Environmental problems/transportation

Which of the following statements is true about global warming?

• Global warming has led to large scale deforestation

• Global warming has led to a rise in the sea levels

• Global warming has led to a rapid increase in the population across several countries

• Global warming has led to a huge amount of waste generation

Which of the following statements about the ozone shield is accurate?

• Ozone shield is found in the troposphere

• Ozone shield is found in the stratosphere

• Ozone shield is found in the exosphere

• Ozone shield is found in the mesosphere

The process of clearing a region of its forest cover is known as

• Forestry conversion

• Deforestation

• Pollution

• The greenhouse impact

Which of the following is a degradable pollutant?

• Chemicals

• Plastics

• Metals

• Vegetable wastes

Which of the following does not contribute to the decline or extinction of species?

• Land conversion

• Unsustainable resource extraction

• The introduction of foreign species

• Reforestation

The main advantage of road transport is

• the large loads it can carry

• the flexibility it offers

• the employment prospects it offers

• it is not labour intensive

Which is the most flexible mode of transport?

• Rail transport

• Road transport

• Water transport

• Air transport

The main disadvantage of rail transport to the trader is that

• it is suitable for heavy and bulky goods

• it is suitable for long distance

• it operates on schedules

• It is slow on short distance and inflexible

Which of the following is a disadvantage of road transport?

• It offers door-to-door service

• It is fast over short distances

• It is prone to accident and highway robberies

• It is more readily available than others

The accumulation of large volume of water in an area that is usually dry is

• Erosion

• Flooding

• Drought

• Famine