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 temperature of a gas in Kelvin if its temperature in Celsius is 25°C? (2019)
A.
273 K
B.
298 K
C.
310 K
D.
325 K
Show solution
Solution
Temperature in Kelvin (K) = Temperature in Celsius (°C) + 273.15 = 25 + 273.15 = 298.15 K.
Correct Answer:
B
— 298 K
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Q. What is the term containing x^2 in the expansion of (3x - 4)^6?
A.
-1440
B.
720
C.
-720
D.
1440
Show solution
Solution
The term containing x^2 is given by C(6,2) * (3x)^2 * (-4)^(6-2) = 15 * 9 * 256 = -1440.
Correct Answer:
A
— -1440
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Q. What is the term containing x^2 in the expansion of (x + 4)^6?
A.
240
B.
360
C.
480
D.
600
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Solution
The term containing x^2 is given by C(6,2) * (4)^4 * (x)^2 = 15 * 256 * x^2 = 3840.
Correct Answer:
C
— 480
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Q. What is the term containing x^5 in the expansion of (2x + 3)^6?
A.
540
B.
720
C.
810
D.
900
Show solution
Solution
The term containing x^5 occurs when k = 5. Using the binomial theorem, the term is C(6,5) * (2x)^5 * 3^1 = 6 * 32 * 3 = 576.
Correct Answer:
B
— 720
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Q. What is the term containing x^5 in the expansion of (2x - 3)^8?
A.
-6720
B.
6720
C.
-13440
D.
13440
Show solution
Solution
The term containing x^5 occurs when k = 5. Using the binomial theorem, the term is C(8,5) * (2x)^5 * (-3)^3 = 56 * 32 * (-27) = -48384.
Correct Answer:
A
— -6720
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Q. What is the term for a flower that has both male and female reproductive structures? (2019)
A.
Unisexual
B.
Bisexual
C.
Asexual
D.
Monoecious
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Solution
A bisexual flower contains both male (stamens) and female (pistils) reproductive structures.
Correct Answer:
B
— Bisexual
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Q. What is the term for a flower with both male and female reproductive structures? (2019)
A.
Unisexual
B.
Bisexual
C.
Asexual
D.
Monoecious
Show solution
Solution
A bisexual flower contains both male (stamens) and female (pistils) reproductive structures.
Correct Answer:
B
— Bisexual
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Q. What is the term for a solution that contains the maximum amount of solute that can dissolve at a given temperature? (2022)
A.
Unsaturated solution
B.
Saturated solution
C.
Supersaturated solution
D.
Concentrated solution
Show solution
Solution
A saturated solution is one that contains the maximum amount of solute that can dissolve at a specific temperature.
Correct Answer:
B
— Saturated solution
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Q. What is the term for an organism that has two identical alleles for a trait? (2022)
A.
Heterozygous
B.
Homozygous
C.
Dominant
D.
Recessive
Show solution
Solution
An organism with two identical alleles for a trait is called homozygous.
Correct Answer:
B
— Homozygous
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Q. What is the term for an organism's genetic makeup? (2022)
A.
Phenotype
B.
Genotype
C.
Allele
D.
Trait
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Solution
The genetic makeup of an organism is referred to as its genotype.
Correct Answer:
B
— Genotype
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Q. What is the term for species that are at risk of extinction? (2020)
A.
Endangered species
B.
Invasive species
C.
Keystone species
D.
Extinct species
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Solution
Endangered species are those that are at risk of extinction due to various factors.
Correct Answer:
A
— Endangered species
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Q. What is the term for species that are found nowhere else on Earth? (2022)
A.
Endemic species
B.
Invasive species
C.
Keystone species
D.
Threatened species
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Solution
Endemic species are those that are found nowhere else on Earth and are often vulnerable to extinction.
Correct Answer:
A
— Endemic species
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Q. What is the term for species that are found only in a specific geographic area? (2020)
A.
Endemic species
B.
Invasive species
C.
Keystone species
D.
Indicator species
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Solution
Endemic species are those that are found only in a specific geographic area.
Correct Answer:
A
— Endemic species
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Q. What is the term for species that are native to a particular area and not found elsewhere? (2021)
A.
Endemic species
B.
Invasive species
C.
Exotic species
D.
Keystone species
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Solution
Endemic species are those that are native to a particular area and not found elsewhere.
Correct Answer:
A
— Endemic species
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Q. What is the term for species that are native to a particular area? (2019)
A.
Invasive species
B.
Endemic species
C.
Exotic species
D.
Migratory species
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Solution
Endemic species are those that are native to a particular area and are not found naturally anywhere else.
Correct Answer:
B
— Endemic species
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Q. What is the term for the ability of a muscle to respond to a stimulus? (2023)
A.
Contractility
B.
Excitability
C.
Extensibility
D.
Elasticity
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Solution
Excitability refers to the ability of a muscle to respond to a stimulus, such as a nerve impulse.
Correct Answer:
B
— Excitability
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Q. What is the term for the ability of muscles to respond to stimuli? (2023)
A.
Contractility
B.
Excitability
C.
Extensibility
D.
Elasticity
Show solution
Solution
Excitability refers to the ability of muscles to respond to stimuli, such as nerve impulses.
Correct Answer:
B
— Excitability
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Q. What is the term for the arrangement of flowers on a stem? (2023)
A.
Inflorescence
B.
Peduncle
C.
Receptacle
D.
Calyx
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Solution
Inflorescence refers to the arrangement of flowers on a stem.
Correct Answer:
A
— Inflorescence
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Q. What is the term for the change of state from solid directly to gas? (2020)
A.
Sublimation
B.
Deposition
C.
Evaporation
D.
Condensation
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Solution
Sublimation is the process where a solid changes directly into a gas without passing through the liquid state.
Correct Answer:
A
— Sublimation
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Q. What is the term for the change of state from solid to gas without passing through the liquid state? (2020)
A.
Sublimation
B.
Deposition
C.
Evaporation
D.
Condensation
Show solution
Solution
Sublimation is the process where a solid changes directly into a gas without becoming a liquid.
Correct Answer:
A
— Sublimation
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Q. What is the term for the connection between a motor neuron and a muscle fiber? (2023)
A.
Synapse
B.
Neuromuscular junction
C.
Axon terminal
D.
Motor end plate
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Solution
The neuromuscular junction is the synapse between a motor neuron and a muscle fiber, facilitating muscle contraction.
Correct Answer:
B
— Neuromuscular junction
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Q. What is the term for the development of an organism from an egg? (2023)
A.
Embryogenesis
B.
Metamorphosis
C.
Germination
D.
Fertilization
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Solution
Embryogenesis is the process of development of an organism from a fertilized egg.
Correct Answer:
A
— Embryogenesis
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Q. What is the term for the division of the cytoplasm during cell division? (2020)
A.
Mitosis
B.
Cytokinesis
C.
Interphase
D.
Telophase
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Solution
Cytokinesis is the process that divides the cytoplasm of a parental cell into two daughter cells.
Correct Answer:
B
— Cytokinesis
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Q. What is the term for the energy required to change a substance from liquid to gas? (2023)
A.
Latent heat of fusion
B.
Latent heat of vaporization
C.
Specific heat
D.
Thermal energy
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Solution
The energy required to change a substance from liquid to gas is called the latent heat of vaporization.
Correct Answer:
B
— Latent heat of vaporization
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Q. What is the term for the energy required to change a substance from solid to liquid?
A.
Heat of fusion
B.
Heat of vaporization
C.
Sublimation energy
D.
Latent heat
Show solution
Solution
The heat of fusion is the energy required to change a substance from solid to liquid.
Correct Answer:
A
— Heat of fusion
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Q. What is the term for the energy required to separate an adsorbate from an adsorbent? (2023)
A.
Adsorption energy
B.
Desorption energy
C.
Activation energy
D.
Bond energy
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Solution
Desorption energy is the energy required to separate an adsorbate from an adsorbent.
Correct Answer:
B
— Desorption energy
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Q. What is the term for the evolutionary process where one species evolves into multiple species to adapt to different environments?
A.
Adaptive Radiation
B.
Convergent Evolution
C.
Divergent Evolution
D.
Speciation
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Solution
Adaptive radiation is the evolutionary process where one ancestral species diversifies into multiple species to adapt to various environments.
Correct Answer:
A
— Adaptive Radiation
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Q. What is the term for the exchange of gases between the blood and body cells? (2023)
A.
External respiration
B.
Internal respiration
C.
Cellular respiration
D.
Pulmonary ventilation
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Solution
Internal respiration refers to the exchange of gases between the blood and body cells, where oxygen is delivered and carbon dioxide is removed.
Correct Answer:
B
— Internal respiration
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Q. What is the term for the extinction of a species in a specific habitat while it still exists elsewhere? (2020)
A.
Global extinction
B.
Local extinction
C.
Mass extinction
D.
Endemism
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Solution
Local extinction refers to the extinction of a species in a specific habitat while it still exists in other areas.
Correct Answer:
B
— Local extinction
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Q. What is the term for the extinction of a species in a specific habitat while it still exists in other areas? (2020)
A.
Global extinction
B.
Local extinction
C.
Mass extinction
D.
Endemic extinction
Show solution
Solution
Local extinction refers to the extinction of a species in a specific habitat while it still exists in other areas.
Correct Answer:
B
— Local extinction
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