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Q. Necrosis in crops is due to the deficiency of which ions/elements? Calcium, phosphorous, potassium, zinc Sulphur, calcium potassium, sulphur, molybdenum Nitrogen, potassium, sulphur, molybdenum Manganese, sulphur, nitrogen, calcium

Q. Necrosis in crops is  due  to the deficiency of which ions/elements?
  1. Calcium, phosphorous, potassium, zinc
  2. Sulphur, calcium potassium, sulphur, molybdenum
  3. Nitrogen, potassium, sulphur, molybdenum
  4. Manganese, sulphur, nitrogen, calcium

Grade:12th pass

2 Answers

Gaurav
askIITians Faculty 164 Points
9 years ago
Hello Student,
Please find answer to your question below:

Correct answer is 2. Sulphur, calcium, potassium, sulphur, molybdenum
Deficiency of sulphur leads to chlorosisi followed by necrosis
Deficiency of calcium leads to stunted growth, chlorosis, necrosis,and curling.
Deficiency of potassium leads to chlorosis, followed by necrosis.
Deficiency od molybdenum leads to marginal necrosis.
Medhanshu Sharma
11 Points
6 years ago
No, The correct answer is 3.......Cause due to deficiency of nitrogen, sulphur, Molybdenum...causes Necrosis.

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