We can say that lectures are not beneficial for all students in the class room.
1. There are many problems which students have to face during lecture in classroom. Students have to face the timing issue to attend the class and if they are late mostly they cannot attend class which is very harmful for their studies. There are large number of students in the classrooms which ignore weak students. Because of large numbers of students in the class any teacher cannot focus on all students. We can say that lectures are not beneficial for all students in the class room.