1) Pesticides are used to kill...... a) weeds b) pests c) butterflies d) fungi 2) Fertilisers make crops grow a) larger b) smaller c) slower d) they have no effect on growth 3) To kill pests, biological control uses.... a) chemicals b) natural predators c) weeds d) organic farming 4) Plants absorb nitrates from the soil in order to make.... a) amino acids to form fat b) amino acids to form protein c) glucose to form fat d) glucose to form protein 5) Animal obtain amino acids to make protein by.... a) absorbing nitrate from the soil b) breathing in nitrogen c) eating plants and other animals d) drinking water 6) A disdvantage of using ferilisers. a) They may leach into waterways and cause algal blooms to form b) They may make plants grow too big c) Bioaccumulation d) They could cause mutations 7) A disadvantage of pesticide use. a) Form algal blooms b) Bioaccumulation c) They kill crops d) They are selective 8) The buildup of toxic substances from pesticides in living organisms over time. a) biological control b) pests c) mutations d) biaccumulation 9) If pesticides entered this food chain, which group would have the highest pesticide levels? a) grass b) rabbit c) fox d) bear 10) An alternative to the use of fertilisers and pesticides a) herbicides b) biological control c) genetically modified crops d) water

Food production

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