1. Only I and II
  2. Only I and III
  3. Only II and III
  4. All option are correct
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Option 4 : All option are correct

The Correct answer is  All option are correct

  • Unicellular organisms, also called as single-celled organisms comprise of only one cell, unlike multicellular organisms, who have more than one cell.
  • Euglena, Amoeba, and Paramecium fall under the category of unicellular organisms.
Euglena
  • Euglena is a genus of single-celled flagellate eukaryotes.
  • It is unique as it is both heterotrophic (must consume food) and autotrophic (can make its own food) in nature.
  • It is also known as green protozoa.
Paramecium
  • Paramecium is a genus of Protozoa.
  • They belong to the Protista kingdom.
  • It has a stiff outer covering which gives it a shape of a slipper.
  • It has the ability to swim very fast.
Ameoba
  • Amoebae are eukaryotes whose bodies most often consist of a single cell. 
  • It can be found on decaying bottom vegetation of freshwater streams and ponds.

 

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