Major Competitive Exams

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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!

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Q. What tone does the author use when discussing the importance of mental health awareness? (2021)

A. Urgent
B. Casual
C. Dismissive
D. Sarcastic

Solution

The author uses an urgent tone to emphasize the critical need for mental health awareness.

Correct Answer: A — Urgent

Q. What trend can be observed from the bar graph regarding the sales of seasonal products?

A. Sales are consistent throughout the year.
B. Sales peak during specific seasons.
C. Sales are declining year over year.
D. Sales are unpredictable.

Solution

The bar graph shows that sales of seasonal products peak during specific seasons, indicating a clear trend.

Correct Answer: B — Sales peak during specific seasons.

Q. What trend can be observed from the line graph regarding the sales of Product B from August to December?

A. Sales remained constant
B. Sales fluctuated significantly
C. Sales increased steadily
D. Sales decreased steadily

Solution

The graph shows a steady increase in sales for Product B from August to December.

Correct Answer: C — Sales increased steadily

Q. What type of adsorption is characterized by a low heat of adsorption, typically less than 40 kJ/mol? (2023)

A. Physisorption
B. Chemisorption
C. Multilayer adsorption
D. Surface reaction

Solution

Physisorption is characterized by a low heat of adsorption, typically less than 40 kJ/mol, due to weak van der Waals forces.

Correct Answer: A — Physisorption

Q. What type of adsorption is characterized by the formation of a chemical bond? (2019)

A. Physisorption
B. Chemisorption
C. Desorption
D. Multilayer adsorption

Solution

Chemisorption is characterized by the formation of a chemical bond between the adsorbate and the surface.

Correct Answer: B — Chemisorption

Q. What type of adsorption is characterized by the formation of strong chemical bonds?

A. Physisorption
B. Chemisorption
C. Desorption
D. Multilayer adsorption

Solution

Chemisorption is characterized by the formation of strong chemical bonds between the adsorbate and the adsorbent.

Correct Answer: B — Chemisorption

Q. What type of adsorption occurs when the adsorbate forms strong chemical bonds with the adsorbent?

A. Physisorption
B. Chemisorption
C. Desorption
D. Sorption

Solution

Chemisorption involves the formation of strong chemical bonds between the adsorbate and the adsorbent.

Correct Answer: B — Chemisorption

Q. What type of alcohol is isopropanol?

A. Primary
B. Secondary
C. Tertiary
D. None of the above

Solution

Isopropanol (2-propanol) is a secondary alcohol, as the hydroxyl group is attached to a carbon that is connected to two other carbons.

Correct Answer: B — Secondary

Q. What type of amine is formed by the reaction of ammonia with an alkyl halide? (2019)

A. Tertiary amine
B. Primary amine
C. Secondary amine
D. Quaternary ammonium salt

Solution

The reaction of ammonia with an alkyl halide primarily forms a primary amine.

Correct Answer: B — Primary amine

Q. What type of amine is formed when ammonia reacts with an alkyl halide? (2022)

A. Primary amine
B. Secondary amine
C. Tertiary amine
D. Quaternary ammonium salt

Solution

The reaction of ammonia with an alkyl halide initially forms a primary amine.

Correct Answer: A — Primary amine

Q. What type of biomolecule are enzymes classified as?

A. Carbohydrates
B. Proteins
C. Lipids
D. Nucleic acids

Solution

Enzymes are primarily proteins that catalyze biochemical reactions.

Correct Answer: B — Proteins

Q. What type of biomolecule are enzymes? (2019)

A. Carbohydrates
B. Proteins
C. Lipids
D. Nucleic acids

Solution

Enzymes are primarily proteins that catalyze biochemical reactions.

Correct Answer: B — Proteins

Q. What type of biomolecule is DNA? (2022)

A. Protein
B. Carbohydrate
C. Lipid
D. Nucleic acid

Solution

DNA is classified as a nucleic acid, which stores and transmits genetic information.

Correct Answer: D — Nucleic acid

Q. What type of biomolecule is insulin?

A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic acid

Solution

Insulin is a protein hormone that regulates glucose levels in the blood.

Correct Answer: C — Protein

Q. What type of biomolecule is RNA? (2014)

A. Protein
B. Carbohydrate
C. Nucleic Acid
D. Lipid

Solution

RNA is classified as a nucleic acid, which plays a crucial role in protein synthesis.

Correct Answer: C — Nucleic Acid

Q. What type of bond forms between the carboxyl group of one amino acid and the amino group of another?

A. Hydrogen bond
B. Ionic bond
C. Peptide bond
D. Disulfide bond

Solution

A peptide bond forms between the carboxyl group of one amino acid and the amino group of another, linking them together in a protein.

Correct Answer: C — Peptide bond

Q. What type of bond is formed between amino acids in a protein?

A. Ionic bond
B. Covalent bond
C. Hydrogen bond
D. Van der Waals forces

Solution

A covalent bond, specifically a peptide bond, is formed between amino acids in a protein.

Correct Answer: B — Covalent bond

Q. What type of bond is formed between sodium (Na) and chlorine (Cl) in NaCl? (2019)

A. Covalent bond
B. Ionic bond
C. Metallic bond
D. Hydrogen bond

Solution

NaCl is formed by the transfer of an electron from sodium to chlorine, resulting in an ionic bond.

Correct Answer: B — Ionic bond

Q. What type of bond is formed between sodium and chlorine in NaCl?

A. Ionic bond
B. Covalent bond
C. Metallic bond
D. Van der Waals bond

Solution

NaCl is formed by an ionic bond due to the transfer of electrons from sodium to chlorine.

Correct Answer: A — Ionic bond

Q. What type of bond is formed between the amino group of one amino acid and the carboxyl group of another?

A. Ionic bond
B. Hydrogen bond
C. Peptide bond
D. Covalent bond

Solution

A peptide bond is formed between the amino group of one amino acid and the carboxyl group of another.

Correct Answer: C — Peptide bond

Q. What type of bond is formed between two atoms that share electrons? (2022)

A. Ionic bond
B. Covalent bond
C. Metallic bond
D. Hydrogen bond

Solution

A covalent bond is formed when two atoms share electrons.

Correct Answer: B — Covalent bond

Q. What type of bond is formed between two metal atoms?

A. Ionic bond
B. Covalent bond
C. Metallic bond
D. Polar bond

Solution

Metallic bonds are formed between metal atoms, characterized by a 'sea of electrons' that are free to move.

Correct Answer: C — Metallic bond

Q. What type of bond is formed when two atoms share electrons? (2023)

A. Ionic bond
B. Covalent bond
C. Metallic bond
D. Hydrogen bond

Solution

A covalent bond is formed when two atoms share electrons to achieve stability.

Correct Answer: B — Covalent bond

Q. What type of bond is formed when two atoms share electrons? (2023) 2023

A. Ionic bond
B. Covalent bond
C. Metallic bond
D. Hydrogen bond

Solution

A covalent bond is formed when two atoms share electrons to achieve stability.

Correct Answer: B — Covalent bond

Q. What type of bond is present in a carbon-carbon double bond?

A. Single bond
B. Double bond
C. Triple bond
D. Quadruple bond

Solution

A carbon-carbon double bond consists of one sigma bond and one pi bond, making it a double bond.

Correct Answer: B — Double bond

Q. What type of bond is present in a saturated hydrocarbon?

A. Double bond
B. Triple bond
C. Single bond
D. Quadruple bond

Solution

Saturated hydrocarbons contain only single bonds between carbon atoms.

Correct Answer: C — Single bond

Q. What type of bond is present in alkenes?

A. Single bond
B. Double bond
C. Triple bond
D. Quadruple bond

Solution

Alkenes contain at least one double bond between carbon atoms.

Correct Answer: B — Double bond

Q. What type of bond is present in alkynes? (2022)

A. Single bond
B. Double bond
C. Triple bond
D. Quadruple bond

Solution

Alkynes contain at least one triple bond between carbon atoms.

Correct Answer: C — Triple bond

Q. What type of bond is present in O2? (2022)

A. Single bond
B. Double bond
C. Triple bond
D. Quadruple bond

Solution

O2 has a double bond, as two pairs of electrons are shared between the two oxygen atoms.

Correct Answer: B — Double bond

Q. What type of bond is primarily found in alkenes? (2023)

A. Single bond
B. Double bond
C. Triple bond
D. Ionic bond

Solution

Alkenes are characterized by the presence of at least one double bond between carbon atoms.

Correct Answer: B — Double bond

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