Food Resources; Impacts of Intensification of Food Production

What is the result of eutrophication?

• Decreased sunlight reaching aquatic plants
• Increased underwater species
• Increased oxygen levels in water
• Decreased algal bloom

What causes contamination of groundwater?

• Mechanization of farms
• Overuse of fertilisers and pesticides
• Lack of proper drainage
• Excess nutrients in the water

What is the process of contamination of groundwater?

• Excess nutrients in the water
• Overuse of fertilisers and pesticides
• Mechanization of farms
• Lack of proper drainage

What is salinisation?

• The process of water seeping into the soil
• The presence of excess nutrients in the water
• The process of salt being left behind on the soil after evaporation
• The process of crops dying due to lack of nutrients

What is the cause of eutrophication?

• Lack of proper drainage
• Mechanization of farms
• Excess nutrients in the water
• Overuse of fertilisers and pesticides

What can be a consequence of job loss in the agricultural sector?

• Increased income for farmers
• Decreased unemployment rates
• Increased job opportunities in other sectors
• Farmers being out of a job

What is waterlogging?

• The process of salt being left behind on the soil after evaporation
• The process of soil being over-saturated with water
• The process of water seeping into the soil
• The process of crops dying due to lack of nutrients

What is the impact of mechanization on labor in the agricultural sector?

• Increased job opportunities
• Decreased use of machines
• Increased wages for workers
• Decreased need for labor

What is a potential danger of drinking contaminated groundwater?

• Increased oxygen levels in water
• Loss of jobs
• Poisoning
• Decreased sunlight reaching aquatic plants

Where has the problem of salinisation been observed?

• Australia
• Canada
• USA
• China