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The Living World Test - 68

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The Living World Test - 68
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  • Question 1
    1 / -0
    Among all the kingdoms, the only taxon that exists in nature as a biologically cohesive unit is..
    Solution
    Species is the biological cohesive units because it is the basic unit of classification. Taxonomic studies consider a group of individual organisms with fundamental similarities as a species.
    So the correct option is "Species".
  • Question 2
    1 / -0
    Most names in the biological nomenclature of living organisms are taken from which language?
    Solution
    The original scientific names were taken from Latin and Greek languages. New names are now derived either from the Latin language or are Latinised. This is because the Latin language is dead and therefore, it will not change in form or spelling over time.
  • Question 3
    1 / -0
    The ascending or descending arrangement of taxonomic categories is called as.
    Solution
    Hierarchy of categories is the classification of organisms in a definite sequence of categories(taxonomic categories) in a descending order starting from kingdom and reaching upto species or an ascending order from species of kingdom.
  • Question 4
    1 / -0
    Which term can be used for any taxonomic rank?
    Solution
    Classification is not a single step process but involves a hierarchy of steps in which each step represents a rank or category. Since the category is a part of the overall taxonomic arrangement, it is called the taxonomic category and all categories together constitute the taxonomic hierarchy. Each category referred to as unit classification, and represent the rank and is known as a taxon.
    So the correct option is "Taxon".
  • Question 5
    1 / -0
    Basic unit or smallest taxon of classification is
    Solution
    A species is the basic unit of the biological classification of the organisms. According to the definition of the biological species, it is a group of organisms living in a particular area at a particular time and are capable of interbreeding.
    Hence, the correct answer is 'Species'.
  • Question 6
    1 / -0
    In biological terminology, a group of similar organisms which are capable of interbreeding and producing fertile offspring's is called.
    Solution
     A group of individual organisms with fundamental similarities are considered as species. Genus comprises a group of related species which has more characters in common in comparison to species of other genera. Whereas Family is a group of related genera with still less number of similarities as compared to genus and species.
    So the correct option is "Species".
  • Question 7
    1 / -0
    Mangifera is a..
    Solution
    Common name -Mango, Biological name- Magnifera indica, Magnifera is Genus.
    So the correct option is "Genus".
  • Question 8
    1 / -0
    The term 'taxon' is used for __________________.
    Solution
    Taxon is a unit of classification which may represent any level of grouping of organisms based on certain easily observable common characteristics. Mayr $$(1964)$$ has defined taxon to be a taxonomic group of any rank that is sufficiently distinct to be worthy of being assigned to a definite category.
  • Question 9
    1 / -0
    In the binomial system of taxonomy, developed during the $$18^{th}$$ century by C. Linnaeus, the second word of an organism's biological name represents.
    Solution
    In the binomial system of taxonomy, the second word of an organised biological name represents the species. The binomial nomenclature was formed by Linnaeus. In this, each name has two components the generic name and the specific epithet. Generic name starts with capital letter while the other with small letter. Both the word, when handwritten are separately underlined or printed in italics to indicate their Latin origin. Name of the another appear at the end of the biological name in abbreviated form.
    eg:- Mangifera indica Linn was first described by Linnaeus ans is the scientific name of mango. Mangifera is the gnus while indica is the species name.
  • Question 10
    1 / -0
    Select the incorrect statement with respect to the taxon, 'genus'.
    Solution
    Taxon genus need not essentially contain multiple species, it may contain only one species, monotypic or multiple species polytypic 
    Example of monotypic genus is Ginkgo which contains only one species - biloba
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