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    4. Class Osteichthyes MCQ - Practice Questions with Answers

    Class Osteichthyes MCQ - Practice Questions with Answers

    Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

    Quick Facts

    • Class Osteichthyes - Characteristics Features is considered one of the most asked concept.

    • 15 Questions around this concept.

    Solve by difficulty

    QuestionEASY

    Which one of the following categories of animals is correctly described with no single exception in it?

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     Buoyancy in a bony fish is maintained with the help of 

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    Match the following columns and select the correct options:

    Column I Column II
    (a) Aptenodytes (i) Flying fox
    (b) Pteropus (ii) Angelfish
    (c) Pterophyllum (iii) Lamprey
    (d) Petromyzon (iv) Penguin

     

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    Concepts Covered - 1

    Class Osteichthyes - Characteristics Features

     

    • These fishes have a bony skeleton.
    • They have a large mouth with movable jaws.
    • Their body is covered with cycloid or ctenoid scales. These scales are impermeable to water. 
    • The gill slits are covered with an operculum.
    • They have a closed circulatory system with two-chambered heart having one atrium and one ventricle.
    • They possess air bladder or swim bladder that maintains the buoyancy. 
    • They have defined lateral line system of sense organs.
    • They are cold - blooded.
    • They are oviparous and perform external fertilization.

    Difference between Chondricthyes and Osteicthyes can be summarised as 

     

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    Class Osteichthyes - Characteristics Features

    Study other Related Concepts

    Class Osteichthyes Current Topic

    Concept of Living and Need for Classification
    Taxonomy and Taxonomical Aids
    Steps of Taxonomy
    Vernacular and Scientific Names
    Binomial Nomenclature
    Taxonomic Hierarchy In Biological Classification
    Taxonomical Aids
    Classification Systems
    Three domains of life
    History of Classification of Organisms

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