data structures using multiple-choice questions ( ( ( ( ( ( ( true true true true true true false true true false true or false false false false false fill in the blanks user defined structure declaration structure name typedef zero null character dot operator nested structure self-referential we declare variable of structure union refer to the individual members of structure or union union multiple-choice questions ( ( ( ( ( ( ( false true false false false true avail ( ( two one two one two one node start node there is no memory that can be allocated for the new node to be inserted two true or false true false true true fill in the blanks first multiple-choice questions ( ( ( ( true true true false true or false false true true false false false true false fill in the blanks stack stack we try to delete node from stack that is empty non-tail directly ( left to right