Which of the following is a secondary activity?

Processing of sugarcane to make sugar

The correct answer is Option (4) → Processing of sugarcane to make sugar

• Subsistence farming → Primary activity (agriculture).

• Gathering of fruits and nuts → Primary activity (direct use of natural resources).

• Providing banking facilities → Tertiary activity (services).

• Processing of sugarcane to make sugar → Secondary activity (manufacturing/processing raw materials into finished goods).