Question

Which of the following statements is correct?

• A. All birds can fly.
• B. The hindlimbs of birds are modified to wings.
• C. Birds have hollow bones.
• D. The forelimbs of birds are for walking and perching.

Answer 1

The correct option is C Birds have hollow bones.

Birds like penguins and ostrich cannot fly. The birds which can fly have hollow bones which helpd them to have a light body weight. This feature helps them to fly. The forelimbs of birds are modified to wings and their hindlimbs are for walking and perching.