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Here are 13 multiple-choice questions on deduction and induction, with answers at the end.
1. Which of the following best defines deductive reasoning?
A) Drawing general conclusions from specific observations
B) Using prior knowledge to make predictions
C) Moving from general principles to specific conclusions
D) Guessing based on intuition
2. Which type of reasoning is used in the following argument?
"All humans are mortal. Socrates is a human. Therefore, Socrates is mortal."
A) Inductive reasoning
B) Deductive reasoning
C) Abductive reasoning
D) Analogical reasoning
3. Inductive reasoning is based on:
A) General rules
B) Specific observations leading to general conclusions
C) Mathematical proofs
D) Absolute certainty
4. Which of the following is an example of inductive reasoning?
A) If it rains, the ground gets wet. It rained today, so the ground is wet.
B) Every swan I have seen is white; therefore, all swans are white.
C) If all men are mortal and Socrates is a man, then Socrates is mortal.
D) If A = B and B = C, then A = C.
5. What is a major limitation of inductive reasoning?
A) It always leads to certain conclusions.
B) It cannot be applied to real-world problems.
C) Its conclusions are probable, not guaranteed.
D) It relies only on mathematical principles.
6. Deductive arguments are valid when:
A) The premises support the conclusion with high probability.
B) The conclusion follows logically from the premises.
C) The argument contains factual statements.
D) The argument is based on personal experience.
7. Which reasoning method is commonly used in scientific experiments?
A) Deductive reasoning
B) Inductive reasoning
C) Both A and B
D) Neither A nor B
8. Which of the following is an example of deductive reasoning?
A) All dogs bark. Max is a dog. Therefore, Max barks.
B) I have seen 100 black cats, so all cats must be black.
C) The sun has risen every day in my life, so it will rise tomorrow.
D) Every child I’ve met likes ice cream, so all children like ice cream.
9. Inductive reasoning is also known as:
A) Bottom-up reasoning
B) Top-down reasoning
C) Reverse reasoning
D) Logical necessity
10. If an argument has true premises and a true conclusion, it is always:
A) Valid
B) Sound
C) Both valid and sound
D) Neither valid nor sound
11. A deductive argument can be invalid if:
A) The premises are false.
B) The structure of the argument is incorrect.
C) The conclusion is false.
D) The argument is based on observation.
12. Which of these is an example of inductive reasoning?
A) All mammals have lungs. A whale is a mammal. Therefore, a whale has lungs.
B) Every apple I have eaten is sweet, so all apples must be sweet.
C) If all humans are mortal and John is a human, then John is mortal.
D) If it rains, the streets get wet. It rained today, so the streets are wet.
13. What type of reasoning is used in mathematics to prove theorems?
A) Inductive reasoning
B) Deductive reasoning
C) Analogical reasoning
D) Statistical reasoning
Answers:
1. C) Moving from general principles to specific conclusions
2. B) Deductive reasoning
3. B) Specific observations leading to general conclusions
4. B) Every swan I have seen is white; therefore, all swans are white.
5. C) Its conclusions are probable, not guaranteed.
6. B) The conclusion follows logically from the premises.
7. C) Both A and B
8. A) All dogs bark. Max is a dog. Therefore, Max barks.
9. A) Bottom-up reasoning
10. C) Both valid and sound
11. B) The structure of the argument is incorrect.
12. B) Every apple I have eaten is sweet, so all apples must be sweet.
13. B) Deductive reasoning