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Transport In Plants

Question
CBSEENBI11002753
Wired Faculty App

Which of the following elements is responsible for maintaining turgor in cells?

  • Magnesium

  • Sodium

  • Calcium

  • Potassium

Solution

D.

Potassium

Potassium helps in maintaining turgidity of cells. Plants require potassium ion (K+) for protein synthesis and for the opening and closing stomata, which regulated by proton pumps to make surrounding guard cell either turgid or flaccid.

Some More Questions From Transport in Plants Chapter

Give the term for the ability to resist a pulling force.

Who introduced the apoplast—symplast concept ?

Why transpiration is more on lower surface than on upper surface of leaves ?

Give the term for the ability to rise in thin tubes. 

What is capillarity ?

Name the two forces responsible for the rise of water in a capillary tube.

Which force is first operative in translocation of water through capillarity : cohesive force or adhesive force ?

Name the driving force for water movements in plants.

What are the two factors which affect osmosis?

What is the condition of having more stomata on the lower surface called? 

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