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. What is the primary cause of viscosity in fluids?
  • A. Molecular interactions
  • B. Temperature
  • C. Pressure
  • D. Density
Q. What is the primary characteristic of liquids that distinguishes them from solids?
  • A. Definite shape
  • B. Definite volume
  • C. Incompressibility
  • D. Fluidity
Q. What is the primary charge carrier in n-type semiconductors?
  • A. Holes
  • B. Electrons
  • C. Protons
  • D. Neutrons
Q. What is the primary charge carrier in P-type semiconductors?
  • A. Electrons
  • B. Holes
  • C. Protons
  • D. Neutrons
Q. What is the primary driving force for adsorption in physisorption?
  • A. Chemical bonds
  • B. Van der Waals forces
  • C. Hydrogen bonds
  • D. Ionic interactions
Q. What is the primary effect of a -CN group on a benzene ring?
  • A. +M effect
  • B. -M effect
  • C. +I effect
  • D. -I effect
Q. What is the primary effect of the -COOH group on a benzene ring?
  • A. +M effect
  • B. -M effect
  • C. +I effect
  • D. -I effect
Q. What is the primary effect of the -COOH group on aromatic compounds?
  • A. +M effect
  • B. -M effect
  • C. +I effect
  • D. -I effect
Q. What is the primary effect of the inductive effect in organic compounds?
  • A. Stabilization of positive charge
  • B. Stabilization of negative charge
  • C. Delocalization of electrons
  • D. Formation of hydrogen bonds
Q. What is the primary effect of the inductive effect in organic molecules?
  • A. Stabilization of positive charge
  • B. Stabilization of negative charge
  • C. Delocalization of electrons
  • D. Formation of hydrogen bonds
Q. What is the primary factor affecting colligative properties?
  • A. Nature of solute
  • B. Concentration of solute
  • C. Temperature
  • D. Volume of solvent
Q. What is the primary factor affecting the rate of heat transfer by conduction?
  • A. Surface area
  • B. Temperature difference
  • C. Material properties
  • D. All of the above
Q. What is the primary factor that affects the rate of a chemical reaction?
  • A. Concentration
  • B. Temperature
  • C. Catalyst
  • D. All of the above
Q. What is the primary factor that affects the rate of adsorption of a gas on a solid surface?
  • A. Temperature
  • B. Pressure
  • C. Surface area of the adsorbent
  • D. Nature of the gas
Q. What is the primary factor that affects the state of matter of a substance?
  • A. Temperature
  • B. Color
  • C. Mass
  • D. Volume
Q. What is the primary factor that affects the viscosity of a gas?
  • A. Temperature
  • B. Pressure
  • C. Density
  • D. Molecular weight
Q. What is the primary factor that determines the color of coordination compounds?
  • A. Nature of the metal ion
  • B. Nature of the ligands
  • C. Geometry of the complex
  • D. All of the above
Q. What is the primary factor that determines the viscosity of a fluid?
  • A. Temperature
  • B. Pressure
  • C. Density
  • D. Molecular size
Q. What is the primary force acting on a satellite in a stable orbit around the Earth?
  • A. Gravitational force
  • B. Electromagnetic force
  • C. Frictional force
  • D. Centrifugal force
Q. What is the primary force that holds the nucleus of an atom together?
  • A. Electromagnetic force
  • B. Gravitational force
  • C. Strong nuclear force
  • D. Weak nuclear force
Q. What is the primary force that holds the nucleus together?
  • A. Electromagnetic force
  • B. Gravitational force
  • C. Strong nuclear force
  • D. Weak nuclear force
Q. What is the primary force that holds the protons and neutrons together in the nucleus?
  • A. Electromagnetic force
  • B. Gravitational force
  • C. Strong nuclear force
  • D. Weak nuclear force
Q. What is the primary function of a cathode in an electrochemical cell?
  • A. To oxidize species
  • B. To reduce species
  • C. To provide electrons
  • D. To balance charge
Q. What is the primary function of a diode in a circuit?
  • A. Amplification
  • B. Rectification
  • C. Capacitance
  • D. Inductance
Q. What is the primary function of a modulator in a communication system?
  • A. To amplify the signal
  • B. To convert the signal into a suitable form for transmission
  • C. To demodulate the received signal
  • D. To filter out noise
Q. What is the primary function of a salt bridge in a galvanic cell?
  • A. To provide a path for electrons
  • B. To maintain charge balance
  • C. To increase voltage
  • D. To decrease resistance
Q. What is the primary function of a transistor in semiconductor technology?
  • A. Switching
  • B. Storage
  • C. Transmission
  • D. Resistance
Q. What is the primary function of a transistor?
  • A. Rectification
  • B. Amplification
  • C. Capacitance
  • D. Inductance
Q. What is the primary function of a transponder in satellite communication?
  • A. To amplify the signal
  • B. To receive and retransmit signals
  • C. To modulate the signal
  • D. To filter out noise
Q. What is the primary function of an antenna in a communication system?
  • A. To amplify the signal
  • B. To convert electrical signals into electromagnetic waves
  • C. To modulate the signal
  • D. To demodulate the signal
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