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Question: Answered & Verified by Expert
According to the three domain classification, Methanococcus and Rhizobium belong to
BiologyBiological ClassificationNEET
Options:
  • A same domain and different kingdom.
  • B same domain and same kingdom.
  • C different domain and different kingdom.
  • D different domain and same kingdom.
Solution:
2767 Upvotes Verified Answer
The correct answer is: different domain and different kingdom.
The three-domain system proposed by Carl Woese divides Kingdom Monera into two domains on the basis of differences in 16S rRNA genes: Archaea and Bacteria. The third domain is Eukaryota which has all eukaryotes. Also, there are 6 kingdoms- Archaebacteria in domain Archaea, Eubacteria in domain Bacteria and Protista, Fungi, Plantae and Animalia in the domain Eukaryota. Methanococcus lies in Archaebacteria in domain Archaea and Rhizobium lies in Eubacteria in domain Bacteria.

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