Which type of haploid unicellular eukaryote cells has a diameter of ∼10 μm, and about half of their volume is occupied by cup-shaped chloroplasts?

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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 10 Aug, 2023 Shift 4)
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  1. Hydrodictyon
  2. Ulva
  3. Chlamydomonas
  4. Oedogonium

Answer (Detailed Solution Below)

Option 3 : Chlamydomonas
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SSC CHSL Exam 2023 Tier-I Official Paper (Held On: 02 Aug 2023 Shift 1)
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Detailed Solution

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The correct answer is Chlamydomonas.Key Points

  • Chlamydomonas is a type of haploid unicellular eukaryote cell that has a diameter of approximately 10 μm.
  • Half of its volume is occupied by cup-shaped chloroplasts, which are responsible for photosynthesis.
  • Chlamydomonas is found in freshwater environments and is capable of both sexual and asexual reproduction.
  • It is commonly used as a model organism in genetic and biochemical research.

Additional Information

  • Hydrodictyon is a genus of green algae that forms a net-like structure.
    • It is commonly known as the water net.
  • Ulva is a genus of green algae that is commonly known as sea lettuce.
    • It is often found in marine environments.
  •  Oedogonium is a genus of filamentous green algae.
    • It is commonly found in freshwater environments.
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