What part of the plant is a potato?
AnswerA tuber, a swollen underground stem
Potatoes are stem tubers: their 'eyes' are buds that can sprout new shoots.
Food · Facts & stats
Veg facts & stats
7 fact-checked facts about vegetables, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What pigment makes most leafy vegetables green?
AnswerChlorophyll
Chlorophyll absorbs light for photosynthesis and reflects green wavelengths.
Going deeper
Potatoes were first domesticated in which region?
AnswerThe Andes of South America
People in the Andes, around modern Peru and Bolivia, domesticated potatoes thousands of years ago.
Which compound makes chili peppers taste hot?
AnswerCapsaicin
Capsaicin binds to heat-sensing receptors in the mouth, creating a burning sensation.
Despite the name, what kind of plant is a peanut?
AnswerA legume
Peanuts are legumes, related to peas and beans, and their pods ripen underground.
Expert level
Broccoli, cabbage, kale and cauliflower all belong to which single species?
AnswerBrassica oleracea
Farmers bred these very different vegetables from the same wild cabbage species.
Onions, garlic, leeks and chives belong to which plant genus?
AnswerAllium
Allium plants contain sulfur compounds that give them their sharp smell and taste.
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