Musk melon is harvested for long-distance transportation at:

Correct option is A

Musk melon is harvested at the full-slip mature stage for long-distance transportation to ensure quality and flavor upon arrival. At this stage, the fruit detaches easily from the vine.

· Half-slip stage: Fruit is less mature, unsuitable for long transportation.
· Immature stage: The fruit is not ready for consumption.
· Overripe stage: Leads to spoilage during transport.