Major Competitive Exams

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Major Competitive Exams MCQ & Objective Questions

Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.

What You Will Practise Here

  • Key concepts and theories related to major subjects
  • Important formulas and their applications
  • Definitions of critical terms and terminologies
  • Diagrams and illustrations to enhance understanding
  • Practice questions that mirror actual exam patterns
  • Strategies for solving objective questions efficiently
  • Time management techniques for competitive exams

Exam Relevance

The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.

Common Mistakes Students Make

  • Rushing through questions without reading them carefully
  • Overlooking the negative marking scheme in MCQs
  • Confusing similar concepts or terms
  • Neglecting to review previous years’ question papers
  • Failing to manage time effectively during the exam

FAQs

Question: How can I improve my performance in Major Competitive Exams?
Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.

Question: What types of questions should I focus on for these exams?
Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.

Question: Are there specific strategies for tackling objective questions?
Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.

Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!

Q. Which of the following statements about hydrogen is incorrect? (2019)
  • A. Hydrogen is the lightest element.
  • B. Hydrogen can form covalent bonds.
  • C. Hydrogen exists as a diatomic molecule in nature.
  • D. Hydrogen is a metal at room temperature.
Q. Which of the following statements about ideal solutions is true?
  • A. They obey Raoult's law at all concentrations
  • B. They have a constant boiling point
  • C. They have a constant density
  • D. They do not exhibit colligative properties
Q. Which of the following statements about inductive effect is correct?
  • A. It is a permanent effect
  • B. It is a temporary effect
  • C. It only affects alkenes
  • D. It increases basicity
Q. Which of the following statements about isomerism is FALSE?
  • A. Isomers have the same molecular formula.
  • B. Isomers have different physical properties.
  • C. Isomers have different chemical properties.
  • D. Isomers cannot exist in the same physical state.
Q. Which of the following statements about isomerism is true?
  • A. Isomers have the same molecular formula
  • B. Isomers have different molecular formulas
  • C. Isomers have the same physical properties
  • D. Isomers cannot exist in the same compound
Q. Which of the following statements about isomers is true?
  • A. Isomers have different molecular formulas
  • B. Isomers have the same connectivity of atoms
  • C. Isomers have different physical and chemical properties
  • D. Isomers cannot exist in the same compound
Q. Which of the following statements about isotopes is true?
  • A. Isotopes have the same number of protons
  • B. Isotopes have different chemical properties
  • C. Isotopes have different numbers of protons
  • D. Isotopes are always radioactive
Q. Which of the following statements about kinetic friction is true?
  • A. It is always greater than static friction.
  • B. It depends on the speed of the object.
  • C. It is independent of the contact area.
  • D. It increases with increasing normal force.
Q. Which of the following statements about lenses is true?
  • A. Concave lenses converge light rays
  • B. Convex lenses diverge light rays
  • C. Concave lenses produce virtual images
  • D. Convex lenses have negative focal lengths
Q. Which of the following statements about liquids is true?
  • A. They have a definite shape.
  • B. They are incompressible.
  • C. They have a fixed volume.
  • D. Both B and C
Q. Which of the following statements about magnetic field lines is true?
  • A. They can cross each other
  • B. They are always straight lines
  • C. They form closed loops
  • D. They originate from magnetic monopoles
Q. Which of the following statements about mesomeric effect is true?
  • A. It involves only sigma bonds.
  • B. It is a permanent effect.
  • C. It is weaker than the inductive effect.
  • D. It does not involve resonance structures.
Q. Which of the following statements about metallic bonding is true?
  • A. Electrons are localized
  • B. Electrons are delocalized
  • C. Only positive ions are present
  • D. It involves sharing of electrons
Q. Which of the following statements about molarity is true?
  • A. It changes with temperature.
  • B. It is independent of temperature.
  • C. It is defined as moles of solute per liter of solvent.
  • D. It is always equal to molality.
Q. Which of the following statements about molecular orbitals is correct?
  • A. Molecular orbitals are formed by the overlap of atomic orbitals.
  • B. Molecular orbitals can only be occupied by one electron.
  • C. Bonding molecular orbitals have higher energy than antibonding orbitals.
  • D. Molecular orbitals do not influence the shape of molecules.
Q. Which of the following statements about molecular orbitals is incorrect?
  • A. Molecular orbitals can be occupied by a maximum of two electrons.
  • B. Bonding orbitals are lower in energy than antibonding orbitals.
  • C. Molecular orbitals are formed from the linear combination of atomic orbitals.
  • D. All molecular orbitals are degenerate.
Q. Which of the following statements about molecular orbitals is true?
  • A. Molecular orbitals are formed by the overlap of atomic orbitals.
  • B. Molecular orbitals can only be occupied by one electron.
  • C. Molecular orbitals do not have any energy levels.
  • D. Molecular orbitals are only found in diatomic molecules.
Q. Which of the following statements about multiples is true?
  • A. The multiples of a number are infinite.
  • B. The multiples of a number are always positive.
  • C. The first multiple of any number is the number itself.
  • D. All of the above.
Q. Which of the following statements about negative exponents is correct?
  • A. They indicate a reciprocal of the base raised to the positive exponent.
  • B. They always result in a negative number.
  • C. They can only be applied to integers.
  • D. They are not applicable in real number systems.
Q. Which of the following statements about number systems is true?
  • A. Base-10 is the only positional system
  • B. Base-2 can represent all integers
  • C. Base-16 is less efficient than base-10
  • D. Base-5 cannot represent fractions
Q. Which of the following statements about numeral systems is correct?
  • A. All numeral systems are based on the same principles.
  • B. Different numeral systems can represent the same value.
  • C. The decimal system is the only system used in mathematics.
  • D. Base systems are irrelevant in modern computing.
Q. Which of the following statements about numeral systems is incorrect?
  • A. Base-10 is the most commonly used system.
  • B. Base-16 is used in color codes in web design.
  • C. Base-2 is used in human languages.
  • D. Base-8 is less common than base-2.
Q. Which of the following statements about optical isomers is true?
  • A. They have the same physical properties
  • B. They rotate plane-polarized light in opposite directions
  • C. They have different molecular formulas
  • D. They are always chiral
Q. Which of the following statements about parthenogenesis is true? (2020)
  • A. It involves fertilization
  • B. It is a form of sexual reproduction
  • C. It produces offspring from unfertilized eggs
  • D. It is common in mammals
Q. Which of the following statements about partnerships is FALSE? (2023)
  • A. Partners share profits and losses.
  • B. All partners have equal say in business decisions.
  • C. Partnerships can be formed without a written agreement.
  • D. Partners are personally liable for business debts.
Q. Which of the following statements about partnerships is true?
  • A. All partners must have equal say in decisions
  • B. Partnerships are always limited liability
  • C. Partners can be held personally liable for business debts
  • D. Partnerships cannot have more than two partners
Q. Which of the following statements about phenols is true?
  • A. They are weak acids.
  • B. They are strong bases.
  • C. They do not react with bromine.
  • D. They are insoluble in water.
Q. Which of the following statements about plasma is true? (2023)
  • A. It has a definite shape and volume
  • B. It is a good conductor of electricity
  • C. It has low energy
  • D. It is the most common state of matter in the universe
Q. Which of the following statements about polarized light is true?
  • A. It can pass through any material without obstruction
  • B. It vibrates in multiple planes
  • C. It vibrates in a single plane
  • D. It has a higher speed than unpolarized light
Q. Which of the following statements about power is true?
  • A. Power is always conserved
  • B. Power can be negative
  • C. Power is independent of time
  • D. Power is a scalar quantity
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