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Quizzes > General Knowledge & Mixed

Identification Quiz: Quick Yes/No Fact Check

Quick, free way to practice identification questions and get instant results.

Editorial: Review CompletedCreated By: Gopika VenugopalUpdated Aug 23, 2025
Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art promoting a Basic YesNo Identification Quiz.

This identification quiz helps you practice quick yes/no calls on 15 short facts. Spot what is true or false, get instant feedback, and strengthen your fact-checking skills. For more variety, try the general knowledge quiz or build question skills with the yes no questions quiz.

Easy
Is the sky blue on a clear sunny day?
Cannot determine
No
Yes
Maybe
On a clear sunny day without atmospheric anomalies, the sky appears blue due to the scattering of sunlight by air molecules. This phenomenon is well established in basic atmospheric science.
Is water composed of hydrogen and oxygen atoms?
Cannot determine
Maybe
No
Yes
Water is a compound made up of two hydrogen atoms bonded to one oxygen atom, known chemically as H2O. This is a fundamental fact in chemistry.
Can humans breathe easily underwater without equipment?
Cannot determine
No
Yes
Maybe
Humans lack gills and cannot extract oxygen from water, so they cannot breathe underwater without specialized equipment. This limitation is a basic biological fact.
Do birds typically have feathers?
Cannot determine
No
Yes
Maybe
Feathers are a defining characteristic of the class Aves (birds), and virtually all bird species have them. This is a basic taxonomic fact.
Is 2 + 2 equal to 5?
Cannot determine
Maybe
No
Yes
In standard arithmetic, adding 2 and 2 yields 4, not 5. This basic mathematical fact is universally taught.
Medium
If an object has no net force acting on it, will its velocity change?
Cannot determine
Maybe
No
Yes
Newton's first law states that an object with no net force acting on it maintains its current state of motion. Therefore, its velocity remains constant.
If all roses are flowers and some flowers fade quickly, can we conclude that some roses fade quickly?
No
Maybe
Yes
Cannot determine
Although all roses are flowers and some flowers fade quickly, there is no guarantee that any of the quickly fading flowers are roses. The given premises do not establish that overlap.
Is the capital of France Paris?
Maybe
Yes
No
Cannot determine
Paris has been the capital city of France for centuries and is recognized as such in all modern geopolitical references. This is a widely known geographical fact.
Does photosynthesis occur in plant roots?
No
Cannot determine
Yes
Maybe
Photosynthesis takes place in chloroplasts, which are found mainly in leaf cells rather than in roots. Roots typically function in absorption and anchoring.
If A implies B, and B implies C, does A imply C?
No
Yes
Cannot determine
Maybe
Implication in logic is transitive: if A→B and B→C are both true, then A→C must also be true. This is a fundamental property of logical inference.
Is zero considered a positive integer?
No
Maybe
Yes
Cannot determine
By standard mathematical convention, zero is neither positive nor negative. Therefore, it is not classified as a positive integer.
In an isosceles triangle, if two sides are equal, are the base angles equal?
Yes
Maybe
Cannot determine
No
A basic theorem in geometry states that in an isosceles triangle, the angles opposite the equal sides are equal. This is a direct consequence of side - angle relationships.
If it is raining, will the ground necessarily be wet outdoors?
Maybe
Cannot determine
No
Yes
Under normal conditions, rainwater lands on exposed ground and moistens it. Only special coverings or obstructions would prevent it from becoming wet.
If Mercury is the closest planet to the Sun, is it also the hottest planet in our solar system?
Cannot determine
No
Yes
Maybe
Mercury is closest to the Sun, but Venus has a much thicker atmosphere that traps heat, making Venus the hottest planet. Proximity alone does not determine surface temperature.
All mammals are warm-blooded; whales are mammals; are whales warm-blooded?
Cannot determine
Maybe
Yes
No
Since the category 'mammals' is defined by characteristics including warm-bloodedness, and whales are members of that category, whales inherit that property. This follows standard categorical logic.
Hard
Two angles in a triangle measure 45° each; is the triangle right-angled?
Yes
No
Maybe
Cannot determine
The angles in a triangle sum to 180°, so if two angles are 45° each, the third angle must be 90°. That means the triangle is right-angled.
If a function f is injective, does every y in its codomain correspond to exactly one x in its domain?
Yes
No
Maybe
Cannot determine
An injective (one-to-one) function ensures that each x maps to a unique y, but it does not guarantee that every y in the codomain is used. That property would require surjectivity.
In probability, if two events A and B are independent, is P(A∩B) equal to P(A)+P(B)?
Yes
No
Maybe
Cannot determine
For independent events, the probability of their intersection is the product P(A)×P(B). The sum of probabilities applies to mutually exclusive events, not independent ones.
Given a continuous function on a closed interval, does the Intermediate Value Theorem guarantee it attains every value between f(a) and f(b)?
No
Cannot determine
Yes
Maybe
The Intermediate Value Theorem states that a continuous function on a closed interval [a,b] takes on every value between f(a) and f(b) at least once. This is a fundamental result in real analysis.
In computer science, is an algorithm with time complexity O(n log n) faster than one with O(n^2) for large n?
Cannot determine
Maybe
Yes
No
As n grows large, n log n grows more slowly than n², so an O(n log n) algorithm will outperform an O(n²) algorithm for sufficiently large input sizes. This is a key concept in algorithm analysis.
0
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Learning Outcomes

  1. Identify correct yes/no responses for basic statements
  2. Evaluate scenarios to determine binary answers accurately
  3. Demonstrate understanding of simple fact identification
  4. Apply yes/no decision-making skills in various contexts
  5. Analyse prompts for accurate true/false classification

Cheat Sheet

  1. Understand the Structure of Yes/No Questions - Yes/no questions are like the quick-fire pop quizzes of language, expecting a simple "yes" or "no" answer. They're different from open-ended questions that crave a full explanation, so spotting them instantly speeds up your study flow. Embrace this binary style to sharpen your exam instincts!
  2. Recognize Absolute Qualifiers - Words such as "always," "never," "all," and "none" leave zero wiggle room, making statements that contain them often false. Since life loves exceptions, seeing absolutes should make your red flag go up. Train yourself to spot these powerhouse words and challenge their claim every time!
  3. Identify Flexible Qualifiers - Plug-in words like "sometimes," "often," "generally," and "usually" add nuance and room for exceptions, so statements that use them are more likely to be true. They acknowledge the real world's ups and downs, making them study buddies instead of tricksters. Keep an eye out for these friendly qualifiers!
  4. Be Cautious with Negatives - Negatives such as "not," "no," and "cannot" can flip the truth of a sentence on its head. Try removing the negative to see if the core claim holds; for example, "The Earth is not flat" becomes "The Earth is flat," which is false - so the original is true. This little trick clarifies even the sneakiest of statements!
  5. Avoid Double Negatives - Two negatives often make a positive in the most confusing way possible, such as "not uncommon," which actually means "common." Always rephrase to clear up the double-negative fog - your brain will thank you. This skill turns verbal puzzles into easy wins!
  6. Analyze Long Statements Carefully - Lengthy sentences can sneak in multiple ideas, and if any single piece is false, the whole claim collapses. Break down each clause, tackle them one by one, and you'll never be tripped up by a run-on trap again. It's like playing detective on paper!
  7. Understand the Role of Context - Context is king: the same statement can be true in one scenario and false in another. Always consider the background info, the speaker's intent, and the setting before you decide. Contextual awareness transforms you from test-taker to truth-spotter!
  8. Practice Critical Thinking - Don't swallow statements whole - chew on them! Question assumptions, ponder exceptions, and call on your facts to decide truthfulness. The more you flex this mental muscle, the sharper your answers become. Critical thinking is your secret study superpower!
  9. Be Aware of Common Pitfalls - Test writers love sneaky wording and popular misconceptions to trick you. Watch for familiar red herrings - like oversimplified claims or tricky phrasings - and stay grounded in your knowledge. Spotting these pitfalls turns surprises into easy points!
  10. Practice with Sample Questions - Regular drills with real yes/no questions build confidence and speed. Use reputable guides, past exams, or online quizzes to get a feel for common themes and formats. The more you practice, the more natural the patterns become - hello, top grades!
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