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Class 9 Biology · Chapter 2 · Test 3

Domains of Living Organisms

26 MCQs on Archaea, Bacteria, Eukarya, and the Kingdoms of Domain Eukarya

MCQs

26 questions · 21 min · 26 marks

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Sample questions

The first 5 of 26. Try each one, then tap to see the answer.

  1. Question 1

    Which domain contains some of the most primitive organisms on Earth?

    • AArchaea
    • BBacteria
    • CEukarya
    • DProtista
    Show answer

    Answer: A

    Archaea contains some of the most primitive organisms on Earth.

  2. Question 2

    What type of cells are found in Archaea?

    • AProkaryotic
    • BEukaryotic
    • CMultinucleate
    • DAc cellular
    Show answer

    Answer: A

    Organisms in Archaea are prokaryotes.

  3. Question 3

    What is unusual about the cell wall of Archaea?

    • AIt does not contain peptidoglycan
    • BIt contains cellulose
    • CIt contains chitin only
    • DIt has no proteins
    Show answer

    Answer: A

    Archaeal cell walls do not contain peptidoglycan and are made of various polypeptides and proteins.

  4. Question 4

    Which feature of archaeal ribosomal RNA is mentioned in the chapter?

    • AIt resembles eukaryotes more than bacteria
    • BIt is identical to plant RNA
    • CIt contains no RNA
    • DIt resembles viruses
    Show answer

    Answer: A

    Archaeal rRNA resembles eukaryotic rRNA more than bacterial rRNA.

  5. Question 5

    Where can many archaea live?

    • AExtreme environments
    • BOnly forests
    • COnly oceans
    • DOnly human bodies
    Show answer

    Answer: A

    Many archaea live in extreme environments such as hot springs and salt lakes.

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