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Biological Classification — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBiological Classification3 Marks
Question
Differentiate between pill and fimbriae.
✓

Answer

Differences between pili and fimbriae are:
S. No.
Pili
Fimbriae
1.
They are tube-like outgrowths of bacterial cells.
They are solid outgrowths bacterial cells.
2.
Their length is about 18-20m.
Their length is about 0. 15-1.5m.
3.
Only 1-4 pill occur per cell.
About 300-400 fimbriae occur per cell.
4.
They help in conjugation.
They help in clinging to various objects.

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