Which of the following is absent in $Nostoc$?
- ASex organs
- BMotile cells
- CBoth $(a)$ and $(b)$
- DNone of these
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Peptidoglycan present in the bacterial cell envelope is:
Medium
View SolutionMatch Column-$I$ with Column-$II$ and select the correct option.
Column-$I$ Column-$II$ $(A)$ Halophiles $(p)$ Gram-positive bacteria $(B)$ Firmicutes $(q)$ Hot springs habitat $(C)$ Methanogens $(r)$ Gram-negative bacteria $(D)$ Spirochetes $(s)$ Photosynthetic bacteria $(E)$ Thermoacidophiles $(t)$ Extremely salty areas habitat $(u)$ Responsible for biogas production
| Column-$I$ | Column-$II$ |
| $(A)$ Halophiles | $(p)$ Gram-positive bacteria |
| $(B)$ Firmicutes | $(q)$ Hot springs habitat |
| $(C)$ Methanogens | $(r)$ Gram-negative bacteria |
| $(D)$ Spirochetes | $(s)$ Photosynthetic bacteria |
| $(E)$ Thermoacidophiles | $(t)$ Extremely salty areas habitat |
| $(u)$ Responsible for biogas production |
Medium
View SolutionCyanobacteria are
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View SolutionThe main difference between Gram-positive $(+ve)$ and Gram-negative $(-ve)$ bacteria lies in their $........$.
Cell division in blue-green algae is more or less similar to that in
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