Some examples to identify the type of set ?

Figure (a) and figure (b) both are showing the variation of resistivity (p) with temperature (T) for some materials. Identify the types of these materials.

Identify the correct set

Identify the type of polymer -A-A-A-A-A-A-

Read each set of terms and identify the odd set

Assertion :-In o graasshopper, some of the sperms bear X-chromosome whereas some do not. Reason :- Grasshopper is an example of XX-XY type of sex determination.