Undergraduate MCQ & Objective Questions
The undergraduate level is a crucial phase in a student's academic journey, especially for those preparing for school and competitive exams. Mastering this stage can significantly enhance your understanding and retention of key concepts. Practicing MCQs and objective questions is essential, as it not only helps in reinforcing knowledge but also boosts your confidence in tackling important questions during exams.
What You Will Practise Here
Fundamental concepts in Mathematics and Science
Key definitions and theories across various subjects
Important formulas and their applications
Diagrams and graphical representations
Critical thinking and problem-solving techniques
Subject-specific MCQs designed for competitive exams
Revision of essential topics for better retention
Exam Relevance
Undergraduate topics are integral to various examinations such as CBSE, State Boards, NEET, and JEE. These subjects often feature a mix of conceptual and application-based questions. Common patterns include multiple-choice questions that assess both theoretical knowledge and practical application, making it vital for students to be well-versed in undergraduate concepts.
Common Mistakes Students Make
Overlooking the importance of understanding concepts rather than rote memorization
Misinterpreting questions due to lack of careful reading
Neglecting to practice numerical problems that require application of formulas
Failing to review mistakes made in previous practice tests
FAQs
Question: What are some effective strategies for solving undergraduate MCQ questions?Answer: Focus on understanding the concepts, practice regularly, and review your answers to learn from mistakes.
Question: How can I improve my speed in answering objective questions?Answer: Time yourself while practicing and gradually increase the number of questions you attempt in a set time.
Start your journey towards mastering undergraduate subjects today! Solve practice MCQs and test your understanding to ensure you are well-prepared for your exams. Your success is just a question away!
Q. What is the probability of flipping a coin and getting heads? (2023)
A.
1/2
B.
1/3
C.
1/4
D.
1
Show solution
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 obtaining a homozygous recessive offspring from a cross between two heterozygous parents? (2022)
A.
0%
B.
25%
C.
50%
D.
75%
Show solution
Solution
The probability of obtaining a homozygous recessive offspring (aa) from a cross between two heterozygous parents (Aa x Aa) is 25%.
Correct Answer:
B
— 25%
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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
Show solution
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 by which DNA is copied to produce an identical molecule? (2020)
A.
Transcription
B.
Translation
C.
Replication
D.
Recombination
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Solution
Replication is the process by which DNA is copied to produce an identical molecule, ensuring genetic continuity.
Correct Answer:
C
— Replication
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Q. What is the process by which DNA is copied to produce two identical DNA molecules? (2021)
A.
Transcription
B.
Translation
C.
Replication
D.
Recombination
Show solution
Solution
Replication is the process by which DNA is copied to produce two identical DNA molecules.
Correct Answer:
C
— Replication
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Q. What is the process by which DNA is copied? (2021)
A.
Transcription
B.
Translation
C.
Replication
D.
Recombination
Show solution
Solution
Replication is the process by which DNA is copied to produce two identical DNA molecules.
Correct Answer:
C
— Replication
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Q. What is the process by which energy is transferred from one trophic level to another? (2020)
A.
Photosynthesis
B.
Respiration
C.
Food chain
D.
Decomposition
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Solution
The food chain illustrates how energy is transferred from one trophic level to another in an ecosystem.
Correct Answer:
C
— Food chain
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Q. What is the process by which nutrients are recycled in an ecosystem? (2020)
A.
Photosynthesis
B.
Decomposition
C.
Respiration
D.
Transpiration
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Solution
Decomposition is the process by which nutrients are recycled in an ecosystem, breaking down dead organic matter.
Correct Answer:
B
— Decomposition
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Q. What is the process called when a gas turns into a liquid? (2022)
A.
Sublimation
B.
Condensation
C.
Evaporation
D.
Freezing
Show solution
Solution
Condensation is the process where a gas turns into a liquid.
Correct Answer:
B
— Condensation
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Q. What is the process called when a nucleus emits an alpha particle? (2019)
A.
Beta decay
B.
Gamma decay
C.
Alpha decay
D.
Fission
Show solution
Solution
The emission of an alpha particle from a nucleus is known as alpha decay.
Correct Answer:
C
— Alpha decay
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Q. What is the process called when heat is transferred through a fluid? (2019)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
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Solution
Convection is the process of heat transfer through a fluid (liquid or gas) due to the movement of the fluid itself.
Correct Answer:
B
— Convection
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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 converting a neutron into a proton called? (2020)
A.
Beta decay
B.
Alpha decay
C.
Gamma decay
D.
Fission
Show solution
Solution
Beta decay is the process in which a neutron is converted into a proton, emitting an electron and an antineutrino.
Correct Answer:
A
— Beta decay
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Q. What is the process of forming a polymer from monomers called?
A.
Polymerization
B.
Condensation
C.
Sublimation
D.
Depolymerization
Show solution
Solution
The process of forming a polymer from monomers is called polymerization.
Correct Answer:
A
— Polymerization
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Q. What is the process of fusion of male and female gametes called? (2019)
A.
Pollination
B.
Fertilization
C.
Germination
D.
Transpiration
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Solution
The process of fusion of male and female gametes is called fertilization.
Correct Answer:
B
— Fertilization
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Q. What is the process of heat transfer through a fluid due to density differences called? (2023)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through a fluid due to density differences is called convection.
Correct Answer:
B
— Convection
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Q. What is the process of heat transfer through direct contact called? (2022)
A.
Convection
B.
Conduction
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through direct contact is called conduction.
Correct Answer:
B
— Conduction
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Q. What is the process of heat transfer through fluid motion called? (2022)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through fluid motion is called convection.
Correct Answer:
B
— Convection
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Q. What is the process of heat transfer through the movement of fluids called? (2022)
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
Show solution
Solution
The process of heat transfer through the movement of fluids is called convection.
Correct Answer:
B
— Convection
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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
Show solution
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
Show solution
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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