[For Seniors] Multiple-Choice Quiz Collection About Living Creatures

Physical Therapist / WriterKawamura Mina
From a physical therapist to a writer, driven by the desire to travel the world with just a laptop. I’ve traveled to over 20 countries. I hope to deliver writing that many people are glad to have discovered. Thank you in advance.

When it comes to topics that everyone from children to seniors can enjoy, living creatures might be the best choice.

Quizzes engage the brain in a different way than usual, increasing cerebral blood flow and helping to prevent cognitive decline.

Because these quizzes are enjoyable across generations, they also promote communication with others.

You can brainstorm quiz questions with those around you and have fun checking the answers together.

Working on something collaboratively deepens understanding and learning, further boosting the effects of brain training, so be sure to incorporate it as a recreational activity!

[For Seniors] Multiple-Choice Quiz Collection on Living Creatures (1–10)

Which creature among these has a different blood color from the other two?

lobster
tuna
octopus

See the answer

tuna

Lobsters and tuna have blue blood. They contain hemocyanin, a protein that performs the same function as hemoglobin, and because it binds to copper, their blood appears blue.

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