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- Biology
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  - Botany Plant Biology
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  - Zoology Animal Biology
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    - Arthropoda 12
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    - Fish 76
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    - Birds 5
    - Mammals 106
    - Anatomy 36
    - Physiology 40
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    - 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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  - Molecular Biology
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    - Bio Metabolism 60
    - Cellular Respiration 22
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- Earth & Space Science
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Exams & Certifications

Biology Quizzes, Questions & Answers

Recent Biology Quizzes

This assessment explores the history of DNA structure discovery, evaluating knowledge on key experiments and findings. Topics include the roles of nuclein, nucleotides, and pivotal experiments by scientists like Griffith,...

Questions: 30 | Attempts: 12 | Last updated: Jun 17, 2026

Sample Question
Who first isolated and named the substance 'nuclein' from the nuclei of white blood cells in 1869?

Phoebus Levene

Johann Miescher

Frederick Griffith

Edwin Chargaff

Biology: Diversity, Genetics, Evolution & Body Systems

This assessment focuses on key concepts in biology, including taxonomy, genetics, evolution, and body systems. It evaluates your understanding of species classification, genetic inheritance, and the mechanisms of natural...

Questions: 30 | Attempts: 11 | Last updated: Jun 16, 2026

Sample Question
What is the correct order of taxonomic classification from broadest to most specific?

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Kingdom, Domain, Class, Phylum, Order, Family, Genus, Species

Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain

Domain, Phylum, Kingdom, Class, Family, Order, Genus, Species

Biology Exam Review: Biochemistry & Cell Processes

This assessment focuses on key concepts in biochemistry and cell processes, evaluating your understanding of glycolysis, DNA replication, and metabolic pathways. It is a valuable resource for reinforcing knowledge of cellular...

Questions: 25 | Attempts: 12 | Last updated: Jun 16, 2026

Sample Question
Which of the following molecules CANNOT pass through the phospholipid bilayer without a protein channel?

O₂

CO₂

Na⁺ ions

Small nonpolar lipids

Enzymes Structure Function and Regulation

This assessment focuses on the structure, function, and regulation of enzymes. Key concepts include enzyme-substrate interactions, the role of active and allosteric sites, and the impact of inhibitors on enzyme activity....

Questions: 30 | Attempts: 14 | Last updated: Jun 16, 2026

Sample Question
Which of the following best describes the relationship between enzymes and proteins?

All proteins are enzymes and all enzymes are proteins

All enzymes are proteins but not all proteins are enzymes

No enzymes are proteins

All proteins are enzymes but not all enzymes are proteins

Human Anatomy & Physiology Foundational Terms

This assessment focuses on foundational terms in human anatomy and physiology. It evaluates your understanding of essential concepts such as anatomical planes, body cavities, and homeostasis. This knowledge is crucial for anyone...

Questions: 15 | Attempts: 12 | Last updated: Jun 16, 2026

Sample Question
Which anatomical plane divides the body into equal left and right halves?

Frontal plane

Midsagittal plane

Transverse plane

Parasagittal plane

Isomers, Macromolecules & Biochemistry

This assessment focuses on isomers, macromolecules, and key biochemical concepts. It evaluates your understanding of chiral carbons, glycosidic bonds, and protein structures, which are essential for grasping biochemistry....

Questions: 31 | Attempts: 12 | Last updated: Jun 16, 2026

Sample Question
Which type of isomer involves molecules that are non-superimposable mirror images of each other?

Structural isomer

Geometric isomer

Enantiomer

Cis-isomer

Genes and Heredity Vocabulary Review Quiz

This quiz focuses on key concepts in genes and heredity, covering topics like chromosome numbers, meiosis, and inheritance patterns. It evaluates understanding of essential vocabulary and principles in genetics, making it a...

Questions: 10 | Attempts: 11 | Last updated: May 22, 2026

Sample Question
What is the diploid number of chromosomes in humans?

A. 23

B. 46

C. 92

D. 36

Understanding Living Things and Their Characteristics

This assessment focuses on understanding living things and their essential characteristics. It evaluates your knowledge of cells, homeostasis, reproduction, and the basic needs of organisms. This knowledge is crucial for anyone...

Questions: 9 | Attempts: 13 | Last updated: May 21, 2026

Sample Question
What is the basic unit of all living things?

Organism

Cell

Tissue

Organ

Understanding Homeostasis and the Endocrine System

This assessment evaluates your understanding of homeostasis and the endocrine system, focusing on key concepts like feedback mechanisms and hormone functions. It is relevant for grasping how the body maintains internal stability...

Questions: 32 | Attempts: 12 | Last updated: May 21, 2026

Sample Question
What is homeostasis?

A process of maintaining constant internal conditions

A method of energy production

A type of cellular respiration

A form of external adaptation

Mateo Stevenson Biology Final Review Quiz

This review focuses on key concepts in cell biology, including mitosis, genetic mutations, and the role of RNA in protein synthesis. It evaluates understanding of chromosome behavior, genetic disorders, and biotechnology...

Questions: 26 | Attempts: 12 | Last updated: May 21, 2026

Sample Question
What happens during metaphase, and why is it important?

DNA is copied to prepare for division

Chromosomes line up in the middle so each daughter cell gets identical chromosomes

The cell membrane splits into two cells

Proteins are made by ribosomes

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