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Class 9 Biology · Chapter 2 · Test 5

Chapter 2 Full Test

25 MCQs covering Biodiversity, Classification, Taxonomic Ranks, History of Classification, Domains, Eukaryotic Kingdoms, Viruses, and Binomial Nomenclature

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

  1. Question 1

    What does biodiversity refer to?

    • AVariety of organisms in a particular area
    • BNumber of ecosystems only
    • CNumber of plants only
    • DVariation in climate
    Show answer

    Answer: A

    Biodiversity is the variety of organisms in a particular area.

  2. Question 2

    Which factor can affect the distribution of biodiversity?

    • AClimate
    • BLanguage
    • CPopulation age
    • DScientific naming
    Show answer

    Answer: A

    Climate is one of the factors that influences the distribution of biodiversity.

  3. Question 3

    Which regions generally have greater biodiversity?

    • ATropical regions
    • BPolar regions
    • CExtremely cold regions
    • DDesert regions only
    Show answer

    Answer: A

    Tropical regions generally have greater biodiversity than colder regions.

  4. Question 4

    How does biodiversity contribute to ecosystem stability?

    • AIt helps maintain ecological balance
    • BIt eliminates all organisms
    • CIt stops nutrient cycling
    • DIt prevents plant growth
    Show answer

    Answer: A

    Biodiversity supports ecosystem stability and helps maintain ecological balance.

  5. Question 5

    What is classification?

    • ADividing organisms into groups based on similarities and differences
    • BNaming organisms only
    • CStudying only extinct organisms
    • DCounting organisms in an area
    Show answer

    Answer: A

    Classification divides organisms into groups according to similarities and differences.

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