Multiple choice general knowledge

2] Environmental friendliness of a vehicle could be measured by the amount of pollutants it emits per passenger per kilometer travelled. Rate the environmental friendliness (1=best & 4=worst) of the following vehicles as per this criterion: Car : scooter : bus : bicycle

  1. 4:3:2:1

  2. 2:3:4:1

  3. 3:2:4:1

  4. 4:2:3:1

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bicycles produce zero emissions per passenger (1=best). Buses carry many passengers efficiently (2). Cars are moderately polluting per person (3). Scooters have high emissions per passenger capacity (4=worst).