12th Grade Biology Quizzes, Questions & Answers

12th Grade

Top Trending Biology Quizzes

Biology Leaving CERT Quiz Questions and Answers

Check out our ' biology leaving cert' quiz based on the LC Biology course. The course of Leaving Cert Biology covers everything ranging from cell biology to the Human Body to ecology and plants. So, if you have studied...

Questions: 15 | Attempts: 13710 | Last updated: Feb 8, 2025

Sample Question
What is a prokaryotic cell?

A cell with a nucleus

A cell with mitochondria and ribosomes

A cell without a nucleus

A cell only present in animals

Histology Lab Exam! Toughest Trivia Quiz

The human body is made in different tissues and cells which are tasked with performing various functions. Do you think you know enough about where these tissues are found within the body when asked about them in a diagram? One of...

Questions: 20 | Attempts: 8149 | Last updated: Oct 18, 2025

Sample Question
What is the Type Of This Tissue?

Reticular Connective Tissue

Peripheral Nerve Fiber

Dense Irregular Connective Tissue

Simple Squamous Epithelium

Could You Pass This Hardest Advanced Biology Quiz?

Have you learned basic biology? It is time to check how updated your knowledge is with this advanced biology test. Take this hard biology quiz to find out how updated you are with the biology facts and information. We have...

Questions: 40 | Attempts: 7708 | Last updated: Aug 16, 2025

Sample Question
Some birds are known as honeyguides because they may be followed by humans to wild beehives. When the humans take honey from the hives, the birds are able to feast on the honey and bees, too. This type of relationship can best be described as.

Commensalism

Mutualism

Symbiosis

Parasitism

Neurotransmitters Trivia Quiz Questions!

1. Acetylchlorine (Ach)- Voluntary motor control, memory, regulation of attention, learning, and sleeping 2. Dopamine (DA)- motor behavior, motivation,...

Questions: 24 | Attempts: 9812 | Last updated: May 22, 2025

Sample Question
What is one of the functions of Acetylchlorine?

Memory

Major inhibitory neurotransmitter

Mood

Chemicals that act within pain pathways and emotion centers of the brain

motivation

Brain Bee Challenge: Round IV

For those of you jumping in late in the game, the Brain Bee Challenge is based on questions from live Q&A competitions that test high school students’ knowledge of neuroscience. Regional and national competitions take...

Questions: 10 | Attempts: 5491 | Last updated: Oct 22, 2025

Sample Question
Peripheral nerves from the thoracic region of the spinal cord serve what part of the body?

The trunk

The legs

The head and neck

Popular Biology Quizzes

Neuro Exam Practice Test: Test Your Neurology Knowledge

Preparing for a neurology exam requires strong understanding of key concepts. This neuro exam practice test helps you review important topics and test your knowledge. Through these neurology test questions,...

Questions: 35 | Attempts: 54676 | Last updated: Mar 25, 2026

Sample Question
Observing a patient's behavior and activities is done to assess their ________________.

Attention

Functioning

Reasoning

Orientation

ACE The Biology Eoc Practice Test With This Must-try Quiz Now!

You’re two days away from the final and your notes look like a DNA strand had a panic attack. The diagrams? A blur. The vocabulary? A foreign language. Before you spiral into a mitochondria-induced meltdown, hit pause...

Questions: 15 | Attempts: 27699 | Last updated: Jul 21, 2025

Sample Question
The algae at the beginning of the food chain in the figure are

Consumer

Decomposer

Producers

Consumers (your response) heterotrophs

IGCSE Biology Questions And Answers

Ready to test your understanding of biology? Our IGCSE Biology Questions and Answers Quiz is here to help you prepare for your exams with confidence. This quiz covers all the essential topics required for the IGCSE curriculum,...

Questions: 10 | Attempts: 24122 | Last updated: Jul 17, 2025

Sample Question
What is the function of ribosomes in a cell?

Energy production

Protein synthesis

DNA replication

Waste removal

Preparing For The Biology Exam? Our Ultimate Practice Quiz Can Help!

Biology may be a tough subject to crack, but you’ll be happy you did it once you finally master the scientific study of biology. Take the following quiz on all of the ins and outs of biology to see if you’re ready for...

Questions: 25 | Attempts: 24011 | Last updated: Mar 22, 2025

Sample Question
What does DNA ligase do during DNA replication?

Seals the hydrogen bonds between the 2 strands of DNA.

Breaks the hydrogen bonds between the 2 strand of DNA.

Seals the nicks in the sugar-phosphate bonds of one of the new DNA strands.

Seals the nicks in the sugar-phosphate bonds of one of the old DNA strands.

Test Your Neuroscience Know-how

Are you smarter than a Brain Bee contestant? The following 10 questions were used in high school Brain Bee competitions (live Q&A competitions that test neuroscience knowledge). These competitions can span several rounds, but...

Questions: 10 | Attempts: 21373 | Last updated: Apr 13, 2025

Sample Question
To the closest pound, how heavy is the average adult brain?

Three pounds

Two pounds

One pound

Advanced Biological Science Quiz: Master The Concepts Of Biology

Take this comprehensive biological science quiz to test your knowledge of various biology topics, from cells to ecosystems. This quiz includes a range of questions on topics such as genetics, evolution, anatomy, and...

Questions: 100 | Attempts: 20157 | Last updated: Oct 17, 2025

Sample Question
Which of the following is not a characteristic of life?

Respiration

Excretion

Growth

Responsiveness

Decomposition

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