Which of the following choices are incorrect? [Multiple answers]

Question

BlackTom AI · Accepted Answer

Koji is a filamentous mold (Aspergillus oryzae) used as a defined fermentation starter in Japan for brewing sake, making miso and soy sauce; Korea uses a different traditional starter called nuruk (a mixed, naturally inoculated starter) rather than the Japanese koji. Therefore the statement that “koji refers a microorganism used for alcohol making from medieval Korea” is incorrect.

Relevant knowledge points:
- Koji = Aspergillus oryzae, a deliberate mold culture central to Japanese fermentation (sake, miso, soy sauce).
- Nuruk = traditional Korean fermentation starter composed of mixed microbes, used for makgeolli and other alcoholic fermentations.
- Tofu (bean curd) has its origin in ancient China (commonly attributed to the Han dynasty era) and was adopted later by Japan; it was not invented in Japan.

Step-by-step reasoning:
1. Compare the claim in B to historical and microbiological facts: koji is Japanese in terminology and practice; Korean medieval fermentations used nuruk. Thus B is false because it misattributes koji to Korea.
2. Compare the claim in D to culinary history: tofu originated in China (Han dynasty and later), then spread to neighboring countries including Japan. Thus D is false because it claims a Japanese invention.

Why the correct selection (B and D) is correct:
- B is wrong because the appropriate Korean starter is nuruk, not koji; even if similar microbes may occur, the cultural and technical term “koji” is Japanese.
- D is wrong because tofu’s invention is historically traced to China, not Japan.

Why the other options are not flagged here:
- The remaining choices (A and C) were not selected as incorrect; that implies their statements align with established historical or scientific facts and therefore are not false.

Conclusion: The incorrect choices are B and D, which matches the provided answer.

Which of the following choices are incorrect? [Multiple answers]多项选择题

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