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An essential element must be necessary for growth and:
ARetardation
BReabsorption
CReproduction
DRespiration
Answer & Solution
Correct answer: C. Reproduction
1. Without it the plant cannot complete its life cycle.
2. It also fails to set seeds.
3. It is necessary for normal growth and reproduction.
_Source: NCERT Class 11 Biology, Ch 12 'Mineral Nutrition'_
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