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 structure in the neuron is responsible for transmitting impulses away from the cell body? (2019)
A.
Dendrite
B.
Axon
C.
Synapse
D.
Node of Ranvier
Show solution
Solution
The axon is the part of the neuron that transmits impulses away from the cell body.
Correct Answer:
B
— Axon
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Q. Which structure in the neuron is responsible for transmitting impulses to other neurons? (2019)
A.
Dendrites
B.
Cell body
C.
Axon
D.
Synapse
Show solution
Solution
The axon is responsible for transmitting impulses away from the cell body to other neurons.
Correct Answer:
C
— Axon
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Q. Which structure in the plant is primarily responsible for the uptake of water?
A.
Leaves
B.
Stems
C.
Roots
D.
Flowers
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Solution
Roots are primarily responsible for the uptake of water and minerals from the soil.
Correct Answer:
C
— Roots
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Q. Which structure in the plant regulates the opening and closing of stomata?
A.
Guard cells
B.
Xylem vessels
C.
Phloem fibers
D.
Mesophyll cells
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Solution
Guard cells surround the stomata and control their opening and closing, regulating gas exchange and transpiration.
Correct Answer:
A
— Guard cells
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Q. Which structure increases the surface area for absorption in the small intestine? (2022)
A.
Villi
B.
Microvilli
C.
Plicae circulares
D.
All of the above
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Solution
All of the above structures (villi, microvilli, and plicae circulares) increase the surface area for absorption in the small intestine.
Correct Answer:
D
— All of the above
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Q. Which structure is involved in the synthesis of lipids? (2022)
A.
Rough ER
B.
Smooth ER
C.
Golgi apparatus
D.
Lysosome
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Solution
The smooth endoplasmic reticulum (Smooth ER) is involved in the synthesis of lipids and detoxification processes.
Correct Answer:
B
— Smooth ER
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Q. Which structure is responsible for controlling the activities of the cell? (2019)
A.
Cell wall
B.
Nucleus
C.
Cytoplasm
D.
Ribosome
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Solution
The nucleus controls the activities of the cell by regulating gene expression.
Correct Answer:
B
— Nucleus
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Q. Which structure is responsible for controlling the entry and exit of substances in a cell? (2022)
A.
Cell wall
B.
Plasma membrane
C.
Cytoplasm
D.
Nucleus
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Solution
The plasma membrane regulates the movement of substances in and out of the cell, maintaining homeostasis.
Correct Answer:
B
— Plasma membrane
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Q. Which structure is responsible for maintaining the shape of plant cells? (2021)
A.
Cell membrane
B.
Cell wall
C.
Cytoplasm
D.
Chloroplast
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Solution
The cell wall provides structural support and maintains the shape of plant cells.
Correct Answer:
B
— Cell wall
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Q. Which structure is responsible for packaging and modifying proteins? (2020)
A.
Nucleus
B.
Golgi apparatus
C.
Lysosome
D.
Vesicle
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Solution
The Golgi apparatus is responsible for packaging and modifying proteins before they are sent to their destination.
Correct Answer:
B
— Golgi apparatus
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Q. Which structure is responsible for packaging and transporting proteins?
A.
Lysosome
B.
Golgi apparatus
C.
Rough endoplasmic reticulum
D.
Nucleus
Show solution
Solution
The Golgi apparatus is responsible for packaging and transporting proteins to their destinations.
Correct Answer:
B
— Golgi apparatus
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Q. Which structure is responsible for photosynthesis in plant cells? (2021)
A.
Mitochondria
B.
Chloroplast
C.
Ribosome
D.
Vacuole
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Solution
Chloroplasts are the organelles responsible for photosynthesis, converting light energy into chemical energy.
Correct Answer:
B
— Chloroplast
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Q. Which structure is responsible for pollen production? (2020)
A.
Ovary
B.
Anther
C.
Style
D.
Stigma
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Solution
The anther is the part of the stamen that produces pollen.
Correct Answer:
B
— Anther
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Q. Which structure is responsible for the synthesis of ATP? (2022)
A.
Chloroplast
B.
Mitochondria
C.
Nucleus
D.
Golgi apparatus
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Solution
Mitochondria are responsible for the synthesis of ATP through cellular respiration.
Correct Answer:
B
— Mitochondria
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Q. Which structure is responsible for the synthesis of lipids? (2021)
A.
Smooth endoplasmic reticulum
B.
Rough endoplasmic reticulum
C.
Golgi apparatus
D.
Mitochondria
Show solution
Solution
The smooth endoplasmic reticulum is involved in the synthesis of lipids and detoxification processes.
Correct Answer:
A
— Smooth endoplasmic reticulum
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Q. Which structure is responsible for the synthesis of ribosomal RNA? (2021)
A.
Nucleus
B.
Nucleolus
C.
Ribosome
D.
Endoplasmic reticulum
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Solution
The nucleolus is the site within the nucleus where ribosomal RNA (rRNA) is synthesized.
Correct Answer:
B
— Nucleolus
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Q. Which structure is responsible for the transport of sperm? (2020)
A.
Urethra
B.
Vas deferens
C.
Seminal vesicle
D.
Prostate gland
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Solution
The vas deferens is responsible for the transport of sperm from the epididymis to the ejaculatory duct.
Correct Answer:
B
— Vas deferens
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Q. Which structure is selectively permeable and regulates the entry and exit of substances in a cell?
A.
Cell wall
B.
Plasma membrane
C.
Nuclear membrane
D.
Cytoplasm
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Solution
The plasma membrane is selectively permeable, allowing certain substances to pass while blocking others.
Correct Answer:
B
— Plasma membrane
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Q. Which structure prevents the backflow of food from the stomach to the esophagus? (2020)
A.
Pyloric sphincter
B.
Cardiac sphincter
C.
Ileocecal valve
D.
Anal sphincter
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Solution
The cardiac sphincter, also known as the lower esophageal sphincter, prevents the backflow of food from the stomach to the esophagus.
Correct Answer:
B
— Cardiac sphincter
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Q. Which structure protects the developing seeds in a flowering plant? (2021)
A.
Ovary
B.
Anther
C.
Filament
D.
Pistil
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Solution
The ovary protects the developing seeds and will mature into the fruit after fertilization.
Correct Answer:
A
— Ovary
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Q. Which transition metal has the electron configuration [Ar] 3d6 4s2?
A.
Titanium
B.
Iron
C.
Nickel
D.
Cobalt
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Solution
Iron (Fe) has the electron configuration [Ar] 3d6 4s2.
Correct Answer:
B
— Iron
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Q. Which transition metal has the highest melting point?
A.
Iron
B.
Tungsten
C.
Nickel
D.
Copper
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Solution
Tungsten (W) has the highest melting point among transition metals.
Correct Answer:
B
— Tungsten
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Q. Which transition metal is known for forming complex ions with a coordination number of 6?
A.
Copper
B.
Nickel
C.
Cobalt
D.
Zinc
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Solution
Cobalt commonly forms complex ions with a coordination number of 6, such as in [Co(NH3)6]3+.
Correct Answer:
C
— Cobalt
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Q. Which transition metal is known for its catalytic properties in the Haber process?
A.
Iron
B.
Nickel
C.
Copper
D.
Cobalt
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Solution
Iron is used as a catalyst in the Haber process for ammonia synthesis.
Correct Answer:
A
— Iron
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Q. Which type of biomolecule is glucose?
A.
Protein
B.
Lipid
C.
Carbohydrate
D.
Nucleic Acid
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Solution
Glucose is a simple sugar and is classified as a carbohydrate.
Correct Answer:
C
— Carbohydrate
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Q. Which type of blood vessel carries oxygenated blood away from the heart? (2022)
A.
Veins
B.
Capillaries
C.
Arteries
D.
Venules
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Solution
Arteries are the blood vessels that carry oxygenated blood away from the heart to the tissues, except for the pulmonary arteries.
Correct Answer:
C
— Arteries
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Q. Which type of blood vessel is primarily responsible for nutrient and gas exchange? (2019)
A.
Arteries
B.
Veins
C.
Capillaries
D.
Arterioles
Show solution
Solution
Capillaries are the smallest blood vessels and are the sites of exchange of oxygen, carbon dioxide, nutrients, and waste products.
Correct Answer:
C
— Capillaries
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Q. Which type of cell division results in two identical daughter cells? (2020)
A.
Meiosis
B.
Mitosis
C.
Binary fission
D.
Budding
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Solution
Mitosis is the type of cell division that results in two identical daughter cells.
Correct Answer:
B
— Mitosis
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Q. Which type of connective tissue connects muscles to bones? (2023)
A.
Tendons
B.
Ligaments
C.
Cartilage
D.
Adipose tissue
Show solution
Solution
Tendons are connective tissues that connect muscles to bones, facilitating movement.
Correct Answer:
A
— Tendons
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Q. Which type of crystal system has the highest symmetry? (2022)
A.
Cubic
B.
Tetragonal
C.
Orthorhombic
D.
Monoclinic
Show solution
Solution
The cubic crystal system has the highest symmetry among all crystal systems.
Correct Answer:
A
— Cubic
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