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A high concentration of synthetic auxin is generally used for

1. control of cell enlargement
2. Weed control
3. Prevention of the growth of lateral buds
4. Enhancing root initiation

Correct answer: Weed control

Solution

High concentrations of synthetic auxins overstimulate growth pathways, causing abnormal growth and death in susceptible weeds. That is why they are commonly used as selective herbicides rather than for normal growth promotion.

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