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Biology · BIOLOGICAL CLASSIFICATION

हिन्दी

Which combination of cellular and nutritional features uniquely defines Kingdom Animalia?

  1. Unicellular eukaryotes, presence of cellulosic wall, autotrophic nutrition
  2. Multicellular heterotrophic eukaryotes, cells lacking cell walls, holozoic nutrition by ingestion
  3. Multicellular prokaryotes, presence of chitinous cell wall, saprophytic nutrition
  4. Acellular syncytial organisms, presence of peptidoglycan wall, absorptive nutrition

Correct answer · Option 2

Multicellular heterotrophic eukaryotes, cells lacking cell walls, holozoic nutrition by ingestion

Explanation

Kingdom Animalia consists of heterotrophic eukaryotic, multicellular organisms whose cells lack cell walls and directly/indirectly depend on plants, digesting food internally (holozoic mode).

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