Science · 90+ questions
Biology Quiz: 1v1 Life Science Matches
Examine the mechanics of living organisms in this biology quiz. The scope spans cellular biology, genetics, evolutionary theory, ecology, and the human body. Prompts test fundamental cellular pathways like respiration and photosynthesis alongside the molecular mechanisms of DNA replication and protein synthesis. You explore inheritance patterns, gene mutations, and the selective forces that drive adaptation across populations. Other prompts address ecological hierarchies, trophic pyramids, and the complex physiological systems that keep the human body functioning.
Each 1v1 duel presents 7 multiple-choice questions selected from a pool of 90+, giving you 10 seconds to solve each prompt. You are matched with a real player, competing live or against a ghost of a real player's earlier run. Precise recall matters, but swift identification of anatomical terms, cellular processes, and genetic vocabulary is equally vital under clock pressure. A double-value 7th question can swing a close duel in the final seconds.
Branch into The Human Body to examine organ systems and skeletal anatomy in greater depth, or consult Chemistry & the Periodic Table to analyze the molecular compounds that fuel biochemical pathways. The overall difficulty mix features about 40% easy, 40% medium and 20% hard questions, ensuring these biology trivia questions balance core classroom biology trivia with demanding scientific concepts.
Sample Biology questions
5 questions from the Biology pool. In a duel you get 7 of them, with 10 seconds each.
- Question 1Easy
Which organelle is known as the powerhouse of the cell?
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Answer: Mitochondrion. Mitochondria generate most of the chemical energy needed to power the cell's biochemical reactions.
- Question 2Easy
What is the smallest bone in the human body?
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Answer: Stapes. The stapes, located in the middle ear, is the smallest bone in the human skeleton.
- Question 3Medium
In evolution, what term describes structures that share an ancestry but have different functions?
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Answer: Homologous. Homologous structures share an evolutionary origin despite differing functions.
- Question 4Medium
Which human endocrine gland secretes calcitonin?
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Answer: Thyroid. Calcitonin is produced by the parafollicular cells of the thyroid gland.
- Question 5Hard
What type of mutation causes an amino acid substitution in a translated protein?
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Answer: Missense mutation. A missense mutation changes a single nucleotide codon so it encodes a different amino acid.
Biology quiz questions and answers
How many questions are in the biology quiz?
The quiz contains more than 90 questions, presenting 7 randomized questions per duel.
What topics does the biology quiz cover?
Questions focus on cell structures, genetics and DNA, evolutionary principles, ecological systems, and human anatomy and physiology.
How hard is the biology quiz?
The difficulty is distributed as about 40% easy, 40% medium, and 20% hard, combining general life science facts with complex biological mechanisms.
Can I challenge friends to a biology match?
Once signed in with a free account, you can send a challenge link to a friend after a duel so they play the exact same questions against your run.
Is there a progression system in the quiz?
Every finished duel earns XP toward your topic level and overall level, and each topic has a weekly leaderboard.
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