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 is a type of RNA that helps in the formation of ribosomes? (2018)
A.
mRNA
B.
tRNA
C.
rRNA
D.
snRNA
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Solution
rRNA (ribosomal RNA) is a type of RNA that is a key component of ribosomes, facilitating protein synthesis.
Correct Answer:
C
— rRNA
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Q. Which of the following is a type of RNA that helps in the regulation of gene expression? (2020)
A.
mRNA
B.
tRNA
C.
rRNA
D.
miRNA
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Solution
miRNA (microRNA) is a type of RNA that plays a role in regulating gene expression by binding to mRNA.
Correct Answer:
D
— miRNA
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Q. Which of the following is a unicellular eukaryote? (2023)
A.
Bacteria
B.
Yeast
C.
Amoeba
D.
Paramecium
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Solution
Paramecium is a unicellular eukaryote.
Correct Answer:
D
— Paramecium
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Q. Which of the following is a unicellular eukaryotic organism? (2020)
A.
Bacteria
B.
Yeast
C.
Amoeba
D.
Paramecium
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Solution
Paramecium is a unicellular eukaryotic organism.
Correct Answer:
D
— Paramecium
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Q. Which of the following is a unicellular organism? (2019)
A.
Euglena
B.
Mango tree
C.
Human
D.
Frog
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Solution
Euglena is a unicellular organism.
Correct Answer:
A
— Euglena
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Q. Which of the following is a unit of frequency? (2023)
A.
Hertz
B.
Joule
C.
Newton
D.
Pascal
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Solution
Hertz (Hz) is the unit of frequency, defined as cycles per second.
Correct Answer:
A
— Hertz
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Q. Which of the following is a vector for malaria? (2019)
A.
Housefly
B.
Mosquito
C.
Tick
D.
Louse
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Solution
Malaria is transmitted by the female Anopheles mosquito, which acts as a vector.
Correct Answer:
B
— Mosquito
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Q. Which of the following is a vector for the transmission of dengue fever? (2021)
A.
Housefly
B.
Mosquito
C.
Tick
D.
Louse
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Solution
Dengue fever is transmitted by Aedes mosquitoes.
Correct Answer:
B
— Mosquito
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Q. Which of the following is a waste product of protein metabolism? (2019)
A.
Glucose
B.
Urea
C.
Lactate
D.
Glycogen
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Solution
Urea is a waste product formed from the breakdown of proteins and is excreted in urine.
Correct Answer:
B
— Urea
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Q. Which of the following is an abiotic factor in an ecosystem? (2019)
A.
Fungi
B.
Bacteria
C.
Temperature
D.
Plants
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Solution
Abiotic factors are the non-living physical and chemical components of an ecosystem, such as temperature.
Correct Answer:
C
— Temperature
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Q. Which of the following is an ether? (2023)
A.
Ethyl alcohol
B.
Dimethyl ether
C.
Phenol
D.
Acetic acid
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Solution
Dimethyl ether is an ether, characterized by the presence of an oxygen atom connected to two alkyl or aryl groups.
Correct Answer:
B
— Dimethyl ether
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Q. Which of the following is an example of a biotic factor in an ecosystem? (2022)
A.
Soil pH
B.
Temperature
C.
Plants
D.
Water availability
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Solution
Plants are a biotic factor as they are living organisms that interact with other organisms in the ecosystem.
Correct Answer:
C
— Plants
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Q. Which of the following is an example of a colligative property? (2021)
A.
Boiling point elevation
B.
Density
C.
Color
D.
pH
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Solution
Colligative properties depend on the number of solute particles in a solution, and boiling point elevation is one such property.
Correct Answer:
A
— Boiling point elevation
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Q. Which of the following is an example of a condensation polymer? (2023)
A.
Polyethylene
B.
Nylon-6,6
C.
Polystyrene
D.
Polyvinyl chloride
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Solution
Nylon-6,6 is a condensation polymer formed by the reaction of hexamethylenediamine and adipic acid.
Correct Answer:
B
— Nylon-6,6
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Q. Which of the following is an example of a decomposer? (2023)
A.
Fungi
B.
Grass
C.
Lion
D.
Insect
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Solution
Fungi are decomposers that break down dead organic matter, returning nutrients to the soil.
Correct Answer:
A
— Fungi
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Q. Which of the following is an example of a density-dependent factor affecting population growth? (2021)
A.
Natural disasters
B.
Disease
C.
Climate change
D.
Habitat destruction
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Solution
Density-dependent factors, such as disease, have a greater effect as the population density increases.
Correct Answer:
B
— Disease
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Q. Which of the following is an example of a dihybrid cross? (2019)
A.
Aa x Aa
B.
AaBb x AaBb
C.
AA x aa
D.
Aa x aa
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Solution
A dihybrid cross involves two traits, and AaBb x AaBb is an example of such a cross.
Correct Answer:
B
— AaBb x AaBb
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Q. Which of the following is an example of a genetically modified organism used in agriculture? (2023)
A.
Golden rice
B.
Organic wheat
C.
Traditional maize
D.
Heritage tomatoes
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Solution
Golden rice is a genetically modified organism enriched with vitamin A to combat malnutrition.
Correct Answer:
A
— Golden rice
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Q. Which of the following is an example of a genetically modified organism? (2021)
A.
Organic tomatoes
B.
Bt corn
C.
Heritage wheat
D.
Wild strawberries
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Solution
Bt corn is genetically modified to express a bacterial protein that provides resistance to certain pests.
Correct Answer:
B
— Bt corn
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Q. Which of the following is an example of a keystone species? (2018)
A.
Elephants
B.
Rabbits
C.
Deer
D.
Sparrows
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Solution
Elephants are considered a keystone species because they play a critical role in maintaining the structure of their ecosystem.
Correct Answer:
A
— Elephants
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Q. Which of the following is an example of a longitudinal wave? (2023)
A.
Light wave
B.
Sound wave
C.
Water wave
D.
Seismic S-wave
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Solution
A sound wave is an example of a longitudinal wave, where the particle displacement is parallel to the direction of wave propagation.
Correct Answer:
B
— Sound wave
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Q. Which of the following is an example of a lyophilic colloid? (2021)
A.
Starch in water
B.
Smoke in air
C.
Milk
D.
Dust in air
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Solution
Starch in water is a lyophilic colloid as it has a strong affinity for the solvent.
Correct Answer:
A
— Starch in water
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Q. Which of the following is an example of a metallic solid? (2023)
A.
NaCl
B.
SiO2
C.
Fe
D.
C12H22O11
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Solution
Iron (Fe) is an example of a metallic solid, characterized by its metallic bonding and properties.
Correct Answer:
C
— Fe
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Q. Which of the following is an example of a molecular solid? (2023)
A.
NaCl
B.
Diamond
C.
Iodine (I2)
D.
Iron (Fe)
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Solution
Iodine (I2) is an example of a molecular solid, where molecules are held together by van der Waals forces.
Correct Answer:
C
— Iodine (I2)
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Q. Which of the following is an example of a mutualistic relationship? (2023)
A.
Bees pollinating flowers
B.
Lions hunting zebras
C.
Moss growing on a tree
D.
Birds nesting in trees
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Solution
Bees pollinating flowers is a mutualistic relationship where both species benefit from the interaction.
Correct Answer:
A
— Bees pollinating flowers
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Q. Which of the following is an example of a natural sweetener? (2021)
A.
Aspartame
B.
Stevia
C.
Sucralose
D.
Saccharin
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Solution
Stevia is a natural sweetener derived from the leaves of the Stevia rebaudiana plant, making it a healthier alternative to synthetic sweeteners.
Correct Answer:
B
— Stevia
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Q. Which of the following is an example of a non-renewable energy source? (2017)
A.
Solar energy
B.
Wind energy
C.
Natural gas
D.
Hydropower
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Solution
Natural gas is a non-renewable energy source as it is derived from fossil fuels that cannot be replenished in a short time.
Correct Answer:
C
— Natural gas
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Q. Which of the following is an example of a non-stoichiometric solid? (2023)
A.
NaCl
B.
FeO
C.
MgO
D.
KCl
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Solution
FeO is an example of a non-stoichiometric solid because it can have varying ratios of iron and oxygen.
Correct Answer:
B
— FeO
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Q. Which of the following is an example of a plasma? (2023)
A.
Ice
B.
Water
C.
Steam
D.
Lightning
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Solution
Lightning is an example of plasma, which is a state of matter consisting of ionized gas with free electrons.
Correct Answer:
D
— Lightning
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Q. Which of the following is an example of a primary consumer? (2021)
A.
Grass
B.
Rabbit
C.
Fox
D.
Mushroom
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Solution
A rabbit is an example of a primary consumer as it feeds on plants (producers).
Correct Answer:
B
— Rabbit
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