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🔬 Biology  ·  The Living World  ·  NEET

Two organisms are placed in the same Family but different Genera. What can be concluded about their relationship?

Answer: They share fewer characteristics than two organisms in the same Genus, but more than two organisms only sharing the same Order.

  • A They retain enough genetic compatibility to interbreed and produce fertile offspring as commonly observed in practice in many documented cases
  • B They share fewer characteristics than two organisms in the same Genus, but more than two organisms only sharing the same Order
  • C They are reproductively identical populations that should be classified under the same Species according to conventional understanding
  • D They diverged so long ago that essentially no morphological characters remain shared between them in routine practice overall

Correct answer: B. They share fewer characteristics than two organisms in the same Genus, but more than two organisms only sharing the same Order

Explanation: As taxonomic rank broadens (Species to Genus to Family to Order), shared characteristics decrease. Same-Family-different-Genus organisms share fewer traits than same-Genus organisms, but more than organisms only sharing a broader rank like Order.

Taxonomic HierarchyKingdomPhylum / DivisionClassOrderFamilyGenusSpeciesmost organisms,fewest shared traitsfewest organisms,most shared traitsSpecies is the narrowest, most specific category - the basic unit of classification

The taxonomic hierarchy narrows from Kingdom (broadest, covering the most organisms but fewest shared traits) down to Species (narrowest, fewest organisms but most shared traits) - every level in between is a progressively more specific subset of the one above it.

Concept context

Biodiversity, taxonomy, binomial nomenclature, the taxonomic hierarchy, and taxonomic aids like herbaria and botanical gardens. The foundational first chapter of NCERT Biology.

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