Engineering Entrance MCQ & Objective Questions
Preparing for Engineering Entrance exams is crucial for aspiring engineers in India. Mastering MCQs and objective questions not only enhances your understanding of key concepts but also boosts your confidence during exams. Regular practice with these questions helps identify important topics and improves your overall exam preparation.
What You Will Practise Here
Fundamental concepts of Physics and Mathematics
Key formulas and their applications in problem-solving
Important definitions and theorems relevant to engineering
Diagrams and graphical representations for better understanding
Conceptual questions that challenge your critical thinking
Previous years' question papers and their analysis
Time management strategies while solving MCQs
Exam Relevance
The Engineering Entrance syllabus is integral to various examinations like CBSE, State Boards, NEET, and JEE. Questions often focus on core subjects such as Physics, Chemistry, and Mathematics, with formats varying from direct MCQs to application-based problems. Understanding the common question patterns can significantly enhance your performance and help you tackle the exams with ease.
Common Mistakes Students Make
Overlooking the importance of units and dimensions in calculations
Misinterpreting questions due to lack of careful reading
Neglecting to review basic concepts before attempting advanced problems
Rushing through practice questions without thorough understanding
FAQs
Question: What are the best ways to prepare for Engineering Entrance MCQs?Answer: Focus on understanding concepts, practice regularly with objective questions, and review previous years' papers.
Question: How can I improve my speed in solving MCQs?Answer: Regular practice, time-bound mock tests, and familiarizing yourself with common question types can help improve your speed.
Start your journey towards success by solving Engineering Entrance MCQ questions today! Test your understanding and build a strong foundation for your exams.
Q. What type of biomolecule is RNA? (2014)
A.
Protein
B.
Carbohydrate
C.
Nucleic Acid
D.
Lipid
Show solution
Solution
RNA is classified as a nucleic acid, which plays a crucial role in protein synthesis.
Correct Answer:
C
— Nucleic Acid
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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
Show solution
Solution
NaCl is formed by the transfer of an electron from sodium to chlorine, resulting in an ionic bond.
Correct Answer:
B
— Ionic bond
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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
Show solution
Solution
A covalent bond is formed when two atoms share electrons to achieve stability.
Correct Answer:
B
— Covalent bond
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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
Show solution
Solution
A covalent bond is formed when two atoms share electrons to achieve stability.
Correct Answer:
B
— Covalent bond
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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
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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
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Q. What type of bond is present in alkenes?
A.
Single bond
B.
Double bond
C.
Triple bond
D.
Quadruple bond
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Solution
Alkenes contain at least one double bond between carbon atoms.
Correct Answer:
B
— Double bond
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Q. What type of bond is present in O2? (2022)
A.
Single bond
B.
Double bond
C.
Triple bond
D.
Quadruple bond
Show solution
Solution
O2 has a double bond, as two pairs of electrons are shared between the two oxygen atoms.
Correct Answer:
B
— Double bond
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Q. What type of bond is primarily responsible for the strength of polymers?
A.
Ionic bond
B.
Covalent bond
C.
Hydrogen bond
D.
Metallic bond
Show solution
Solution
Covalent bonds are primarily responsible for the strength and stability of polymer chains.
Correct Answer:
B
— Covalent bond
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Q. What type of bond is primarily responsible for the structure of polymers?
A.
Ionic bond
B.
Covalent bond
C.
Hydrogen bond
D.
Metallic bond
Show solution
Solution
Covalent bonds are primarily responsible for the structure of polymers, linking monomers together.
Correct Answer:
B
— Covalent bond
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Q. What type of bond links amino acids together in a protein? (2023) 2023
A.
Ionic bond
B.
Covalent bond
C.
Hydrogen bond
D.
Peptide bond
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Solution
A peptide bond is a specific type of covalent bond that links amino acids together in proteins.
Correct Answer:
D
— Peptide bond
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Q. What type of intermolecular force is present in liquid water? (2021)
A.
London dispersion forces
B.
Dipole-dipole interactions
C.
Hydrogen bonding
D.
Ionic interactions
Show solution
Solution
Liquid water exhibits hydrogen bonding due to the attraction between the hydrogen atoms of one water molecule and the oxygen atom of another.
Correct Answer:
C
— Hydrogen bonding
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Q. What type of mechanism is involved in the reaction of haloalkanes with strong nucleophiles? (2020)
A.
SN1
B.
SN2
C.
E1
D.
E2
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Solution
The reaction of haloalkanes with strong nucleophiles typically follows the SN2 mechanism, which involves a single concerted step.
Correct Answer:
B
— SN2
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Q. What type of mechanism is involved in the reaction of tertiary haloalkanes with nucleophiles? (2020)
A.
SN1
B.
SN2
C.
E1
D.
E2
Show solution
Solution
Tertiary haloalkanes typically undergo the SN1 mechanism, which involves the formation of a carbocation intermediate.
Correct Answer:
A
— SN1
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Q. What type of polymer is nylon?
A.
Addition polymer
B.
Condensation polymer
C.
Natural polymer
D.
Composite polymer
Show solution
Solution
Nylon is a condensation polymer formed from the reaction of diamines and dicarboxylic acids.
Correct Answer:
B
— Condensation polymer
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Q. What type of reaction is involved in the conversion of an alkene to an alkane? (2023)
A.
Hydrogenation
B.
Dehydration
C.
Halogenation
D.
Oxidation
Show solution
Solution
Hydrogenation is the process of adding hydrogen to an alkene to convert it into an alkane.
Correct Answer:
A
— Hydrogenation
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Q. What type of reaction is the conversion of an alkene to an alkane? (2023)
A.
Hydrogenation
B.
Dehydration
C.
Halogenation
D.
Oxidation
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Solution
The conversion of an alkene to an alkane is called hydrogenation, where hydrogen is added across the double bond.
Correct Answer:
A
— Hydrogenation
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Q. What type of reaction occurs when an alkene reacts with hydrogen? (2023) 2023
A.
Hydrolysis
B.
Hydrogenation
C.
Dehydration
D.
Oxidation
Show solution
Solution
The reaction of an alkene with hydrogen is called hydrogenation.
Correct Answer:
B
— Hydrogenation
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Q. What type of reaction occurs when ethene is converted to ethane? (2020)
A.
Hydrogenation
B.
Dehydrogenation
C.
Halogenation
D.
Hydrolysis
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Solution
The conversion of ethene to ethane involves the addition of hydrogen, which is known as hydrogenation.
Correct Answer:
A
— Hydrogenation
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Q. What type of reaction occurs when ethene reacts with bromine?
A.
Substitution
B.
Addition
C.
Elimination
D.
Oxidation
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Solution
The reaction between ethene and bromine is an addition reaction, forming dibromoethane.
Correct Answer:
B
— Addition
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Q. What type of reaction occurs when haloalkanes react with aqueous KOH?
A.
Nucleophilic substitution
B.
Elimination
C.
Addition
D.
Redox
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Solution
Haloalkanes react with aqueous KOH primarily through nucleophilic substitution to form alcohols.
Correct Answer:
A
— Nucleophilic substitution
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Q. What type of reaction occurs when haloalkanes react with metals like magnesium?
A.
Substitution
B.
Elimination
C.
Addition
D.
Grignard formation
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Solution
The reaction of haloalkanes with metals like magnesium leads to Grignard formation, which is a key step in organic synthesis.
Correct Answer:
D
— Grignard formation
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Q. What type of reaction occurs when haloalkanes react with metals like zinc?
A.
Substitution
B.
Elimination
C.
Reduction
D.
Oxidation
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Solution
The reaction of haloalkanes with metals like zinc is a reduction reaction, forming alkanes.
Correct Answer:
C
— Reduction
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Q. What type of reaction occurs when haloalkanes react with nucleophiles? (2020)
A.
Elimination
B.
Substitution
C.
Addition
D.
Redox
Show solution
Solution
Haloalkanes typically undergo nucleophilic substitution reactions where the halogen is replaced by a nucleophile.
Correct Answer:
B
— Substitution
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Q. What type of structure do most natural polymers have?
A.
Linear
B.
Branched
C.
Cross-linked
D.
Network
Show solution
Solution
Most natural polymers, like cellulose, have a linear structure.
Correct Answer:
A
— Linear
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Q. What type of sugar is ribose?
A.
Monosaccharide
B.
Disaccharide
C.
Polysaccharide
D.
Oligosaccharide
Show solution
Solution
Ribose is a monosaccharide, a simple sugar that is a component of RNA.
Correct Answer:
A
— Monosaccharide
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Q. Which alcohol is commonly known as rubbing alcohol?
A.
Ethanol
B.
Isopropanol
C.
Methanol
D.
Butanol
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Solution
Isopropanol, or 2-Propanol, is commonly referred to as rubbing alcohol.
Correct Answer:
B
— Isopropanol
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Q. Which alcohol is used as an antifreeze agent? (2022)
A.
Ethanol
B.
Methanol
C.
Isopropanol
D.
Butanol
Show solution
Solution
Methanol is commonly used as an antifreeze agent due to its low freezing point.
Correct Answer:
B
— Methanol
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Q. Which alcohol is used as an antifreeze? (2022)
A.
Methanol
B.
Ethanol
C.
Isopropanol
D.
Butanol
Show solution
Solution
Methanol is commonly used as an antifreeze due to its low freezing point.
Correct Answer:
A
— Methanol
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Q. Which amine is a strong base due to steric hindrance? (2022)
A.
Methylamine
B.
Ethylamine
C.
Tert-butylamine
D.
Aniline
Show solution
Solution
Tert-butylamine is a strong base due to steric hindrance that prevents protonation, making it more stable.
Correct Answer:
C
— Tert-butylamine
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Q. Which amine is known for its fishy odor?
A.
Methylamine
B.
Ethylamine
C.
Trimethylamine
D.
Aniline
Show solution
Solution
Trimethylamine is known for its strong fishy odor, often associated with decaying fish.
Correct Answer:
C
— Trimethylamine
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