Medicinal Plants quiz
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What organ did the old doctrine of signatures link walnuts to?
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More questions about Medicinal Plants
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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Where is the plant that gives tea tree oil native?
Answer: Australia
Why: Despite the name, the tea tree is a myrtle and no relative of Camellia sinensis, the plant that gives us drinking tea.
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What animal is the plant echinacea named after?
Answer: Hedgehog
Why: Its common name, coneflower, comes from the way the petals droop to leave the spiny center standing up like a cone.
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Where does the 'spir' in the name aspirin come from?
Answer: Meadowsweet
Why: Its 'a' stands for acetyl, and '-in' was a common ending for drug names at the time.
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Which food crop belongs to the same family as deadly nightshade?
Answer: Potato
Why: Potatoes make their own nightshade poison, solanine, which builds up when the tubers turn green in the light.
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Where are quinine's cinchona trees native?
Answer: The Andes
Why: Java, India and Sri Lanka only grew cinchona after Dutch and British colonial plantations began there in the 1850s and 1860s.
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What autumn crocus chemical helps breed seedless watermelons?
Answer: Colchicine
Why: Crossing a colchicine-doubled watermelon with a normal one gives plants with three chromosome sets, which are sterile and bear seedless fruit.
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