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Which of the following statement is not ...

Which of the following statement is not true for stomatal apparatus

A

Cellulose microfibrils are arranged longitudinally to axis to stomata

B

Subsidiary cells are located as modified epidermal cells

C

Guard cells may be ellipsoidal in monocots

D

Inner walls of guard cells are thick and elastic

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-TRANSPORT IN PLANTS -Assignment (Section B) Objective type
  1. Find the correct pathway of movement of water in given presentation of...

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  2. Which is a correct order ( w.r.t. imbibing capacity in decreasing orde...

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  3. Which is not a characteristic of imbibition ?

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  4. Phenomenon not associated with root pressure is

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  5. Which is not true for root pressure

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  6. Phenomenon of guttation

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  7. Which of the following statement for hydathodes is correct ?

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  8. In a stomatal apparatus , cellulosic microfibril are oriented

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  9. According to potassium pump theory of Levitt

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  10. A. In dry atmosphere , the relative humidity is low, so the rate of tr...

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  11. The conditions under which transpiration would be most rapid are

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  12. A. Most researchers agree that water is mainly 'pulled' upward throug...

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  13. During stomatal opening (photo-active) which does not occur?

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  14. Select incorrect statement w.r.t. translocation of mineral ions.

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  15. Explain why xylem transport is unidirectional and phloem transport bi-...

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  16. According to the pressure flow hypothesis A. Phloem loading produce...

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  17. A girdled plant (upto bast) may survive for some time but it will even...

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  18. Phloem loading and unloading process are respectively

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  19. Which of the following statement is not true for stomatal apparatus

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  20. A . Much of nitrogen in xylem sap is carried in organic form. B. In...

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