Global Food

Question 1

Where are the areas of fastest population growth?

Accepted Answer

Africa 2.51% per year

Question 2

How is climate change altering the weather patterns? (3 correct answers)

Accepted Answer

droughts are becoming longer, floods are becoming greater, hurricanes are becoming more frequent

Question 3

Soil erosion is caused by... (3 correct answers)

Accepted Answer

deforestation, overcultivation, overgrazing

Question 4

What does food security mean?

Accepted Answer

Continuous access to food to maintain a healthy life.

Question 5

How is famine described?

Accepted Answer

'a widespread scarcity of food'

Question 6

What are the main factors that cause problems for food production?

Accepted Answer

Conflict, Drought

Question 7

What are some of the strategies to increase global food supply? (3 correct answers)

Accepted Answer

biotechnology, irrigation, aeroponics and hydroponics

Question 8

A rise in price is caused by... (2 correct answers)

Accepted Answer

poor harvest, reduction of supply

Question 9

Water stress is when annual fresh water supplies within a country...

Accepted Answer

drops below 1,700 cubic metres per person per year

Question 10

Almost half of the world's population will be living in areas of high water stress by...

Accepted Answer

2030

Question 11

Why is demand for food growing? (2 correct answers)

Accepted Answer

population growth, economic development

Question 12

Overgrazing leads to ... (2 correct answers)

Accepted Answer

exposed soil, trampled soil

Question 13

People living in poverty are often described as being in the ...

Accepted Answer

'vicious cycle' of poverty

Question 14

Aeroponics is the process of ...

Accepted Answer

using air rather than soil to grow plants

Question 15

Example of the New Green Revolution strategy to increase global food supply.(3 correct answers)

Accepted Answer

Promote mixed arable and livestock farming, Using genetic pest and disease control instead of chemicals, Breading plants which can withstand drought.

Question 16

How does economic development lead to growing demand for food? (2 correct answers)

Accepted Answer

As NEEs become richer their diets change., Higher consumption of meat instead of grains such as rice.

Question 17

The advantage of hydroponics is that ... (3 correct answers)

Accepted Answer

they use less space, the plants receive more nutrients, they use less water

Question 18

Food insecurity leads to .... (3 correct answers)

Accepted Answer

rising prices, famine and undernutrition, conflict and social unrest

Question 19

Diseases such as AIDS and malaria worsen food insecurity, as they...

Accepted Answer

reduce the available workforce in agriculture

Question 20

Biotechnology is ...

Accepted Answer

when animals, plants and fish are genetically modified.

Questions 20