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mediumMCQNEET 2024 R1@NUM: 1012026Botany
1 mark

Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin:

  1. A
    promotes abscission of mature leaves only.
  2. B
    does not affect mature monocotyledonous plants.
  3. C
    can help in cell division in grasses, to produce growth.
  4. D
    promotes apical dominance.

Solution & Step-by-step Explanation

Auxins like () are widely used as herbicides to kill dicotyledonous weeds. However, they do not affect mature monocotyledonous plants like grasses. This selectivity allows gardeners to eliminate weeds without damaging the lawn.

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Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin:
A
promotes abscission of mature leaves only.
B
does not affect mature monocotyledonous plants.
C
can help in cell division in grasses, to produce growth.
D
promotes apical dominance.

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