Question

Birds can fly because air pressure is

• A. Pressure below their wings is greater than above
• B. Pressure below their wings is same as above
• C. transmitted through their wings
• D. Pressure above their wings is greater than below

Answer 1

The correct option is A Pressure below their wings is greater than above

Feathers are soft and stiff which help in flight, also the feathers trap small packets close to the bird's body helping in flight. Thus, birds can fly due to the feathers, wings and hollow bones.
pressure above wings is low