(i) 1. Diaspora is he movement of the people from their original place to other geographical area. 

2. Though people migrate they maintain their originality in the migrated area. 

3. The people though they have migrated from their original place, follow their rituals, customs and maintain their original existence in areas where they have been migrated. 

Example: Migration of rural people to urban area.

(ii) 1. Bio-Sociology is a subject that has emerged relatively recently in Sociology. 

2. Researchers in the area use a variety of sociological methodologies to study the role of biology in human social life. 

3. Biologically male and female are different. Both have different strength and capacity because of their body structure. But in society culture plays different role in nurturing them. 

4. These discrimination and differences affected the society in a great way. BioSociology helps to understand this concept.

Example : Gender differences and discrimination.