Most primitive and advanced type of placentations are respectively

1. Marginal and axile
2. Superficial and axile
3. Superficial and basal
4. Parietal and basal

Hello Student
Correct answer is 3. Superficial and Basal Placentaions respectively.
Superficial Placentation is also known as laminar Placentaion and laminar placentation is primitive placentaiton.
And Basal placentation is most advanced type of placentation.