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Multiple Choice Question

Which essential element is required for the opening and closing of stomata?रंध्रों (Stomata) के खुलने और बंद होने के लिए कौन सा आवश्यक तत्व आवश्यक है?

  • A
    Calcium
    कैल्शियम
  • B
    Phosphorus
    फास्फोरस
  • C
    Potassium
    पोटेशियम (Potassium)
  • D
    Iron
    आयरन
Explanation:
The influx and efflux of potassium ions (K+) in guard cells regulate stomatal movement.
रक्षक कोशिकाओं में पोटेशियम आयनों (K+) का प्रवाह रंध्रों की गति को नियंत्रित करता है।
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This question belongs to the set "UKSSSC Pashudhan Prasar Adhikari Mock Test 3: Part 2 (Biology / जीव विज्ञान)". Click below to read detailed notes and attempt the full quiz.

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