9th Grade Biology Quizzes , Questions & Answers

Recent Biology Quizzes

This assessment focuses on understanding lipids and triglycerides, evaluating key concepts such as the structure of triglycerides, the differences between saturated and unsaturated fats, and the role of hydrogenation. It's a...

Questions: 8 | Attempts: 10 | Last updated: Oct 28, 2026

Sample Question
A triglyceride is made of one glycerol and three fatty acid chains.

True

False

Lipids and Proteins Biology Quiz

This assessment focuses on essential concepts related to lipids and proteins, including the types of fats, their structures, and their biological significance. Understanding these topics is crucial for students studying biology,...

Questions: 8 | Attempts: 10 | Last updated: Oct 28, 2026

Sample Question
What type of bond is found in polyunsaturated fats?

Single bonds only

Double or triple bonds

Ionic bonds

Hydrogen bonds

Photosynthesis and Cellular Respiration Review

This assessment focuses on photosynthesis and cellular respiration, evaluating key concepts such as energy conversion, pigment functions, and metabolic pathways. Understanding these processes is essential for grasping how living...

Questions: 30 | Attempts: 10 | Last updated: Oct 27, 2026

Sample Question
Photosynthetic organisms get their energy from:

Inorganic substances

Autotrophs

Heterotrophs

Light

Cellular Organelles Functions and Classification

This assessment focuses on cellular organelles, their functions, and classifications. It evaluates your understanding of key structures like the nucleus, nucleolus, Golgi apparatus, and ribosomes, which are essential for cellular...

Questions: 25 | Attempts: 11 | Last updated: Oct 26, 2026

Sample Question
What is the primary function of the Nucleus in a cell?

Produces proteins for the cell

Controls and directs cell activities by housing DNA

Packages and ships proteins

Provides energy for the cell

Macromolecules and Chemical Reactions

This assessment focuses on macromolecules and chemical reactions, evaluating your understanding of key concepts such as monomers, polymers, and enzyme functions. It explores the roles of carbohydrates, lipids, proteins, and...

Questions: 30 | Attempts: 10 | Last updated: Oct 25, 2026

Sample Question
What is a monomer?

A large molecule formed by polymerization

A small chemical unit that makes up a polymer

A protein catalyst that speeds up reactions

A molecule composed of many subunits

Root Word List 5 Biology Vocabulary

This assessment focuses on key biological root words and their meanings. It evaluates your understanding of terms like 'ase' for enzyme and 'thesis' for to place. Mastering these roots enhances your biology vocabulary, making it...

Questions: 8 | Attempts: 10 | Last updated: Oct 23, 2026

Sample Question
What does the root 'ase' mean?

Enzyme

Fear

Sleep

Leaf

Biological Macromolecules and Organic Chemistry

This assessment focuses on biological macromolecules and organic chemistry, evaluating knowledge of protein, carbohydrate, lipid, and nucleic acid structures and functions. It covers key concepts such as monomers, chemical...

Questions: 30 | Attempts: 10 | Last updated: Oct 23, 2026

Sample Question
What is the monomer of proteins?

Glucose

Amino acid

Fatty acid

Nucleotide

From DNA to Proteins: Genetic Material Discovery

This assessment focuses on the discovery of genetic material, exploring key experiments by Griffith, Avery, Hershey, and Chase. It evaluates your understanding of DNA structure and function, as well as the principles of...

Questions: 8 | Attempts: 10 | Last updated: Oct 21, 2026

Sample Question
What did Griffith discover in his 1928 experiment with pneumonia-causing bacteria?

DNA is a double helix

Genetic material can be transferred between bacteria through transformation

Proteins are the genetic material

Viruses can infect bacteria

Central Dogma, Mutations & Biodiversity

This assessment focuses on the central dogma, mutations, and biodiversity. It evaluates understanding of DNA, RNA, proteins, and their roles in genetics. Learners will grasp key processes like transcription and translation, as...

Questions: 30 | Attempts: 10 | Last updated: Oct 21, 2026

Sample Question
What is the correct order of information flow in the central dogma of molecular biology?

RNA → DNA → Protein

DNA → RNA → Protein

Protein → RNA → DNA

DNA → Protein → RNA

Biology: Macromolecules & Cell Processes

This assessment focuses on key concepts related to macromolecules and cellular processes. It evaluates understanding of monomers, polymers, respiration types, photosynthesis, and enzyme functions. This knowledge is essential for...

Questions: 8 | Attempts: 10 | Last updated: Oct 20, 2026

Sample Question
Which of the following correctly describes the relationship between monomers and polymers in biological macromolecules?

Polymers are broken down by hydrolysis to form monomers, while monomers are joined by dehydration synthesis to form polymers

Monomers are large molecules made of repeating polymer units joined by ionic bonds

Polymers are single units that combine with catalysts to form monomers through condensation

Monomers and polymers are interchangeable terms for the same biological structures

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