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  - Polymer Chemistry
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  - Theoretical Chemistry
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    - Spectroscopy Theory 5
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  - Green Chemistry
    - Sustainable Design 4
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  - Materials Chemistry
    - Crystal Structure 6
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- Biology
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    - Cell Division 32
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  - Genetics
    - DNA Structure 5
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    - Genetic Disorders 7
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  - Evolution
    - Origin of Life 9
    - Theories of Evolution 5
    - Natural Selection 6
    - Variation 5
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    - Speciation 5
    - Fossil Record 5
    - Comparative Anatomy 12
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    - Human Evolution 5
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  - Ecology
    - Ecosystem 36
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    - Population Ecology 12
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    - Food Chains 16
    - Food Webs 5
    - Ecological Energy Flow 5
    - Nutrient Cycles 13
    - Biodiversity 28
    - Ecological Conservation 47
    - Habitat 5
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  - Human Anatomy & Physiology
    - Skeletal System 117
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    - Nervous System 124
    - Endocrine System 78
    - Circulatory System 90
    - Respiratory System 44
    - Digestive System 47
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    - Immune System 11
    - Integumentary System 21
    - Sensory Organs 56
  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
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    - Photosynthesis 53
    - Plant Reproduction 22
    - Plant Growth 5
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    - Plant Taxonomy 43
    - Plant Ecology 19
    - Plant Pathology 6
    - Economic Botany 5
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    - Plant Genetics 6
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  - Zoology Animal Biology
    - Classification 38
    - Porifera 6
    - Cnidaria 6
    - Platyhelminthes 5
    - Nematoda 6
    - Annelida 7
    - Arthropoda 12
    - Mollusca 5
    - Echinodermata 6
    - Chordata 5
    - Fish 76
    - Amphibians 10
    - Reptiles 14
    - Birds 5
    - Mammals 106
    - Anatomy 2
    - Physiology 27
    - Reproduction 26
    - Development 6
    - Behavior 63
  - Microbiology
    - Microbial Structure 5
    - Bacteriology 33
    - Virology 34
    - Mycology 16
    - Parasitology 59
    - Microbial Genetics 5
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    - Microbial Ecology 11
    - Pathogenic Microbiology 18
    - Microbial Biotechnology 5
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  - Biotechnology
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    - Bioinformatics 6
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  - Molecular Biology
    - Biological Biomolecules 8
    - Carbohydrates 6
    - Biochemical Lipids 9
    - Bio Proteins 5
    - Bio Enzymes 21
    - Bio Nucleic Acids 5
    - Biochemical Vitamins 5
    - Bio Minerals 6
    - Bio Metabolism 60
    - Cellular Respiration 22
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  - Immunology
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  - Developmental Biology
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- Earth & Space Science
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Exams & Certifications

12th Grade Biology Quizzes, Questions & Answers

Recent Biology Quizzes

Eoi Review For Pre-AP Biology

Questions: 22 | Attempts: 132 | Last updated: May 8, 2025

Sample Question
If you see the symbol of a skull and crossbones on a bottle in a laboratory experiment, you are being advised that you are

Not to touch an electrical outlet with wet hands

Working with chemicals that could be hazardous

To notify your teacher if you taste a poisonous chemical

Not to work with animals of any kind

A&p Self Quiz Chapter 1 - Intro To The Human Body

Questions: 15 | Attempts: 937 | Last updated: Jan 22, 2025

Sample Question
In a positive feedback system, the response enhances or intensifies the original stimulus.

True

False

Can You Pass This High School Biology Quiz?

Questions: 20 | Attempts: 13058 | Last updated: Jul 4, 2025

Sample Question
Which branch of biology deals with the study of insects?

Ornithology

Botany

Entomology

Phycology

Brain Bee Challenge: Round V

Questions: 10 | Attempts: 7376 | Last updated: Mar 21, 2025

Sample Question
What do you call programmed cell death induced by specialized biochemical pathways?

Necrosis

Apoptosis

Mitochondrial starvation

IB Biology Practice Test Quiz

Questions: 40 | Attempts: 1580 | Last updated: Mar 22, 2025

Sample Question
The lengths of a sample of tiger canines were measured. 68 % of the lengths fell within a range between 15 mm and 45 mm. The mean was 30 mm. What is the standard deviation of this sample?

5 mm

15 mm

7.5 mm

30 mm

Brain Bee Challenge: Round IV

Questions: 10 | Attempts: 5540 | 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

Bio Exam Quiz #11

Questions: 23 | Attempts: 185 | Last updated: Mar 22, 2025

Sample Question
What are the functions of the Midbrain?

Coordinate visual & audio reflexes, maintain consciousness, direct motor patterns at subconscious level

Relay sensory info to other areas of brain stem or thalamus, regulate autonomic function

Plays role in regulation of heart rate, flight or fight, and linking emotions to specific memories

Campbell Biology: Themes In The Study Of Life

Questions: 13 | Attempts: 1931 | Last updated: Mar 21, 2025

Sample Question
Prokaryotic and eukaryotic cells generally have which of the following features in common?

A membrane-bounded nucleus

A cell wall

Ribosomes

Linear chromosomes made of DNA and protein

Unit IV: Neuron Classification, Reflexes & Vision

Questions: 20 | Attempts: 301 | Last updated: Mar 20, 2025

Sample Question
The correct sequence of a reflex arc is as follows: receptor>>sensory neuron>>integration center/control center>>motor neuron>>effector organ

True

False

Biology I Final Exam (Practice)

Questions: 90 | Attempts: 3425 | Last updated: Mar 21, 2025

Sample Question
Which sequence correctly lists the different levels of biological organization?

A. cells -> organs -> tissues -> organ system -> organism

B. cells -> tissues -> organ system -> organs -> organism

C. tissues -> cells -> organ -> organ system -> organism

D. tissues -> organs -> organ system -> organisms -> cells

E. cells -> tissues -> organs -> organ system -> organism

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