Quiz: Physical and Chemical Plant Defences
AQA GCSE Combined Science specification.
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Welcome! You've already learned about how plants can get diseases and the ways they defend themselves. Now, let's test your knowledge of physical and chemical plant defences!
Which of the following is a physical defence mechanism in plants?
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Which of these are chemical defences used by plants to protect against pathogens? (Select all that apply)
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A plant's {{blank0}} provides a physical barrier, while the production of {{blank1}} helps chemically defend against pathogens.
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Match the items on the left with their correct pairs on the right
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What is the purpose of callose in plant defences?
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Which of the following are examples of physical barriers in plants? (Select all that apply)
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Plants produce {{blank0}} chemicals to target fungi and {{blank1}} chemicals to target bacteria.
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A plant produces 15 units of a chemical toxin per hour to fight pathogens. How many units are produced in 6 hours?
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Match the items on the left with their correct pairs on the right
Which structure helps prevent water loss and stops pathogens from entering leaves?
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