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10th Grade Biochemistry Quizzes, Questions & Answers

Recent Biochemistry Quizzes

Biology 9. Elements, Water and Carbohydrates

Instructions: You are given 30 minutes to answer this test. You are given 2 attempts to improve your score.

Questions: 36 | Attempts: 571 | Last updated: Sep 1, 2025

Sample Question
Which of the following is the most abundant element in living things?

Carbon

Hydrogen

Oxygen

Nitrogen

Phosphorus

The following questions refer to section 4 of chapter 2 (chemical reactions and enzymes). The majority of the exam will be from this section of the chapter.

Questions: 8 | Attempts: 416 | Last updated: Mar 21, 2025

Sample Question
In humans, carbon dioxide and water quickly combine to form carbonic acid in the presence of a particular enzyme. Most likely, this same enzyme

Helps in the breakdown of acidic foods in the stomach

Is not involved in other types of reactions because enzymes are specific

Is involved in other reactions where temperature and pH are the same

Helps in the synthesis of sugars during photosynthesis

Biology Test 2 Part 1

BIology Test 2 Part 1 explores fundamental chemistry concepts crucial for understanding biological processes. It covers atomic structure, elements essential for life, isotopes, and properties of subatomic particles. Ideal for...

Questions: 14 | Attempts: 191 | Last updated: Mar 21, 2025

Sample Question
CHNOPS are

The only atoms found in nonliving and living things

The only atoms found in living things.

Atoms basic to life.

Atoms found in rocks.

The only atoms found in nonliving and living things,as well as atoms basic to life.

A.P. Biology Chapter 4 (Carbon Chemistry)

This quiz is to test your knowledge on Chapter 4 of A.P. Biology. Chapter 4 will be included on Test #1, which will include Chapters 1-4. As such, you should also take the quizzes on Chapters 1-3 if you are studying for the test....

Questions: 30 | Attempts: 4649 | Last updated: Sep 6, 2025

Sample Question
What does it mean if a substance is organic?

The substance contains oxygen

The substance contains carbon

The substance is dead

The substance is living

A.P. Biology Chapter 2 (Chemistry Review)

This quiz is to test your knowledge on Chapter 2 of A.P. Biology. Chapter 2 will be on Test #1, which fill feature Chapters 1-4. As such, it is suggested that you also take the quizzes for Chapters 1, 3, and 4 if you are using...

Questions: 35 | Attempts: 7098 | Last updated: Mar 21, 2025

Sample Question
What are elements?

The simplest category of matter

The result of combining 2 compounds

Components which make up an atom

None of the above

If You Pass This Biology Test, You Are A Legit Biology Enthusiast!

Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution. Despite the...

Questions: 45 | Attempts: 1606 | Last updated: Mar 20, 2025

Sample Question
Organic compounds contain

Carbon and usually other elements

Many kinds of elements except carbon

Only carbon

Only carbon and hydrogen

Chapter 7 & 8 Biology

This quiz, titled 'Chapter 7 & 8 Biology', assesses knowledge on atomic structure, isotopes, chemical bonds, compounds, and the properties of acids. It is designed to enhance understanding of fundamental chemistry concepts within...

Questions: 15 | Attempts: 186 | Last updated: Aug 20, 2025

Sample Question
Center of an atom:

Nucleus

Enzyme

Nucleolus

Take The Hardest Chemistry Practice Test! Quiz

Challenge your understanding of microbiology with the 'Take The Hardest Chemistry Practice Test! Quiz.' This quiz covers significant topics like nitrogen fixation, the role of primary producers, and the impact of microbes on the...

Questions: 40 | Attempts: 643 | Last updated: Mar 20, 2025

Sample Question
From the assigned reading in Todar’s online book of Bacteriology, microbes impact human lives and the environment in many ways however, the most significant impact of microorganisms on earth is the ability to recycle the primary elements found in all living things. These primary elements are oxygen, as well as _______ and __________.

Sulfur

Nitrogen

Oxygen

Carbon

B and D

Chemical Reactions and Enzymes

Explore the fundamentals of chemical reactions and the role of enzymes in maintaining bodily functions. This quiz covers reactants, homeostasis, enzyme-substrate interactions, and energy dynamics in reactions, essential for...

Questions: 13 | Attempts: 1750 | Last updated: Mar 21, 2025

Sample Question
The element or compounds that that enter into a chemical reaction are...

Reactant

Product

Substrate

Carbohydrates and Proteins

Explore the essentials of biochemistry with this quiz on Carbohydrates and Proteins. Test your knowledge on organic compounds, fatty acids, and the structure of sugars. Ideal for students seeking to deepen their understanding in...

Questions: 4 | Attempts: 554 | Last updated: Mar 20, 2025

Sample Question
Which of the following are unsaturated fatty acids?

Lard, bacon grease

Wax, cholesterol

Olive oil, fish oil

Butter, hydrogenated vegetable oil

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