Oswaal MCQ Class 12: Boost Your Exam Performance with Top MCQs

Oswaal MCQ Class 12 offers a wide range of practice questions and solutions to help you ace your exams and enhance your learning for better academic results.

Welcome to Oswaal MCQ Class 12 questions and answers! This collection is designed to provide students with an effective way to practice and prepare for their exams. It covers a variety of subjects to help you get ready for each subject's respective examination.

Subject: Physics

Question 1:
What is the SI unit of electric charge?
Answer: Coulomb.

Question 2:
Which force is responsible for the movement of electrons in an electric circuit?
Answer: Electric field.

Question 3:
What is the formula for calculating the energy stored in a capacitor?
Answer: Energy stored in a capacitor is 12CV2\frac{1}{2} C V^221​CV2.

Question 4:
What does Ohm’s law state?
Answer: Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to the resistance.

Question 5:
What is the magnetic field around a straight current-carrying conductor shaped like?
Answer: It is in the form of concentric circles around the conductor.

Question 6:
What is the unit of magnetic flux?
Answer: Weber (Wb).

Question 7:
How is the electric field related to the potential difference?
Answer: The electric field is the negative gradient of the potential.

Question 8:
What happens to the resistance of a conductor when the temperature increases?
Answer: The resistance increases.

Question 9:
What is the primary function of a transformer?
Answer: To change the voltage level in an AC circuit.

Question 10:
What is the phenomenon of diffraction?
Answer: Diffraction is the bending of light around obstacles or the spreading of light waves as they pass through small openings.

Subject: Chemistry

Question 1:
What is the atomic number of carbon?
Answer: 6.

Question 2:
What type of bond is formed between two hydrogen atoms in H2?
Answer: Covalent bond.

Question 3:
Which of the following is a strong acid?
Answer: Hydrochloric acid (HCl).

Question 4:
What is the molar mass of NaCl?
Answer: 58.5 g/mol.

Question 5:
What is the law of conservation of mass?
Answer: It states that mass can neither be created nor destroyed in a chemical reaction.

Question 6:
Which gas is produced when an acid reacts with a metal?
Answer: Hydrogen gas.

Question 7:
What does the pH scale measure?
Answer: The concentration of hydrogen ions in a solution.

Question 8:
What is an isotope?
Answer: Atoms of the same element with different numbers of neutrons.

Question 9:
What is the name of the process where a solid turns directly into a gas?
Answer: Sublimation.

Question 10:
What is the formula for sulfuric acid?
Answer: H2SO4.

Subject: Biology

Question 1:
What is the basic unit of life?
Answer: The cell.

Question 2:
Which organelle is known as the powerhouse of the cell?
Answer: Mitochondria.

Question 3:
What is the process of photosynthesis?
Answer: Photosynthesis is the process by which plants convert sunlight into chemical energy, using water and carbon dioxide to produce glucose and oxygen.

Question 4:
What is the primary function of the red blood cells?
Answer: To transport oxygen from the lungs to the rest of the body.

Question 5:
What are the building blocks of proteins?
Answer: Amino acids.

Question 6:
What is the role of the chloroplast in plant cells?
Answer: Chloroplasts are responsible for photosynthesis in plant cells.

Question 7:
Which part of the brain controls voluntary actions?
Answer: The cerebrum.

Question 8:
What is DNA?
Answer: DNA (Deoxyribonucleic acid) is the genetic material that carries the instructions for the growth, development, functioning, and reproduction of living organisms.

Question 9:
What are the types of human bones?
Answer: Long bones, short bones, flat bones, and irregular bones.

Question 10:
What is the process of digestion?
Answer: Digestion is the breakdown of food into smaller components that can be absorbed into the bloodstream.

Subject: Mathematics

Question 1:
What is the sum of the interior angles of a triangle?
Answer: 180 degrees.

Question 2:
What is the area of a rectangle with length 5 cm and width 3 cm?
Answer: 15 square cm.

Question 3:
What is the Pythagorean theorem?
Answer: The square of the hypotenuse is equal to the sum of the squares of the other two sides in a right-angled triangle.

Question 4:
What is the value of π (pi)?
Answer: Approximately 3.14159.

Question 5:
What is the volume of a cylinder with radius 3 cm and height 10 cm?
Answer: Volume = πr²h = 3.14159 × (3)² × 10 = 282.74 cm³.

Question 6:
What is the formula for the area of a circle?
Answer: Area = πr².

Question 7:
How do you find the mean of a set of numbers?
Answer: Add all the numbers and divide by the number of terms.

Question 8:
What is the formula for the slope of a line in coordinate geometry?
Answer: Slope = (y₂ - y₁) / (x₂ - x₁).

Question 9:
What is the solution to the quadratic equation x2+5x+6=0x^2 + 5x + 6 = 0x2+5x+6=0?
Answer: x = -2 and x = -3.

Question 10:
What is the sum of the first 10 natural numbers?
Answer: 55.

Subject: English

Question 1:
What is the meaning of the word "benevolent"?
Answer: Kind and well-meaning.

Question 2:
What is the purpose of a simile in literature?
Answer: A simile is used to compare two different things using the words "like" or "as."

Question 3:
What is the difference between a metaphor and a simile?
Answer: A metaphor directly compares two things, while a simile uses "like" or "as" to make a comparison.

Question 4:
Who wrote the play "Romeo and Juliet"?
Answer: William Shakespeare.

Question 5:
What is the theme of "To Kill a Mockingbird" by Harper Lee?
Answer: The novel explores themes of racial injustice, morality, and the loss of innocence.

Question 6:
What is the definition of "alliteration"?
Answer: The repetition of the same consonant sound at the beginning of words in a sentence or phrase.

Question 7:
What is an example of a personification?
Answer: "The wind whispered through the trees."

Question 8:
What does the term "irony" mean in literature?
Answer: Irony refers to a situation where there is a contrast between what is expected and what actually occurs.

Question 9:
What is the purpose of a thesis statement in an essay?
Answer: A thesis statement outlines the main argument or point of the essay.

Question 10:
What is the meaning of the phrase "a picture is worth a thousand words"?
Answer: It means that visual images can convey complex ideas or emotions more effectively than words.

Subject: History

Question 1:
Who was the first President of India?
Answer: Dr. Rajendra Prasad.

Question 2:
What was the significance of the Battle of Plassey?
Answer: It marked the beginning of British rule in India.

Question 3:
Who led the Salt March in 1930?
Answer: Mahatma Gandhi.

Question 4:
What was the impact of the Industrial Revolution on society?
Answer: It led to urbanization, technological advancements, and significant changes in the labor market.

Question 5:
What was the Magna Carta?
Answer: A document signed in 1215 that limited the power of the English king and guaranteed certain rights to the people.

Question 6:
When did India gain independence from British rule?
Answer: August 15, 1947.

Question 7:
Who was the leader of the Bolshevik Revolution in Russia?
Answer: Vladimir Lenin.

Question 8:
What was the cause of World War I?
Answer: The assassination of Archduke Franz Ferdinand and the complex system of alliances between European powers.

Question 9:
What is the significance of the Berlin Wall?
Answer: It symbolized the division between East and West Germany during the Cold War.

Question 10:
What was the purpose of the United Nations when it was created in 1945?
Answer: To promote peace, security, and cooperation among nations.

This is a sample collection that covers various subjects including Physics, Chemistry, Biology, Mathematics, English, and History. Feel free to explore more for additional topics and subjects as part of your preparation for Class 12 exams

Top Indian Books for Oswaal MCQ Class 12 Preparation

Oswaal CBSE MCQs Chapter-wise Question Bank
Author: Oswaal Editorial Board
Publisher: Oswaal Publishers
Content: This book covers all important chapters from the CBSE Class 12 curriculum. It includes multiple-choice questions (MCQs) designed to reinforce key concepts, as well as detailed explanations and answers. The book is designed to test and strengthen conceptual understanding for students preparing for their exams.

Oswaal NCERT Exemplar Problems MCQs for Class 12
Author: Oswaal Editorial Board
Publisher: Oswaal Publishers
Content: This book offers a rich collection of MCQs based on NCERT Exemplar problems. It is particularly useful for students looking to deepen their understanding of fundamental concepts in subjects like Physics, Chemistry, and Mathematics, offering practice that aligns with the exam pattern.

Physics MCQs for Class 12
Author: Dr. R.D. Sharma
Publisher: Dhanpat Rai & Co.
Content: Focused on Physics, this book contains a vast variety of MCQs covering both theoretical and practical aspects of the subject. It is ideal for revision and practice, helping students improve problem-solving speed and accuracy.

Chemistry MCQs for Class 12
Author: O.P. Tandon
Publisher: G.R. Bathla Publications
Content: This book provides an extensive set of MCQs based on the class 12 Chemistry syllabus. It is structured to enhance critical thinking and application of concepts. Students will find problems based on Organic Chemistry, Physical Chemistry, and Inorganic Chemistry.

Mathematics MCQs for Class 12
Author: R.S. Aggarwal
Publisher: S. Chand Publications
Content: This book offers a large variety of MCQs for Class 12 Mathematics. With questions ranging from basic to advanced levels, it serves as an excellent resource for exam preparation and strengthening problem-solving skills.

Biology MCQs for Class 12
Author: Trishna's Publications
Publisher: Trishna’s
Content: A comprehensive collection of MCQs, this book is tailored for Biology students. The questions cover diverse topics like Genetics, Ecology, Physiology, and Plant Biology, with an emphasis on understanding complex biological processes.

English Core MCQs for Class 12
Author: Oswaal Editorial Board
Publisher: Oswaal Publishers
Content: This book contains MCQs that help students improve their grasp on literature, grammar, and writing skills. The questions are designed to test comprehension, vocabulary, and writing fluency, as per the CBSE guidelines.

Accountancy MCQs for Class 12
Author: T.S. Grewal
Publisher: S. Chand Publications
Content: This book offers a variety of MCQs based on the CBSE Class 12 Accountancy syllabus. The questions cover topics like financial accounting, partnership, and company accounts. It’s a great resource for strengthening understanding of practical accounting concepts.

Business Studies MCQs for Class 12
Author: Sandeep Garg
Publisher: Goyal Brothers Prakashan
Content: Focused on the business studies syllabus, this book contains a variety of MCQs designed to enhance students’ understanding of management principles, business laws, and entrepreneurial concepts.

Economics MCQs for Class 12
Author: S. K. Agarwal
Publisher: Arya Publishing
Content: This book includes a wide range of MCQs from both Micro and Macro Economics. The questions are designed to assess students’ understanding of economic theories, concepts, and practical applications.

Political Science MCQs for Class 12
Author: S.K. Sharma
Publisher: Dhanpat Rai & Co.
Content: Offering a collection of MCQs based on the Class 12 Political Science syllabus, this book includes questions on Indian Government, International Relations, and Political Theory, perfect for enhancing knowledge of political science.

History MCQs for Class 12
Author: Dr. R.C. Sharma
Publisher: G.R. Bathla & Sons
Content: This book offers a compilation of MCQs on Indian and World History, providing a strong foundation in understanding historical events, their implications, and their significance in the context of the present.

Psychology MCQs for Class 12
Author: Rajeev Kumar
Publisher: Cambridge University Press
Content: For students studying Psychology, this book provides a variety of MCQs that test theoretical knowledge as well as real-life applications of psychological principles.

Sociology MCQs for Class 12
Author: S.L. Gupta
Publisher: S. Chand Publications
Content: This book is designed for students preparing for Sociology. It includes a wide range of MCQs covering society, social institutions, social change, and various sociological theories.

Geography MCQs for Class 12
Author: K.K. Sharma
Publisher: Goyal Brothers Prakashan
Content: This book focuses on physical geography, human geography, and environmental studies, with numerous MCQs that help solidify concepts for the geography exam.

Informatics Practices MCQs for Class 12
Author: Sumita Arora
Publisher: Dhanpat Rai Publications
Content: A great resource for students of Informatics Practices, this book contains MCQs covering computer science concepts, coding, and data management, making it ideal for exam preparation.

Physical Education MCQs for Class 12
Author: B.K. Das
Publisher: Sports Publications
Content: This book offers MCQs related to physical fitness, sports training, and health education. It’s a useful resource for students looking to excel in Physical Education exams.

Hindi Core MCQs for Class 12
Author: Dr. M.P. Singh
Publisher: S. Chand Publications
Content: A collection of MCQs based on the Hindi Core syllabus, this book covers poetry, prose, and grammar sections, offering practice that enhances students’ command over the Hindi language.

Music MCQs for Class 12
Author: Sushma Shukla
Publisher: Kamal Publishers
Content: This book contains MCQs on both theoretical and practical aspects of music, offering in-depth knowledge of Indian Classical Music, its history, and application.

Home Science MCQs for Class 12
Author: N. Srinivas
Publisher: Goyal Brothers Prakashan
Content: This book is designed for students studying Home Science. It includes MCQs covering topics related to food science, human development, and health education.

Oswaal MCQ Class 12: A Comprehensive Guide to Exam Success

The journey of Class 12 preparation can be both exciting and challenging, especially when it comes to cracking multiple-choice questions (MCQs) that are an integral part of the exam format. One highly recommended resource for this is the Oswaal MCQ Class 12 series, a trusted name in academic circles. Oswaal Publishers have curated a range of books aimed at improving your MCQ-solving skills across various subjects, helping students approach their final exams with confidence and ease.

Why Choose Oswaal MCQ Class 12?
Oswaal MCQ books are specifically designed to cater to the needs of Class 12 students. They are structured to provide comprehensive coverage of each subject, from Mathematics and Physics to English and Business Studies. The content in these books is meticulously prepared in alignment with the CBSE syllabus and exam pattern, ensuring students get access to relevant and up-to-date questions.

The books are not just about questions and answers; they offer detailed explanations that help students understand the reasoning behind the correct answers. This approach ensures that students do not just memorize answers but also grasp the underlying concepts, which is key for long-term retention and application in exams.

A Focus on Conceptual Clarity
What sets Oswaal MCQ books apart is their emphasis on clarity and application. The MCQs are thoughtfully categorized according to chapters, helping students break down their study sessions into manageable portions. Each chapter features a diverse range of questions, from easy to challenging, allowing students to gradually build their problem-solving skills. Moreover, some books include tips, tricks, and shortcuts to enhance speed and accuracy during exams, a crucial aspect of MCQ-based tests.

Subject-Specific Mastery
Whether it’s Mathematics, Physics, Chemistry, Biology, or English, Oswaal ensures that every subject is covered comprehensively. For instance, the Oswaal Mathematics MCQs provide an in-depth exploration of topics such as Calculus, Algebra, and Trigonometry. The Physics book focuses on experimental and theoretical aspects, reinforcing core principles like Mechanics, Thermodynamics, and Electricity. Biology MCQs emphasize not just facts but the real-world applications of biological processes, offering insightful questions that test a student’s overall understanding.

These books also offer targeted content for specific streams like Commerce and Humanities, making them a versatile tool for all Class 12 students. With these books in hand, students can ensure they are well-prepared to face the rigorous demands of the exam, equipped with the right skills to tackle any MCQ with confidence.

As Class 12 students gear up for their final exams, Oswaal MCQ Class 12 books provide the perfect blend of practice, theory, and application, ensuring a complete and thorough preparation experience.