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Cell The Unit of Life — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYCell The Unit of Life1 Mark
MCQ
The smallest living cells with cell wall are _______?
  • A
    Viroids
  • B
    Algae
  • C
    Bacteria
  • D
    Mycoplasma
✓

Answer

  1. Bacteria

Explanation:

Algae are the living cells which, have a cell wall composed of either polysaccharide (such as cellulose (a glucan)) or a variety of glycoproteins. But they are larger in size as compared to the bacterial cell.

Bacteria is a unicellular prokaryotic organism possess prominent cell wall made up of peptidoglycans.

Viroids consist solely of short strands of circular, single-stranded RNA without protein coats, it lacks a cell wall.

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