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Keep some freshly cut flowers in a solut...

Keep some freshly cut flowers in a solution of food colour. Wait for sometime for the days to rise in the flower, when the stem, of the flower is held up in light, coloured strands can be seen inside. Can this experiment demonstrate which tissue is conducting water up the stem ?

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Yes, it shows that xylem tissue conducts water.
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NCERT EXEMPLAR-TRANSPORT IN PLANTS-Short Answer Type Questions
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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...

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

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