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Tracheids are less efficient than vessel...

Tracheids are less efficient than vessels due to

A

Absence of closed and walls

B

Uneven thickenings

C

Casparian strips

D

Presence of tapering end walls

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The correct Answer is:
D
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DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
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  2. Which is not directly connected with ascent fo sap?

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  3. Tracheids are less efficient than vessels due to

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  4. Difference between osmotic pressure and turgor pressure is

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  5. Whose water potential is less then water potential of root hair during...

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  6. Water potential of water is not affected by

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

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  8. 2% NaCl as compared to 18% glucose solution is

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  9. Active absorption of water by roots from the soil is mainly affected ...

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  10. The space between plasma membrane and cell wall of a plasmolysed cell ...

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  11. Which one of the following is not an antitranspirant

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

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  13. Which of the following get accumlated in vacuoles of guard cells duri...

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  14. Stomatal opening is influenced by

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  16. Assertion . Movement of materials inside phloem is bidirectional, both...

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  17. The relationship piv=nRT is not obeyed by

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  18. Phloem sap is mainly composed of

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