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. Which of the following is an example of a saturated hydrocarbon? (2023)
A.
Ethylene
B.
Propylene
C.
Butane
D.
Benzene
Show solution
Solution
Butane is a saturated hydrocarbon, meaning it contains only single bonds between carbon atoms.
Correct Answer:
C
— Butane
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Q. Which of the following is an example of a scalar quantity? (2023)
A.
Velocity
B.
Force
C.
Mass
D.
Acceleration
Show solution
Solution
Mass is a scalar quantity as it has magnitude but no direction.
Correct Answer:
C
— Mass
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Q. Which of the following is an example of a sex-linked trait? (2019)
A.
Color blindness
B.
Height
C.
Seed shape
D.
Flower color
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Solution
Color blindness is a sex-linked trait, primarily located on the X chromosome, affecting males more frequently than females.
Correct Answer:
A
— Color blindness
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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
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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 a tertiary consumer? (2023)
A.
Grass
B.
Rabbit
C.
Fox
D.
Eagle
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Solution
An eagle is an example of a tertiary consumer as it feeds on secondary consumers like foxes.
Correct Answer:
D
— Eagle
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Q. Which of the following is an example of a transverse wave? (2023)
A.
Sound wave
B.
Water wave
C.
Light wave
D.
Seismic P-wave
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Solution
Light waves are electromagnetic waves and are an example of transverse waves, where the oscillations are perpendicular to the direction of wave travel.
Correct Answer:
C
— Light wave
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Q. Which of the following is an example of a vestigial structure? (2021)
A.
Human appendix
B.
Whale flippers
C.
Bird wings
D.
Insect wings
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Solution
The human appendix is considered a vestigial structure, as it has lost its original function over the course of evolution.
Correct Answer:
A
— Human appendix
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Q. Which of the following is an example of adaptive radiation? (1970)
A.
The evolution of different species of finches in the Galapagos Islands
B.
The development of antibiotic resistance in bacteria
C.
The color variations in peppered moths
D.
The fossil record of horses
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Solution
Adaptive radiation refers to the rapid evolution of diversely adapted species from a common ancestor, exemplified by the finches in the Galapagos Islands.
Correct Answer:
A
— The evolution of different species of finches in the Galapagos Islands
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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 an endothermic process? (2021)
A.
Combustion of gasoline
B.
Dissolving ammonium nitrate in water
C.
Respiration
D.
Condensation of steam
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Solution
Dissolving ammonium nitrate in water absorbs heat, making it an endothermic process.
Correct Answer:
B
— Dissolving ammonium nitrate in water
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Q. Which of the following is an example of an insulator? (2019)
A.
Copper
B.
Aluminum
C.
Rubber
D.
Iron
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Solution
Rubber is an example of an insulator.
Correct Answer:
C
— Rubber
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Q. Which of the following is an example of an invasive species? (2023)
A.
Bamboo
B.
Bison
C.
Cane toad
D.
Red fox
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Solution
The cane toad is an example of an invasive species that disrupts local ecosystems.
Correct Answer:
C
— Cane toad
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Q. Which of the following is an example of an oxidation reaction? (2020)
A.
2H2 + O2 → 2H2O
B.
C + O2 → CO2
C.
Fe + CuSO4 → FeSO4 + Cu
D.
Na + Cl2 → NaCl
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Solution
In the reaction C + O2 → CO2, carbon is oxidized as it loses electrons to form CO2.
Correct Answer:
B
— C + O2 → CO2
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Q. Which of the following is an example of artificial selection? (1995)
A.
Pesticide resistance in insects
B.
Dog breeding
C.
Peppered moth color variation
D.
Antibiotic resistance in bacteria
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Solution
Dog breeding is an example of artificial selection, where humans selectively breed animals for desired traits.
Correct Answer:
B
— Dog breeding
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Q. Which of the following is an example of budding? (2023)
A.
Starfish regeneration
B.
Hydra
C.
Bacteria
D.
Moss
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Solution
Budding is exemplified by Hydra, where a new individual develops from an outgrowth of the parent.
Correct Answer:
B
— Hydra
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Q. Which of the following is an example of convergent evolution? (1980)
A.
Darwin's finches
B.
Whales and fish
C.
Horses and zebras
D.
Dogs and wolves
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Solution
Convergent evolution occurs when unrelated species evolve similar traits, as seen in whales and fish, which both have streamlined bodies for swimming.
Correct Answer:
B
— Whales and fish
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Q. Which of the following is an example of divergent evolution?
A.
Wings of bats and birds
B.
Body shape of dolphins and sharks
C.
Darwin's finches
D.
Cacti and succulents
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Solution
Darwin's finches are an example of divergent evolution, where different species evolved from a common ancestor and adapted to different environments.
Correct Answer:
C
— Darwin's finches
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Q. Which of the following is an example of ex-situ conservation? (2023)
A.
National parks
B.
Wildlife reserves
C.
Aquariums
D.
Biosphere reserves
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Solution
Aquariums are an example of ex-situ conservation as they involve the conservation of species outside their natural habitats.
Correct Answer:
C
— Aquariums
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Q. Which of the following is an example of fragmentation? (2023)
A.
Starfish
B.
Bacteria
C.
Fungi
D.
All of the above
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Solution
Starfish can reproduce through fragmentation, where a part of the organism breaks off and develops into a new individual.
Correct Answer:
A
— Starfish
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Q. Which of the following is an example of mutualism? (2021)
A.
A lion hunting a zebra
B.
Bees pollinating flowers
C.
A tick feeding on a dog
D.
A bird eating ticks off a cow
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Solution
Mutualism is a symbiotic relationship where both species benefit, such as bees pollinating flowers.
Correct Answer:
B
— Bees pollinating flowers
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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
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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 an example of sexual reproduction? (2023)
A.
Budding in hydra
B.
Fission in amoeba
C.
Pollination in flowering plants
D.
Regeneration in planaria
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Solution
Pollination in flowering plants is a key process in sexual reproduction, involving the transfer of pollen to fertilize ovules.
Correct Answer:
C
— Pollination in flowering plants
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Q. Which of the following is an example of sublimation? (2022)
A.
Ice melting
B.
Dry ice turning into gas
C.
Water boiling
D.
Salt dissolving in water
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Solution
Sublimation is the process where a solid turns directly into a gas, as seen with dry ice (solid CO2).
Correct Answer:
B
— Dry ice turning into gas
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Q. Which of the following is an example of thermal expansion? (2021)
A.
A balloon inflating when heated
B.
Ice melting in water
C.
Water boiling
D.
A metal rod contracting in cold
Show solution
Solution
A balloon inflating when heated is an example of thermal expansion, as the gas inside expands with increased temperature.
Correct Answer:
A
— A balloon inflating when heated
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Q. Which of the following is asexual reproduction? (2019)
A.
Budding in hydra
B.
Fertilization in frogs
C.
Pollination in flowering plants
D.
Binary fission in amoeba
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Solution
Binary fission in amoeba is a form of asexual reproduction where a single organism divides into two.
Correct Answer:
D
— Binary fission in amoeba
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Q. Which of the following is known as the powerhouse of the cell? (2020)
A.
Nucleus
B.
Mitochondria
C.
Ribosome
D.
Endoplasmic Reticulum
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Solution
Mitochondria are known as the powerhouse of the cell because they produce ATP, the energy currency of the cell.
Correct Answer:
B
— Mitochondria
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Q. Which of the following is NOT a benefit of biodiversity? (2022)
A.
Increased ecosystem productivity
B.
Stability of ecosystems
C.
Reduction of disease
D.
Increased pollution
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Solution
Increased pollution is not a benefit of biodiversity; rather, biodiversity helps in reducing pollution.
Correct Answer:
D
— Increased pollution
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