Home > Logic 101 > Quizzes > Logic 101 Practice Test: Informal Fallacies
Logic 101 Practice Test: Informal Fallacies
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 28% • Most missed: “Every ingredient in this new drink concoction is highly alcoholic. Therefore, th…”
An informal fallacy is a defect in the content of an argument, rather than the form. To identify an informal fallacy, you need to pay attention to the meaning of the content.  Here are some examples of informal fallacies: False dilemma: A false dilemma is when something is falsely claimed to be an "either/or" situation, when in fact there is at least one additional option. Slippery slope: The slippery slope fallacy suggests that an action will trigger a chain of events and culminate in a subsequent unwanted event. Appeal to ignorance: An appeal to ignorance is when an argument is taken as... Show more
Logic 101 Practice Test: Informal Fallacies
Time left 00:00
25 Questions

1. In a random sample of 200 students from Northern State University, 150 said that they own an iPod. Therefore, probably at least 50% of the students at Northern State own an iPod.
2. Nobody has ever seen Paul Carson go to church or participate in any religious activity. Therefore, probably Paul has no formal religious beliefs.
3. Your little Tommy wants a slingshot for his birthday, but you shouldn't give him one. If you do, next he'll want a B-B gun. Then a 22 rifle. After that it will be a high powered rifle, and then an Uzi and an AK-47. Soon he'll want a bazooka and after that an antiaircraft gun. In no time your home will become an armory.
4. If cleaner cars are produced, then there will be fewer greenhouse gasses. There will be fewer greenhouse gasses. Therefore, cleaner cars will be produced.
5. Mark is a rotten salesman. But every salesman is a person. Therefore, Mark is a rotten person.
6. Whatever you do, never accept a date from Ken Bradshaw. The last woman to date Ken broke up with him in just 3 weeks and became a lesbian.
7. Our weightlifting coach argues with great conviction about the dangers of steroids, but you really can't take him seriously. I've been told by a trustworthy source that when the coach was our age he popped steroid pills every day.
8. Dorothy has blue eyes and blond hair. Therefore, probably her identical twin sister Theodora has blue eyes and blond hair.
9. Tricia is coughing and sneezing, and her head is all stuffed up. Tricia must have a cold.
10. Most of the residents of the City Heights neighborhood are illiterate. Therefore, it would be a good idea to close the City Heights library. After all, nobody uses it.
11. This idea of same-sex marriage is an abomination! The Holy Bible says that marriage is between a man and a woman. This sacred rule is engraved in the order of nature by almighty God! Who are these perverts who would undermine the sanctity of holy wedlock? Down with the gays! To hell with the femiNazis!
12. Those boarding a bus are never required to pass through a security checkpoint. Therefore, those boarding an airliner should not be required to pass through a security checkpoint.
13. Colleen, you know something about American history. Tell me, did the civil war start in 1860 or 1861?
14. The song 'I lost My Love in Nashville' is very sad. But every song is composed of notes. Therefore, every note in that song is very sad.
15. Stem cell research is immoral because anything that involves killing innocent human beings is immoral.
16. Professor Gibson said that he teaches only dead white philosophers. Therefore, it must be the case that all of his students are dead.
17. Floyd Conway has given us his reasons for unrestricted logging in our national forests. But it's obvious why he says these things. Floyd is a lumberjack, and he just wants to ensure that he'll have a job in the years ahead.
18. Health care is a fundamental right. This is so because citizens have a right to the necessities of life. And this follows from the fact that life is a fundamental right. And naturally this is true because the state has the obligation to protect life. And why is this true? Because the state has an obligation to provide health care. And this follows from the fact that health care is a fundamental right.
19. I know that Harper is a millionaire, but he couldn't have earned that money all by himselfat least not honestly. Harper is a total fool without a shred of business sense, and he wastes every spare nickel on idiotic video games.
20. Witness Clark testified that he saw the defendant emerge from the burgled house with an expensive camera. But, members of the jury, you should reject this testimony because Clark suffers from brain damage, and he has trouble remembering things accurately.
21. Mr. President, I would advise you to go along with our plan to use Pakistan as a base of operations for invading Iran. After all, I'm sure you don't want your country bombed back to the stone age.
22. Dr. Sylvia Newman, the world famous biochemist, says that the widespread use of pesticides poses a serious threat to public health. Therefore, we should take this warning seriously and investigate further the extent of the threat.
23. Some individuals with political aspirations are incompetent bozos. Therefore, some incompetent bozos are individuals with political aspirations.
24. In a random sample of 300 current year Honda Civic Hybrids, 100 had a defect in the fuel injection system. Therefore, probably about a third of that entire production run has a defect in the fuel injection system.
25. In testimony to the court, Harold Geyser, President of the American Accounting Society, said that the CFO of the Abracadabra Corporation falsified the corporation's financial statements. Therefore, members of the jury, you must conclude that the CFO did indeed falsify these statements.

⚡ Recently practiced quizzes in this topic
Live quiz activity
Logic 101 Practice Test: Informal Logic - Basic Concepts Logic 101 Practice Test: Formal Logic - Categorical Syllogisms Logic 101 Practice Test: Inductive Logic - Causality and Mill’s Methods Logic 101 Practice Test: Inductive Logic - Probability Logic 101 Practice Test: Inductive Logic - Hypothetical/Scientific Reasoning Logic 101 Practice Test: Language - Meaning and Definition Logic 101 Practice Test: Formal Logic - Categorical Propositions Logic 101 Practice Test: Inductive Logic - Statistical Reasoning
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.