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This quiz contains 8 questions from a mix of 1 subtopics.
Fertilisers typically contain three essential elements. What are they?
Potassium
Phosphorus
Nitrogen
Magnesium
Chlorine
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Which part of a plant absorbs minerals ions?
Roots
Leaves
Stem
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What is the main reason plants need nitrogen?
To make fatty acids that can be used to produce triglycerides
To make amino acids that can be used to produce proteins
To make chlorophyll for photosynthesis
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What useful compound is produced when phosphate rock is reacted with phosphoric acid?
Triple superphosphate
Single superphosphate
Calcium nitrate
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The compound KNO3 is used in fertiliser as it provides two essential elements to plants. These are and nitrogen.
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NPK fertilisers are formulations of different salts.
Explain what is meant by the term 'formulation'.
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What do plant fertilisers do?
They provide mineral ions needed by plants
They provide food for plants to grow
They help insects pollinate plants
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The compound KNO3 is used in fertiliser as it provides two essential elements to plants. These are potassium and .
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