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 is a correct statement about the law of conservation of mass?
  • A. Mass can be created
  • B. Mass can be destroyed
  • C. Mass is conserved in a chemical reaction
  • D. Mass changes in a physical change
Q. Which of the following is a correct unit for concentration?
  • A. Molarity
  • B. Molality
  • C. Mass percent
  • D. All of the above
Q. Which of the following is a correct unit for Gibbs Free Energy?
  • A. Joules per mole (J/mol)
  • B. Kilojoules (kJ)
  • C. Calories (cal)
  • D. All of the above
Q. Which of the following is a correct unit for molality?
  • A. mol/L
  • B. mol/kg
  • C. mol/mL
  • D. mol/1000g
Q. Which of the following is a derivative of benzene?
  • A. Ethylene
  • B. Acetylene
  • C. Phenol
  • D. Propylene
Q. Which of the following is a derivative of carboxylic acid?
  • A. Alcohol
  • B. Aldehyde
  • C. Ester
  • D. Alkane
Q. Which of the following is a derived unit?
  • A. Meter
  • B. Kilogram
  • C. Second
  • D. Newton
Q. Which of the following is a dicarboxylic acid?
  • A. Acetic acid
  • B. Oxalic acid
  • C. Formic acid
  • D. Butanoic acid
Q. Which of the following is a disaccharide?
  • A. Fructose
  • B. Maltose
  • C. Glucose
  • D. Glycogen
Q. Which of the following is a disadvantage of frequency modulation (FM) compared to amplitude modulation (AM)?
  • A. Higher bandwidth requirement
  • B. More susceptible to noise
  • C. Lower fidelity
  • D. Easier to demodulate
Q. Which of the following is a disadvantage of Frequency Modulation (FM)?
  • A. Less bandwidth
  • B. More noise immunity
  • C. Complex receiver design
  • D. Simple implementation
Q. Which of the following is a family of exponential curves?
  • A. y = e^x
  • B. y = x^2
  • C. y = log(x)
  • D. y = sin(x)
Q. Which of the following is a function of carbohydrates?
  • A. Energy source
  • B. Hormone production
  • C. Genetic coding
  • D. Cell membrane structure
Q. Which of the following is a function of lipids?
  • A. Energy storage
  • B. Catalysis
  • C. Genetic information
  • D. Structural support
Q. Which of the following is a function of proteins in the body?
  • A. Energy storage
  • B. Hormonal regulation
  • C. Transport of molecules
  • D. All of the above
Q. Which of the following is a function of proteins?
  • A. Energy storage
  • B. Hormonal regulation
  • C. Genetic information
  • D. Cell membrane structure
Q. Which of the following is a good conductor of heat?
  • A. Wood
  • B. Plastic
  • C. Copper
  • D. Glass
Q. Which of the following is a heavy metal that can cause environmental pollution?
  • A. Iron
  • B. Lead
  • C. Calcium
  • D. Sodium
Q. Which of the following is a heavy metal that poses environmental hazards?
  • A. Sodium
  • B. Calcium
  • C. Lead
  • D. Potassium
Q. Which of the following is a hydrogen compound that acts as a reducing agent?
  • A. H2O
  • B. H2S
  • C. HCl
  • D. H2O2
Q. Which of the following is a hydrogen compound?
  • A. H2O
  • B. CO2
  • C. NaCl
  • D. O2
Q. Which of the following is a ketone?
  • A. Propionaldehyde
  • B. Butanal
  • C. Acetone
  • D. Formaldehyde
Q. Which of the following is a lanthanide element?
  • A. Cerium
  • B. Zirconium
  • C. Titanium
  • D. Vanadium
Q. Which of the following is a limitation of Raoult's Law?
  • A. It applies to all solutions.
  • B. It is valid for ideal solutions only.
  • C. It does not consider temperature effects.
  • D. It is applicable to non-volatile solutes only.
Q. Which of the following is a lipid?
  • A. Starch
  • B. Cholesterol
  • C. Cellulose
  • D. Glucose
Q. Which of the following is a longitudinal wave?
  • A. Light wave
  • B. Sound wave
  • C. Water wave
  • D. Radio wave
Q. Which of the following is a major contributor to global warming?
  • A. Ozone
  • B. Methane
  • C. Nitrogen
  • D. Argon
Q. Which of the following is a major contributor to the depletion of the ozone layer?
  • A. Carbon dioxide
  • B. Chlorofluorocarbons (CFCs)
  • C. Methane
  • D. Nitrous oxide
Q. Which of the following is a major source of sulfur dioxide in the atmosphere?
  • A. Volcanic eruptions
  • B. Automobile emissions
  • C. Industrial processes
  • D. All of the above
Q. Which of the following is a measure of the average kinetic energy of particles in a substance?
  • A. Heat
  • B. Temperature
  • C. Thermal energy
  • D. Latent heat
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