The Green Revolution is related to plants in the same way the Silver Revolution is related to....... 

Gravity is related to Pull in the same way as Magnetism is related to.......

Exculpate is to Acquit as Precise is to........

Choose the correct alternative for the word belongs to the same group.

Sitar : Guitar : Tanpura

Choose the correct alternative for the given relation.

Heart : Cardiology

Choose the correct alternative for the given relation.

Foundation : Edifice : : Constitution : ?