JEE Main MCQ & Objective Questions

The JEE Main exam is a crucial step for students aspiring to enter prestigious engineering colleges in India. It tests not only knowledge but also the ability to apply concepts effectively. Practicing MCQs and objective questions is essential for scoring better, as it helps in familiarizing students with the exam pattern and enhances their problem-solving skills. Engaging with practice questions allows students to identify important questions and strengthen their exam preparation.

What You Will Practise Here

  • Fundamental concepts of Physics, Chemistry, and Mathematics
  • Key formulas and their applications in problem-solving
  • Important definitions and theories relevant to JEE Main
  • Diagrams and graphical representations for better understanding
  • Numerical problems and their step-by-step solutions
  • Previous years' JEE Main questions for real exam experience
  • Time management strategies while solving MCQs

Exam Relevance

The topics covered in JEE Main are not only significant for the JEE exam but also appear in various CBSE and State Board examinations. Many concepts are shared with the NEET syllabus, making them relevant across multiple competitive exams. Common question patterns include conceptual applications, numerical problems, and theoretical questions that assess a student's understanding of core subjects.

Common Mistakes Students Make

  • Misinterpreting the question stem, leading to incorrect answers
  • Neglecting units in numerical problems, which can change the outcome
  • Overlooking negative marking and not managing time effectively
  • Relying too heavily on rote memorization instead of understanding concepts
  • Failing to review and analyze mistakes from practice tests

FAQs

Question: How can I improve my speed in solving JEE Main MCQ questions?
Answer: Regular practice with timed quizzes and focusing on shortcuts can significantly enhance your speed.

Question: Are the JEE Main objective questions similar to previous years' papers?
Answer: Yes, many questions are based on previous years' patterns, so practicing them can be beneficial.

Question: What is the best way to approach JEE Main practice questions?
Answer: Start with understanding the concepts, then attempt practice questions, and finally review your answers to learn from mistakes.

Now is the time to take charge of your preparation! Dive into solving JEE Main MCQs and practice questions to test your understanding and boost your confidence for the exam.

Q. Which of the following statements is true about carboxylic acids?
  • A. They are always soluble in water
  • B. They have higher boiling points than alcohols
  • C. They cannot form hydrogen bonds
  • D. They are weak bases
Q. Which of the following statements is true about catalysts?
  • A. They are consumed in the reaction
  • B. They increase the activation energy
  • C. They provide an alternative pathway with lower activation energy
  • D. They change the equilibrium constant
Q. Which of the following statements is true about continuous functions?
  • A. They can be differentiated everywhere
  • B. They are always bounded
  • C. They can be integrated
  • D. They can have jump discontinuities
Q. Which of the following statements is true about coordination compounds?
  • A. They always have a positive charge
  • B. They can exhibit color
  • C. They cannot form complexes
  • D. They are always soluble in water
Q. Which of the following statements is true about dynamic equilibrium?
  • A. The concentrations of reactants and products are equal
  • B. The rate of the forward reaction equals the rate of the reverse reaction
  • C. The reaction has stopped
  • D. All reactions reach dynamic equilibrium
Q. Which of the following statements is true about electric field lines?
  • A. They can cross each other
  • B. They are always straight
  • C. They point from positive to negative
  • D. They are always circular
Q. Which of the following statements is true about electrolysis?
  • A. It requires a spontaneous reaction
  • B. It is an endothermic process
  • C. It involves the decomposition of a compound
  • D. It occurs in a galvanic cell
Q. Which of the following statements is true about electrolytic cells?
  • A. They produce electrical energy
  • B. They require an external power source
  • C. They operate spontaneously
  • D. They are always exothermic
Q. Which of the following statements is true about entropy?
  • A. Entropy is a measure of disorder
  • B. Entropy decreases in irreversible processes
  • C. Entropy is constant in reversible processes
  • D. Both a and c are true
Q. Which of the following statements is true about equipotential surfaces?
  • A. They are always parallel to each other
  • B. No work is done moving a charge along them
  • C. They can intersect
  • D. They are always spherical
Q. Which of the following statements is true about ethers?
  • A. They are polar compounds
  • B. They have high boiling points
  • C. They are highly reactive
  • D. They are used as solvents
Q. Which of the following statements is true about gases?
  • A. They have a definite volume.
  • B. They are incompressible.
  • C. They fill the shape of their container.
  • D. They have strong intermolecular forces.
Q. Which of the following statements is true about geostationary satellites?
  • A. They orbit the Earth in a polar orbit.
  • B. They have a period equal to the Earth's rotation period.
  • C. They are always in the same position relative to the Earth.
  • D. Both b and c
Q. Which of the following statements is true about Gibbs Free Energy?
  • A. ΔG is always positive for spontaneous processes.
  • B. ΔG = ΔH - TΔS.
  • C. ΔG can never be zero.
  • D. ΔG is independent of temperature.
Q. Which of the following statements is true about gravitational field lines?
  • A. They are straight lines
  • B. They can cross each other
  • C. They point towards the mass
  • D. They are always circular
Q. Which of the following statements is true about gravitational potential energy?
  • A. It is always positive.
  • B. It can be negative.
  • C. It is independent of position.
  • D. It is always zero.
Q. Which of the following statements is true about ionic compounds?
  • A. They have low melting points
  • B. They conduct electricity in solid state
  • C. They are soluble in water
  • D. They are volatile
Q. Which of the following statements is true about isotopes?
  • A. They have the same number of protons
  • B. They have different chemical properties
  • C. They have different atomic numbers
  • D. They have the same mass number
Q. Which of the following statements is true about ketones?
  • A. They can be oxidized to carboxylic acids
  • B. They have a higher boiling point than aldehydes
  • C. They cannot form hydrogen bonds
  • D. They are more reactive than aldehydes
Q. Which of the following statements is true about liquids?
  • 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 is true about magnetic field lines?
  • A. They can cross each other
  • B. They are closed loops
  • C. They start from south and end at north
  • D. They are always straight lines
Q. Which of the following statements is true about real gases compared to ideal gases?
  • A. Real gases obey gas laws perfectly
  • B. Real gases have no intermolecular forces
  • C. Real gases occupy no volume
  • D. Real gases deviate from ideal behavior at high pressure
Q. Which of the following statements is true about real gases?
  • A. They obey the ideal gas law at all conditions
  • B. They have no volume
  • C. They experience intermolecular forces
  • D. They cannot be liquefied
Q. Which of the following statements is true about redox reactions?
  • A. They always involve the transfer of protons.
  • B. They involve the transfer of electrons.
  • C. They do not involve changes in oxidation states.
  • D. They can only occur in acidic solutions.
Q. Which of the following statements is true about s-block elements?
  • A. They have completely filled d-orbitals
  • B. They have one or two electrons in their outermost shell
  • C. They are all gases at room temperature
  • D. They form acidic oxides
Q. Which of the following statements is true about the behavior of real gases?
  • A. They obey gas laws perfectly
  • B. They have no volume
  • C. They experience intermolecular forces
  • D. They are always ideal
Q. Which of the following statements is true about the center of mass of a system?
  • A. It always lies within the physical body
  • B. It can lie outside the physical body
  • C. It is always at the geometric center
  • D. It is the point where all mass is concentrated
Q. Which of the following statements is true about the complex ion [Co(NH3)6]3+?
  • A. It is paramagnetic
  • B. It is diamagnetic
  • C. It has a coordination number of 4
  • D. It contains a transition metal
Q. Which of the following statements is true about the complex [Cr(NH3)6]3+?
  • A. It is tetrahedral
  • B. It is octahedral
  • C. It is square planar
  • D. It is linear
Q. Which of the following statements is true about the complex [Fe(CN)6]3-?
  • A. It is paramagnetic
  • B. It is diamagnetic
  • C. It has a coordination number of 4
  • D. It contains only monodentate ligands
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