Bugs
Human Medical Conditions
Mathematics
Mammals
Demographics
100

A mosquito vibrates these to create its signature buzzing sound.

What are its wings?

100

The government may label you this if you have 10 percent or less of normal vision.

What is legally blind?

100

This antient calculator is referred to as a suan pan by the Chinese.

What is an abacus?
100

This O-word is used by biologists to describe any living thing?

What is organism?
100

This is the number of gallons of water an American uses per day. (1.6, 16, or 168)

What is 168?

200

A tarantula has this many legs.

What are 8?

200

This disease was first prevented by Edward Jenner in 1798 by first treating a boy with cowpox.

What is smallpox?
200

The name for the side of a right triangle opposite of the right angle.

What is the hypotenuse?

200

This is the number of horns an African Rhinocerous has.

What is 2?

200

This country is home to the most cattle.

What is India?

300

This arthropod is the main food source for moles.

What are earthworms?

300

This artificial sweetener was banned by the FDA after causing bladder cancer in test subjects.

What is saccharine?

300

This mathematical term is also used to describe the lowering of taste or quality to reach the widest audience.

What is the lowest common denominator?

300

This is a more common name for a marsupial's marsupium.

What is a pouch?

300

This country has the most scientists per capita.

What is South Korea?

400

This roasted insect is used to flavor Jiminy Bread.

What are grasshoppers?

400

This muscle relaxant was 5 to 10 times stronger than Librium when launched in 1963.

 What is Valium?

400
This not-so-round number was first calculated by Archimedes around 250 BCE.

What is pi?

400

This is the largest species of North American deer.

What is/are moose?

400

This country, second only to the United States, has the most nuclear power plants.

What is France? OR What is China? 

500

The tsetse fly has this many sets of wings.

What is one?

500

A bruxomaniac may grit these.

What are teeth?

500
This geometric shape describes the Transamerica corp. building, the Louvre skylights, and the Memphis location of Bass Pro Shop's.

What is a square pyramid?

500

This is the subfamily of animals that a musk ox belongs to. 

What is the sheep family (Caprineae)? [will also accept the bovid family (Bovidae)]

500

This country has the lowest infant mortality rate globally.

What is singapore?