Q 01/05

Tofu is prized for its protein, but what makes up about 85% of a raw block?

A) Fat

B) Starch

C) Water

D) Fibre

Answer · why

C) Water

Water: a raw block of regular tofu is about 85% water and only about 8% protein. The firmer styles are firmer simply because more of that water has be...

Q 02/05

A Chinese text of about 965, the earliest known to mention tofu, says locals nicknamed it the vice mayor's what?

A) Mutton

B) Cheese

C) Bread

D) Pearls

Answer · why

A) Mutton

Mutton: the Qing Yilu tells of an official who went without meat and bought tofu every day instead, so townspeople dubbed it the vice mayor's mutton. ...

Q 03/05

Chinese legend says tofu was invented over 2,000 years ago by Liu An, a prince of which dynasty?

A) Tang

B) Han

C) Ming

D) Zhou

Answer · why

B) Han

Han: Liu An, a grandson of the dynasty's founder, ruled Huainan until his death in 122 BC. Yet no surviving text links him to tofu until more than 1,0...

Q 04/05

Unlike some plant proteins, tofu is called a complete protein because it supplies all nine of what?

A) B vitamins

B) Essential amino acids

C) Omega-3 fatty acids

D) Dietary minerals

Answer · why

B) Essential amino acids

Essential amino acids: the body cannot make these nine itself, so they have to come from food, which is why soy foods are such a mainstay of meat-free...

Q 05/05

One theory says tofu was discovered by accident when ground boiled soybeans were mixed with what?

A) Sour milk

B) Impure sea salt

C) Wood-ash lye

D) Rice vinegar

Answer · why

B) Impure sea salt

Impure sea salt: unrefined sea salt carries other mineral salts besides table salt, and these curdle hot soybean soup, so a cook seasoning the pot cou...