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In which of the following plants metabol...

In which of the following plants metabolism would be hindered if leaves are coated with vaseline on their upper surface ?

A

Hydrilla

B

Lotus

C

Pistia

D

Vallisneria

Text Solution

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The correct Answer is:
B
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DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
  1. Number of stomata present per cm^(2) of a common leaf is aboout

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  2. Which is produced during water stress that brings about stomatal closu...

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  3. In which of the following plants metabolism would be hindered if leave...

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  4. The following percentage of water absorbed by herbaceous plants is los...

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  5. Transpiration is least in (a) Good soil moisture (b) High wind velo...

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  6. Transpiration is high under

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  7. Potometer is a device used for measuring rate of

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  8. Wilting appears due to excessive

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  9. Transpiration is regulated by movements of

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  10. Transpiration differs from evaporation in

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  11. Rate of transpiration is reduced with

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  12. Guttation is mainly due to

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  13. Which one of the following plants keep its stomata open during the nig...

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  14. Which one gives the most valid and recent explanation for stomatal mov...

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  15. The stomatal type of cereals which open only for a few hours during th...

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  16. In most of the thin leaf mesophytes, the leaf stomata open during day ...

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  17. Rate of transpiration is dependent upon

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  18. On a hot summer day cooling of plant occurs due to

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  19. Conversion of starch to organic acids is required for

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  20. Element involed in stomatal regulation, its opening and closing is

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