The shift of dependence of workers from farm-based occupations (primary sector) to non-farm based ones (secondary and tertiary sector) is known as ____________.

Sectoral shift 

The correct answer is Option 3: Sectoral shift 

The movement of workers from the primary sector (agriculture and related activities) to the secondary and tertiary sectors is known as a sectoral shift in the economy. It reflects economic development and structural transformation.

NCERT: The shift of dependence of workers from farm-based occupations (primary sector) to non-farm based ones (secondary and tertiary sector) is known as 'sectoral shift in economy'.