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 law states that the induced electromotive force is proportional to the rate of change of magnetic flux? (2022)
A.
Faraday's Law
B.
Lenz's Law
C.
Ohm's Law
D.
Ampere's Law
Show solution
Solution
Faraday's Law of electromagnetic induction states that the induced electromotive force in any closed circuit is equal to the rate of change of magnetic flux through the circuit.
Correct Answer:
A
— Faraday's Law
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Q. Which law states that the induced EMF in a circuit is proportional to the rate of change of magnetic flux through the circuit? (2022)
A.
Faraday's Law
B.
Lenz's Law
C.
Ohm's Law
D.
Ampere's Law
Show solution
Solution
Faraday's Law states that the induced EMF is proportional to the rate of change of magnetic flux.
Correct Answer:
A
— Faraday's Law
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Q. Which law states that the induced EMF in a closed loop is equal to the negative rate of change of magnetic flux through the loop? (2022)
A.
Faraday's Law
B.
Lenz's Law
C.
Ohm's Law
D.
Ampere's Law
Show solution
Solution
Faraday's Law states that the induced EMF in a closed loop is equal to the negative rate of change of magnetic flux through the loop.
Correct Answer:
A
— Faraday's Law
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Q. Which law states that the pressure of a gas is directly proportional to its temperature at constant volume? (2019)
A.
Boyle's Law
B.
Charles's Law
C.
Gay-Lussac's Law
D.
Avogadro's Law
Show solution
Solution
Gay-Lussac's Law states that the pressure of a gas is directly proportional to its temperature at constant volume.
Correct Answer:
C
— Gay-Lussac's Law
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Q. Which law states that the rate of heat transfer through a material is proportional to the temperature difference? (2022)
A.
Newton's Law of Cooling
B.
Fourier's Law
C.
Stefan-Boltzmann Law
D.
Boyle's Law
Show solution
Solution
Fourier's Law states that the rate of heat transfer through a material is proportional to the temperature difference across it.
Correct Answer:
B
— Fourier's Law
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Q. Which law states that the total momentum of a closed system remains constant?
A.
Newton's First Law
B.
Newton's Second Law
C.
Conservation of Momentum
D.
Conservation of Energy
Show solution
Solution
The Conservation of Momentum states that in a closed system, the total momentum remains constant if no external forces act on it.
Correct Answer:
C
— Conservation of Momentum
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Q. Which macromolecule is primarily responsible for genetic information? (2020)
A.
Proteins
B.
Lipids
C.
Carbohydrates
D.
Nucleic Acids
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Solution
Nucleic acids, such as DNA and RNA, are responsible for storing and transmitting genetic information.
Correct Answer:
D
— Nucleic Acids
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Q. Which macromolecule is primarily responsible for storing genetic information? (2020)
A.
Proteins
B.
Carbohydrates
C.
Lipids
D.
Nucleic acids
Show solution
Solution
Nucleic acids, such as DNA and RNA, are responsible for storing and transmitting genetic information.
Correct Answer:
D
— Nucleic acids
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Q. Which microbe is primarily responsible for the fermentation of vinegar? (2021)
A.
Yeast
B.
Lactic acid bacteria
C.
Acetic acid bacteria
D.
Molds
Show solution
Solution
Acetic acid bacteria are responsible for the fermentation process that converts alcohol into vinegar.
Correct Answer:
C
— Acetic acid bacteria
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Q. Which microbe is primarily responsible for the production of vinegar? (2020)
A.
Yeast
B.
Lactic acid bacteria
C.
Acetic acid bacteria
D.
Molds
Show solution
Solution
Acetic acid bacteria are responsible for the fermentation process that produces vinegar.
Correct Answer:
C
— Acetic acid bacteria
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Q. Which microbe is primarily responsible for the production of yogurt? (2018)
A.
Lactobacillus
B.
Escherichia coli
C.
Staphylococcus
D.
Bacillus subtilis
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Solution
Lactobacillus is the primary bacterium used in the fermentation of milk to produce yogurt.
Correct Answer:
A
— Lactobacillus
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Q. Which microbe is primarily responsible for the spoilage of food? (2019)
A.
Bacteria
B.
Fungi
C.
Viruses
D.
Both bacteria and fungi
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Solution
Both bacteria and fungi can cause food spoilage through their metabolic activities.
Correct Answer:
D
— Both bacteria and fungi
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Q. Which mineral is primarily involved in the formation of chlorophyll? (2019)
A.
Magnesium
B.
Calcium
C.
Phosphorus
D.
Sulfur
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Solution
Magnesium is a central component of the chlorophyll molecule, essential for photosynthesis.
Correct Answer:
A
— Magnesium
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Q. Which mineral is primarily involved in the synthesis of chlorophyll? (2019)
A.
Magnesium
B.
Calcium
C.
Phosphorus
D.
Iron
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Solution
Magnesium is a central component of the chlorophyll molecule, which is essential for photosynthesis.
Correct Answer:
A
— Magnesium
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Q. Which molecule has the highest electronegativity difference? (2021)
A.
HCl
B.
NaCl
C.
CO
D.
H2
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Solution
NaCl has the highest electronegativity difference between sodium and chlorine, leading to a strong ionic bond.
Correct Answer:
B
— NaCl
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Q. Which muscle is primarily responsible for the extension of the leg at the knee? (2022)
A.
Quadriceps femoris
B.
Hamstrings
C.
Gastrocnemius
D.
Sartorius
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Solution
The quadriceps femoris muscle is responsible for extending the leg at the knee joint.
Correct Answer:
A
— Quadriceps femoris
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Q. Which muscle is primarily responsible for the flexion of the forearm at the elbow? (2023)
A.
Biceps Brachii
B.
Brachialis
C.
Triceps Brachii
D.
Brachioradialis
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Solution
The biceps brachii is primarily responsible for flexing the forearm at the elbow joint.
Correct Answer:
A
— Biceps Brachii
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Q. Which muscle type is involuntary and found in the walls of internal organs? (2023)
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
Striated muscle
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Solution
Smooth muscle is involuntary and is found in the walls of internal organs, facilitating movements such as peristalsis.
Correct Answer:
C
— Smooth muscle
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Q. Which muscle type is striated and under voluntary control? (2022)
A.
Smooth muscle
B.
Cardiac muscle
C.
Skeletal muscle
D.
All muscle types
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Solution
Skeletal muscle is striated and under voluntary control, allowing for conscious movement.
Correct Answer:
C
— Skeletal muscle
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Q. Which nutrient is crucial for energy transfer in plants? (2020)
A.
Phosphorus
B.
Iron
C.
Zinc
D.
Copper
Show solution
Solution
Phosphorus is vital for energy transfer as it is a component of ATP, the energy currency of the cell.
Correct Answer:
A
— Phosphorus
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Q. Which nutrient is essential for the formation of nucleic acids? (2020)
A.
Potassium
B.
Phosphorus
C.
Calcium
D.
Iron
Show solution
Solution
Phosphorus is essential for the formation of nucleic acids (DNA and RNA), which are vital for genetic information and protein synthesis.
Correct Answer:
B
— Phosphorus
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Q. Which nutrient is essential for the synthesis of amino acids? (2019)
A.
Sulfur
B.
Iron
C.
Zinc
D.
Copper
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Solution
Sulfur is essential for the synthesis of amino acids, particularly cysteine and methionine.
Correct Answer:
A
— Sulfur
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Q. Which nutrient is primarily absorbed in the stomach? (2020)
A.
Proteins
B.
Fats
C.
Carbohydrates
D.
Water and alcohol
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Solution
The stomach primarily absorbs water and alcohol, while other nutrients are absorbed in the small intestine.
Correct Answer:
D
— Water and alcohol
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Q. Which nutrient is primarily responsible for root development? (2019)
A.
Nitrogen
B.
Phosphorus
C.
Potassium
D.
Magnesium
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Solution
Phosphorus is essential for root development and is involved in energy transfer and storage.
Correct Answer:
B
— Phosphorus
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Q. Which of the following acids is a dicarboxylic acid?
A.
Oxalic acid
B.
Acetic acid
C.
Formic acid
D.
Propanoic acid
Show solution
Solution
Oxalic acid is a dicarboxylic acid with two carboxyl groups.
Correct Answer:
A
— Oxalic acid
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Q. Which of the following acids is a saturated carboxylic acid?
A.
Butanoic acid
B.
Hexenoic acid
C.
Cyclopropanoic acid
D.
Benzoic acid
Show solution
Solution
Butanoic acid is a saturated carboxylic acid.
Correct Answer:
A
— Butanoic acid
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Q. Which of the following acids is used in the production of esters?
A.
Acetic acid
B.
Sulfuric acid
C.
Nitric acid
D.
Hydrochloric acid
Show solution
Solution
Acetic acid is commonly used in the production of esters.
Correct Answer:
A
— Acetic acid
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Q. Which of the following alcohols is most soluble in water? (2022)
A.
1-butanol
B.
2-butanol
C.
3-butanol
D.
Cyclohexanol
Show solution
Solution
2-butanol has a higher solubility in water due to its ability to form hydrogen bonds more effectively than the others.
Correct Answer:
B
— 2-butanol
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Q. Which of the following alkali metals is most reactive with water? (2023)
A.
Lithium
B.
Sodium
C.
Potassium
D.
Rubidium
Show solution
Solution
Potassium (K) is more reactive with water than Sodium (Na) and Lithium (Li).
Correct Answer:
C
— Potassium
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Q. Which of the following alkaline earth metals has the highest melting point? (2019)
A.
Beryllium
B.
Magnesium
C.
Calcium
D.
Strontium
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Solution
Beryllium has the highest melting point among the alkaline earth metals.
Correct Answer:
A
— Beryllium
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