Which statement concerning the angle of attack is correct?

Question

Question PPL(A) - Private Pilot License - Principle of Flight

QuizVDS · Accepted Answer

A too large angle of attack may result in a loss of lift

QuizVDS · Answer

The angle of attack cannot be negative

QuizVDS · Answer

Increasing the angle of attack results in decreasing lift

QuizVDS · Answer

The angle of attack is constant throughout the flight

Id 29 - PPL(A) EN - Which statement concerning the angle of attack is correct?