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 carboxylic acid is known for its use in the production of biodiesel? (2023)
A.
Palmitic acid
B.
Stearic acid
C.
Oleic acid
D.
Linoleic acid
Show solution
Solution
Oleic acid is commonly used in the production of biodiesel due to its favorable properties.
Correct Answer:
C
— Oleic acid
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Q. Which carboxylic acid is known for its use in the production of nylon? (2019)
A.
Adipic acid
B.
Citric acid
C.
Lactic acid
D.
Acetic acid
Show solution
Solution
Adipic acid is used in the production of nylon, particularly nylon 6,6.
Correct Answer:
A
— Adipic acid
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Q. Which carboxylic acid is responsible for the sour taste in citrus fruits? (2020)
A.
Citric acid
B.
Acetic acid
C.
Lactic acid
D.
Formic acid
Show solution
Solution
Citric acid is responsible for the sour taste in citrus fruits.
Correct Answer:
A
— Citric acid
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Q. Which carboxylic acid is responsible for the sour taste in sour milk? (2020)
A.
Lactic acid
B.
Acetic acid
C.
Citric acid
D.
Formic acid
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Solution
Lactic acid is produced during the fermentation of lactose in sour milk, giving it a sour taste.
Correct Answer:
A
— Lactic acid
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Q. Which carboxylic acid is used in the production of nylon? (2023)
A.
Hexanoic acid
B.
Adipic acid
C.
Citric acid
D.
Acetic acid
Show solution
Solution
Adipic acid is used in the production of nylon, specifically nylon-6,6.
Correct Answer:
B
— Adipic acid
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Q. Which checkpoint in the cell cycle ensures that DNA is not damaged before replication? (2023)
A.
G1 checkpoint
B.
G2 checkpoint
C.
M checkpoint
D.
S checkpoint
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Solution
The G1 checkpoint assesses the cell's size and DNA integrity before it enters the S phase for replication.
Correct Answer:
A
— G1 checkpoint
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Q. Which class of animals is characterized by having scales and laying eggs on land? (2022)
A.
Amphibia
B.
Reptilia
C.
Aves
D.
Mammalia
Show solution
Solution
Reptiles are characterized by having scales and typically lay eggs on land.
Correct Answer:
B
— Reptilia
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Q. Which class of animals is characterized by the presence of scales? (2023)
A.
Amphibia
B.
Reptilia
C.
Aves
D.
Mammalia
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Solution
Reptiles are characterized by the presence of scales, which help in protection and water retention.
Correct Answer:
B
— Reptilia
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Q. Which class of animals is known for having a three-chambered heart? (2023)
A.
Mammals
B.
Birds
C.
Reptiles
D.
Amphibians
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Solution
Reptiles typically have a three-chambered heart, except for crocodilians which have a four-chambered heart.
Correct Answer:
C
— Reptiles
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Q. Which class of animals is known for having scales and laying eggs on land? (2022)
A.
Amphibia
B.
Reptilia
C.
Aves
D.
Mammalia
Show solution
Solution
Reptiles (Reptilia) are known for having scales and typically lay eggs on land, adapting to terrestrial life.
Correct Answer:
B
— Reptilia
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Q. Which class of the phylum Chordata includes animals that are warm-blooded? (2023)
A.
Reptilia
B.
Amphibia
C.
Aves
D.
Osteichthyes
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Solution
Class Aves (birds) are warm-blooded, maintaining a constant body temperature.
Correct Answer:
C
— Aves
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Q. Which class of the phylum Chordata is characterized by the presence of feathers? (2023)
A.
Mammalia
B.
Reptilia
C.
Aves
D.
Amphibia
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Solution
Class Aves is characterized by the presence of feathers, which are unique to birds.
Correct Answer:
C
— Aves
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Q. Which component of blood is primarily responsible for the immune response? (2020)
A.
Plasma
B.
Red blood cells
C.
White blood cells
D.
Platelets
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Solution
White blood cells, or leukocytes, are the key players in the immune response, helping to defend the body against infections.
Correct Answer:
C
— White blood cells
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Q. Which component of blood is responsible for the immune response? (2020)
A.
Plasma
B.
Red blood cells
C.
White blood cells
D.
Platelets
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Solution
White blood cells (leukocytes) are responsible for the immune response, helping to fight infections and foreign substances.
Correct Answer:
C
— White blood cells
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Q. Which compound is a carboxylic acid? (2023)
A.
CH3COOH
B.
C2H5OH
C.
C3H6
D.
C4H10
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Solution
CH3COOH (acetic acid) is a carboxylic acid, containing the -COOH functional group.
Correct Answer:
A
— CH3COOH
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Q. Which compound is a ketone? (2023)
A.
Ethanol
B.
Acetone
C.
Formaldehyde
D.
Acetic acid
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Solution
Acetone is a ketone, which contains a carbonyl group (C=O) bonded to two carbon atoms.
Correct Answer:
B
— Acetone
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Q. Which compound is a saturated hydrocarbon? (2023)
A.
Ethylene
B.
Propylene
C.
Hexane
D.
Benzene
Show solution
Solution
Hexane is a saturated hydrocarbon, containing only single bonds between carbon atoms.
Correct Answer:
C
— Hexane
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Q. Which compound is a saturated hydrocarbon? (2023) 2023
A.
Ethylene
B.
Propane
C.
Benzene
D.
Butyne
Show solution
Solution
Propane is a saturated hydrocarbon, containing only single bonds between carbon atoms.
Correct Answer:
B
— Propane
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Q. Which compound is primarily responsible for the sour taste of vinegar? (2019)
A.
Acetic acid
B.
Citric acid
C.
Lactic acid
D.
Formic acid
Show solution
Solution
Acetic acid is the main component of vinegar, giving it its characteristic sour taste.
Correct Answer:
A
— Acetic acid
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Q. Which connective tissue is responsible for the transport of nutrients and gases? (2021)
A.
Adipose tissue
B.
Blood
C.
Bone
D.
Cartilage
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Solution
Blood is a connective tissue that is responsible for the transport of nutrients, gases, and waste products throughout the body.
Correct Answer:
B
— Blood
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Q. Which connective tissue stores fat in the body? (2022)
A.
Adipose Tissue
B.
Cartilage
C.
Bone
D.
Blood
Show solution
Solution
Adipose tissue stores fat in the body.
Correct Answer:
A
— Adipose Tissue
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Q. Which connective tissue type is responsible for the transport of nutrients and gases? (2021)
A.
Adipose tissue
B.
Blood
C.
Cartilage
D.
Bone
Show solution
Solution
Blood is a connective tissue that transports nutrients, gases, and waste products throughout the body.
Correct Answer:
B
— Blood
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Q. Which contraceptive method is considered permanent? (2022)
A.
Condoms
B.
IUDs
C.
Tubal ligation
D.
Birth control pills
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Solution
Tubal ligation is a surgical procedure that permanently prevents pregnancy by blocking the fallopian tubes.
Correct Answer:
C
— Tubal ligation
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Q. Which device is used to convert AC to DC? (2023)
A.
Transistor
B.
Diode
C.
Capacitor
D.
Inductor
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Solution
A diode is used to convert alternating current (AC) to direct current (DC) by allowing current to flow in one direction.
Correct Answer:
B
— Diode
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Q. Which disease is caused by a deficiency of Vitamin C? (2022)
A.
Scurvy
B.
Rickets
C.
Beriberi
D.
Pellagra
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Solution
Scurvy is caused by a deficiency of Vitamin C, leading to symptoms like bleeding gums and weakness.
Correct Answer:
A
— Scurvy
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Q. Which element has the atomic number 11? (2022)
A.
Sodium
B.
Magnesium
C.
Potassium
D.
Calcium
Show solution
Solution
Sodium has the atomic number 11, indicating it has 11 protons.
Correct Answer:
A
— Sodium
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Q. Which element has the atomic number 1?
A.
Helium
B.
Hydrogen
C.
Lithium
D.
Beryllium
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Solution
Hydrogen has the atomic number 1.
Correct Answer:
B
— Hydrogen
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Q. Which element has the atomic number 6? (2021)
A.
Oxygen
B.
Carbon
C.
Nitrogen
D.
Hydrogen
Show solution
Solution
The element with atomic number 6 is Carbon (C).
Correct Answer:
B
— Carbon
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Q. Which element has the highest atomic number in the first 20 elements? (2020)
A.
Calcium
B.
Potassium
C.
Argon
D.
Chlorine
Show solution
Solution
Calcium has the highest atomic number (20) among the first 20 elements.
Correct Answer:
A
— Calcium
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Q. Which element has the highest electronegativity? (2023) 2023
A.
Fluorine
B.
Oxygen
C.
Chlorine
D.
Nitrogen
Show solution
Solution
Fluorine has the highest electronegativity.
Correct Answer:
A
— Fluorine
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