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Major Competitive Exams

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Major Competitive Exams MCQ & Objective Questions

Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.

What You Will Practise Here

  • Key concepts and theories related to major subjects
  • Important formulas and their applications
  • Definitions of critical terms and terminologies
  • Diagrams and illustrations to enhance understanding
  • Practice questions that mirror actual exam patterns
  • Strategies for solving objective questions efficiently
  • Time management techniques for competitive exams

Exam Relevance

The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.

Common Mistakes Students Make

  • Rushing through questions without reading them carefully
  • Overlooking the negative marking scheme in MCQs
  • Confusing similar concepts or terms
  • Neglecting to review previous years’ question papers
  • Failing to manage time effectively during the exam

FAQs

Question: How can I improve my performance in Major Competitive Exams?
Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.

Question: What types of questions should I focus on for these exams?
Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.

Question: Are there specific strategies for tackling objective questions?
Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.

Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!

Q. What is the main product of the reaction of 1-bromo-2-methylpropane with KOH in ethanol? (2020)
  • A. 2-methylpropene
  • B. 2-methylpropan-1-ol
  • C. 1-bromo-2-methylpropane
  • D. 2-bromo-2-methylpropane
Q. What is the main product of the reaction of 1-chloropropane with magnesium in dry ether?
  • A. Propane
  • B. Grignard reagent
  • C. Propyl chloride
  • D. Magnesium chloride
Q. What is the main product of the reaction of benzene with bromine in the presence of FeBr3?
  • A. Bromobenzene
  • B. Benzyl bromide
  • C. Bromobenzyl alcohol
  • D. Benzene remains unchanged
Q. What is the main product of the reaction of ethene with ozone followed by zinc reduction?
  • A. Acetaldehyde
  • B. Ethylene glycol
  • C. Acetic acid
  • D. Ethane
Q. What is the main product of the thermal decomposition of ammonium dichromate? (2023)
  • A. Cr2O3
  • B. CrO3
  • C. Cr
  • D. NH3
Q. What is the main product of the thermal decomposition of calcium carbonate (CaCO3)? (2019)
  • A. Calcium oxide (CaO)
  • B. Carbon dioxide (CO2)
  • C. Calcium hydroxide (Ca(OH)2)
  • D. Calcium carbide (CaC2)
Q. What is the main product of the thermal decomposition of calcium carbonate?
  • A. Calcium oxide
  • B. Calcium hydroxide
  • C. Carbon dioxide
  • D. Calcium bicarbonate
Q. What is the main product when 1-bromobutane reacts with sodium hydroxide in ethanol? (2021)
  • A. Butanol
  • B. Butene
  • C. Sodium bromide
  • D. Butyric acid
Q. What is the main product when 1-bromopropane is treated with alcoholic KOH? (2021)
  • A. Propene
  • B. 1-propanol
  • C. 2-propanol
  • D. Bromopropane
Q. What is the main product when 1-bromopropane is treated with aqueous KOH?
  • A. Propene
  • B. 1-propanol
  • C. 2-propanol
  • D. No reaction
Q. What is the main product when 1-bromopropane is treated with magnesium in dry ether? (2019)
  • A. Propane
  • B. Grignard reagent
  • C. Bromopropane
  • D. Propyl alcohol
Q. What is the main product when 1-bromopropane reacts with magnesium in dry ether?
  • A. Propylmagnesium bromide
  • B. Propane
  • C. Magnesium bromide
  • D. Propan-1-ol
Q. What is the main product when 1-butanol is oxidized?
  • A. Butanal
  • B. Butanoic acid
  • C. Butene
  • D. Butyne
Q. What is the main product when 1-butene undergoes hydroboration-oxidation?
  • A. Butanol
  • B. Butanal
  • C. Butyric acid
  • D. Butene
Q. What is the main product when 1-butyne is treated with HBr?
  • A. 1-bromobutane
  • B. 2-bromobutane
  • C. 1,2-dibromobutane
  • D. No reaction
Q. What is the main product when 1-chloropropane is treated with alcoholic KOH? (2019)
  • A. Propene
  • B. Propan-1-ol
  • C. Propan-2-ol
  • D. Chloropropane
Q. What is the main product when 1-chloropropane is treated with aqueous KOH? (2019)
  • A. Propene
  • B. Propan-1-ol
  • C. Propan-2-ol
  • D. Chloropropane
Q. What is the main product when 1-chloropropane is treated with excess alcoholic KOH? (2020)
  • A. Propene
  • B. 1-Propanol
  • C. 2-Propanol
  • D. Chloropropane
Q. What is the main product when 1-chloropropane is treated with magnesium in dry ether?
  • A. Propane
  • B. Propylmagnesium chloride
  • C. Cyclopropane
  • D. Chloromagnesium propyl
Q. What is the main product when 2-butyne is treated with excess H2 in the presence of a catalyst?
  • A. 1-butyne
  • B. Butane
  • C. 2-butyne
  • D. Ethyne
Q. What is the main product when 2-butyne undergoes hydroboration-oxidation?
  • A. Butanol
  • B. Butanal
  • C. Butyric acid
  • D. Butene
Q. What is the main product when a carboxylic acid is reduced?
  • A. Alcohol
  • B. Aldehyde
  • C. Ketone
  • D. Alkane
Q. What is the main product when aluminum reacts with hydrochloric acid? (2023)
  • A. AlCl3
  • B. H2
  • C. Al(OH)3
  • D. Al2Cl6
Q. What is the main product when an alcohol is dehydrated?
  • A. Alkene
  • B. Alkane
  • C. Ether
  • D. Aldehyde
Q. What is the main product when an alcohol is oxidized with potassium dichromate?
  • A. Aldehyde
  • B. Ketone
  • C. Carboxylic acid
  • D. All of the above
Q. What is the main product when an alcohol is oxidized?
  • A. Alkane
  • B. Aldehyde
  • C. Ketone
  • D. Carboxylic acid
Q. What is the main product when an alcohol undergoes dehydration?
  • A. Alkane
  • B. Alkene
  • C. Alkyne
  • D. Ether
Q. What is the main product when an aldehyde is treated with sodium bisulfite? (2019)
  • A. Aldol
  • B. Bisulfite adduct
  • C. Hydrocarbon
  • D. Alcohol
Q. What is the main product when an aldehyde reacts with a Grignard reagent?
  • A. Alcohol
  • B. Ketone
  • C. Carboxylic acid
  • D. Alkane
Q. What is the main product when an alkene undergoes hydrohalogenation?
  • A. Alcohol
  • B. Haloalkane
  • C. Alkane
  • D. Alkyl halide
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