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In a girdled plant, when water is suppli...

In a girdled plant, when water is supplied to the leaves above the girdle, leaves may remai green for sometime then wilt and ultimately die. What does it indicate ?

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Due to stoppage of water supply to leaves, as due to girdling, water absorbed by roots cannot reach to leaves and then will be no photosynthesis.
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MODERN PUBLICATION-TRANSPORT IN PLANTS-NCERT EXEMPLAR PROBLEMS(SHORT ANSWER TYPE QUESTIONS)
  1. How is it that the intracellular level of K^(+) are higher than extrac...

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  2. Cut pieces of beetroot do not leave the colour in cold water but do so...

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  3. In a girdled plant, when water is supplied to the leaves above the gir...

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  4. Various types of transport mechanisms are needed to fulfil the mineral...

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  5. How can plants be grown limited water supply without compromising on m...

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  6. Will the ascent of sap be possible without the cohesion and adhesion o...

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  7. Keep some freshly cut flowers in a solution of food colour. Wait for s...

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  8. When a freshly collected Spirogyra filament is kept in a 10 % potassiu...

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  9. Sugar crystals do not dissolve easily in ice cold water. Explain.

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  10. Salt is applied to tennis lawns to kill weeds. How does salting tennis...

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  11. What is the chemical composition of of xylem and phloem sap ?

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  12. If you are provided with two tubes (A and B), where one is narrow and ...

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  13. What are 'aquaporins' ? How does presence of aquaporins affect osmosis...

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  14. ABA (Abscisic Acid) is called a stress hormone. A. How this hormone ...

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  15. We know that plants are harmed by excess water. But plants survive und...

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  16. Differentiate between diffusion and translocation in plants.

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  17. How is fcilitated diffusion different from diffusion ?

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  18. Explain the mass flow hypothesis of transport in phloem

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  19. Observe the diagram and answer the following: (a) Are these types of g...

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  20. Define uniport, symport and antiport. Do they require energy ?

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