What is living? · NCERT Biology

Which of the following organisms do not reproduce at all?

  1. Amoeba and various free-living species of Bacteria
  2. Common Fungi and freshwater Algae
  3. Mules, sterile worker bees, and infertile couples
  4. Hydra and regenerating Planaria
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Correct answer: Mules, sterile worker bees, and infertile couples

While reproduction is a characteristic of living things, it is not a defining one because certain living organisms like mules and sterile worker bees are incapable of producing offspring. However, they are still considered living due to other defining traits like metabolism.

Difficulty: Medium Question 8 of 38

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