Botany - Transport in Plants Book Back Questions

11th Standard

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Biology

Time : 00:30:00 Hrs
Total Marks : 15
    1 x 1 = 1
  1. Munch hypothesis is based on

    (a)

    Translocation of food due to TP gradient and imbibition force

    (b)

    Translocation of food due to TP

    (c)

    Translocation of food due to imbibition force

    (d)

    None of the above

  2. 2 x 2 = 4
  3. How phosphorylase enzyme open the stomata in starch sugar interconversion theory?

  4. List out the non-photosynthetic parts of a plant that needs a supply of sucrose?

  5. 2 x 5 = 10
  6. What are the parameters which control water potential?

  7. An artificial cell made of selectively permeable membrane immersed in a beaker (in the figure). Read the values and answer the following questions?

    a. Draw an arrow to indicate the direction of water movement.
    b. Is the solution outside the cell isotonic, hypotonic or hypertonic?
    c. Is the cell isotonic, hypotonic or hypertonic?
    d. Will the cell become more flaccid, more turgid or stay in original size?
    e. With reference to artificial cell state, the process is endosmosis or exosmosis? Give reasons

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