Question

Large and well-developed sternum with keel, in a bird suggest

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

Answer 1

Answer: (C)

Strong flying ability

The sternum is one of the largest bones in bird's skeleton and it is a part of the pectoral girdle which bears a large keel responsible for anchoring of flight muscles thus large and well-developed sternum with a keel, suggests the development of strong flying ability in birds.

So, the correct answer is option C.