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Phloem sap is mainly made of...

Phloem sap is mainly made of

A

Water and sucrose

B

Water and minerals

C

Oligosaccharides and hormones

D

none of these

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The correct Answer is:
A
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MODERN PUBLICATION-TRANSPORT IN PLANTS-COMPETITION FILE (MULTIPLE CHOICE QUESTIONS)
  1. The process by which water is absorbed by solid like colloids causing ...

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  2. Select the correct statement

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  3. Phloem sap is mainly made of

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  4. Force generated by transpiration can create pressure sufficient to lif...

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  5. Which growth hormone is asscoiated with stomatal movemants

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  6. Consider the following statements with reference to facilitated transp...

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

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  8. Osmotic pressure of pure water is

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  9. When turgidity is lost in guard cells the stomatal pore

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  10. The osmotic expanison of a cell kept in water is chiefly regulated by

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  11. The phenomenon of water moving out of cell an plasma membrane shrinkin...

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  12. In a plant cell DPD is zero when it is ………..

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  13. The number of stomatal pores per cm^(2) of leaf surface are in the ran...

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  14. transport proteins of endodermal cells are control point where a plan...

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  15. Water potential gradient between the absorbent and the liquid imbibed ...

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  16. Which of the following is not correct in mass flow hypothesis ?

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  17. Water vapour comes out from the plant leaf through the stomatal openin...

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  18. Specialised epidermal cells surrounding the guard cells are called

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  19. A few drops of sap were collected by cutting across a plant stem by a ...

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  20. The water potential of pure water is

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