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Question: Answered & Verified by Expert
2,4-dichlorophenoxyacetic acid is used to eliminate _____ weeds from a ____ crop field.
BiologyPlant - Growth and DevelopmentNEET
Options:
  • A monocotyledonous; dicot
  • B dicotyledonous; monocot
  • C biennial; annual
  • D biennial; perennial
Solution:
1947 Upvotes Verified Answer
The correct answer is: dicotyledonous; monocot
Auxin, 2,4-Dichlorophenoxyacetic acid is used to kill dicotyledonous or broadleaf weeds. It does not affect mature monocotyledonous plants. It is used to prepare weed-free lawns by gardeners.

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