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In the leaves, veins are useful for...

In the leaves, veins are useful for

A

Transport of water and minerals

B

Mechanical support

C

Transport of organic food material

D

All of the above

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-TRANSPORT IN PLANTS-COMPETITION FILE (MULTIPLE CHOICE QUESTIONS)
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  2. Cell A has osmotic potential of -18 bars and pressure potential of 8 b...

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  3. In the leaves, veins are useful for

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  4. Accumulation of which one of the following acids results in closure of...

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  5. Which one of the following is not a characteristic of active transport...

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  6. Water in the soil available to plants is :

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  7. When a cell is plasmolysed, it becomes

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  8. The factor, most important in regulating transpiration, is

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  9. The process by which water is absorbed by solid like colloids causing ...

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  10. Select the correct statement

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  11. Phloem sap is mainly made of

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

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  13. Which growth hormone is asscoiated with stomatal movemants

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

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

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  16. Osmotic pressure of pure water is

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

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

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

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

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