Transport GQ3 Quiz

Which of the following does NOT show how development of transport systems result in changes to the physical environment?

• Clearing of natural vegetation, leading to soil erosion

• Shorter travelling time

• Levelling of mountains

• Diversion of river channels

Loss of natural vegetation occurs when forests are cleared to make way for roads. This often results in soil erosion. How might this affect the nearby rivers and the surrounding environment?

• Poisonous substances get washed into the river and kills aquatic life

• Eutrophication occurs, resulting in the rapid growth of algae

• More sediments get washed into rivers, causing water levels to rise, thus increasing the possibility of flooding

How did the construction of the Bukit Timah Expressway (BKE) affect flora and fauna in the Bukit Timah Nature Reserve?

• Reduced the size of animal habitats and restricted animal movement - threaten the survival of endangered species

• Isolated the flora and fauna from the larger Central Catchment Area

• Increased occurrence of wildlife becoming victims of road kill when they try to cross busy roads

• All of the above.

Which of the following is NOT an example of the change in the physical environment resulting from the construction of the Hong Kong International Airport at Chek Lap Kok?

• Temporary diversion of the river channel

• Levelling of mountains on the island to create flat land

• Expansion of the island via reclamation

Part of the Singapore River was temporarily diverted for the construction of the MRT tunnels connecting two stations along the

• Cross Island Line

• Circle Line

• Downtown Line

• Thomson-East Coast Line

Transport systems increase our carbon footprint when _____ is burnt to provide energy and carbon dioxide and other greenhouse gases are produced.

The greenhouse effect is a result of human activities and leads to global warming.

• True

• False

Human activities, such as transport activities lead to the ehanced greenhouse effect and global warming because

• excessive concentration of greenhouse gases trap less heat

• naturally occurring greenhouse gases trap more heat

• excessive concentration of greenhouse gases trap more heat

• naturally occurring greenhouse gases do not trap heat

Which of the following forms of transport has the lowest individual carbon footprint?

• Bus

• Car

• Aeroplane

• Train

What is the amount of carbon emission generated by an individual who is travelling by plane from Singapore to Kuala Lumpur?

• 0.62kg

• 6.2kg

• 62kg

• 620kg