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The opening and closing of stomata depen...

The opening and closing of stomata depends upon the change in pH of guard cells.This is observed by:

A

Loftfield

B

Sayre

C

Von Mohl

D

Amstrong

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The correct Answer is:
B
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PREMIERS PUBLISHERS-TRANSPORTATION IN PLANT-OTHER IMPORTANT QUESTIONS & ANSWERS (i.Choose the correct answer)
  1. Loss of water from mesophyll cells causes:

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  2. The water may move through the xylem at the rate as fast as:

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  3. The length and breadth of stomata is:

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  4. The opening and closing of stomata depends upon the change in pH of gu...

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  5. Who did observe that stomata open in light and close in the night:

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  6. the phosphory enzyme in guard cells supports the strach-sugar inter co...

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  7. Low pH and a shortage of water in th e guard cell activate the stress ...

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  8. Accumulation ofCO(2) in plant cell during dark:

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  9. Phenyl Mercuric Acetate(PMA),When applied as a foliar spray to plant:

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  10. The transpiration in plants is a''necessary ecil'' as stated by:

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  11. Sink in plants which receives food from source is:

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  12. Activated diffusion theory was first proposed by:

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  13. From siece elements sucrose is translocated into sink organs such as r...

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  14. In which plant ,the petioles are flatterned and widened ,to become phy...

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  15. Match the following :

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  16. Hydathodes are generally present in plants that grow in:

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  17. Ganongs potometer is used to measure:

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  18. Indicate the correct statement:

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  19. The liquid coming out of hydathode of grasses is:

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  20. A dry cobalt chloride strip,when hydrated,turns:

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