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 of the following factors does NOT affect the rate of transpiration? (2022)
A.
Humidity
B.
Temperature
C.
Wind speed
D.
Soil type
Show solution
Solution
Soil type does not directly affect the rate of transpiration; however, it can influence water availability.
Correct Answer:
D
— Soil type
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Q. Which of the following factors does NOT affect the tensile strength of a material? (2022)
A.
Temperature
B.
Material composition
C.
Length of the specimen
D.
Cross-sectional area
Show solution
Solution
The length of the specimen does not affect tensile strength; it is an intrinsic property of the material.
Correct Answer:
C
— Length of the specimen
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Q. Which of the following factors is considered an abiotic factor? (2019)
A.
Fungi
B.
Bacteria
C.
Sunlight
D.
Plants
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Solution
Abiotic factors are non-living chemical and physical components of the environment, such as sunlight, temperature, and water.
Correct Answer:
C
— Sunlight
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Q. Which of the following functional groups is present in alcohols? (2019)
A.
-OH
B.
-COOH
C.
-NH2
D.
-CHO
Show solution
Solution
Alcohols contain the hydroxyl functional group (-OH).
Correct Answer:
A
— -OH
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Q. Which of the following gases behaves most like an ideal gas? (2023)
A.
Helium
B.
Carbon dioxide
C.
Water vapor
D.
Ammonia
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Solution
Helium behaves most like an ideal gas due to its low intermolecular forces and small size, making it closer to the ideal gas behavior.
Correct Answer:
A
— Helium
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Q. Which of the following gases would have the highest average speed at the same temperature? (2020)
A.
Oxygen (O2)
B.
Nitrogen (N2)
C.
Hydrogen (H2)
D.
Carbon Dioxide (CO2)
Show solution
Solution
At the same temperature, lighter gases have higher average speeds. Hydrogen (H2) has the lowest molar mass and thus the highest average speed.
Correct Answer:
C
— Hydrogen (H2)
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Q. Which of the following groups includes only multicellular organisms? (2018)
A.
Monera
B.
Protista
C.
Fungi
D.
Animalia
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Solution
The kingdom Animalia includes only multicellular organisms.
Correct Answer:
D
— Animalia
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Q. Which of the following groups is characterized by the presence of a nucleus? (2023)
A.
Bacteria
B.
Archaea
C.
Eukarya
D.
Monera
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Solution
Eukarya is characterized by the presence of a true nucleus in its cells.
Correct Answer:
C
— Eukarya
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Q. Which of the following groups is known for being prokaryotic? (2018)
A.
Protozoa
B.
Fungi
C.
Bacteria
D.
Algae
Show solution
Solution
Bacteria are known for being prokaryotic organisms.
Correct Answer:
C
— Bacteria
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Q. Which of the following groups of animals is characterized by having feathers? (2021)
A.
Mammals
B.
Reptiles
C.
Birds
D.
Amphibians
Show solution
Solution
Birds are the only group of animals that possess feathers, which are essential for flight and insulation.
Correct Answer:
C
— Birds
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Q. Which of the following groups of animals is characterized by the presence of feathers? (2021)
A.
Mammals
B.
Reptiles
C.
Birds
D.
Amphibians
Show solution
Solution
Birds are the only group of animals characterized by the presence of feathers.
Correct Answer:
C
— Birds
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Q. Which of the following groups of animals is known for having a three-chambered heart? (2020)
A.
Fish
B.
Amphibians
C.
Reptiles
D.
Birds
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Solution
Amphibians typically have a three-chambered heart, consisting of two atria and one ventricle.
Correct Answer:
B
— Amphibians
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Q. Which of the following groups of animals is known for having a water vascular system? (2020)
A.
Mollusca
B.
Echinodermata
C.
Annelida
D.
Arthropoda
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Solution
Echinodermata, such as starfish and sea urchins, possess a unique water vascular system used for locomotion and feeding.
Correct Answer:
B
— Echinodermata
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Q. Which of the following groups of organisms is classified under the kingdom Animalia? (2023)
A.
Mushrooms
B.
Bacteria
C.
Insects
D.
Algae
Show solution
Solution
Insects are classified under the kingdom Animalia.
Correct Answer:
C
— Insects
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Q. Which of the following groups of organisms is classified under the kingdom Protista? (2018)
A.
Mushrooms
B.
Algae
C.
Worms
D.
Insects
Show solution
Solution
Algae are classified under the kingdom Protista.
Correct Answer:
B
— Algae
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Q. Which of the following groups of organisms is known for having a cell wall made of cellulose? (2023)
A.
Fungi
B.
Bacteria
C.
Plants
D.
Protozoa
Show solution
Solution
Plants have a cell wall made of cellulose, which is a defining characteristic.
Correct Answer:
C
— Plants
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Q. Which of the following groups of organisms is known for having a true nucleus? (2023)
A.
Bacteria
B.
Viruses
C.
Archaea
D.
Eukarya
Show solution
Solution
Eukarya is the group of organisms that have a true nucleus.
Correct Answer:
D
— Eukarya
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Q. Which of the following groups of plants is known for having seeds? (2022)
A.
Mosses
B.
Ferns
C.
Gymnosperms
D.
Algae
Show solution
Solution
Gymnosperms are known for having seeds, which are not enclosed in fruits.
Correct Answer:
C
— Gymnosperms
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Q. Which of the following groups of plants is known for having true roots, stems, and leaves? (2018)
A.
Bryophytes
B.
Pteridophytes
C.
Algae
D.
Fungi
Show solution
Solution
Pteridophytes are known for having true roots, stems, and leaves.
Correct Answer:
B
— Pteridophytes
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Q. Which of the following groups of plants is known for producing seeds? (2023)
A.
Mosses
B.
Ferns
C.
Gymnosperms
D.
Liverworts
Show solution
Solution
Gymnosperms are known for producing seeds, which are not enclosed in an ovary.
Correct Answer:
C
— Gymnosperms
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Q. Which of the following groups of plants is known for producing spores? (2021)
A.
Angiosperms
B.
Gymnosperms
C.
Pteridophytes
D.
Bryophytes
Show solution
Solution
Pteridophytes are known for producing spores as a means of reproduction.
Correct Answer:
C
— Pteridophytes
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Q. Which of the following groups of plants is primarily aquatic? (2019)
A.
Bryophytes
B.
Pteridophytes
C.
Angiosperms
D.
Gymnosperms
Show solution
Solution
Bryophytes, such as mosses and liverworts, are primarily aquatic and require water for reproduction.
Correct Answer:
A
— Bryophytes
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Q. Which of the following groups of plants reproduce through spores? (2022)
A.
Angiosperms
B.
Gymnosperms
C.
Pteridophytes
D.
All of the above
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Solution
Pteridophytes reproduce through spores, while angiosperms and gymnosperms reproduce through seeds.
Correct Answer:
C
— Pteridophytes
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Q. Which of the following haloalkanes can undergo elimination reaction more readily? (2023)
A.
1-bromopropane
B.
2-bromopropane
C.
3-bromopropane
D.
Bromobenzene
Show solution
Solution
Tertiary haloalkanes like 3-bromopropane can undergo elimination reactions more readily due to the stability of the resulting alkene.
Correct Answer:
C
— 3-bromopropane
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Q. Which of the following haloalkanes can undergo elimination reaction to form an alkene? (2021)
A.
1-bromopropane
B.
2-bromobutane
C.
Bromobenzene
D.
Chloroethane
Show solution
Solution
2-bromobutane can undergo elimination to form an alkene due to the presence of a beta-hydrogen.
Correct Answer:
B
— 2-bromobutane
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Q. Which of the following haloalkanes can undergo elimination to form an alkene? (2021)
A.
1-bromopropane
B.
2-bromobutane
C.
Bromobenzene
D.
Chloroethane
Show solution
Solution
2-bromobutane can undergo elimination to form an alkene due to the presence of a beta-hydrogen.
Correct Answer:
B
— 2-bromobutane
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Q. Which of the following haloalkanes is expected to be the most reactive in nucleophilic substitution reactions? (2023)
A.
Chloroethane
B.
Bromoethane
C.
Iodoethane
D.
Fluoroethane
Show solution
Solution
Iodoethane is the most reactive due to the weaker C-I bond compared to C-Br, C-Cl, and C-F bonds.
Correct Answer:
C
— Iodoethane
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Q. Which of the following haloalkanes is most likely to undergo elimination rather than substitution? (2020)
A.
1-bromobutane
B.
2-bromobutane
C.
3-bromobutane
D.
Bromobenzene
Show solution
Solution
3-bromobutane is more likely to undergo elimination due to steric hindrance, favoring the formation of alkenes.
Correct Answer:
C
— 3-bromobutane
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Q. Which of the following haloalkanes will undergo nucleophilic substitution most readily? (2022)
A.
1-chloropropane
B.
2-chloropropane
C.
3-chloropropane
D.
Bromobenzene
Show solution
Solution
Tertiary haloalkanes like 3-chloropropane undergo nucleophilic substitution more readily due to steric hindrance and the stability of the carbocation formed during the reaction.
Correct Answer:
C
— 3-chloropropane
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Q. Which of the following has the highest bond energy? (2023)
A.
C-H
B.
C-C
C.
C=N
D.
C≡C
Show solution
Solution
C≡C (triple bond) has the highest bond energy due to the strong attraction between the two carbon atoms.
Correct Answer:
D
— C≡C
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