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 part of the nephron is responsible for the filtration of blood? (2023)
A.
Glomerulus
B.
Proximal convoluted tubule
C.
Loop of Henle
D.
Distal convoluted tubule
Show solution
Solution
The glomerulus is the part of the nephron where blood filtration occurs, leading to the formation of filtrate.
Correct Answer:
A
— Glomerulus
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Q. Which part of the nephron is responsible for the majority of nutrient reabsorption? (2023)
A.
Glomerulus
B.
Proximal convoluted tubule
C.
Loop of Henle
D.
Distal convoluted tubule
Show solution
Solution
The proximal convoluted tubule is responsible for the majority of nutrient reabsorption, including glucose, amino acids, and ions.
Correct Answer:
B
— Proximal convoluted tubule
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Q. Which part of the nephron is responsible for the majority of reabsorption? (2023)
A.
Glomerulus
B.
Proximal convoluted tubule
C.
Loop of Henle
D.
Distal convoluted tubule
Show solution
Solution
The proximal convoluted tubule is responsible for the majority of reabsorption of water, ions, and nutrients.
Correct Answer:
B
— Proximal convoluted tubule
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Q. Which part of the nervous system is responsible for the 'fight or flight' response? (2023)
A.
Parasympathetic nervous system
B.
Sympathetic nervous system
C.
Central nervous system
D.
Somatic nervous system
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Solution
The sympathetic nervous system is responsible for the 'fight or flight' response, preparing the body for action.
Correct Answer:
B
— Sympathetic nervous system
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Q. Which part of the neuron is responsible for receiving signals from other neurons? (2020)
A.
Axon
B.
Dendrites
C.
Myelin sheath
D.
Synapse
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Solution
Dendrites are the extensions of a neuron that receive signals from other neurons.
Correct Answer:
B
— Dendrites
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Q. Which part of the neuron is responsible for transmitting impulses away from the cell body? (2023)
A.
Dendrites
B.
Axon
C.
Soma
D.
Synapse
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Solution
The axon is the long projection of a neuron that transmits impulses away from the cell body.
Correct Answer:
B
— Axon
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Q. Which part of the neuron is responsible for transmitting impulses to other neurons? (2023)
A.
Dendrites
B.
Cell body
C.
Axon
D.
Synapse
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Solution
The axon is responsible for transmitting impulses away from the cell body to other neurons or muscles.
Correct Answer:
C
— Axon
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Q. Which part of the neuron receives signals from other neurons? (2020)
A.
Axon
B.
Dendrites
C.
Cell body
D.
Synapse
Show solution
Solution
Dendrites are the parts of the neuron that receive signals from other neurons.
Correct Answer:
B
— Dendrites
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Q. Which part of the neuron transmits impulses away from the cell body? (2023)
A.
Dendrites
B.
Axon
C.
Synapse
D.
Nucleus
Show solution
Solution
The axon is the part of the neuron that transmits impulses away from the cell body to other neurons or muscles.
Correct Answer:
B
— Axon
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Q. Which part of the plant is primarily involved in photosynthesis? (2020)
A.
Roots
B.
Stems
C.
Leaves
D.
Flowers
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Solution
Leaves are the primary sites of photosynthesis in flowering plants due to the presence of chlorophyll.
Correct Answer:
C
— Leaves
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Q. Which part of the plant is responsible for photosynthesis? (2021)
A.
Roots
B.
Stems
C.
Leaves
D.
Flowers
Show solution
Solution
Leaves are the primary site of photosynthesis in flowering plants due to the presence of chlorophyll.
Correct Answer:
C
— Leaves
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Q. Which part of the respiratory system is responsible for gas exchange? (2020)
A.
Bronchi
B.
Alveoli
C.
Trachea
D.
Larynx
Show solution
Solution
Alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs.
Correct Answer:
B
— Alveoli
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Q. Which part of the respiratory system is responsible for the exchange of gases? (2020)
A.
Bronchi
B.
Alveoli
C.
Trachea
D.
Larynx
Show solution
Solution
The alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs.
Correct Answer:
B
— Alveoli
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Q. Which part of the respiratory system is responsible for the majority of gas exchange? (2019)
A.
Bronchi
B.
Trachea
C.
Alveoli
D.
Larynx
Show solution
Solution
The alveoli are tiny air sacs in the lungs where the majority of gas exchange occurs between air and blood.
Correct Answer:
C
— Alveoli
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Q. Which part of the stamen produces pollen? (2022)
A.
Filament
B.
Anther
C.
Style
D.
Ovary
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Solution
The anther is the part of the stamen that produces and contains pollen.
Correct Answer:
B
— Anther
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Q. Which particle is responsible for the chemical properties of an atom? (2023)
A.
Neutrons
B.
Protons
C.
Electrons
D.
Nucleons
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Solution
Electrons, particularly those in the outer shell, determine the chemical properties of an atom.
Correct Answer:
C
— Electrons
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Q. Which phase change occurs at the boiling point of a substance? (2022)
A.
Melting
B.
Sublimation
C.
Condensation
D.
Vaporization
Show solution
Solution
Vaporization occurs at the boiling point when a liquid turns into gas.
Correct Answer:
D
— Vaporization
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Q. Which phase follows metaphase in mitosis? (2023)
A.
Prophase
B.
Anaphase
C.
Telophase
D.
Interphase
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Solution
Anaphase follows metaphase, where sister chromatids are pulled apart to opposite poles of the cell.
Correct Answer:
B
— Anaphase
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Q. Which phase of the cell cycle is characterized by the division of the nucleus? (2018)
A.
Interphase
B.
Mitosis
C.
Cytokinesis
D.
G2 phase
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Solution
Mitosis is the phase of the cell cycle where the nucleus divides, resulting in two nuclei.
Correct Answer:
B
— Mitosis
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Q. Which phase of the cell cycle is characterized by the preparation for mitosis? (2021)
A.
G1 phase
B.
S phase
C.
G2 phase
D.
M phase
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Solution
The G2 phase is where the cell prepares for mitosis, ensuring all DNA is replicated and the cell is ready to divide.
Correct Answer:
C
— G2 phase
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Q. Which phase of the cell cycle is characterized by the replication of DNA? (2023)
A.
G1 phase
B.
S phase
C.
G2 phase
D.
M phase
Show solution
Solution
The S phase is specifically designated for DNA replication, ensuring that each daughter cell receives a complete set of genetic material.
Correct Answer:
B
— S phase
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Q. Which planet has the highest gravitational acceleration? (2020)
A.
Earth
B.
Jupiter
C.
Mars
D.
Venus
Show solution
Solution
Jupiter has the highest gravitational acceleration among the planets in our solar system, approximately 24.79 m/s².
Correct Answer:
B
— Jupiter
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Q. Which plant group is known for having a life cycle that alternates between haploid and diploid generations? (2023)
A.
Angiosperms
B.
Gymnosperms
C.
Pteridophytes
D.
All of the above
Show solution
Solution
All of these plant groups exhibit alternation of generations, where both haploid (gametophyte) and diploid (sporophyte) stages are present.
Correct Answer:
D
— All of the above
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Q. Which plant group is known for producing spores? (2023)
A.
Angiosperms
B.
Gymnosperms
C.
Pteridophytes
D.
Bryophytes
Show solution
Solution
Pteridophytes reproduce through spores, which are produced in sporangia.
Correct Answer:
C
— Pteridophytes
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Q. Which plant hormone is known for its role in apical dominance? (2023)
A.
Ethylene
B.
Auxins
C.
Cytokinins
D.
Gibberellins
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Solution
Auxins are responsible for maintaining apical dominance by inhibiting the growth of lateral buds.
Correct Answer:
B
— Auxins
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Q. Which plant hormone is known for its role in fruit ripening? (2023)
A.
Auxins
B.
Cytokinins
C.
Ethylene
D.
Gibberellins
Show solution
Solution
Ethylene is the hormone responsible for the ripening of fruits and is produced in response to various stimuli.
Correct Answer:
C
— Ethylene
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Q. Which plant hormone is known for its role in stress responses? (2023)
A.
Gibberellins
B.
Auxins
C.
Abscisic acid
D.
Cytokinins
Show solution
Solution
Abscisic acid is known for its role in stress responses, particularly in drought conditions.
Correct Answer:
C
— Abscisic acid
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Q. Which plant hormone is known to delay senescence in leaves? (2022)
A.
Gibberellins
B.
Cytokinins
C.
Ethylene
D.
Abscisic acid
Show solution
Solution
Cytokinins are known to delay senescence and promote cell division in plants.
Correct Answer:
B
— Cytokinins
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Q. Which plant hormone is known to induce abscission of leaves and fruits? (2022)
A.
Auxins
B.
Ethylene
C.
Gibberellins
D.
Cytokinins
Show solution
Solution
Ethylene is known to promote the abscission of leaves and fruits in plants.
Correct Answer:
B
— Ethylene
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Q. Which plant hormone is known to promote fruit ripening? (2022)
A.
Auxins
B.
Cytokinins
C.
Ethylene
D.
Gibberellins
Show solution
Solution
Ethylene is the hormone that promotes fruit ripening and is also involved in the senescence of leaves.
Correct Answer:
C
— Ethylene
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