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The Living World Test - 55

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The Living World Test - 55
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Weekly Quiz Competition
  • Question 1
    1 / -0
    International code of 'Biological Nomenclature' is applicable to
    Solution
    • The International Code of Biological Nomenclature is the set of rules and recommendations dealing with the formal scientific names that are given to plants and animals. 
    • Its intent is that each taxonomic group has only one correct name that is accepted worldwide. The value of a scientific name is that it is an identifier; it is not necessarily of descriptive value, or even accurate.
    • International code of Viral Nomenclature (ICVN) is applicable for viruses.
    So, the correct option is 'Both B and C'.
  • Question 2
    1 / -0
    The suffix-oidea is used for :
    Solution
    The suffix -oidea is used for super family.
    For example, Crinoidea, Canoidea, used in animal classification or zoological classification
  • Question 3
    1 / -0
    A group of interbreeding organisms is
    Solution
    According to the biological concept of species, a natural population of organisms who resemble each other in morphological and reproductive ways to be able to produce a fertile offspring and interbreed freely is termed as a species.
    So, the correct option is 'Species'.
  • Question 4
    1 / -0
    The term phylum was given by 
    Solution
    (A) Correct answer- B
    (B) Explanation of correct answer:

    In 1866, Ernst Haeckel coined the term 'phylum' for the classification of animals. It is the category below the Kingdom and is made up of various classes sharing common features. The same category is called the 'division' for plant classification and this term was given by August W. Eichler in 1883.
  • Question 5
    1 / -0
    Two similar holotypes are called:
    Solution
    • A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described.
    • An isotype is a duplicate of the holotype and is often made for plants, where holotype and isotypes are often pieces from the same individual plant or samples from the same gathering.
    • Hence Two similar holotypes are called isotypes
    • So, the correct answer is option D.
  • Question 6
    1 / -0
    Binomial nomenclature means 
    Solution
    Binomial Nomenclature is the method of naming a particular organism by a single standard name known all over the world. The first word represents the genus while the second component represents a specific epithet. The first word of the generic name starts with a capital letter and the specific epithet starts with a small letter.
    So, the correct answer is option B. 
  • Question 7
    1 / -0
    Species is a group of organisms that 
    Solution
    According to the biological concept by Ernst Mayr, a natural population of organisms who resemble each other in morphological and reproductive ways to be able to produce a fertile offspring and interbreed freely are termed as species.
    So, the correct option is 'Can interbreed'.
  • Question 8
    1 / -0
    Linnaeus is credited with 
    Solution
    1. Carl Linnaeus, a Swedish botanist, physician, and zoologist, laid the foundations for the modern biological naming scheme of binomial nomenclature. He is known as the father of modern taxonomy and is also considered one of the fathers of modern ecology.
    2. The theory of biogenesis was proposed by Louis Pasteur. He proposed that all life originated from pre-existing life. i.e., fishes laid eggs giving rise to more fishes.
    3. The first optical microscope was invented by Zacharias Janssen.
    4. William Harvey is associated with the discovery of blood circulation.
    So, the correct option is 'Binomial nomenclature'.
  • Question 9
    1 / -0
    Specimen used for original publication by the author is 
    Solution
    (A) Correct answer: A
    (B) Explanation of correct answer:

    • A holotype is the original sample of species collected by the author, formally described and published.
    • Botanists on obtaining a holotype, identify its characters to classify the species accordingly. After studying the characters of the species, the botanists describe the species accordingly.

    Explanation for incorrection option: 
    • A lectotype is a specimen chosen from a group of syntypes to serve as the solitary type specimen for a species that was first described.
    • An isotype is a duplicate of the holotype.
    • A syntype is any of two or more specimens that were simultaneously designated as a type when no holotype was designated.
  • Question 10
    1 / -0
    Species is 
    Solution
    According to the evolutionary concept of species given by Simpson in 1961 'A species is a unit of evolution and a lineage (an ancestral-descendant sequence of populations) evolv­ing separately from others and with its own unitary role and tendencies'.
    So, the correct option is 'Specific unit of evolution'.
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