Shapes of Atomic Orbitals — Prelims Questions

Which of the following statements about the shapes of atomic orbitals is INCORRECT?

What is the total number of nodes (radial and angular) present in a $4f$ atomic orbital?

Which of the following sets of quantum numbers ($n, l, m_l$) correctly describes an orbital with a dumbbell shape and oriented along the y-axis?

Which of the following orbitals has the highest number of radial nodes?

Which of the following orbitals has two angular nodes?

Which of the following sets of quantum numbers ($n, l, m_l, m_s$) is NOT permissible for an electron in an atom?