During an excursion, students found a non-woody flowering plant and wanted to classify it either as a monocotyledonous or eudicotyledonous. The option that will NOT help them in classifying the plant is

• A

  root architecture
• Correct answer
  B

  shape of the flower
• C

  number of cotyledons
• D

  vascular bundle arrangement

Hence, the correct answer is option: 'B'.