catwoman, to my great amusement, you have proven my point. the quiz answer marked correct was neptune. you're welcome.

Which planet has the most moons?

Saturn is marked as incorrect despite being the correct answer.
https://science.nasa.gov/solar-system/moons/

Which country has the highest population?

the correct answer should be India.
https://www.worldometers.info/world-population/population-by-country/

Q. Which bird belongs to the Struthioniformes order?
.
Two of the given answers are correct.
Ostrich and Rhea.

Where is Malcom X buried?
.
Incorrect spelling. Should be Malcolm.