Q.Why is air transport, despite being the costliest mode, still preferred for certain kinds of goods? Give examples.

Cost is not the only factor a business weighs — for some goods, speed itself is worth paying a much higher price for. …

Air transport is by far the most expensive mode of transport per tonne, but it is still preferred for certain goods because its overriding advantage — speed — outweighs the extra cost in specific situations:

1. Perishable goods (fresh flowers, certain fruits) that would spoil if moved by a slower mode.
2. Urgently needed goods (medicines, emergency spare parts) where delay could cause serious harm or loss.
3. Light, high-value goods (electronic components, jewellery, express courier documents/parcels) where the transport cost is only a small fraction of the goods' value, making the extra air-freight cost affordable in relative terms. …

Suggesting air transport is used for heavy/bulky cargo — its high cost per tonne makes it uneconomical for anything but …