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 plant hormone is primarily associated with apical dominance? (2023)
A.
Auxins
B.
Cytokinins
C.
Gibberellins
D.
Ethylene
Show solution
Solution
Auxins are responsible for apical dominance, suppressing the growth of lateral buds.
Correct Answer:
A
— Auxins
Learn More →
Q. Which plant hormone is primarily involved in apical dominance? (2023)
A.
Auxins
B.
Cytokinins
C.
Gibberellins
D.
Ethylene
Show solution
Solution
Auxins are primarily responsible for apical dominance, suppressing the growth of lateral buds.
Correct Answer:
A
— Auxins
Learn More →
Q. Which plant hormone is primarily involved in seed germination? (2022)
A.
Ethylene
B.
Gibberellins
C.
Auxins
D.
Abscisic acid
Show solution
Solution
Gibberellins are crucial for breaking seed dormancy and promoting germination by stimulating enzyme production.
Correct Answer:
B
— Gibberellins
Learn More →
Q. Which plant hormone is primarily involved in the elongation of stems? (2023)
A.
Ethylene
B.
Gibberellins
C.
Cytokinins
D.
Abscisic acid
Show solution
Solution
Gibberellins are primarily responsible for stem elongation by promoting cell division and elongation.
Correct Answer:
B
— Gibberellins
Learn More →
Q. Which plant hormone is primarily involved in the response to light? (2022)
A.
Auxins
B.
Ethylene
C.
Gibberellins
D.
Abscisic acid
Show solution
Solution
Auxins are primarily involved in the plant's response to light, promoting growth towards the light source.
Correct Answer:
A
— Auxins
Learn More →
Q. Which plant hormone is primarily involved in the response to stress conditions? (2023)
A.
Auxins
B.
Gibberellins
C.
Abscisic acid
D.
Cytokinins
Show solution
Solution
Abscisic acid is primarily involved in the plant's response to stress conditions, particularly drought.
Correct Answer:
C
— Abscisic acid
Learn More →
Q. Which plant hormone is primarily responsible for apical dominance? (2023)
A.
Auxins
B.
Cytokinins
C.
Gibberellins
D.
Ethylene
Show solution
Solution
Auxins are responsible for apical dominance, inhibiting the growth of lateral buds.
Correct Answer:
A
— Auxins
Learn More →
Q. Which polymer is commonly used in 3D printing?
A.
PLA
B.
PVC
C.
Nylon
D.
Polyethylene
Show solution
Solution
PLA (Polylactic Acid) is a commonly used polymer in 3D printing due to its ease of use and biodegradability.
Correct Answer:
A
— PLA
Learn More →
Q. Which polymer is commonly used in the production of fibers for clothing? (2020)
A.
Polyethylene
B.
Nylon
C.
Polystyrene
D.
Polyvinyl acetate
Show solution
Solution
Nylon is commonly used in the production of fibers for clothing due to its strength and elasticity.
Correct Answer:
B
— Nylon
Learn More →
Q. Which polymer is commonly used in the production of non-stick cookware? (2023)
A.
Polyethylene
B.
Polytetrafluoroethylene (PTFE)
C.
Polypropylene
D.
Polyvinyl chloride (PVC)
Show solution
Solution
Polytetrafluoroethylene (PTFE), commonly known as Teflon, is used in non-stick cookware due to its low friction properties.
Correct Answer:
B
— Polytetrafluoroethylene (PTFE)
Learn More →
Q. Which polymer is commonly used in the production of synthetic fibers? (2023)
A.
Polyethylene
B.
Nylon
C.
Polystyrene
D.
Polyvinyl acetate
Show solution
Solution
Nylon is a synthetic polymer widely used in the production of synthetic fibers for clothing and textiles.
Correct Answer:
B
— Nylon
Learn More →
Q. Which polymer is known for its high resistance to heat?
A.
Polyethylene
B.
Teflon
C.
Polypropylene
D.
PVC
Show solution
Solution
Teflon (PTFE) is known for its high heat resistance and non-stick properties.
Correct Answer:
B
— Teflon
Learn More →
Q. Which principle states that the pressure exerted on a confined fluid is transmitted undiminished in all directions?
A.
Archimedes' Principle
B.
Pascal's Principle
C.
Bernoulli's Principle
D.
Hydrostatic Principle
Show solution
Solution
Pascal's Principle states that pressure applied to a confined fluid is transmitted undiminished in all directions.
Correct Answer:
B
— Pascal's Principle
Learn More →
Q. Which principle states that the pressure in a fluid decreases as the fluid's velocity increases? (2022)
A.
Bernoulli's Principle
B.
Archimedes' Principle
C.
Pascal's Principle
D.
Hydrostatic Principle
Show solution
Solution
Bernoulli's Principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure.
Correct Answer:
A
— Bernoulli's Principle
Learn More →
Q. Which process do plants use to convert sunlight into energy? (2022)
A.
Cellular respiration
B.
Photosynthesis
C.
Fermentation
D.
Transpiration
Show solution
Solution
Plants use photosynthesis to convert sunlight into chemical energy.
Correct Answer:
B
— Photosynthesis
Learn More →
Q. Which process is primarily responsible for the movement of water in plants? (2020)
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Transpiration
Show solution
Solution
Transpiration creates a negative pressure in the leaves, which helps in the upward movement of water through the xylem.
Correct Answer:
D
— Transpiration
Learn More →
Q. Which process is responsible for the movement of water across a semi-permeable membrane? (2020)
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Facilitated diffusion
Show solution
Solution
Osmosis is the process by which water moves across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Correct Answer:
B
— Osmosis
Learn More →
Q. Which process is responsible for the movement of water across a semipermeable membrane? (2020)
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Facilitated diffusion
Show solution
Solution
Osmosis is the process of movement of water across a semipermeable membrane.
Correct Answer:
B
— Osmosis
Learn More →
Q. Which process is used by cells to obtain energy from glucose? (2022)
A.
Photosynthesis
B.
Fermentation
C.
Cellular respiration
D.
Transpiration
Show solution
Solution
Cells obtain energy from glucose through the process of cellular respiration.
Correct Answer:
C
— Cellular respiration
Learn More →
Q. Which property of a material describes its ability to return to its original shape after deformation? (2023)
A.
Plasticity
B.
Elasticity
C.
Ductility
D.
Brittleness
Show solution
Solution
Elasticity is the property that allows a material to return to its original shape after deformation.
Correct Answer:
B
— Elasticity
Learn More →
Q. Which property of fluids is defined as the resistance to flow?
A.
Density
B.
Viscosity
C.
Pressure
D.
Surface Tension
Show solution
Solution
Viscosity is the property of fluids that describes their resistance to flow.
Correct Answer:
B
— Viscosity
Learn More →
Q. Which protein forms the thick filaments in muscle fibers? (2020)
A.
A. Actin
B.
B. Myosin
C.
C. Tropomyosin
D.
D. Troponin
Show solution
Solution
Myosin forms the thick filaments in muscle fibers and interacts with actin during contraction.
Correct Answer:
B
— B. Myosin
Learn More →
Q. Which protein is primarily responsible for muscle contraction? (2019)
A.
Actin
B.
Myosin
C.
Tropomyosin
D.
Troponin
Show solution
Solution
Myosin is the primary protein that interacts with actin to facilitate muscle contraction.
Correct Answer:
B
— Myosin
Learn More →
Q. Which quantum number describes the orientation of an orbital? (2020) 2020
A.
Principal quantum number
B.
Azimuthal quantum number
C.
Magnetic quantum number
D.
Spin quantum number
Show solution
Solution
The magnetic quantum number describes the orientation of an orbital.
Correct Answer:
C
— Magnetic quantum number
Learn More →
Q. Which quantum number is not required to describe the electron in an atom? (2019)
A.
Principal quantum number
B.
Azimuthal quantum number
C.
Magnetic quantum number
D.
Color quantum number
Show solution
Solution
Color quantum number is not a valid quantum number for describing electrons in an atom.
Correct Answer:
D
— Color quantum number
Learn More →
Q. Which reaction is characteristic of alcohols? (2020)
A.
Dehydration
B.
Hydrogenation
C.
Halogenation
D.
Oxidation
Show solution
Solution
Dehydration is a characteristic reaction of alcohols where they lose water to form alkenes.
Correct Answer:
A
— Dehydration
Learn More →
Q. Which reaction is characteristic of carboxylic acids? (2021)
A.
Esterification
B.
Hydrogenation
C.
Halogenation
D.
Dehydration
Show solution
Solution
Esterification is a characteristic reaction of carboxylic acids, where they react with alcohols to form esters.
Correct Answer:
A
— Esterification
Learn More →
Q. Which reaction is used to prepare amines from alkyl halides? (2020)
A.
Nitration
B.
Hydrogenation
C.
Nucleophilic substitution
D.
Electrophilic substitution
Show solution
Solution
Amines can be prepared from alkyl halides through nucleophilic substitution reactions where the amine acts as a nucleophile.
Correct Answer:
C
— Nucleophilic substitution
Learn More →
Q. Which reaction is used to prepare amines from alkyl halides? (2020) 2020
A.
Hydrogenation
B.
Nucleophilic substitution
C.
Electrophilic substitution
D.
Dehydrohalogenation
Show solution
Solution
Amines can be prepared from alkyl halides through nucleophilic substitution reactions, where the halide is replaced by an amine group.
Correct Answer:
B
— Nucleophilic substitution
Learn More →
Q. Which reaction is used to prepare amines from nitriles? (2020)
A.
Hydrogenation
B.
Reduction
C.
Alkylation
D.
Dehydration
Show solution
Solution
Nitriles can be converted to amines through reduction, typically using hydrogen in the presence of a catalyst.
Correct Answer:
B
— Reduction
Learn More →
Showing 5371 to 5400 of 5514 (184 Pages)