Explanation : (C) An examination is an assessment intended to measure a test-taker's knowledge, skill, aptitude, physical fitness or classification in many other topics. So, understanding and application based questions should be asked to check these qualities in the students.
Explanation : (B) Education system should make curriculum by considering the multilingual students in the class. These are problem of co-ordination among the multilingual students
Explanation : (D) The environment of the classroom should be pleasant so that student should not take disinterest in the teaching process. There are broad range of educational concepts, including the physical setting, the psychological environment teacher characteristics and behaviours which interest student to study well.