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Define Active and Passive absorption....

Define Active and Passive absorption.

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CHETANA PUBLICATION-PLANT WATER RELATION-Exercise
  1. Define Active and Passive absorption.

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  2. In soil water available for absorption by root is ...........

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  3. The most widely accepted theory for ascent of sap is .............

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  4. Water movement between the cells is due to ...............

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  5. In guard cells, when sugar is converted into starch the stomatal pore....

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  6. Surface tension is due to ..............

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  7. Which of the following types of solution has lower level of solutes th...

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  8. During rainy season wooden doors warp and become difficult to open or ...

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  9. Water absorption takes palce through..............

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  10. Due to low atmospheric prssure the rate of transpiration will............

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  11. Osmosis is a property of..............

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  12. Root hair will absorb water when external solution is........

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  13. Absorption of water involving the activity of root is called.............

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  14. Uptake of water at the expenses of metabolic energy is known as..........

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  15. Maximum transpiration occus through.............

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  16. Water in plants rises through.........

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  17. Guard cells are associated with......

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  18. Three compartments of a cell are................

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  19. An example of a not seclectively permeable membrane is...........

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  20. Purple cabbage leaves do not loose their colour in cold water but they...

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  21. Uniformly sweet taste of tea or coffee is due to ................

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