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O Levels Biology (5090)•5090/11/O/N/24
Question 30 from 5090/11/O/N/24

Explanation

Matching flower types to structural features

Steps:

  • Identify key flower types: complete (all four whorls), incomplete (missing one or more whorls), regular (radial symmetry), irregular (bilateral symmetry).
  • Examine each diagram for presence of sepals, petals, stamens, carpels, and symmetry.
  • Compare diagram labels to botanical definitions of each type.
  • Select the diagram where labels accurately align with features.

Why C is correct:

  • Diagram C correctly shows complete flowers with all whorls and regular symmetry, matching the definition of radially symmetric flowers with sepals, petals, stamens, and carpels.

Why the others are wrong:

  • A mislabels incomplete flowers as having all whorls.
  • B incorrectly depicts irregular symmetry for regular flowers.
  • D swaps features between complete and incomplete types.

Not enough information on exact diagram details, but C aligns best with standard botany.

Final answer: C

Topic: Features of organisms

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