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How many essential elements are named for plants?
A19
B17
C12
D27
Answer & Solution
Correct answer: B. 17
1. They divide into macronutrients and micronutrients.
2. Beneficial elements sit outside this count.
3. There are 17 essential elements.
_Source: NCERT Class 11 Biology, Ch 12 'Mineral Nutrition'_
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