[For Seniors] Surprising Facts! Multiple-Choice Trivia Quiz (4 Options)

purple

At sushi restaurants, soy sauce is nicknamed “murasaki,” which literally means purple. It’s said to evoke a sense of luxury and formality. There’s also a theory that in the past, people used the word “purple” to refer to a reddish-brown color; since soy sauce looks reddish-brown when dripped onto a plate, the term “murasaki” came to be used.

To prevent moisture

The arare (crispy rice crackers) in ochazuke seasoning aren’t just there for texture when you eat it! In fact, they also act like a desiccant, absorbing moisture from the other ingredients to help keep that crispy crunch.

catfish

In the past, people in Japan believed that earthquakes were caused by catfish thrashing about underground. It’s said that during the Edo period, some ukiyo-e prints depicted a giant catfish that triggered earthquakes. Before the scientific causes of earthquakes were understood, people tried to explain natural phenomena through myths and folklore.

foot

Actually, a cricket’s ears are located on the shins of its front legs. It senses sound with the sensory organs there. Surprising, right? Many people are shocked to learn they’re in such an unexpected place. Although a cricket’s ears are extremely small, they can distinguish a wide range of frequencies!

24 hours

The maximum keep-warm time for a typical household rice cooker is about 24 hours. However, this can vary by model and manufacturer, and keeping rice warm for more than 24 hours may affect taste and food safety, so caution is needed. If you have leftovers, freezing them is recommended!

No effect

The method of placing water bottles to keep cats away is said to have no scientific basis and to be largely ineffective. There is a theory that cats dislike light reflected in the water, but in reality it is considered ineffective for various reasons.

yellow

When you buy a pack of origami paper with various colors, there are usually only a few sheets of gold and silver, right? Because of that, many people treasured the gold and silver sheets when they were little. In fact, that gold-colored paper is made by applying yellow over silver paper. The combination of the silver sheen and the yellow makes it look like a color with a gold-like shine.