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The Living World Test - 18

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The Living World Test - 18
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  • Question 1
    1 / -0
    ICVN is
    Solution
    ICVN is referred to as the International Code of Viral Nomenclature. It is concerned with the correct classification and nomenclature of different strains of a virus. It is international and universally applied to all viruses.
    So, the correct option is 'International Code of Viral Nomenclature'.
  • Question 2
    1 / -0
    Organisms are classified to 
    Solution

    Correct option: D

    Explanation:

    • Classification is the grouping or categorizing of organisms based on their similarities.
    • Classification is the study of organisms it makes it easy, and we understand the inter-relationships among different organisms.
    • One can compare and study the concept of the evolution of organisms.

    Hence, ‘all of the above’ is the correct answer.

  • Question 3
    1 / -0
    Binomial nomenclature is 
    Solution

    Correct option: C

    Explanation:

    • Binomial nomenclature is a two-term naming system given the name to an organism by its genus (generic name) and species (a specific name which is a specific epithet). 
    • It was introduced by Carolus Linnaeus in the 1750s.

    Hence, ‘Universal with one specific name to each organism’ is the correct answer.

     

  • Question 4
    1 / -0
    Which one is a taxon?
    Solution
    Each unit or category of classification is termed as a taxon. It represents a rank. For example, the basic level of classification is species, followed by genus, family, order, class, phylum or division, in ascending order can all be considered taxons.
    So, the correct option is 'All of the above'.
  • Question 5
    1 / -0
    Which of the following taxonomic rank contain organisms most similar to one another?
    Solution
    Species is the lowest category aming given options. As we go higher taxonomic rank of classification like class to a lower one like species, common features of organisms increases. 
    Genus includes the various related species, family includes various related genus, order includes various related families and class includes various related orders.
    So, the correct option is 'Species'.
  • Question 6
    1 / -0
    Which nomeclature system is employed for naming plants :
    Solution
    Binomial nomenclature is a scientific system of nomenclature for all organisms, including plants. It assigns two names, generic name and specific epithet.
    Example, Hibiscus rosa-chinensis, Mangifera indica etc
  • Question 7
    1 / -0
    Which of the following is the hierarchy sequence?
    Solution
    As we move from family to phylum category of classification, common characteristics gradually become less in number. 
    This is the basis of how we set hierarchy sequence i.e. firstly grouping together organisms with most common characteristics and gradually separating them as common characters decreases.
    So, the correct option is 'Phylum, class, order, family'.

  • Question 8
    1 / -0
    A group of related genera with still less number of similarities as compared to genus and species constitutes
    Solution
    Species are the group of organisms who can interbreed. Related species belong to the same genus.
    • The family comprises several genera ( plural of genus ) with less number of similarities compared to genus or species.
    • Order and class are further higher taxonomic categories with even fewer characteristics in common.

    So, the correct option is 'Family'.
  • Question 9
    1 / -0
    Species is
    Solution
    Species is the group of organisms with similar characteristics. The organisms of same species can reproduce sexually or interbreed and produces fertile offsprings. It is a basic unit of classification and taxonomy. Thus, the correct answer is option B.
  • Question 10
    1 / -0
    ICBN stands for
    Solution

    Correct option: B

    Explanation:

    • ICBN stands for International code of botanical nomenclature.
    • According to this system, the plant name should not be the same and the named plant should be named in the two-term system i.e., the generic name and specific name.
    • The names should not be less or more than 3 or 12 letters respectively.

    Hence, the ‘International code of botanical nomenclature' is a correct option.

     

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