Diversity in the Living World · NCERT Biology

The order 'Polymoniales' includes families like Solanaceae and Convolvulaceae based mainly on:

  1. Vegetative characters
  2. Floral characters
  3. Root system
  4. Climatic requirements
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Correct answer: Floral characters

Plant orders are identified based on floral characteristics, which are more stable and reliable for higher-level classification than vegetative traits.

Difficulty: Medium Question 16 of 20

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