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. Which of the following is a saturated fatty acid?
A.
Oleic acid
B.
Stearic acid
C.
Linoleic acid
D.
Palmitoleic acid
Show solution
Solution
Stearic acid is a saturated fatty acid, meaning it has no double bonds between carbon atoms.
Correct Answer:
B
— Stearic acid
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Q. Which of the following is a saturated hydrocarbon?
A.
Ethylene
B.
Acetylene
C.
Cyclohexane
D.
Benzene
Show solution
Solution
Cyclohexane is a saturated hydrocarbon, containing only single bonds.
Correct Answer:
C
— Cyclohexane
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Q. Which of the following is a secondary alcohol? (2021) 2021
A.
1-Pentanol
B.
2-Pentanol
C.
Cyclopentanol
D.
3-Pentanol
Show solution
Solution
2-Pentanol has the hydroxyl group attached to a secondary carbon, making it a secondary alcohol.
Correct Answer:
B
— 2-Pentanol
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Q. Which of the following is a strong acid? (2021) 2021
A.
HCl
B.
CH3COOH
C.
H2CO3
D.
NH3
Show solution
Solution
Hydrochloric acid (HCl) is a strong acid that completely dissociates in water.
Correct Answer:
A
— HCl
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Q. Which of the following is a strong acid? (2023) 2023
A.
Acetic acid
B.
Citric acid
C.
Hydrochloric acid
D.
Carbonic acid
Show solution
Solution
Hydrochloric acid (HCl) is a strong acid.
Correct Answer:
C
— Hydrochloric acid
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Q. Which of the following is a strong carboxylic acid?
A.
Formic acid
B.
Acetic acid
C.
Propanoic acid
D.
Butyric acid
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Solution
Formic acid is considered a stronger carboxylic acid compared to the others listed.
Correct Answer:
A
— Formic acid
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Q. Which of the following is a synthetic polymer?
A.
Rubber
B.
Silk
C.
Wool
D.
Polyvinyl chloride
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Solution
Polyvinyl chloride (PVC) is a synthetic polymer commonly used in construction and plumbing.
Correct Answer:
D
— Polyvinyl chloride
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Q. Which of the following is a thermosetting polymer?
A.
Polyethylene
B.
Polystyrene
C.
Bakelite
D.
PVC
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Solution
Bakelite is a thermosetting polymer, while the others are thermoplastics.
Correct Answer:
C
— Bakelite
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Q. Which of the following is an example of a colligative property? (2021)
A.
Boiling point elevation
B.
Density
C.
Color
D.
pH
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Solution
Colligative properties depend on the number of solute particles in a solution, and boiling point elevation is one such property.
Correct Answer:
A
— Boiling point elevation
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Q. Which of the following is an example of a condensation polymer? (2023)
A.
Polyethylene
B.
Nylon-6,6
C.
Polystyrene
D.
Polyvinyl chloride
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Solution
Nylon-6,6 is a condensation polymer formed by the reaction of hexamethylenediamine and adipic acid.
Correct Answer:
B
— Nylon-6,6
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Q. Which of the following is an example of a lyophilic colloid? (2021)
A.
Starch in water
B.
Smoke in air
C.
Milk
D.
Dust in air
Show solution
Solution
Starch in water is a lyophilic colloid as it has a strong affinity for the solvent.
Correct Answer:
A
— Starch in water
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Q. Which of the following is an example of a plasma? (2023)
A.
Ice
B.
Water
C.
Steam
D.
Lightning
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Solution
Lightning is an example of plasma, which is a state of matter consisting of ionized gas with free electrons.
Correct Answer:
D
— Lightning
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Q. Which of the following is an example of a substance in the plasma state? (2023)
A.
Water
B.
Oxygen gas
C.
Lightning
D.
Ice
Show solution
Solution
Plasma is a state of matter where gases are energized until atomic electrons are no longer associated with the nucleus, as seen in lightning.
Correct Answer:
C
— Lightning
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Q. Which of the following is an example of an alkane? (2023)
A.
C2H4
B.
C3H8
C.
C4H6
D.
C5H10
Show solution
Solution
Alkanes are saturated hydrocarbons with the general formula CnH2n+2. C3H8 (propane) fits this formula.
Correct Answer:
B
— C3H8
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Q. Which of the following is an example of an alkene? (2023)
A.
Ethane
B.
Propene
C.
Butane
D.
Cyclohexane
Show solution
Solution
Propene is an alkene, characterized by a carbon-carbon double bond.
Correct Answer:
B
— Propene
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Q. Which of the following is an example of an alkene? (2023) 2023
A.
Ethane
B.
Propene
C.
Butane
D.
Cyclohexane
Show solution
Solution
Propene is an alkene, characterized by a carbon-carbon double bond.
Correct Answer:
B
— Propene
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Q. Which of the following is an example of an alkyne?
A.
Ethane
B.
Propene
C.
Butyne
D.
Benzene
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Solution
Butyne is an alkyne, characterized by a triple bond between carbon atoms.
Correct Answer:
C
— Butyne
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Q. Which of the following is an example of physisorption? (2021) 2021
A.
Adsorption of hydrogen on palladium
B.
Adsorption of water on silica gel
C.
Adsorption of oxygen on activated charcoal
D.
Adsorption of ammonia on copper
Show solution
Solution
Physisorption involves weak Van der Waals forces, and the adsorption of water on silica gel is a classic example of this type of adsorption.
Correct Answer:
B
— Adsorption of water on silica gel
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Q. Which of the following is not a characteristic of p-block elements? (2021)
A.
Form covalent bonds
B.
Have high electronegativity
C.
Are all metals
D.
Can form multiple oxidation states
Show solution
Solution
Not all p-block elements are metals; many are nonmetals and metalloids.
Correct Answer:
C
— Are all metals
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Q. Which of the following is NOT a characteristic of solids? (2023)
A.
Definite shape
B.
Definite volume
C.
High compressibility
D.
Low kinetic energy
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Solution
Solids are not highly compressible; they have a definite shape and volume, and their particles vibrate in fixed positions.
Correct Answer:
C
— High compressibility
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Q. Which of the following is not a property of transition metals?
A.
Catalytic activity
B.
Formation of complex ions
C.
High ionization energy
D.
Low density
Show solution
Solution
Transition metals generally have high density, not low density.
Correct Answer:
D
— Low density
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Q. Which of the following is the conjugate of the complex number 2 - 3i? (2020)
A.
2 + 3i
B.
2 - 3i
C.
3 - 2i
D.
3 + 2i
Show solution
Solution
The conjugate of a complex number a + bi is a - bi. Thus, the conjugate of 2 - 3i is 2 + 3i.
Correct Answer:
A
— 2 + 3i
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Q. Which of the following is the conjugate of the complex number 5 - 3i? (2020)
A.
5 + 3i
B.
5 - 3i
C.
-5 + 3i
D.
-5 - 3i
Show solution
Solution
The conjugate of a complex number a + bi is a - bi. Thus, the conjugate of 5 - 3i is 5 + 3i.
Correct Answer:
A
— 5 + 3i
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Q. Which of the following is the correct dimensional formula for acceleration? (2022)
A.
[M^0 L^1 T^-2]
B.
[M^1 L^0 T^-2]
C.
[M^1 L^1 T^-1]
D.
[M^0 L^0 T^-2]
Show solution
Solution
Acceleration is defined as the change in velocity per unit time, so its dimensional formula is [M^0 L^1 T^-2].
Correct Answer:
A
— [M^0 L^1 T^-2]
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Q. Which of the following is the correct dimensional formula for energy? (2023)
A.
[M^1 L^2 T^-2]
B.
[M^1 L^1 T^-1]
C.
[M^0 L^2 T^-1]
D.
[M^2 L^1 T^-2]
Show solution
Solution
Energy has the dimensional formula [M^1 L^2 T^-2], as it is defined as work done, which is force times distance.
Correct Answer:
A
— [M^1 L^2 T^-2]
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Q. Which of the following is the correct dimensional formula for frequency? (2021)
A.
[M^0 L^0 T^-1]
B.
[M^0 L^1 T^-1]
C.
[M^1 L^0 T^-1]
D.
[M^0 L^0 T^1]
Show solution
Solution
Frequency has the dimensional formula [M^0 L^0 T^-1].
Correct Answer:
A
— [M^0 L^0 T^-1]
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Q. Which of the following is the functional group of aldehydes? (2023) 2023
A.
-CHO
B.
-CO-
C.
-C=O
D.
-OH
Show solution
Solution
Aldehydes contain the functional group -CHO, which is characterized by a carbonyl group (C=O) bonded to a hydrogen atom.
Correct Answer:
A
— -CHO
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Q. Which of the following is the most acidic among the following oxides? (2019)
A.
SO2
B.
P2O5
C.
CO2
D.
N2O5
Show solution
Solution
P2O5 is the most acidic oxide among the given options, as it forms phosphoric acid in water.
Correct Answer:
B
— P2O5
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Q. Which of the following is the strongest carboxylic acid? (2022)
A.
Formic acid
B.
Acetic acid
C.
Propanoic acid
D.
Butanoic acid
Show solution
Solution
Formic acid (HCOOH) is the strongest carboxylic acid among the given options due to the presence of a hydrogen atom directly attached to the carbonyl carbon, which increases its acidity.
Correct Answer:
A
— Formic acid
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Q. Which of the following is the unit of pressure? (2023)
A.
Newton
B.
Pascal
C.
Joule
D.
Watt
Show solution
Solution
The unit of pressure is Pascal (Pa), which is equivalent to N/m².
Correct Answer:
B
— Pascal
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