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Identify a type of molecular movement wh...

Identify a type of molecular movement which is highly selective and requires special membrane protenins, but does not require energy.

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Facilitated diffusion.
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MODERN PUBLICATION-TRANSPORT IN PLANTS-NCERT EXEMPLAR PROBLEMS (VERY SHORT ANSWER TYPE QUESTIONS)
  1. A flowering plant is planted in an earthern pot, and irrigated. Urea i...

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  2. Absorption of water from soil by seeds increases the "" thus helping s...

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  3. Water moves up against gravity and even for a tree of 20mheight the ti...

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  4. The plant cell cytoplasm is surrounded by both cell wall and cell memb...

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  5. The C(4) plants are twice as efficient as C(3) plants in terms of fixi...

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  6. Movement of substances in xylem is unidirection while in phloem it is ...

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  7. Identity the process occurring in I, II and III.

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  8. Given below is a table. Fill in the gaps:

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  9. Define water potential and solute potential.

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  10. Why is solute potential always negative ? Explain Psi(w)=Psi(s)+Psi(p)...

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  11. An onion peel was taken and (a) placed in salt solution for five min...

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  12. Differentiate between apoplast and symplast pathways of water movement...

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  13. How does most of the water moves within the root ?

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  14. Give the location of casparian strip and explain its role in the water...

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  15. Differentiate between guttation and transpiration.

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  16. Transpiration is a necessary evil in plants. Explain

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  17. Describe briefly the three physical properties of water which helps in...

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  18. A gardener forgot to water a potted plant for a day during summer, wha...

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  19. Identify a type of molecular movement which is highly selective and re...

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  20. Correct the statements. (a) Cells shrink in hypotonic solutions and ...

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