Unit 4 Major farming problems in China

Which of the following will NOT lead to insufficient arable land in China in the long run?

• Urban development

• Environmental pollution

• Improper farming methods

• Rural development

Answer explanation

Urban development, environmental pollution, and improper farming methods have caused a reduction in arable land in China.

What natural hazards do farmers face in Huanan region in China?

• Earthquakes

• Temperate Cyclones

• Typhoons

• Tornadoes

Answer explanation

Typhoons bring strong winds and heavy rain that can damage crops in Huanan region in China.

What has caused the shortage of farm labour in China?

• Aging population

• Decrease in crop yield

• Increase in mechanization

• Urban migration

Answer explanation

Many farmers and young people have moved from rural areas to urban areas due to industrial and urban development, leading to a shortage of farm labor.

What percentage of China's arable land was reported as polluted in 2014?

• 5%

• 10%

• 15%

• 20%

Answer explanation

Approximately 20% of China's arable land was reported as polluted in 2014 due to human activities.

Which farming practice can lead to over-cultivation and soil degradation?

• Crop rotation

• Terracing

• Mixed cropping

• Monoculture

Answer explanation

Monoculture involves growing a single crop repeatedly on the same land, depleting soil nutrients.

What type of weather condition can hinder plant growth and damage crops in Xibei region in China?

• Drought

• Heavy rain

• Heatwave

• Hailstorm

Answer explanation

Extremely low air temperatures can hinder plant growth and damage crops in Xibei region in China.

How does urban expansion affect agricultural land in China?

• Urban growth reduces the amount of farmland

• Urban growth increases the amount of farmland

• Urban growth has no effect on farmland

• Urban growth converts farmland into forests

Answer explanation

Urban development often leads to the expansion of urban areas at the expense of farmland.

What percentage of farmland in China was degraded by soil erosion and desertification in 2014?

• 20%

• 30%

• 40%

• 50%

Answer explanation

Soil erosion and desertification degraded 40% of farmland in China in 2014.

What is the improper farming method that will lower the farm outputs in the long run in China?

• Use organic fertilizer

• Over-cultivation

• Drip irrigation

• Crop rotation

Answer explanation

Over-cultivation will use up the soil nutrients and moisture quickly.

What impact does the aging population have on farm labor in China?

• Increase

• Keep stable

• Decrease

• None

Answer explanation

The aging population in China contributes to a reduction in the farm labor force.