The meaning of unification of teaching skills is

Correct option is B

Solution
The  possession of skills is an essential feature of any profession. Skills provide a means for professionals to put theoretical knowledge into practice. Effective teachers should possess skills and competence that set them apart not only from non-professionals, i.e., non-teachers but also from ineffective teachers.
· The teachers we need can be made available through appropriate education and training.
· The skills required by them can be taught, practiced, evaluated, predicted, and controlled.
Key Points
· Teaching Skills are defined as a group of teaching acts or behaviors intended to facilitate students learning directly or indirectly. It is employed extensively in daily teaching.
· Unification means to make the things combined or make them a whole. Unification of teaching skills is to  choose proper teaching skills in one lesson.
· If the teacher unifies all his/her skills in the lecture, he/she will be able to summarise the whole topic in one attempt.
· The teacher will teach with great accuracy and knowledge if she/he unifies all teaching skills.
Thus, it is concluded that the meaning of unification of teaching skills is to  choose proper teaching skills in one lesson.