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      Question

      The arrangement of leaves on stems or its branches

      is
      A reticulate venation Correct Answer Incorrect Answer
      B phyllotaxy Correct Answer Incorrect Answer
      C parallel venation Correct Answer Incorrect Answer
      D placentation Correct Answer Incorrect Answer

      Solution

      Phyllotaxy refers to the arrangement of leaves on a stem or branch. It can be alternate, opposite, or whorled. Reticulate and parallel venation refer to leaf vein patterns, while placentation refers to ovule arrangement within the ovary. Information Booster:Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā 

      1. Alternate phyllotaxy: One leaf per node (e.g., sunflower).
      2. Opposite phyllotaxy: Two leaves at the same node (e.g., guava).
      3. Whorled phyllotaxy: More than two leaves at a node (e.g., Alstonia).

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