NTA Abhyas NEET2020BotanyMineral NutritionPractice
Mark out the number of incorrect statement/s: [I] Some essential elements can alter the osmotic potential of a cell. [II] Nitrogen is required by the meristematic tissues and the metabolically active cells only. [III] Mg +2 is needed by several respiratory enzymes. [IV] Mo is essential for the water-splitting reaction in photosynthesis, a reaction that leads to oxygen evolution. [V] Sulphur is the main constituent of
Options
- ATwo
- BThree
- CFour
- DFive
Correct answer
A. Two
Step-by-step solution
Statement II and IV are incorrect. Mn is essential for water splitting and Nitrogen is needed by all the cells. Nitrogen is required by all parts of a plant, particularly the meristematic tissues and the metabolically active cells.