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 alkaline earth metal is used in fireworks for producing a red flame?
  • A. Beryllium
  • B. Magnesium
  • C. Calcium
  • D. Strontium
Q. Which alkaline earth metal is used in the production of fireworks?
  • A. Calcium
  • B. Strontium
  • C. Barium
  • D. Magnesium
Q. Which alkane is used as a fuel in lighters?
  • A. Methane
  • B. Ethane
  • C. Butane
  • D. Propane
Q. Which alkane is used as a refrigerant?
  • A. Methane
  • B. Ethane
  • C. Propane
  • D. Butane
Q. Which amine is expected to have the highest boiling point?
  • A. Methylamine
  • B. Ethylamine
  • C. Dimethylamine
  • D. Trimethylamine
Q. Which amine is known for its strong fishy odor?
  • A. Methylamine
  • B. Ethylamine
  • C. Trimethylamine
  • D. Aniline
Q. Which amine is most likely to undergo electrophilic aromatic substitution?
  • A. Aniline
  • B. Methylamine
  • C. Dimethylamine
  • D. Triethylamine
Q. Which amine is most soluble in water?
  • A. Triethylamine
  • B. Methylamine
  • C. Aniline
  • D. Benzylamine
Q. Which amine is used as a local anesthetic?
  • A. Lidocaine
  • B. Aniline
  • C. Methylamine
  • D. Ethylamine
Q. Which amine is used as a solvent in organic reactions?
  • A. Aniline
  • B. Triethylamine
  • C. Methylamine
  • D. Pyridine
Q. Which biomolecule carries genetic information?
  • A. Proteins
  • B. Carbohydrates
  • C. Lipids
  • D. Nucleic acids
Q. Which biomolecule is primarily involved in cell membrane structure?
  • A. Carbohydrates
  • B. Proteins
  • C. Nucleic acids
  • D. Lipids
Q. Which biomolecule is primarily involved in energy transfer within cells?
  • A. DNA
  • B. RNA
  • C. ATP
  • D. Proteins
Q. Which biomolecule is primarily involved in genetic information storage?
  • A. Proteins
  • B. Carbohydrates
  • C. Lipids
  • D. Nucleic acids
Q. Which biomolecule is primarily responsible for energy storage in animals?
  • A. Proteins
  • B. Carbohydrates
  • C. Lipids
  • D. Nucleic acids
Q. Which biomolecule is primarily responsible for storing genetic information?
  • A. Proteins
  • B. Lipids
  • C. Carbohydrates
  • D. Nucleic acids
Q. Which biomolecule is primarily responsible for the genetic information in cells?
  • A. Proteins
  • B. Lipids
  • C. Nucleic acids
  • D. Carbohydrates
Q. Which biomolecule is primarily responsible for the storage of genetic information?
  • A. Proteins
  • B. Lipids
  • C. Nucleic acids
  • D. Carbohydrates
Q. Which biomolecule is primarily responsible for the structure of cell membranes?
  • A. Proteins
  • B. Carbohydrates
  • C. Nucleic acids
  • D. Lipids
Q. Which biomolecule is used for energy storage in animals?
  • A. Glycogen
  • B. Cellulose
  • C. Starch
  • D. Chitin
Q. Which biomolecule is used for quick energy?
  • A. Proteins
  • B. Lipids
  • C. Carbohydrates
  • D. Nucleic acids
Q. Which biomolecule serves as the main component of cell membranes?
  • A. Proteins
  • B. Carbohydrates
  • C. Nucleic acids
  • D. Phospholipids
Q. Which bond is primarily responsible for the secondary structure of proteins?
  • A. Ionic bonds
  • B. Hydrogen bonds
  • C. Disulfide bonds
  • D. Peptide bonds
Q. Which carbohydrate is a structural component of plant cell walls?
  • A. Starch
  • B. Glycogen
  • C. Cellulose
  • D. Fructose
Q. Which carbohydrate is commonly used as a sweetener?
  • A. Lactose
  • B. Maltose
  • C. Fructose
  • D. Cellulose
Q. Which carbohydrate is found in milk?
  • A. Lactose
  • B. Maltose
  • C. Glucose
  • D. Fructose
Q. Which carbohydrate is found in the structure of DNA?
  • A. Glucose
  • B. Ribose
  • C. Fructose
  • D. Mannose
Q. Which carbohydrate is known as blood sugar?
  • A. Galactose
  • B. Fructose
  • C. Glucose
  • D. Ribose
Q. Which carbohydrate is primarily stored in animal liver and muscle?
  • A. Cellulose
  • B. Starch
  • C. Glycogen
  • D. Fructose
Q. Which chemical compound is primarily responsible for ozone depletion?
  • A. CFCs
  • B. CO2
  • C. SO2
  • D. NOx
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