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 is the probability of flipping a coin and getting heads? (2023)
A.
1/2
B.
1/3
C.
1/4
D.
1
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Solution
There are 2 outcomes: heads or tails. Probability of heads = 1/2.
Correct Answer:
A
— 1/2
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Q. What is the probability of rolling a sum of 7 with two dice?
A.
1/6
B.
1/12
C.
1/36
D.
5/36
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Solution
Possible combinations for sum of 7 = (1,6), (2,5), (3,4), (4,3), (5,2), (6,1) = 6. Total outcomes = 36. Probability = 6/36 = 1/6.
Correct Answer:
D
— 5/36
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Q. What is the process of a solid turning directly into a gas called? (2021)
A.
Condensation
B.
Sublimation
C.
Evaporation
D.
Deposition
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Solution
The process of a solid turning directly into a gas is called sublimation.
Correct Answer:
B
— Sublimation
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Q. What is the process of forming a polymer from monomers called?
A.
Polymerization
B.
Condensation
C.
Sublimation
D.
Depolymerization
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Solution
The process of forming a polymer from monomers is called polymerization.
Correct Answer:
A
— Polymerization
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Q. What is the product formed when 1-bromopropane reacts with sodium hydroxide in ethanol? (2021)
A.
Propene
B.
1-Propanol
C.
2-Propanol
D.
Bromopropane
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Solution
1-bromopropane reacts with sodium hydroxide in ethanol to form 1-propanol through a nucleophilic substitution reaction.
Correct Answer:
B
— 1-Propanol
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Q. What is the product of 6 and 7? (2014)
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Q. What is the product of 8 and 7? (2014)
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Q. What is the product of 9 and 6? (2016)
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Q. What is the product of 9 and 7? (2016)
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Q. What is the product of electrolysis of water?
A.
Hydrogen and Oxygen
B.
Hydrogen and Carbon
C.
Oxygen and Nitrogen
D.
Hydrogen and Chlorine
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Solution
The products of electrolysis of water are hydrogen and oxygen.
Correct Answer:
A
— Hydrogen and Oxygen
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Q. What is the product of the complete combustion of propane?
A.
CO2 and H2O
B.
CO and H2O
C.
C and H2
D.
C2H4
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Solution
The complete combustion of propane produces carbon dioxide (CO2) and water (H2O).
Correct Answer:
A
— CO2 and H2O
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Q. What is the product of the complex numbers (1 + i) and (1 - i)? (2023) 2023
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Solution
(1 + i)(1 - i) = 1^2 - i^2 = 1 - (-1) = 2.
Correct Answer:
A
— 2
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Q. What is the product of the complex numbers 2 + 3i and 4 - i? (2021)
A.
11 + 10i
B.
14 + 5i
C.
5 + 10i
D.
10 + 5i
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Solution
(2 + 3i)(4 - i) = 8 - 2i + 12i - 3i^2 = 8 + 10i + 3 = 11 + 10i.
Correct Answer:
A
— 11 + 10i
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Q. What is the product of the oxidation of 2-Propanol? (2022)
A.
Acetone
B.
Ethanol
C.
Propanoic acid
D.
Methanol
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Solution
2-Propanol oxidizes to form Acetone, which is a ketone.
Correct Answer:
A
— Acetone
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Q. What is the product of the oxidation of a primary alcohol? (2020) 2020
A.
Aldehyde
B.
Ketone
C.
Carboxylic acid
D.
Alkene
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Solution
The oxidation of a primary alcohol first produces an aldehyde, which can further oxidize to a carboxylic acid.
Correct Answer:
A
— Aldehyde
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Q. What is the product of the oxidation of a primary alcohol? (2023) 2023
A.
Aldehyde
B.
Ketone
C.
Carboxylic acid
D.
Alkane
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Solution
The oxidation of a primary alcohol results in the formation of an aldehyde.
Correct Answer:
A
— Aldehyde
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Q. What is the product of the oxidation of a secondary alcohol? (2021)
A.
Aldehyde
B.
Ketone
C.
Carboxylic acid
D.
Alcohol
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Solution
Secondary alcohols are oxidized to ketones, which contain a carbonyl group (C=O) flanked by two carbon atoms.
Correct Answer:
B
— Ketone
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Q. What is the product of the oxidation of ethanol?
A.
Acetic acid
B.
Methanol
C.
Butanoic acid
D.
Propanoic acid
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Solution
Ethanol oxidizes to acetic acid when reacted with an oxidizing agent.
Correct Answer:
A
— Acetic acid
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Q. What is the product of the oxidation of propan-2-ol?
A.
Propanal
B.
Acetone
C.
Propanoic acid
D.
Butan-2-one
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Solution
Propan-2-ol oxidizes to form Acetone (CH3COCH3).
Correct Answer:
B
— Acetone
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Q. What is the product of the reaction between 1-bromobutane and sodium hydroxide in ethanol? (2021)
A.
Butanol
B.
Butyl bromide
C.
Butyl ether
D.
Butyric acid
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Solution
The reaction of 1-bromobutane with sodium hydroxide in ethanol leads to the formation of butanol through nucleophilic substitution.
Correct Answer:
A
— Butanol
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Q. What is the product of the reaction between 1-bromopropane and sodium hydroxide in ethanol?
A.
Propene
B.
1-Propanol
C.
2-Propanol
D.
No reaction
Show solution
Solution
1-bromopropane reacts with sodium hydroxide in ethanol to form 1-Propanol via nucleophilic substitution.
Correct Answer:
B
— 1-Propanol
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Q. What is the product of the reaction between ammonia and ethyl bromide?
A.
Ethylamine
B.
Diethylamine
C.
Triethylamine
D.
Ammonium bromide
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Solution
The reaction produces Ethylamine as ammonia acts as a nucleophile and replaces the bromine atom.
Correct Answer:
A
— Ethylamine
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Q. What is the product of the reaction between an amine and an acid?
A.
Amide
B.
Salt
C.
Ester
D.
Alcohol
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Solution
The reaction between an amine and an acid produces a salt, as the amine acts as a base and accepts a proton from the acid.
Correct Answer:
B
— Salt
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Q. What is the product of the reaction between benzaldehyde and phenylmagnesium bromide?
A.
Benzyl alcohol
B.
Benzophenone
C.
Diphenylmethanol
D.
Benzene
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Solution
The reaction produces Diphenylmethanol when benzaldehyde reacts with phenylmagnesium bromide.
Correct Answer:
C
— Diphenylmethanol
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Q. What is the product of the reduction of Cr2O7^2- in acidic medium?
A.
CrO4^2-
B.
Cr^3+
C.
CrO3
D.
CrO2
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Solution
In acidic medium, Cr2O7^2- is reduced to Cr^3+.
Correct Answer:
B
— Cr^3+
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Q. What is the product of the roots of the equation 2x² - 8x + 6 = 0? (2022)
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Solution
The product of the roots is given by c/a = 6/2 = 3.
Correct Answer:
A
— 3
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Q. What is the product of the roots of the equation 3x² - 12x + 9 = 0? (2022)
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Solution
The product of the roots is given by c/a = 9/3 = 3.
Correct Answer:
B
— 3
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Q. What is the product of the roots of the equation 3x² - 6x + 2 = 0? (2023)
A.
1/3
B.
2/3
C.
1/2
D.
1
Show solution
Solution
The product of the roots is given by c/a = 2/3.
Correct Answer:
B
— 2/3
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Q. What is the product of the roots of the equation x^2 - 5x + 6 = 0? (2014) 2014
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Solution
The product of the roots is c/a = 6/1 = 6.
Correct Answer:
A
— 6
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Q. What is the product of the roots of the equation x² + 5x + 6 = 0? (2022)
Show solution
Solution
The product of the roots is given by c/a = 6/1 = 6.
Correct Answer:
A
— 6
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