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 method for preparing aldehydes?
  • A. Hydration of alkynes
  • B. Oxidation of primary alcohols
  • C. Reduction of carboxylic acids
  • D. Dehydration of alcohols
Q. Which of the following is a method for preparing amines?
  • A. Reduction of nitriles
  • B. Hydrolysis of esters
  • C. Dehydration of alcohols
  • D. Oxidation of aldehydes
Q. Which of the following is a method for synthesizing alcohols?
  • A. Hydration of alkenes
  • B. Reduction of aldehydes
  • C. Reduction of ketones
  • D. All of the above
Q. Which of the following is a method for synthesizing aldehydes?
  • A. Hydration of alkynes
  • B. Hydrolysis of esters
  • C. Reduction of carboxylic acids
  • D. Oxidation of primary alcohols
Q. Which of the following is a method for synthesizing amines?
  • A. Reduction of nitriles
  • B. Hydrolysis of amides
  • C. Alkylation of ammonia
  • D. All of the above
Q. Which of the following is a method for synthesizing ethers?
  • A. Dehydration of alcohols
  • B. Hydrogenation of alkenes
  • C. Oxidation of alcohols
  • D. Reduction of ketones
Q. Which of the following is a method for the preparation of alkenes?
  • A. Hydrogenation
  • B. Dehydrohalogenation
  • C. Hydrolysis
  • D. Oxidation
Q. Which of the following is a method for the preparation of amines?
  • A. Reduction of nitriles
  • B. Hydrolysis of amides
  • C. Alkylation of ammonia
  • D. All of the above
Q. Which of the following is a method for the preparation of ethers?
  • A. Dehydration of alcohols
  • B. Hydrolysis of alkyl halides
  • C. Oxidation of alcohols
  • D. Reduction of ketones
Q. Which of the following is a method for the preparation of haloalkanes?
  • A. Hydrohalogenation of alkenes
  • B. Halogenation of alkanes
  • C. Nucleophilic substitution
  • D. All of the above
Q. Which of the following is a method for the synthesis of ketones?
  • A. Oxidation of primary alcohols
  • B. Hydration of alkynes
  • C. Reduction of carboxylic acids
  • D. Dehydration of alcohols
Q. Which of the following is a method of heat transfer?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. All of the above
Q. Which of the following is a method to distinguish between aldehydes and ketones?
  • A. Benedict's test
  • B. Tollens' test
  • C. Iodoform test
  • D. Fehling's test
Q. Which of the following is a method to prepare aldehydes?
  • A. Hydration of alkynes
  • B. Hydrolysis of nitriles
  • C. Oxidation of primary alcohols
  • D. All of the above
Q. Which of the following is a method to prepare haloalkanes?
  • A. Hydrogenation of alkenes
  • B. Halogenation of alkanes
  • C. Dehydrohalogenation
  • D. Hydrolysis of alcohols
Q. Which of the following is a method to reduce air pollution?
  • A. Using public transport
  • B. Burning fossil fuels
  • C. Deforestation
  • D. Increasing industrial emissions
Q. Which of the following is a method to reduce water pollution?
  • A. Using biodegradable materials
  • B. Increasing industrial waste discharge
  • C. Reducing vegetation
  • D. None of the above
Q. Which of the following is a monosaccharide?
  • A. Sucrose
  • B. Lactose
  • C. Glucose
  • D. Starch
Q. Which of the following is a natural polymer?
  • A. Nylon
  • B. Cellulose
  • C. Polystyrene
  • D. Polyethylene
Q. Which of the following is a natural source of caffeine?
  • A. Tea leaves
  • B. Sugar cane
  • C. Corn
  • D. Rice
Q. Which of the following is a natural sweetener derived from plants?
  • A. Aspartame
  • B. Stevia
  • C. Saccharin
  • D. Sucralose
Q. Which of the following is a natural sweetener?
  • A. Aspartame
  • B. Sucralose
  • C. Stevia
  • D. Saccharin
Q. Which of the following is a necessary condition for a function to be continuous at a point?
  • A. The function must be defined at that point
  • B. The function must be differentiable at that point
  • C. The function must be bounded
  • D. The function must be increasing
Q. Which of the following is a necessary condition for f(x) to be continuous at x = a?
  • A. f(a) exists
  • B. lim x->a f(x) exists
  • C. lim x->a f(x) = f(a)
  • D. All of the above
Q. Which of the following is a noble gas?
  • A. Neon
  • B. Argon
  • C. Krypton
  • D. All of the above
Q. Which of the following is a non-Newtonian fluid?
  • A. Water
  • B. Glycerin
  • C. Cornstarch in water
  • D. Mercury
Q. Which of the following is a non-renewable resource?
  • A. Wind Energy
  • B. Natural Gas
  • C. Hydropower
  • D. Geothermal Energy
Q. Which of the following is a one-to-one function?
  • A. f(x) = x^2
  • B. f(x) = 2x + 3
  • C. f(x) = sin(x)
  • D. f(x) = e^x
Q. Which of the following is a polysaccharide?
  • A. Glucose
  • B. Fructose
  • C. Cellulose
  • D. Galactose
Q. Which of the following is a practical application of diffraction?
  • A. Optical instruments
  • B. Radio transmission
  • C. Medical imaging
  • D. All of the above
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