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Diversity in Living Organisms Test - 45

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Diversity in Living Organisms Test - 45
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  • Question 1
    1 / -0
    Sternum of birds is prolonged to form boat shaped structure called
    Solution
    A)The keel is an extension of the sternum (breastbone) in birds which runs along the midline of the sternum and extends outward to form a boat shaped structure.
    B) Retrices are flight feathers present in the tail.
    C) The xiphoid is a small an extension of the lower part of the sternum.
    D) Dagger is an extension of the sternum in birds.
    So the correct answer is 'Keel'.
  • Question 2
    1 / -0
    Bones of birds are:
    Solution
    The bones of birds are lighter in weight than those of mammals helping the birds to fly. They are also spongy and some of the bones are hollow and actually act as part of the avian respiratory system.
    So, the correct answer is 'Spongy and light'.
  • Question 3
    1 / -0
    National bird of New Zealand is
    Solution
    A) Kiwi is the national bird of New Zealand.
    B) Emu is the national bird of Australia.
    C) Cassowary is a native of New Guinea.
    D) Ostrich is found in northern Africa and Arabia.
    So the correct answer is 'Kiwi'.
  • Question 4
    1 / -0
    Flightless birds lack
    Solution
    A) Flightless birds like penguins and ostriches have modified wings or no wings.
    B) Flightless birds do not have keel, oil glands, pygostyle and syrinx.
    C) Flightless birds lack a keel and wings.
    D) Flightless birds have feathers that do not aid in flight.
    So the correct answer is 'Both A and B'.
  • Question 5
    1 / -0
    Which of the following ovary and oviduct are functional in birds?
    Solution
    A) Only the left ovary and oviduct of birds are functional. Although the female embryo has two ovaries, only the left one develops. The right one regresses during development and is nonfunctional in the adult 
    B) The right ovary and oviduct are nonfunctional.
    C) The right ovary is nonfunctional while the left ovary is functional.
    D) Birds have only one functional ovary and oviduct and that is the left one.
    So the correct answer is 'Left'.
  • Question 6
    1 / -0
    Second largest bird is
    Solution
    The emu is the second largest living bird by height after its native relative, the ostrich. It is the only extant member of the genus Dromaius.
    Thus, the correct answer is ''Emu.
  • Question 7
    1 / -0
    Struthio is found in
    Solution
    A) Struthio camelus (ostrich) Africa.
    B) Ostrich is also found in the Arabian Peninsulas.
    C) Struthio camelus is found in Northern Africa and in the Arabian Peninsulas.
    D) Ostrich is not found in Turkey.
    So the correct answer is 'Both A and B'.
  • Question 8
    1 / -0
    Indian Nightingale is
    Solution
    • The true koels are also called as Eudynamus belonging to a genus of cuckoos from Asia, Australia and Pacific.
    • They are large sexually dimorphic cuckoos which eat fruits and insects. They are brood parasites, laying their eggs in the nests of other species.
    • When the founding fathers of Indian ornithology, the British, noticed that the koel sang also by night, they nostalgically referred to the bird as "the Indian Nightingale".
    • Hence Indian Nightingale is Eudynamis.
    • So, the correct answer is 'Eudynamis'.
  • Question 9
    1 / -0
    Dove is
    Solution
    A) Columba is called pigeon.
    B) Streptopelia is called dove. 
    C) Passer is called sparrow.
    D) Psittacula is called parrot.
    So the correct answer is 'Streptopelia'.
  • Question 10
    1 / -0
    Hindlimbs are slightly shorter than forelimbs in
    Solution
    Hindlimbs are slightly shorter than fore limbs in simians while hindlimbs are longer than forelimbs in prosimians.
    Lemur, loris and tarsier are prosimians.
    Rhesus Monkey is simians.
    So, the correct answer is 'Rhesus Monkey'.
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