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Organic substances such as sugars are tr...

Organic substances such as sugars are translocated in the phloem. It can be demonstrated by

A

defoliation

B

ringing the stem

C

root pressure

D

grafting

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The correct Answer is:
B
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
  1. At the time of active growth ( formation of buds and flowers ) a part ...

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  2. For conducting girdling experiments

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  3. Organic substances such as sugars are translocated in the phloem. It c...

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  4. Munch's mass flow hypothesis explains

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  5. Loading of phloem is related to

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  6. Given below is a figure of solution A & B . Which of the follow...

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  7. Given below some properties of transport mechanism. Which of these ar...

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  8. Water potential in leaf tissue is 'positive' (near zore ) during

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  9. Most of the water lost by the plant through transpiration exist throug...

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  10. Consider the following statements 1. Xylem vessels are semi-permeab...

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  11. Consider the following events involved in stomatal opening 1. Turgo...

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  12. Consider the following statements Osmosis is a process of transport...

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  13. Which of the following molecules is capable of generating the greates...

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  14. The diagram illustrates stomatal closing . The major mistake in the d...

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  15. Pressure potential of a plant cell and its turgor pressure are

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  16. In simple osmotic systems, at constant temperatures , the water pote...

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  17. Addition of KCN reduces the rate of water absorption in the root. This...

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  18. The carrier - mediated cotransport in which a solute is actively trans...

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  19. Match List -I with List -II and select the correct answer using the co...

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  20. A minimum ratio of transpiration to photosynthesis will be observed on...

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