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Biology · PLANT KINGDOM

हिन्दी

Which of the following criteria was integrated into the natural system of classification for flowering plants proposed by George Bentham and Joseph Dalton Hooker, distinguishing it from artificial systems?

  1. Only external vegetative and stamen characters without considering internal anatomy.
  2. Internal anatomical, embryological, phytochemical, and ultrastructural features alongside external features.
  3. Numerical codes assigned to all characters processed solely via phylogenetic trees.
  4. Chromosome structure and meiotic behaviour exclusively.

Correct answer · Option 2

Internal anatomical, embryological, phytochemical, and ultrastructural features alongside external features.

Explanation

Bentham and Hooker's natural classification considered not only external features but also internal features such as ultrastructure, anatomy, embryology, and phytochemistry.
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