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    4. Class Aves - Characteristic Features MCQ - Practice Questions with Answers

    Class Aves - Characteristic Features MCQ - Practice Questions with Answers

    Updated on Sep 18, 2023 18:34 AM

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    The heart is completely 4 chambered in 

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    In aves, forelimbs are modified into wings for 

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    Concepts Covered - 1

    Class Aves - Characteristics Features
    • This class includes Birds
    • Birds have streamlined bodies covered with feathers.
    • Their forelimbs are modified into wings.
    • The hind limbs are covered with scales and help in walking, swimming or clasping tree branches.
    • Skin is dry. There is no gland. Except preen gland (oil glands) at the base of the tail
    • They have a bony endoskeleton. They have light and porous bones called pneumatic bones to assist flight.
    • They have a monocondylic skull.
    • They have a strong breast bone called keel to which the flight muscles are attached.
    • They have a four chambered heart.
    • They are warm blooded.
    • They are dioecious. Fertilization occurs internally. They are oviparous. 
    • The jaws are modified to form beak.
    • They lack urinary bladder.
    • They are uricotelic.
    • They consist of additional chambers, Crop and gizzard. Three chambered cloaca.
    • Examples : Corvus (Crow), Columba (Pigeon), Psittacula (Parrot), Struthio (Ostrich), Pavo (Peacock), Aptenodytes (Penguin), Neophron (Vulture)

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    Class Aves - Characteristics Features

    Study other Related Concepts

    Class Aves - Characteristic Features 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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