PLANT PHYSIOLOGY
MINERAL NUTRITION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mn
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Cu
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Mo
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K
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Detailed explanation-1: -Potassium is a macronutrient, not a trace element.
Detailed explanation-2: -Mg is not a trace element. An element is absorbed by the plants in a small amount is termed as a trace element which is important for the correct growth, development, and physiology of the plants. Chromium, cobalt, copper, iron, manganese, magnesium, molybdenum, selenium, zinc all are the instances of trace elements.
Detailed explanation-3: -Chromium, cobalt, copper, iron, manganese, magnesium, molybdenum, selenium, zinc all are the example of trace elements. Magnesium (Mg) is a macronutrient. Hence option C is correct.
Detailed explanation-4: -Some trace elements are essential for living things-they are called micronutrients. The most familiar micronutrients probably are iron, manganese, zinc, copper, and iodine, but there are others. Trace elements are important in water quality.
Detailed explanation-5: -Magnesium is not a micronutrient.