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Assertion : When the ambient temperature...

Assertion : When the ambient temperature is high and soil contains excess of water, the plants tend to lose water in the form of droplets from lenticels.
Reason : Root pressure regulates the rate of loss of water form lenticels.

A

if both are true with reason being correct explanation (A),

B

both true but reason is not correct explanation (B),

C

Assertion is ture but reason is wrong (C),

D

both are wrong (D),

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The correct Answer is:
D
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Given below are assertion and reason. Assertion. When the ambient temperature is high and the soil contains exces of water, the plants tend to loss water in the form of droplets from lenticels Reason . Root pressure regulates the rate of loss of water from lenticels .

Loss of water in the form of liquid droplets near the tip of grass blades is called

Loss of water in the form of liquid droplets around special openings of veins near the tip of grass blades is called

Loss of water from the plants in the form of vapour state is known as:

Name the process by which water from plants is lost in liquid form

Transpiration is the loss of water from the roots of the plant.

Each of the following questions has four choices. Choose the correct option in each case: The loss of water in the form of water droplets from hydathodes (small pores).

Near the tips of grass blades there is water loss in the form of liquid droplet around special openings of veins. This occurs due to

DINESH PUBLICATION ENGLISH-TRANSPORT IN PLANTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS
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  2. Influx of K(+)ions into guard cells and efflux of H(+) ions from guar...

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  3. Assertion : When the ambient temperature is high and soil contains exc...

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  4. Assertion : In angiosperms the conduction of water is more efficient b...

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  5. Which ones are true and false ? (a)Positive hydrostatic pressure is ca...

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  6. Choose the correct combination of labelling in Potato osmoscope

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  7. Match the columns {:(,I,,II),(a,"Diffusion ",1.,"Hydrophilic substa...

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  8. Who is related to ascent of sap

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  9. Which is incorrect

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  10. Oozing out of water drops from injured edges of tips is

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  11. Upward movement of water in plants is called

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  12. Rate of transpiration will increase if

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  13. Select the correct ones. A-Apoplastic movement of water occurs exclus...

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  14. Which is wrong

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  15. What is the effect of accumulation of K^(+) ions in guard cells ?

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  16. Physiological demonstration of osmosis is carried out by

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  17. Enzyme connected with carboxylation of RuBP is

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  18. Guttation occurs when

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  19. Plasmolysis occure when cells are kept in

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  20. A and B cells are contiguous. Cell A has OP=10 atm, TP=7 atm and DPD=3...

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