Biology
Grade-6
Easy

Question

Unicellular organisms are composed of

  1. Single cell
  2. Many cells
  3. Group of cells
  4. No cells

hintHint:

These are the most primitive type of organisms on earth.

The correct answer is: Single cell


    • Unicellular organisms are composed of one cell. 
    • The word uni refers to one and cellular refers to cell. Thus, if we combine them, we get one-celled or single-celled organisms. 
    • These unicellular organisms are the most primitive forms of life. They do not perform many functions except feeding themselves, surviving, and reproducing in large numbers. 
    • The unicellular organisms include bacteria, diatoms, etc. 

    Unicellular organisms reproduce in large numbers because they reproduce asexually like budding, fission, etc.

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