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MCQ Test Online: 15 Questions to Check Your Knowledge

Quick, free multiple choice practice test with instant results.

Editorial: Review CompletedCreated By: Online NorwegianUpdated Aug 25, 2025
Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting a multiple choice quiz theme

This MCQ test online helps you check your knowledge across mixed topics in 15 quick questions and get instant answers. Use it to warm up, spot gaps, and track progress, then try the science quiz multiple choice, the quantitative aptitude test, or the grade 5 general knowledge quiz for more practice.

What is 7 + 5?
10
11
12 (Explanation: 7 plus 5 equals 12 by basic addition)
13
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A rectangle has four right angles.
True (Explanation: By definition, all interior angles of a rectangle are 90 degrees)
False
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At sea level (1 atm), what is the physical state of pure water just after it surpasses its boiling point (i.e., at temperatures slightly above 100°C)?
Liquid
Solid
Plasma
Gas
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Identify the subject in the sentence The cat sleeps.
The
cat (Explanation: The subject is the noun performing the action)
sleeps
The cat sleeps
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What is the capital of France?
Lyon
Rome
Paris (Explanation: Paris is the seat of government and recognized capital of France)
Madrid
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Which measure is defined as the middle value of an ordered data set?
Median (Explanation: The median is the central value when data are ordered)
Mean
Range
Mode
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All mammals are cold-blooded.
True
False (Explanation: Mammals are endothermic, maintaining a constant internal temperature)
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Who wrote the novel 1984?
J.R.R. Tolkien
Aldous Huxley
George Orwell (Explanation: Orwell published 1984 in 1949)
Ray Bradbury
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Basalt is primarily classified as which type of rock?
Organic
Sedimentary
Igneous (Explanation: Basalt forms from cooled lava at or near Earth's surface)
Metamorphic
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What is the area formula for a triangle with base b and height h?
(1/2)×b×h (Explanation: A triangle's area equals half the area of a rectangle with same base and height)
b×h×h
(b+h)/2
b×h
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What is the derivative of ln(x) for x>0?
x ln(x)
1/x (Explanation: d/dx ln(x) = 1/x by standard calculus rules)
ln(x)
x
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In which year was the Magna Carta sealed?
1066
1776
1492
1215 (Explanation: King John sealed Magna Carta at Runnymede in 1215)
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The equation PV = nRT is commonly known as which law?
Boyle's law
Ideal gas law (Explanation: It combines several empirical gas laws into one equation of state)
Charles's law
Avogadro's law
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In a normal distribution, the mean equals the median equals the mode.
True (Explanation: Symmetry of the normal curve makes these central tendencies equal)
False
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Which option best defines a Type I error in hypothesis testing?
Rejecting a false alternative hypothesis
Rejecting a true null hypothesis (Explanation: Type I error is a false positive)
Accepting a true alternative hypothesis
Failing to reject a false null hypothesis
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Evaluate the indefinite integral ∫ 1/(1+x^2) dx.
ln|x| + C
arctan(x) + C (Explanation: d/dx arctan(x) = 1/(1+x^2))
x^2/2 + C
e^x + C
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Which sequence correctly represents the TCP three-way handshake?
ACK, SYN, SYN-ACK
SYN, SYN-ACK, ACK (Explanation: Client sends SYN, server replies SYN-ACK, client responds ACK)
FIN, FIN-ACK, ACK
SYN, ACK, SYN-ACK
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The Heisenberg uncertainty principle limits simultaneous precision of position and momentum.
False
True (Explanation: ΔxΔp ≥ ħ/2 imposes a fundamental limit on measurement precision)
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According to the Aufbau principle, which orbital is filled immediately after 3p?
3f
3d
4s (Explanation: The 4s subshell fills before 3d due to lower effective energy)
4p
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Which formula produces an unbiased estimator of population variance from a sample?
Sum of squared deviations divided by n
Sum of squared deviations divided by n-1 (Explanation: Using n-1 corrects small-sample bias)
Sum of deviations divided by n-1
Square root of standard deviation
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Learning Outcomes

  1. Analyse question stems to determine correct answers accurately
  2. Evaluate answer options using elimination techniques
  3. Apply key concepts to select the best choice
  4. Master time management during timed quizzes
  5. Demonstrate improved recall of core topics

Cheat Sheet

  1. Understand the Question Stem - Dive into every question by pinpointing keywords like "not," "only," or "except" that can completely change the meaning. Underline or circle these clues to keep your focus razor-sharp and avoid sneaky traps.
  2. Eliminate Incorrect Options - Knock out obviously wrong answers first to boost your chances with the remaining choices. This classic "process of elimination" not only narrows the field but also gives you confidence as you see fewer options left.
  3. Manage Your Time Wisely - Split your total exam time by the number of questions, then stick to those mini-deadlines. If one question is eating up too much time, flag it, move on, and circle back later with a fresh perspective.
  4. Beware of Absolute Terms - Answers featuring words like "always," "never," or "only" are often red flags since life usually has exceptions. Look for softer qualifiers like "often" or "generally" to find the more realistic, correct choice.
  5. Answer What You Know First - Kick off the test by tackling your strongest questions to build momentum and secure easy points. This positive push can spark insights for tougher questions later on.
  6. Read All Options Before Choosing - Even if the first answer looks perfect, scan every choice - sometimes a later option is more complete or precise. This thorough approach prevents accidental elimination of the best answer.
  7. Use Context Clues - Other questions might drop hints or facts that help you deduce tricky answers elsewhere. Pay attention to repeated themes or dates to make educated guesses when stuck.
  8. Practice with Sample Questions - Familiarize yourself with the exam's structure by doing mock tests and old quizzes. This practice not only sharpens your skills but also reduces test-day jitters.
  9. Stay Calm and Focused - Breathe deeply and take it one question at a time to keep anxiety at bay. If stress creeps in, pause for a moment, stretch or shake out your hands, then dive back in feeling refreshed.
  10. Review Your Answers - If you finish early, revisit flagged questions with a clear mind and double-check calculations or tricky wording. A quick scan for careless mistakes can boost your score by catching small slip-ups.
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