Difficulty: Easy
Correct Answer: Pipe lines
Explanation:
Introduction / Context:India employs multiple transport modes for passenger movement: railways, roads, civil aviation, and coastal/inland waterways (shipping). Understanding what counts as a passenger mode clarifies planning priorities and infrastructure investments.
Given Data / Assumptions:
Concept / Approach:
Passenger transport modes must support boarding, seating, tickets, and safety systems for people. Railways, roads (buses, taxis), shipping (ferries), and airlines obviously satisfy this. Pipelines are engineered for commodities (petroleum, gas, water, slurry) and do not carry passengers.
Step-by-Step Reasoning:
List recognized passenger modes → rail, road, air, water.Identify pipeline purpose → commodity conveyance only.Select “Pipe lines” as not used for passengers.Verification / Alternative check:
National transport statistics and policy documents classify pipelines strictly as freight/utility networks, not passenger systems.
Why Other Options Are Wrong:
Common Pitfalls:
Final Answer:
Pipe lines.
Discussion & Comments