Our general knowledge trivia questions and answers are a fun way to learn some random facts about geography, history, politics, sports, science, technology, music, food, wild life, entertainment, cultures or just about anything.
Put on your thinking cap and test how much you really know about the world around you. Have fun!
What is the term for the hard outer layer of teeth?
Enamel
Dentin
Pulp
Cementum
Root
Correct answer is A
Enamel is the hard, outer protective layer of teeth.
Which vitamin is known as ascorbic acid?
Vitamin A
Vitamin B12
Vitamin C
Vitamin D
Vitamin K
Correct answer is C
Vitamin C, also known as ascorbic acid, is essential for tissue repair and immune function.
What is the term for the process of cell division?
Meiosis
Mitosis
Osmosis
Photosynthesis
Fusion
Correct answer is B
Mitosis is the process of cell division in which one cell divides into two identical cells.
Which part of the human eye controls the size of the pupil?
Retina
Cornea
Lens
Iris
Optic nerve
Correct answer is D
The iris controls the size of the pupil to regulate the amount of light entering the eye.
What is the main role of the respiratory system?
Transport nutrients
Exchange gases
Filter toxins
Absorb water
Regulate body temperature
Correct answer is B
The respiratory system exchanges oxygen and carbon dioxide in the body.