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 acids is a weak acid?
  • A. HCl
  • B. H2SO4
  • C. CH3COOH
  • D. HNO3
Q. Which of the following acids is stronger than acetic acid?
  • A. Formic acid
  • B. Propanoic acid
  • C. Butanoic acid
  • D. Valeric acid
Q. Which of the following acids is the strongest?
  • A. Formic acid
  • B. Acetic acid
  • C. Propanoic acid
  • D. Butanoic acid
Q. Which of the following alcohols has the highest boiling point?
  • A. Methanol
  • B. Ethanol
  • C. Propan-1-ol
  • D. Butan-1-ol
Q. Which of the following alcohols is most acidic?
  • A. Methanol
  • B. Ethanol
  • C. Isopropanol
  • D. Tert-butanol
Q. Which of the following alcohols is the most acidic?
  • A. Methanol
  • B. Ethanol
  • C. Propan-1-ol
  • D. Butan-1-ol
Q. Which of the following alkanes has a branched structure?
  • A. Butane
  • B. Pentane
  • C. Isobutane
  • D. Hexane
Q. Which of the following alkanes has a higher density than water?
  • A. Ethane
  • B. Propane
  • C. Butane
  • D. Pentane
Q. Which of the following alkanes has a molecular weight closest to 72 g/mol?
  • A. C5H12
  • B. C6H14
  • C. C7H16
  • D. C8H18
Q. Which of the following alkanes has the highest boiling point?
  • A. Methane
  • B. Ethane
  • C. Propane
  • D. Butane
Q. Which of the following alkanes has the lowest density?
  • A. Methane
  • B. Ethane
  • C. Propane
  • D. Butane
Q. Which of the following alkanes has the lowest molecular weight?
  • A. Butane
  • B. Propane
  • C. Ethane
  • D. Methane
Q. Which of the following alkanes is a gas at room temperature?
  • A. Hexane
  • B. Octane
  • C. Decane
  • D. Methane
Q. Which of the following alkanes is branched?
  • A. Butane
  • B. Pentane
  • C. Isobutane
  • D. Hexane
Q. Which of the following alkanes is the least branched?
  • A. 2-Methylbutane
  • B. 3-Methylpentane
  • C. Butane
  • D. Hexane
Q. Which of the following alkanes is the least soluble in water?
  • A. Methane
  • B. Ethane
  • C. Propane
  • D. Butane
Q. Which of the following alkenes has the highest boiling point?
  • A. Ethene
  • B. Propene
  • C. Butene
  • D. Pentene
Q. Which of the following alkenes is most likely to undergo electrophilic addition reaction?
  • A. Cyclohexene
  • B. 1,3-butadiene
  • C. 1-hexene
  • D. 2-methylpropene
Q. Which of the following alkenes is most stable?
  • A. 1-Butene
  • B. 2-Butene
  • C. Cyclohexene
  • D. Propene
Q. Which of the following alkenes is the most stable?
  • A. 1-Butene
  • B. 2-Butene
  • C. Cyclohexene
  • D. Isobutylene
Q. Which of the following alkynes is symmetrical?
  • A. 1-butyne
  • B. 2-butyne
  • C. 1-pentyne
  • D. 3-pentyne
Q. Which of the following alkynes is the most acidic?
  • A. Ethylene
  • B. Propyne
  • C. Butyne
  • D. Acetylene
Q. Which of the following alkynes is the most stable?
  • A. 1-butyne
  • B. 2-butyne
  • C. 1-pentyne
  • D. 3-pentyne
Q. Which of the following alkynes is the simplest?
  • A. 1-butyne
  • B. 2-butyne
  • C. Ethyne
  • D. Propyne
Q. Which of the following amines can form hydrogen bonds with water?
  • A. Tertiary amines
  • B. Primary amines
  • C. Secondary amines
  • D. All of the above
Q. Which of the following amines can form hydrogen bonds?
  • A. Tertiary amine
  • B. Primary amine
  • C. Quaternary ammonium
  • D. None of the above
Q. Which of the following amines has the highest boiling point?
  • A. Methylamine
  • B. Ethylamine
  • C. Aniline
  • D. Dimethylamine
Q. Which of the following amines is a strong base?
  • A. Aniline
  • B. Methylamine
  • C. Phenethylamine
  • D. Benzylamine
Q. Which of the following amines is aromatic?
  • A. Ethylamine
  • B. Aniline
  • C. Trimethylamine
  • D. Cyclohexylamine
Q. Which of the following amines is least soluble in water?
  • A. Methylamine
  • B. Ethylamine
  • C. Aniline
  • D. Tert-butylamine
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