🔬 Science Trivia
Quiz Set 18 — Biology
Answer all 10 questions. Click an option to see if you got it right!
Question 1 of 10
What is the name for the distance from the center to the edge of a circle?
The radius is the distance from the center to any point on the circumference of a circle.
Question 2 of 10
What is the boiling point of water at sea level in Celsius?
Water boils at 100°C (212°F) at standard atmospheric pressure (1 atm).
Question 3 of 10
What is the term for an animal that feeds on both plants and animals?
Omnivores consume both plant and animal matter as part of their diet.
Question 4 of 10
What is the phenomenon where bats navigate using sound?
Echolocation allows bats to emit ultrasonic pulses and interpret the returning echoes.
Question 5 of 10
What is the name for the region of space where nothing can escape a black hole's gravity?
The event horizon is the point of no return around a black hole.
Question 6 of 10
What is the chemical formula for sulfuric acid?
Sulfuric acid has the formula H2SO4 and is one of the most commonly used chemicals.
Question 7 of 10
What organ produces bile to aid digestion?
The liver produces bile, which is stored in the gallbladder and helps digest fats.
Question 8 of 10
What is the principle that states you cannot know both position and momentum precisely?
Heisenberg's Uncertainty Principle states that position and momentum cannot both be precisely measured.
Question 9 of 10
What is the name for the region of space around the nucleus where electrons are likely found?
An orbital is a region of probability for finding an electron around the nucleus.
Question 10 of 10
What is the largest known type of star?
Hypergiants are the largest known stars; UY Scuti has a radius ~1,700 times the Sun's.
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