Daily Trivia Quiz - Day 70 (2025-12-19)

Question 1

What is the main practical reason most manhole covers are round?

Accepted Answer

A round cover can't fall through its opening and rolls easily for workers

Question 2

When you lift your foot off the accelerator in many electric cars, they slow down sharply without using the brake pads. Where does much of that "lost" energy go?

Accepted Answer

Back into the battery via regenerative braking

Question 3

Fungi like mushrooms and molds belong to their own kingdom of life. On the evolutionary tree, which kingdom are they actually closer to?

Accepted Answer

Animals

Question 4

Beyond comfort, what is one design reason many public benches include armrests or raised dividers along the seat?

Accepted Answer

To discourage people from lying down and sleeping on them

Question 5

Why was Canberra chosen as Australia's capital instead of bigger cities like Sydney or Melbourne?

Accepted Answer

It was picked as a compromise location between rival cities Sydney and Melbourne

Question 6

Which free-throw style in basketball is mechanically effective but rarely used by pros because many think it looks silly?

Accepted Answer

The underhand "granny" free throw

Question 7

On some vinyl records, what happens if the needle reaches a special "locked groove" at the end of a side?

Accepted Answer

It loops a short bit of sound endlessly until you lift the needle

Question 8

Because of the way Earth's longitude lines work, which U.S. state is both the country's westernmost and easternmost state?

Accepted Answer

Alaska, whose Aleutian Islands cross the 180° meridian

Question 9

Why were many glassmakers in Renaissance Venice forced to move their workshops to the island of Murano?

Accepted Answer

To reduce fire risk in the city and keep glassmaking techniques closely guarded

Question 10

In professional soccer, what is the purpose of the white "vanishing spray" referees sometimes use on the grass during free kicks?

Accepted Answer

To mark temporary lines for the ball and defensive wall that disappear within a minute