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6.2 Feeding the human race

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Question 14

In some regions, food security is a major global challenge.

a.

Hydroponics is a modern method used to grow crops efficiently. What is hydroponics?

Select the correct description from the options below:

  • A: Growing crops in a nutrient-rich, water-based solution instead of soil
  • B: Growing crops on high-altitude terraced mountainsides
  • C: Growing crops in dry desert sand irrigated with desalinated water
  • D: Growing crops inside pressurized carbon dioxide chambers
[1]
b.

The table below shows population and food security data for Province P and Province Q:

ProvinceTotal population (millions)Percentage of population experiencing food insecurity (%)
Province P36.035%
Province Q145.012%
  1. Calculate the absolute number of people (in millions) experiencing food insecurity in Province P.
  2. Calculate the absolute number of people (in millions) experiencing food insecurity in Province Q.
  3. Compare the food security status to determine which province has more individuals affected in absolute numbers, and list two biological or environmental factors that can cause food insecurity in a region.
[5]
Markscheme

6.2 Feeding the human race Questions

  1. GCSE
  2. /Biology
  3. /6.2 Feeding the human race

25 exam-style questions on OCR GCSE Biology 6.2 Feeding the human race, covering 6.2.1 Biological factors affecting food security, 6.2.2 Agricultural solutions to growing demand, 6.2.3 Selective breeding, 6.2.4 Genetic engineering, 6.2.5 Steps in genetic engineering, 6.2.6 Benefits and risks of gene technology in agriculture, and 6.2.7 Biotechnological solutions to growing demand. Each one has a worked solution and a mark scheme showing where the marks go.

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