Escherichia coli has the following combination of characters:

  • A
    Rod shaped,$1-3$ $\mu$m long,gram-negative
  • B
    Rod shaped,$1-3$ $\mu$m long,gram-positive
  • C
    Spiral,$1-3$ $\mu$m long,gram-negative
  • D
    Spiral,$1-3$ $\mu$m long,gram-positive

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Select the correct option from Column-$I$ and Column-$II$.
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
$(u)$ Responsible for biogas production

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