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Quizzes > General Knowledge & Mixed

12th Grade Questions and Answers Quiz

Quick 12th grade quiz to test your knowledge. Instant results and answer explanations.

Editorial: Review CompletedCreated By: Cintia SoaresUpdated Aug 24, 2025
Difficulty: Moderate
Grade: Grade 12
Study OutcomesCheat Sheet
Colorful paper art promoting 12th Grade QA Challenge, an interactive quiz for high school seniors.

This 12th grade questions and answers quiz helps you check core skills, find weak spots, and learn from clear answers. If you want more practice, try our 11th grade us history quiz, explore 10th grade history questions, or take a college readiness test before you apply.

Which function is the derivative of f(x) = 3x^2 - 4x + 7?
3x^2 - 4
6x + 4
6x^2 - 4x
6x - 4
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Which of the following best describes the main purpose of the preamble to the U.S. Constitution?
To outline the first ten amendments
To list grievances against the British Crown
To state the goals and guiding principles of the Constitution
To establish judicial review
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The chemical formula of calcium carbonate is CaCO3.
True
False
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Which inequality is equivalent to 3(x - 2) > 2x + 1?
x < 7
x > -7
x < -7
x > 7
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The photoelectric effect demonstrates that light can exhibit particle-like properties.
False
True
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Which organelle is primarily responsible for protein synthesis in eukaryotic cells?
Lysosome
Ribosome
Mitochondrion
Golgi apparatus
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The subjunctive mood in English is used to express hypotheticals, wishes, or demands, as in "I suggest that he arrive early."
True
False
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In a closed economy with no government, the equilibrium condition in the simple Keynesian model is that planned investment equals planned saving.
True
False
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Which statement correctly identifies the role of NADH in cellular respiration?
It hydrolyzes glucose into pyruvate
It synthesizes ATP directly from ADP
It carries high-energy electrons to the electron transport chain
It acts as the final electron acceptor
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In Shakespeare's Macbeth, the character who first suspects Macbeth of foul play is Banquo.
True
False
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The Treaty of Westphalia (1648) ended the Thirty Years' War and is often cited as the origin of the modern state system based on sovereignty.
False
True
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Which statement about entropy is correct for a spontaneous process in an isolated system?
Entropy becomes zero
Entropy increases
Entropy remains constant
Entropy decreases
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An algorithm with time complexity O(n log n) will always run faster than one with O(n) for sufficiently large n.
False
True
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A function that is continuous on a closed interval [a, b] must attain both an absolute maximum and an absolute minimum on that interval.
True
False
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Which of the following nonzero vectors in the xy-plane is orthogonal to v = (2, -1, 0)?
(2, -1, 0)
(0, 0, 1)
(1, 2, 0)
(4, -2, 0)
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The Doppler effect explains the observed redshift of distant galaxies in an expanding universe.
True
False
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Which statement is true for a first-order reaction A -> products?
The rate constant has units of M^-1 s^-1
The half-life depends on the initial concentration
Doubling [A] quadruples the rate
A plot of ln[A] versus time is linear
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Which statement is correct about electric potential and electric field?
Equipotential surfaces are always parallel to field lines
Electric potential is a vector and electric field is a scalar
A positive charge moves spontaneously toward higher potential
The electric field points in the direction of decreasing electric potential
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In statistics, a 95% confidence interval means there is a 95% chance the true parameter lies within any specific computed interval.
True
False
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Which of the following is the best description of a public key in asymmetric cryptography?
A key that can be shared to encrypt messages that only the private key can decrypt
A key that decrypts messages encrypted with itself
A symmetric key shared secretly between two parties
A key used for hashing messages for integrity
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Study Outcomes

  1. Understand core academic concepts from various subjects.
  2. Analyze complex problems and questions typical of high school curricula.
  3. Apply effective test-taking strategies to improve exam readiness.
  4. Evaluate performance to identify strengths and areas for improvement.
  5. Synthesize information across topics to reinforce overall understanding.

12th Grade Quiz: Questions & Answers Cheat Sheet

  1. Master the Solubility Rules - Dive into the world of ionic compounds by learning which substances dissolve and which form pesky precipitates. Create catchy mnemonics (think "NAGSAG" for nitrates, acetates, group 1, sulfates, ammonium, and group 17) and quiz yourself with flashcards or quick drawings. Soon predicting reaction outcomes will feel like second nature! Solubility Rules Guide
  2. Understand Mitosis Phases - Break down prophase, metaphase, anaphase, and telophase with vivid color‑coded charts or even silly doodles (chromosomes as dancing noodles, anyone?). Visual aids stick better than rote memorization, so sketch out each stage and narrate the action in your own words. By the end, you'll ace any cell‑division question! Mitosis Phase Mnemonics
  3. Memorize Polyatomic Ions - Tackle common ions like sulfate (SO₄²❻) and phosphate (PO₄³❻) by grouping them into families - think "ates," "ites," and special guests like ammonium. Use color highlights or index cards to test yourself until formulas pop up automatically. A little daily practice cements these building blocks for chemistry success! Polyatomic Ion Flashcards
  4. Name Compounds Systematically - Feeling lost with ionic vs. molecular vs. acid naming? Flowcharts are your friend! Sketch a simple decision tree that asks "metal present?" or "oxo‑anion?" to guide you. Soon, naming CaCl₂ or H₂SO₄ will be as easy as ordering your favorite coffee. Compound Naming Flowchart
  5. Explore Khan Academy Math - Algebraic puzzles, trigonometry adventures, and stat challenges await on Khan Academy. Their bite‑sized videos and interactive quizzes let you learn at your own pace - and earn shiny badges along the way. Schedule daily 20‑minute sessions and watch your confidence skyrocket! 12th‑Grade Math Portal
  6. Create Quizlet Flashcards - Quizlet transforms study lists into lively games. Build digital cards for vocab, formulas, or dates, then challenge friends or race against the clock. The active‑recall and spaced repetition features mean you'll remember more with less cramming. Custom Quizlet Sets
  7. Simulate with Mock Exams - Practice under real test conditions to calm jittery nerves. Time yourself, stick to exam rules, and review mistakes thoroughly. Over time, you'll identify weak spots and transform them into strengths - and blissfully breeze through the actual test! Grade 12 Quiz Bank
  8. Visualize Chemistry in 3D - Hands‑on models are awesome, but 3D Molecules Edit & Test simulations let you twist, flip, and inspect molecules on‑screen. Play with bond angles and see electron clouds come to life - perfect for mastering organic structures or crystal lattices. 3D Molecule Builder
  9. Carry Math Ref Everywhere - This app is a pocket encyclopedia of equations, formulas, and unit‑conversion tools. Stuck on a trig identity or differentiation rule? Open Math Ref and find the answer in seconds - no frantic textbook flipping required! Math Ref App
  10. Leverage Educational Videos - Sometimes a lively explainer or animated tutorial is all you need to "get" a tough concept. Platforms like EducationalQuizzes.com curate top‑notch videos on everything from Shakespeare's symbolism to calculus proofs. Pop on headphones and level up your learning! Video Learning Hub
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