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STD 11 - 8. Cell the unit of life — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 8. Cell the unit of life1 Mark
MCQ
Why is a capsule advantageous to a bacterium ?
  • A
    It protects the bacterium from desiccation.
  • B
    It provides means of locomotion.
  • ✓
    It allows bacterium to “hide” from host’s immune system.
  • D
    It allows the bacterium to attach to the surface.
✓

Answer

Correct option: C.
It allows bacterium to “hide” from host’s immune system.
c
(c) : $S$-­type bacteria or virulent bacteria are capsulated. The capsule is made up of polysaccharides and amino acids. It is a tough and thick mucilage covering. It gives protection to bacteria against host’s immune system.

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