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. In which of the following organisms does external fertilization typically occur? (2019)
A.
Humans
B.
Frogs
C.
Birds
D.
Reptiles
Show solution
Solution
Frogs typically exhibit external fertilization, where eggs and sperm are released into the water.
Correct Answer:
B
— Frogs
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Q. In which of the following processes is adsorption utilized? (2023)
A.
Water purification
B.
Sublimation
C.
Distillation
D.
Filtration
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Solution
Adsorption is widely used in water purification processes to remove impurities.
Correct Answer:
A
— Water purification
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Q. In which of the following processes is the enthalpy change (ΔH) equal to the heat absorbed at constant pressure? (2019)
A.
Isothermal process
B.
Isochoric process
C.
Isobaric process
D.
Adiabatic process
Show solution
Solution
In an isobaric process, the enthalpy change (ΔH) is equal to the heat absorbed or released at constant pressure.
Correct Answer:
C
— Isobaric process
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Q. In which of the following processes is the enthalpy change equal to the heat absorbed by the system at constant pressure? (2019)
A.
Isothermal process
B.
Isochoric process
C.
Isobaric process
D.
Adiabatic process
Show solution
Solution
In an isobaric process, the enthalpy change is equal to the heat absorbed by the system at constant pressure.
Correct Answer:
C
— Isobaric process
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Q. In which of the following scenarios does the buoyant force act?
A.
An object floating on water
B.
A balloon rising in air
C.
A ship in the ocean
D.
All of the above
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Solution
The buoyant force acts on any object submerged in a fluid, including floating objects, balloons, and ships.
Correct Answer:
D
— All of the above
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Q. In which part of the chloroplast does the Calvin cycle take place? (2019)
A.
Thylakoid membrane
B.
Stroma
C.
Granum
D.
Outer membrane
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Solution
The Calvin cycle takes place in the stroma of the chloroplast.
Correct Answer:
B
— Stroma
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Q. In which part of the flower does fertilization occur? (2019)
A.
Stamen
B.
Ovary
C.
Style
D.
Petal
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Solution
Fertilization occurs in the ovary, where the male gamete from the pollen fuses with the female gamete in the ovule.
Correct Answer:
B
— Ovary
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Q. In which part of the plant does most of the photosynthesis occur?
A.
Roots
B.
Stems
C.
Leaves
D.
Flowers
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Solution
Most of the photosynthesis occurs in the leaves, where chloroplasts are abundant.
Correct Answer:
C
— Leaves
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Q. In which part of the plant does most of the respiration occur? (2020)
A.
Roots
B.
Leaves
C.
Stems
D.
Flowers
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Solution
Most of the respiration occurs in the roots, where energy is needed for nutrient uptake and growth.
Correct Answer:
A
— Roots
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Q. In which part of the plant does most respiration occur? (2020)
A.
Roots
B.
Leaves
C.
Stems
D.
Flowers
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Solution
Most respiration occurs in the roots, where energy is needed for nutrient uptake and growth.
Correct Answer:
A
— Roots
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Q. In which part of the plant does most transpiration occur?
A.
Roots
B.
Stems
C.
Leaves
D.
Flowers
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Solution
Most transpiration occurs in the leaves, where stomata are located to facilitate gas exchange and water loss.
Correct Answer:
C
— Leaves
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Q. In which part of the plant does most water absorption occur?
A.
Leaves
B.
Stems
C.
Roots
D.
Flowers
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Solution
Most water absorption occurs in the roots, where root hairs increase the surface area for absorption.
Correct Answer:
C
— Roots
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Q. In which part of the plant does respiration primarily occur? (2020)
A.
Roots
B.
Leaves
C.
Stems
D.
All parts
Show solution
Solution
Respiration occurs in all parts of the plant, including roots, leaves, and stems.
Correct Answer:
D
— All parts
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Q. In which part of the plant does the majority of photosynthesis occur?
A.
Roots
B.
Stems
C.
Leaves
D.
Flowers
Show solution
Solution
Leaves are the primary site of photosynthesis due to the presence of chlorophyll in chloroplasts.
Correct Answer:
C
— Leaves
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Q. In which phase do sister chromatids separate and move to opposite poles of the cell? (2019)
A.
Prophase
B.
Metaphase
C.
Anaphase
D.
Telophase
Show solution
Solution
During Anaphase, sister chromatids are pulled apart and move towards opposite poles of the cell.
Correct Answer:
C
— Anaphase
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Q. In which phase do sister chromatids separate and move to opposite poles? (2019)
A.
Prophase
B.
Metaphase
C.
Anaphase
D.
Telophase
Show solution
Solution
During Anaphase, sister chromatids are pulled apart and move toward opposite poles of the cell.
Correct Answer:
C
— Anaphase
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Q. In which phase do sister chromatids separate and move towards opposite poles? (2022)
A.
Prophase
B.
Metaphase
C.
Anaphase
D.
Telophase
Show solution
Solution
During Anaphase, sister chromatids are pulled apart and move towards opposite poles of the cell.
Correct Answer:
C
— Anaphase
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Q. In which phase of the cell cycle does cytokinesis occur? (2021)
A.
G1 phase
B.
S phase
C.
M phase
D.
G2 phase
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Solution
Cytokinesis occurs during the M phase, following mitosis, to divide the cytoplasm and form two daughter cells.
Correct Answer:
C
— M phase
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Q. In which phase of the cell cycle does the cell spend most of its life? (2021)
A.
M phase
B.
G1 phase
C.
S phase
D.
G2 phase
Show solution
Solution
The G1 phase is where the cell spends most of its time growing and performing its normal functions.
Correct Answer:
B
— G1 phase
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Q. In which phase of the cell cycle does the cell spend the majority of its life? (2021)
A.
M phase
B.
G1 phase
C.
S phase
D.
G2 phase
Show solution
Solution
The G1 phase is where the cell spends most of its life, performing normal functions and growing.
Correct Answer:
B
— G1 phase
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Q. In which process does a substance change from solid to gas without becoming liquid? (2022)
A.
Melting
B.
Sublimation
C.
Condensation
D.
Evaporation
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Solution
The process in which a substance changes from solid to gas without becoming liquid is called sublimation.
Correct Answer:
B
— Sublimation
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Q. In which process does a substance change from solid to gas? (2022)
A.
Melting
B.
Sublimation
C.
Evaporation
D.
Condensation
Show solution
Solution
The process in which a substance changes from solid to gas is called sublimation.
Correct Answer:
B
— Sublimation
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Q. In which state of matter do particles have the highest energy? (2023)
A.
Solid
B.
Liquid
C.
Gas
D.
Bose-Einstein Condensate
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Solution
Gas particles have the highest energy compared to solids and liquids, allowing them to move freely and occupy more space.
Correct Answer:
C
— Gas
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Q. In which state of matter do particles have the least amount of energy?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
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Solution
Particles in a solid have the least amount of energy compared to liquids, gases, and plasma.
Correct Answer:
A
— Solid
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Q. In which state of matter do particles have the strongest intermolecular forces? (2023)
A.
Gas
B.
Liquid
C.
Solid
D.
Plasma
Show solution
Solution
In solids, particles are held together by strong intermolecular forces, giving them a definite shape and volume.
Correct Answer:
C
— Solid
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Q. In which state of matter do particles move freely and are far apart? (2021)
A.
Solid
B.
Liquid
C.
Gas
D.
None of the above
Show solution
Solution
In gases, particles move freely and are far apart compared to solids and liquids.
Correct Answer:
C
— Gas
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Q. In which type of collision is kinetic energy conserved? (2019)
A.
Elastic collision
B.
Inelastic collision
C.
Perfectly inelastic collision
D.
All of the above
Show solution
Solution
In an elastic collision, both momentum and kinetic energy are conserved.
Correct Answer:
A
— Elastic collision
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Q. In which type of interaction do both species benefit? (2023)
A.
Predation
B.
Competition
C.
Mutualism
D.
Parasitism
Show solution
Solution
Mutualism is an interaction where both species involved benefit from the relationship.
Correct Answer:
C
— Mutualism
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Q. In which type of population distribution do individuals have a uniform distance between them? (2019)
A.
Random
B.
Clumped
C.
Uniform
D.
None of the above
Show solution
Solution
Uniform distribution occurs when individuals are evenly spaced, often due to competition for resources.
Correct Answer:
C
— Uniform
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Q. In which type of population growth does the growth rate decrease as the population reaches its carrying capacity? (2019)
A.
Exponential growth
B.
Logistic growth
C.
Linear growth
D.
Cyclic growth
Show solution
Solution
Logistic growth describes a population that grows rapidly at first and then slows as it approaches the carrying capacity.
Correct Answer:
B
— Logistic growth
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