AP - Advanced Placement Biology Trivia 1 — Questions and Answers
Question 1: How many bones are in the adult human body?
- 206 (Correct answer)
- 212
- 198
- 224
Correct answer: 206
The adult human skeleton contains 206 bones. Babies are born with around 270–300 bones, many of which fuse together during childhood and adolescence.
Question 2: Which organ produces insulin in the human body?
- Liver
- Kidney
- Pancreas (Correct answer)
- Adrenal gland
Correct answer: Pancreas
The pancreas produces insulin through specialized cells called beta cells in the islets of Langerhans. Insulin regulates blood glucose levels.
Question 3: What is the powerhouse of the cell?
- Nucleus
- Ribosome
- Mitochondria (Correct answer)
- Golgi apparatus
Correct answer: Mitochondria
Mitochondria generate most of the cell's ATP through cellular respiration, earning the nickname 'powerhouse of the cell.'
Question 4: Which molecule carries oxygen in red blood cells?
- Albumin
- Hemoglobin (Correct answer)
- Fibrinogen
- Myosin
Correct answer: Hemoglobin
Hemoglobin is the iron-containing protein in red blood cells that binds to oxygen in the lungs and transports it to tissues throughout the body.
Question 5: What is the basic unit of heredity?
- Cell
- Chromosome
- Gene (Correct answer)
- Nucleotide
Correct answer: Gene
A gene is the basic unit of heredity — a specific sequence of DNA that encodes instructions for building a protein or regulating biological functions.
Question 6: Which part of the brain controls balance and coordination?
- Cerebrum
- Cerebellum (Correct answer)
- Medulla oblongata
- Hypothalamus
Correct answer: Cerebellum
The cerebellum, located at the back of the brain, coordinates voluntary movements, balance, and fine motor control.
How many bones are in the adult human body?