NEET Botany Biological Classification Questions Solved

NEET - 2015

The structures that help some bacteria to attach to rocks and/or host tissues are

(a) rhizoids

(b) fimbriae

(c) mesosomes

(d) holdfast

Audio Explanation:

(b) Fimbriae are small bristle like fibres sprouting out of the cell. In some bacteria, they are known to help is attachment to rocks in streams and also to the host tissues.

Difficulty Level:

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