NEET 2018 Biology question

Not in NEET syllabus

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

(1)PotassiumCorrect
(2)Sodium
(3)Magnesium
(4)Calcium

Answer: (1)

Solution

Potassium is an important osmotically active ion: it helps maintain the cation-anion balance and the turgidity of cells, and it regulates opening and closing of stomata through changes in guard-cell turgor (NCERT, Mineral

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Question ID VK-092289