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Class 9 Biology · Chapter 2 · Test 6

Chapter 2 Board Test

21 MCQs on Biodiversity, Classification, Taxonomic History, Three Domains, Eukaryotic Kingdoms, Viruses, and Binomial Nomenclature

MCQs

21 questions · 20 min · 21 marks

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Sample questions

The first 5 of 21. Try each one, then tap to see the answer.

  1. Question 1

    The variety of organisms present in a particular area is called?

    • ABiodiversity
    • BClassification
    • CTaxonomy
    • DEvolution
    Show answer

    Answer: A

    Biodiversity refers to the variety of organisms in a particular area.

  2. Question 2

    Which natural cycles are supported by biodiversity and ecosystem stability?

    • ACarbon and nitrogen cycles
    • BWater and oxygen cycles only
    • CRock and phosphorus cycles only
    • DCalcium and iron cycles only
    Show answer

    Answer: A

    Biodiversity contributes to ecosystem stability and supports carbon and nitrogen cycling.

  3. Question 3

    Classification is mainly based on?

    • ASimilarities and differences
    • BSize and weight only
    • CGeographical location only
    • DAge of organisms only
    Show answer

    Answer: A

    Classification groups organisms according to similarities and differences.

  4. Question 4

    Which information is used along with physical characteristics in modern classification?

    • AGenetic information
    • BWeather information
    • CPopulation density
    • DEconomic value
    Show answer

    Answer: A

    Modern classification uses physical characteristics as well as genetic information.

  5. Question 5

    Which taxonomic rank was added above kingdom in 1977?

    • ADomain
    • BPhylum
    • CClass
    • DFamily
    Show answer

    Answer: A

    Domain was added as a rank above kingdom in 1977.

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