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12th Grade Biochemistry Quizzes, Questions & Answers

Recent Biochemistry Quizzes

Test On The Fundamentals Of Biochemistry

Questions: 40 | Attempts: 7512 | Last updated: Oct 1, 2025

Sample Question
What is the function of a Carboydrate?

Stores energy and provides structural support

Stores energy and provides barriers such as skin which is waterproof

Transports substances, speeds reactions, provides structural support, and makes hormones

Carries the genetic materical of an organism

Chapter 2 Section 4 Review

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 Chapter 3 Test Part 2

Questions: 11 | Attempts: 388 | Last updated: Mar 19, 2025

Sample Question
Saturated fatty acids and unsaturated fatty acids differ in

The number of double bonds present.

Their consistency at room temperature.

The number of hydrogen atoms present.

All of these are correct.

A.P. Biology Chapter 4 (Carbon Chemistry)

Questions: 30 | Attempts: 4650 | 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)

Questions: 35 | Attempts: 7099 | 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

Quiz 2 - Leaving CERT Biology

Questions: 15 | Attempts: 3800 | Last updated: Mar 21, 2025

Sample Question
A triglyceride, found in lipids, is composed of... (Choose 2)

Glycerol

Trace Elements

Phosphate Group

1 Fatty Acid

3 Fatty Acids

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

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

Take The Hardest Chemistry Practice Test! Quiz

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

Questions: 13 | Attempts: 1754 | 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

Questions: 4 | Attempts: 567 | 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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