Biology Fact or Fiction General Knowledge Quiz Questions with Answers


Biology Fact or Fiction General Knowledge Quiz Questions with Answers


Biology Quiz - Biology Fact or Fiction True or False Quiz Questions with Answers


Human Body: Fact or Fiction Biology Quiz

How deep is your body of knowledge about the inner workings of humans? Test it with this quiz.


1. Humans can see most kinds of light.
Fact or Fiction.


2. The adult human body has 214 bones.
Fact or Fiction.


3. The lymphatic system helps fight disease.
Fact or Fiction.


4. There are 17 bones in the auditory ossicles.
Fact or Fiction.


5. The stomach absorbs most of the nutrients in the food we eat.
Fact or Fiction.


6. The femur is the longest bone in the human body.
Fact or Fiction.


7. The human appendix is attached to the heart.
Fact or Fiction.


8. Humans have two sets of teeth in their lives.
Fact or Fiction.


9. The wall of the human stomach is made up of four layers.
Fact or Fiction.


10. A typical adult human head weighs 20 kilograms.
Fact or Fiction.


11. People choose to be left-handed or right-handed.
Fact or Fiction.


12. Human skin cells divide only once.
Fact or Fiction.


13. The human body contains about 1 million neurons.
Fact or Fiction.


14. Humans and apes share only a small number of genes.
Fact or Fiction.


15. The fluid in the lympathic system is pumped by the heart.
Fact or Fiction.


16. Human nerves cannot be reconnected if they are severed.
Fact or Fiction.


17. Sitting on “pins and needles” involves the nerves.
Fact or Fiction.




1. Fiction.
The human eye can see visible light, only a small part of the electromagnetic spectrum. This spectrum also includes radio waves, microwaves, infrared and ultraviolet light, X-rays, and gamma rays, which humans cannot see.


2. Fiction.
Adult humans have 206 bones.


3. Fact.
The lymphatic system is part of the body’s defense system. It removes bacteria from tissues and produces lymphocytes, or white blood cells, macrophages, and antibodies.


4. Fiction.
The auditory ossicles are three small bones in the ear that are connected to each other, and that enable us to hear.


5. Fiction.
The stomach does not absorb much at all of the food, water, and electrolytes that pass through it, though it does absorb some substances, including iron, alcohol, and some drugs.


6. Fact.
The longest and strongest bone in the human body is the femur.


7. Fiction.
The appendix is attached to the large intestine.


8. Fact.
Humans have two sets of teeth during their lives. The first consists of 20 teeth. These are called primary teeth. Then 28 permanent teeth replace them, along with four molars commonly called wisdom teeth.


9. Fact.
The wall of the stomach is composed of four layers: the mucosa, submucosa, muscularis, and serosa.


10. Fiction.
A typical adult human head weighs about 5 kilograms. The brain accounts for about 1-1.5 kilograms.


11. Fiction.
We are born with genes programmed for handedness. About 90 percent of people are right-handed. A very small number of people are ambidextrous—that is, they can use both hands equally.


12. Fiction.
Human skin cells divide between 50 and 70 times.


13. Fiction.
Nerve cells, or neurons, are the basic units of the nervous system. The human body contains billions of neurons. The brain alone contains some 100 billion neurons.


14. Fiction.
More than 98 percent of human DNA is identical to that of chimpanzees, gorillas, and other apes. The remaining quantity contains what distinguishes us.


15. Fiction.
The heart pumps blood. Lympathic fluid is pumped by a process called peristalsis, the contraction of muscles around the lymphatic vessels.


16. Fiction.
Some nerves, such as optic and spinal-cord nerves, are so specialized that they have very limited powers of regeneration. But other nerves can be easily reconnected and even regain feeling.


17. Fact.
The sensation that we’re being pricked by pins and needles is a phenomenon called paresthesia. This is commonly caused by compressed nerves that run between the bones and the skin.


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