Lactose intolerance is a frequent reason to avoid milk and dairy products. What is lactose?

a sugar

a lactic acid

a protein

a process of milk fermentation

Lactose is a disaccharide sugar that makes up around 2-8% of milk. Lactose intolerance is not an allergy. It is the inability to digest lactose due to insufficient levels of lactase, the enzyme that metabolizes lactose into glucose and galactose.

Kasia

Steven Depolo

chemistryfoodhuman anatomymedicinenature

Food quiz Human anatomy quiz Medicine quiz

You will play as

Answers by country

Germany

72%

17%

1337

Switzerland

72%

19%

130

Austria

71%

21%

204

Republic of Ireland

65%

18%

13%

Pakistan

63%

17%

10%

174

the Netherlands

63%

16%

13%

Malaysia

53%

19%

11%

16%

Poland

50%

25%

11%

30852

Belarus

50%

27%

12%

139

India

45%

28%

10%

13%

1337

the United Kingdom

45%

20%

16%

702

Australia

43%

17%

26%

11%

184

Russia

42%

32%

10%

11%

1004

the United States

41%

24%

15%

16%

1627

Nigeria

39%

22%

12%

24%

166

Unknown

38%

20%

13%

27%

Ukraine

36%

38%

10%

11%

630

Canada

32%

38%

14%

13%

162

the Philippines

31%

34%

10%

20%

158

Kazakhstan

27%

38%

12%

20%

123

What is the main difference between Coca-Cola sold in the US, and the Coca-Cola sold in the EU?

Aside from cattle, which animal provides most milk used by humans?

Which food processing company has the largest revenues?

What was the capital of Brazil, before Brasília took its place?