Multiple choice

The first and the basic criteria for classifying plants is

  1. differentiated and undifferentiated plant body

  2. presence and absence of vascular tissue

  3. presence and absence of seeds

  4. presence and absence of seed covering
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A Correct answer
Explanation

The primary classification criterion for plants is whether the plant body is differentiated (has distinct roots, stems, leaves) or undifferentiated (simple thallus). Other criteria like vascular tissue, seeds, and seed coverings build upon this fundamental distinction between thallophytes and more complex plants.

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