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- Biology
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  - Genetics
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    - Immune System 11
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  - Botany Plant Biology
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    - Photosynthesis 53
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    - Plant Taxonomy 43
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  - Zoology Animal Biology
    - Classification 38
    - Porifera 6
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    - Platyhelminthes 5
    - Nematoda 6
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    - Arthropoda 12
    - Mollusca 5
    - Echinodermata 6
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    - Fish 76
    - Amphibians 10
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    - Birds 5
    - Mammals 106
    - Anatomy 36
    - Physiology 40
    - Reproduction 26
    - Development 6
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  - Microbiology
    - Microbial Structure 5
    - Bacteriology 33
    - Virology 34
    - Mycology 16
    - Parasitology 59
    - Microbial Genetics 5
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  - Biotechnology
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    - Bioinformatics 6
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  - Molecular Biology
    - Biological Biomolecules 8
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    - Bio Nucleic Acids 5
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    - Bio Metabolism 60
    - Cellular Respiration 22
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  - Developmental Biology
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- Earth & Space Science
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Exams & Certifications

Biology Quizzes, Questions & Answers

Recent Biology Quizzes

This Level 10 Listening quiz focuses on human biology, exploring the presence of mites, the role of bacteria, and the vast number of cells in the human body.

Questions: 16 | Attempts: 187 | Last updated: Mar 20, 2025

Sample Question
Only about one-tenth of the cells in your body are ...

Alive

Really you

Bacteria

Neuron Quiz Spr20 Covid19

Explore the structure and function of neurons in this focused quiz. Topics include parts of neurons, their roles, and the direction of neural impulses.

Questions: 24 | Attempts: 157 | Last updated: Aug 16, 2025

Sample Question
This part of the neuron receives chemical messages from the neurotransmitters of other neurons.

Axon

Dendrite

Myelin Sheath

Cell body

The Next Step In Brain Evolution

Read the article again and for questions 1–6, choose the answer (A, B, C or D) which you think fits best according to the article.

Questions: 6 | Attempts: 1514 | Last updated: Aug 21, 2025

Sample Question
Why are the first three paragraphs of the article devoted to Emily Feld?

She is particularly interested in technology.

She is a typical university student.

She is a representative of people of her age.

She is studying the effects of digital technology on students.

Biological Organization Of Living Things Quiz

The biological organization of living things is the hierarchy of complex biological structures and systems that define life together. These include organelle, cells, tissues, organs, organ systems, etc. What do you know about...

Questions: 10 | Attempts: 5266 | Last updated: Mar 21, 2025

Sample Question
All of your bones and joints (plus cartilage, tendons and ligaments) working together to allow you to move are considered...

An organ system

An organ

A cell

Tissue

Chapter 11: Nervous System and Action Potentials

Explore the fundamentals of the nervous system and action potentials in Chapter 11. This quiz covers key topics such as ion concentration, membrane potentials, glial cells, neurotransmitters, and channel states, essential for...

Questions: 15 | Attempts: 1299 | Last updated: Sep 10, 2025

Sample Question
Concerning concentration differences across the plasma membrane (at rest), there is

More K+ and Na+ outside the cell than inside

More K+ and Na+ inside the cell than outside

More K+ outside the cell than inside and more Na+ inside the cell than outside

More K+ inside the cell than outside and more Na+ outside the cell than inside.

Scientific Investigation Quiz: MCQ!

Dive into the Scientific Investigation Quiz: MCQ! This quiz tests your understanding of key scientific processes such as observation, hypothesis formulation, conclusion drawing, and result communication. Perfect for enhancing...

Questions: 8 | Attempts: 1771 | Last updated: Jul 24, 2026

Sample Question
What skill is a scientist using when she listens to the sounds that whales make?

Making observations

Interpreting data

Drawing conclusions

Making a hypothesis

10c - Organization Of Systems

From STARR tests 2013-2019 B.10(C) analyze the levels of organization in biological systems and relate the levels to each other and to the whole system

Questions: 8 | Attempts: 149 | Last updated: Jan 22, 2025

Sample Question
The human body is composed of organ systems. Which list represents a system organized from least to most complex?

Heart - cardiac muscle - muscle tissue - muscle cell

Lung tissue - trachea - nostrils - circulatory system

Muscle cell - muscle tissue - biceps muscle - muscular system

Integumentary system - skin cell - hair - sweat glands

Nc Team ( Meal Planning )

This NC TEAM quiz focuses on meal planning, emphasizing the MyPyramid guidelines including food groups, physical activity, and dietary moderation.

Questions: 55 | Attempts: 389 | Last updated: Mar 21, 2025

Sample Question
is represented by the steps and the person climbing them as a reminder of the importance of daily physical Acivity of which properties they represented in my pyramid

Acivity

Varity

Moderation

None of the above

Take This Sugar Quiz And Test Your Sugar IQ Level

How much do you know about sugars? Take this sugar quiz and test your sugar IQ level. Also, you'd be able to check your knowledge regarding sugar facts and myths. Does higher sugar intake increase your risk of fatty liver...

Questions: 11 | Attempts: 675 | Last updated: Aug 18, 2025

Sample Question
Sugar is a form of Carbohydrates.

True

False

Homeostasis Quiz: Human Body System Questions

Homeostasis quiz: Human body system questions. Homeostasis is basically the body’s ability to maintain its internal processes taking into account what is happening in the environment that a living thing exists. The main...

Questions: 15 | Attempts: 20356 | Last updated: Oct 8, 2025

Sample Question
If the environment gets cold, we will often shiver in order to:

Lower the body temperature

Get frost bite

Increase body temperature

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