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Domains and kingdoms Knowledge-Based Practice

Biology · Diversity of Life · Biology · Classification & Taxonomy

5 Biology practice questions on Domains and kingdoms. Questions that assess core concepts and understanding.

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Questions

  1. 1.

    Which combination of nutritional mode and cellular structure characterizes all organisms classified within the kingdom Animalia?

    • A) Multicellular photoautotrophy with cellulose-based cell walls
    • B) Multicellular ingestive heterotrophy with cells that lack cell walls
    • C) Multicellular absorptive heterotrophy with chitin-based cell walls
    • D) Unicellular chemoautotrophy with peptidoglycan-based cell walls
  2. 2.

    Which molecular evidence provided the primary basis for the division of all cellular life into three distinct domains rather than the traditional kingdom-level systems?

    • A) Variations in the presence of peptidoglycan in cellular envelopes
    • B) Comparisons of complete mitochondrial DNA gene sequences
    • C) Nucleotide sequence comparisons of small subunit ribosomal RNA (rRNA)
    • D) Differences in the chemical composition of membrane phospholipid tails
  3. 3.

    Which of the following cellular features reliably distinguishes all organisms classified in Domain Eukarya from those classified in Domains Bacteria and Archaea?

    • A) Presence of ribosomes for protein synthesis
    • B) Presence of a membrane-enclosed nucleus
    • C) Capability of performing aerobic cellular respiration
    • D) Possession of a rigid outer cell wall
  4. 4.

    An organism is multicellular, eukaryotic, and obtains nutrients through extracellular digestion and absorption, with cell walls composed primarily of chitin. To which kingdom does this organism belong?

    • A) Plantae
    • B) Protista
    • C) Fungi
    • D) Animalia
  5. 5.

    Which of the following cellular characteristics is present in members of Domain Archaea but absent in members of Domain Bacteria?

    • A) Cell walls containing peptidoglycan
    • B) A membrane-bound nucleus enclosing linear chromosomes
    • C) Ribosomes functioning in the cytoplasm to synthesize proteins
    • D) Cell membrane lipids composed of branched hydrocarbons joined to glycerol by ether linkages

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