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Phloem sap is mainly composed of...

Phloem sap is mainly composed of

A

Water and sucrose

B

Water and minerals

C

Oligosaccharides and hormones

D

None of the above

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The correct Answer is:
A
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DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Assertion . Movement of materials inside phloem is bidirectional, both...

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  2. The relationship piv=nRT is not obeyed by

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  3. Phloem sap is mainly composed of

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  4. Measurements reveal that the forces generated by transpiration can cre...

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  5. Guttaion differs from transpiration in which aspect ?

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  6. The ability to rise in thin tubes and Ability to resist a pulling forc...

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  7. Which of the following is not the purpose of transpiration

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  8. An osmometer is filled with 0.5 M solution of NaCl in water. In which ...

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  9. Stomata open by

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  10. Correct pathway of water movement in plant roots is

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  11. Which growth hormone is associated with stomatal movements

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  12. For a plasmolysed cell, which equation is correct ?

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  13. Identify the wrong statement

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  14. Number of stomata is 30 and epidermal cells 120 per unit area of a le...

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  15. Match the lists and find the correct option {:(,I,,II),(a., "Henry Dix...

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  16. In stomatal opening, influx of K^(+) is accompanied by effux of

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  17. The most widely accepted theory of ascent of sap in trees is

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  18. Which of the following criteria does not pertain to facilitated transp...

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  19. Passage of water through a semipermeable membrane causes (a) Suction ...

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  20. Apoplast movement of water occurs through:

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