Effective teacher: An effective teacher is one who is more than just an expert in the academic field. Effective teaching happens when a teacher is successful in keeping the students actively involved in learning by providing a variety of learning experiences. Characteristics of an effective teacher:It is a place where there is a lively and healthy interaction between students and teachers.Learning should go beyond the book and should be focused on instilling curiosity and inquisitiveness.An effective teacher should focus on how well the students have understood a particular topic and motivate them to learn.An effective classroom is one where the teacher is a facilitator and a role model and not merely an instructor.The teacher can provide real-life examples to inspire students to learn and to connect the concepts with daily life.The teacher should value the needs, emotions, and abilities of the students.Hence, option (2) is the correct answer.HintThe teacher should help them to gain concepts instead of punishing them for mistakes and errors.The effective teacher tries to build new knowledge of the student based on the previous experiences.Teaching should be flexible ineffective teachers classroom, it is not an instructional based teaching.