Biology Quizzes & Trivia

Whether you’re brushing up for a school exam or just looking to test your knowledge, take our online biology quizzes that will pique your interest and sharpen your wits.
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This quiz will show you how well you comprehend transcription and translation of DNA in Eukaryotes and Prokaryotes. This material is from "Biological Science" by Scott Freeman and is the material taught in college-level...

Questions: 9  |  Attempts: 43553   |  Last updated: Oct 6, 2020
  • Sample Question
    A Cell builds it's proteins from the Instructions encoded in its _________?

Do you want to test your genetic knowledge? This quiz is based on a pedigree diagram that represents biological relationships between an organism and its ancestors. Let's play this quiz and prove yourself!  

Questions: 28  |  Attempts: 10153   |  Last updated: Jan 19, 2021
  • Sample Question
    II-3 in the pedigree below has two brothers with hemophilia A, a bleeding disorder that is inherited as an X‑linked recessive trait. What is the risk of hemophilia for her children?  

The study of biology is what gives us our knowledge of life in the world around us from a scientific standpoint. It allows us to know more about ourselves and what we are comprised of, what the functions of our components are,...

Questions: 10  |  Attempts: 11046   |  Last updated: Mar 30, 2020
  • Sample Question
    What is one role of the element phosphorus?

In the following quiz, we’re going to be learning all about the technological advancement that allows us to analyze the physical and chemical characteristics of particles in a fluid while it passes through a laser –...

Questions: 13  |  Attempts: 4682   |  Last updated: Oct 14, 2020
  • Sample Question
    What do you have to adjust to make sure the emission of fluorescence from a single fluorophore does not bleed into multiple channels?

Questions: 11  |  Attempts: 6502   |  Last updated: Dec 13, 2019
  • Sample Question
    Living things respond to their __________________.

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Biology Questions & Answers

What does plant cell consist of?
There are different parts of the plant cell, with each part performing different functions. The various parts of a plant cell include cell wall, cell membrane, ribosomes, nucleus, Golgi apparatus, mitochondria, lysosomes, chloroplasts, etc. A ribosom
Why are food chains limited to 4-5 tropic levels?
Energy losses between trophic levels restrict the length of food chains and the biomass of higher trophic levels, energy losses, restrict the length of food chains, restrict length food chains, restrict biomass of higher trophic levels, biomass of tr
What takes up 50-70 percent of a whales weight?
The part of a whale that takes up to 50-70 percent of its actual weight is "Blubber." It is a fatty layer of adipose tissue that is found immediately beneath the skin of most marine mammals. Although blubber covers almost all the entire par
How can Messenger RNA (mRNA) be best described?
Messenger RNA or mRNA, a type of RNA, is a single-stranded RNA molecule that corresponds to one of the DNA strands of the gene. When this genetic information is read by a ribosome, it moves the cytoplasm to the point where proteins are made. During
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