
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What is trans-membrane pathway?
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0
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547
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July 22, 2016
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Define translocation
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0
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1534
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July 22, 2016
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Explain the structure of stomata. What role do they play in transpiration ? OR
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1
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4276
|
July 22, 2016
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Define osmotic pressure. Explain how it influences other components of cell water relations in plants
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0
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1597
|
July 22, 2016
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Explain the mechanism of uptake of minerals by the plants
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0
|
893
|
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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13317
|
July 22, 2016
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What are the factor affecting stomatal movements?
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0
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5497
|
July 22, 2016
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Briefly describe water potential. What are the factors affecting it?
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0
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5575
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July 22, 2016
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