10 free Yoghurt trivia questions with answers — trivia quiz, new questions added Aug 2026.
Yoghurt's been around since ancient Mesopotamia, yet most people can't name a single probiotic strain. This 10-question quiz cuts through the marketing hype and tests what you actually know about the world's favorite fermented dairy. Ready to prove you're more than a casual yoghurt consumer?
All 10 questions with answers and explanations. Play the quiz
Q 01Which ancient region is widely considered to be the origin point for yogurt production?
Central Asia and the Middle East
Yogurt is believed to have been first discovered by Neolithic people in Central Asia and Mesopotamia around 5000 BC, likely through accidental fermentation of milk in animal-skin pouches.
Q 02What two primary bacterial species are essential for the traditional fermentation of milk into yogurt?
Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus
The main bacteria used in traditional yogurt production are Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus, which work synergistically to ferment lactose into lactic acid.
Q 03What is the common term for yogurt that has been strained to remove most of its whey, resulting in a thicker consistency and higher protein content?
Strained yogurt
Strained yogurt, often marketed as 'Greek yogurt' in North America, is made by removing much of the liquid whey, which concentrates the solids and results in a thicker, creamier product with more protein.
Q 04Which benefit is often associated with eating yogurt containing live and active cultures?
Improved digestive health
Yogurt with live and active cultures contains probiotics, which are beneficial microorganisms that can help balance gut bacteria, aid digestion, and boost immune function.
Q 05'Yogurt' is believed to derive from a verb meaning 'to thicken' in which language?
Turkish
The word 'yogurt' comes from the Ottoman Turkish 'yoğurt', which is related to the verb 'yoğurmak', meaning 'to knead', or 'to be curdled or coagulated; to thicken'.
Q 06What is the primary chemical process that transforms milk into yogurt?
Fermentation
Yogurt is a fermented dairy product. During fermentation, lactic acid bacteria convert the lactose (milk sugar) into lactic acid, which causes the milk proteins to coagulate and thicken.
Q 07Beyond cow's milk, yogurt can also be made from the milk of which other animal?
Sheep
While cow's milk is most common, yogurt can be made from the milk of various animals, including water buffalo, goats, ewes (sheep), mares, camels, and yaks.
Q 08Who industrialized yogurt production and founded Danone in the early 20th century?
Isaac Carasso
Isaac Carasso founded the Danone company in Barcelona, Spain, in 1919, inspired by the research of Élie Metchnikoff on the health benefits of lactic acid bacteria in yogurt.
Q 09What is a common use for plain yogurt in Middle Eastern and Indian cooking?
In marinades for meat or as a base for sauces
Plain yogurt is widely used in cooking as a tenderizing marinade for meats, a base for creamy sauces and dips like tzatziki, or as a cooling accompaniment to spicy dishes.
Q 10What type of milk alternative is commonly used to create plant-based yogurt products?
All of the above
Plant-based yogurts are made from various dairy-free alternatives such as soy milk, almond milk, cashew milk, coconut milk, and oat milk, catering to those who avoid dairy.