Food supply

The graph illustrates world wheat production between 1950 and 2000. What factors have led to the changes shown in wheat production?

Feb/March 2017

What is one major factor that contributes to the problem of famine across the world?

Feb/March 2018

What is used to cut down competition from weeds when crops are being grown?

Feb/March 2019

Modern technology has led to a rise in food production.

Feb/March 2019

Which statement identifies a disadvantage of cultivating crop plants as a monoculture?

Feb/March 2025

Table 9.1 gives examples of parts of a balanced diet and foods with a high proportion of each part. Complete Table 9.1 by filling in the missing spaces.

May/June 2016

Wheat is a crop plant cultivated to provide flour.

May/June 2017

Why are chemical fertilisers used in food production?

May/June 2018

Which of the following would be least likely to raise the risk of famine among humans?

May/June 2018

Which of the following is not a reason for using chemical fertilisers in food production?

May/June 2019

Which of the following is not a reason for the use of chemical fertilisers in food production?

May/June 2019

Draw five lines so that the type of modern technology is linked to the way it has improved food production.

May/June 2019

What is one benefit of cultivating crops as a large-scale monoculture?

May/June 2024

A number of statements about food production are given. Which statements about the ways food production can be increased are correct?

May/June 2025

Two livestock production methods are shown below. method 1: Animals are kept within a confined area, so their movement is limited. method 2: Animals are permitted to roam over a much larger area. What is one advantage of method 1 over method 2?

May/June 2025

What can help lessen the occurrence of famine?

Oct/Nov 2022

Fig. 3.1 displays the estimated rise in the global human population from the 1860s to the 2010s, and it also plots the estimated number of people affected by famines over the same period.

Oct/Nov 2022

Humans have developed modern farming methods to raise food production. Explain how using herbicides and chemical fertilisers has increased food production.

Oct/Nov 2023

In what way do herbicides increase food production?

Oct/Nov 2024

What is used to lessen competition from weeds when crops are being grown?

Oct/Nov 2025

What is one drawback of intensive farming?

Oct/Nov 2025

Why are chemical fertilisers used in food production?

Oct/Nov 2025

What is one benefit of large-scale monocultures?

Oct/Nov 2025

Over time, humans have raised food production. Fig. 5.1 illustrates the rise in rice production from 1960 to 2010 in one country.

Oct/Nov 2025