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The Living World Test - 72

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The Living World Test - 72
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Which of the following is the correct hierarchial sequence?
    Solution
    The Linnaean system of classification consists of a hierarchy of groupings, called taxa. Taxa range from the kingdom to the species. The kingdom is the largest and the species is the smallest taxa. Today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus and species.
    So the correct answer is "Phylum-Class-Order-Family".
  • Question 2
    1 / -0
    What is common to Lantana, Eichhornia and African catfish?
    Solution

    $$\textbf{Correct option:}$$ (D) 


    $$\textbf{Explanation for correct option:}$$


    $$\bullet$$ $$Lantana$$, Water hyacinth ($$Eichhornia$$) and African catfish ($$Clarias$$ $$gariepinus$$) are all exotic species which are invasive and have harmful impact resulting in the extinction of indigenous species.


    $$\bullet$$ They all are the examples of Alien species invasion which is one of the cause of loss of biodiversity.


    $$\bullet$$ Hence the correct option is (D)

     


  • Question 3
    1 / -0
    Each character is given equal importance and at the same time hundreds of characters can be considered in
    Solution
    Numerical taxonomy evaluates resemblances and differences or primitiveness and advancement through statistical methods based on a large number of characters obtained from all disciplines of biology. This is followed by assigning them number and code of computer like plus $$(+)$$ minus $$(-)$$ followed by computer analysis, in this way, each character is given equal importance and at the same time hundreds of characters can be considered.
    So, the correct answer is 'Numerical taxonomy'.
  • Question 4
    1 / -0
    In which of the following, scientific name, family and common name are correctly mentioned?
    Solution
    Batrachospermum is the botanical name for frogs spawn algae, while the other options have incorrect scientific names.
    So, the correct option is 'Scientific name-Batrachospermum, Family-Rhodophyceae, Common name-Frog's spawn algae'.
  • Question 5
    1 / -0
    Sugarcane, Sugarbeet, sweetpea, chickpea, pigeonpea and French bean belong to
    Solution
    Vegetables may be raw or cooked; fresh, frozen, dried and may be whole, cut-up, or mashed. Three plant families are Sugarcane, Sugarbeet, sweetpea, chickpea, pigeon pea and French bean.
    So, the correct option is 'Three plant families'.
  • Question 6
    1 / -0
    In hierarchical classification, class is interpolated between
    Solution
    Hierarchical Classification is a system of grouping things according to a hierarchy or levels and orders. A hierarchical system is used for classifying organisms to the species level. There are seven major levels of classification which are the kingdom, phylum, class, order, family, genus, and species where the class is interpolated between phylum and order. So the correct answer is 'phylum and order'.

  • Question 7
    1 / -0
    Rice and brinjal belong to the category ending with suffix_________________
    Solution
    • The suffix 'aceae' is used for the family while 'ales' suffix is used for the order. Rice and brinjal belong to different families as well as order.
    • The suffix 'phyta' indicates the sub-kingdom level. Rice and brinjal belong to the same subkingdom i.e. Tracheophyta.
    • While 'phyceae' suffix is used to denote classes of algae.
    • So, the correct option is 'phyta'.
  • Question 8
    1 / -0
    Taxonomy based on the interrelationships of individuals due to chromosomal similarities is known as
    Solution
    1. Artificial classification is based on one or two morphological characters.
    2. Cytotaxonomy- It is the use of cytological characters of plants in classification or in solving taxonomical problems.
    3. Karyotaxonomy- It is based on the interrelationships of individuals due to chromosomal similarities.
    4. The natural system of classification- In this type of classification plants are classified on the basis of their complete morphological characteristics.
    So, the correct option is 'Karyotaxonomy'.
  • Question 9
    1 / -0
    Which one has the highest number of species?
    Solution
    The phylum arthropods or the class Insecta which belong to the phylum Arthropoda has the most amount of species present than any other phylum all class. 
    So, the correct option is 'Insects'

  • Question 10
    1 / -0
    Which of the following combinations form a binomial epithet?
    Solution
    Binomial nomenclature is a system of naming living species in which each species is assigned a specific scientific name. The name consists of two parts:
    • Generic epithet: It shows the genus of the organism
    • Specific epithet: It shows the species of the organism.
    So, the correct answer is 'Generic epithet + specific epithet'.
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