Diversity means collective differences, that is, differences that mark one group of people from another. These differences may be of any sort: biological, religious, abilities, physical conditions, appearances, cultural, linguistic, etc.. On the basis of biological differences, for example, we have racial diversity.On the basis of religious differences, we have religious diversity. Socio-cultural diversity concerns aspects of culture that can influence an individual's interactions with others of different backgrounds.A teacher should have to pay respect and also have to include the socio-cultural diversity of students which helps students as-Emphasis on the ability to live in unity.Students can learn about different cultures when different types of students are there.Opportunity for the student to gain knowledge about engaging with different types of people who are different by language, gender, culture, and tradition.So that's why option (2) is the correct answer.?Hint ?Students should never be judged by the teachers by their physical appearances, economic conditions, disabilities, etc.?Because this type of judgment harms students learning as well as their cognition.?