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Question
Sternum of birds is prolonged to form boat shaped structure called
Sternum of birds is prolonged to form boat shaped structure called
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Solution
The correct option is B Keel
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'.
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'.
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