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(B) and (C) only correct per microeconomics basics; central problems scarcity choice opportunity cost.
Ref: NCERT Economics Class XI Chapter 1 Introduction to Microeconomics explains central problems scarcity choice PPC opportunity cost concepts clearly.
Central problem includes what, how, for whom to produce; scarcity requires choice.
Ref: NCERT Economics Class XI Chapter 1 Introduction to Microeconomics explains central problems scarcity choice PPC opportunity cost concepts clearly.
Organizing defines nature significance; management goal-oriented, continuous, pervasive.
Ref: NCERT Business Studies Class XII Chapter 1 Nature and Significance of Management defines management functions characteristics clearly explained.
Organising assigns duties, groups tasks, establishes authority, allocates resources.
Ref: NCERT Business Studies Class XII Chapter 1 Nature and Significance of Management defines management functions characteristics clearly explained.
Root-to-shoot allocation increases when plants must invest heavily below ground to obtain limiting water or nutrients and to survive grazing, drought, or cold. Temperate grasslands commonly have the highest ratios in this comparison because perennial grasses maintain dense root systems and substantial below-ground storage while above-ground tissues die back seasonally or are removed by herbivores and fire. Tropical grasslands also allocate strongly to roots under seasonal drought but often maintain more annual shoot growth. Tropical dry forests invest below ground to withstand prolonged dry se
Ref: Ecology: From Individuals to Ecosystems, Begon et al., 5th Ed., Ch. 17
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