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Question

Large and well developed sternum with keel in a bird suggests

A
Inability to fly
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B
Fast running adaptation
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C
Strong flying ability
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D
Fast swimming adaptation
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Solution

The correct option is C Strong flying ability
The sternum is one of the largest bones in bird's skeleton and is part of the pectoral girdle. The large keel on the sternum suggests the development of strong flying ability. The sternum bears a large keel for anchoring of flight muscles. Hence, option C is correct.

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