Q. Which of the following is an example of budding? (2023)
A.
Starfish regeneration
B.
Hydra
C.
Bacteria
D.
Moss
Show solution
Solution
Budding is exemplified by Hydra, where a new individual develops from an outgrowth of the parent.
Correct Answer:
B
— Hydra
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Q. Which of the following is an example of convergent evolution? (1980)
A.
Darwin's finches
B.
Whales and fish
C.
Horses and zebras
D.
Dogs and wolves
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Solution
Convergent evolution occurs when unrelated species evolve similar traits, as seen in whales and fish, which both have streamlined bodies for swimming.
Correct Answer:
B
— Whales and fish
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Q. Which of the following is an example of divergent evolution?
A.
Wings of bats and birds
B.
Body shape of dolphins and sharks
C.
Darwin's finches
D.
Cacti and succulents
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Solution
Darwin's finches are an example of divergent evolution, where different species evolved from a common ancestor and adapted to different environments.
Correct Answer:
C
— Darwin's finches
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Q. Which of the following is an example of ex-situ conservation? (2023)
A.
National parks
B.
Wildlife reserves
C.
Aquariums
D.
Biosphere reserves
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Solution
Aquariums are an example of ex-situ conservation as they involve the conservation of species outside their natural habitats.
Correct Answer:
C
— Aquariums
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Q. Which of the following is an example of fragmentation? (2023)
A.
Starfish
B.
Bacteria
C.
Fungi
D.
All of the above
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Solution
Starfish can reproduce through fragmentation, where a part of the organism breaks off and develops into a new individual.
Correct Answer:
A
— Starfish
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Q. Which of the following is an example of mutualism? (2021)
A.
A lion hunting a zebra
B.
Bees pollinating flowers
C.
A tick feeding on a dog
D.
A bird eating ticks off a cow
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Solution
Mutualism is a symbiotic relationship where both species benefit, such as bees pollinating flowers.
Correct Answer:
B
— Bees pollinating flowers
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Q. Which of the following is an example of sexual reproduction? (2023)
A.
Budding in hydra
B.
Fission in amoeba
C.
Pollination in flowering plants
D.
Regeneration in planaria
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Solution
Pollination in flowering plants is a key process in sexual reproduction, involving the transfer of pollen to fertilize ovules.
Correct Answer:
C
— Pollination in flowering plants
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Q. Which of the following is an example of sublimation? (2022)
A.
Ice melting
B.
Dry ice turning into gas
C.
Water boiling
D.
Salt dissolving in water
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Solution
Sublimation is the process where a solid turns directly into a gas, as seen with dry ice (solid CO2).
Correct Answer:
B
— Dry ice turning into gas
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Q. Which of the following is an example of thermal expansion? (2021)
A.
A balloon inflating when heated
B.
Ice melting in water
C.
Water boiling
D.
A metal rod contracting in cold
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Solution
A balloon inflating when heated is an example of thermal expansion, as the gas inside expands with increased temperature.
Correct Answer:
A
— A balloon inflating when heated
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Q. Which of the following is asexual reproduction? (2019)
A.
Budding in hydra
B.
Fertilization in frogs
C.
Pollination in flowering plants
D.
Binary fission in amoeba
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Solution
Binary fission in amoeba is a form of asexual reproduction where a single organism divides into two.
Correct Answer:
D
— Binary fission in amoeba
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Q. Which of the following is known as the powerhouse of the cell? (2020)
A.
Nucleus
B.
Mitochondria
C.
Ribosome
D.
Endoplasmic Reticulum
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Solution
Mitochondria are known as the powerhouse of the cell because they produce ATP, the energy currency of the cell.
Correct Answer:
B
— Mitochondria
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Q. Which of the following is NOT a benefit of biodiversity? (2022)
A.
Increased ecosystem productivity
B.
Stability of ecosystems
C.
Reduction of disease
D.
Increased pollution
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Solution
Increased pollution is not a benefit of biodiversity; rather, biodiversity helps in reducing pollution.
Correct Answer:
D
— Increased pollution
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Q. Which of the following is NOT a benefit of biotechnology in agriculture? (2020)
A.
Increased crop yield
B.
Reduced pesticide use
C.
Enhanced food security
D.
Higher labor costs
Show solution
Solution
Higher labor costs are not a benefit of biotechnology; in fact, biotechnology often aims to reduce labor costs through increased efficiency.
Correct Answer:
D
— Higher labor costs
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Q. Which of the following is NOT a benefit of biotechnology in medicine? (2020)
A.
Production of monoclonal antibodies
B.
Development of vaccines
C.
Creation of synthetic fertilizers
D.
Gene therapy
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Solution
Creation of synthetic fertilizers is not a benefit of biotechnology in medicine; it is related to agricultural biotechnology.
Correct Answer:
C
— Creation of synthetic fertilizers
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Q. Which of the following is NOT a benefit of genetically modified crops? (2022)
A.
Increased yield
B.
Reduced pesticide use
C.
Enhanced nutritional content
D.
Higher cost of production
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Solution
Genetically modified crops are generally designed to reduce costs and increase yield, not to increase production costs.
Correct Answer:
D
— Higher cost of production
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Q. Which of the following is NOT a benefit of genetically modified organisms (GMOs)? (2022)
A.
Increased resistance to pests
B.
Higher nutritional value
C.
Reduced agricultural yield
D.
Drought resistance
Show solution
Solution
Reduced agricultural yield is not a benefit of GMOs; in fact, they are designed to increase yield and resilience.
Correct Answer:
C
— Reduced agricultural yield
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Q. Which of the following is NOT a benefit of using biotechnology in agriculture? (2022)
A.
Reduced pesticide use
B.
Increased resistance to diseases
C.
Higher production costs
D.
Enhanced nutritional content
Show solution
Solution
Higher production costs are not a benefit of biotechnology; in fact, biotechnology aims to reduce costs.
Correct Answer:
C
— Higher production costs
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Q. Which of the following is NOT a biotechnological application in medicine? (2022)
A.
Gene therapy
B.
Monoclonal antibodies
C.
Genetic engineering of crops
D.
Vaccines production
Show solution
Solution
Genetic engineering of crops is primarily an agricultural application, not a direct medical application.
Correct Answer:
C
— Genetic engineering of crops
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Q. Which of the following is NOT a biotechnological application? (2022)
A.
Bioremediation
B.
Gene therapy
C.
Traditional farming
D.
Production of biofuels
Show solution
Solution
Traditional farming does not involve biotechnological methods, while the other options are applications of biotechnology.
Correct Answer:
C
— Traditional farming
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Q. Which of the following is NOT a characteristic of a population? (2023)
A.
Density
B.
Birth rate
C.
Age structure
D.
Species diversity
Show solution
Solution
Species diversity refers to the variety of species in an ecosystem, not a characteristic of a single population.
Correct Answer:
D
— Species diversity
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Q. Which of the following is NOT a characteristic of an ecosystem? (2021)
A.
Energy flow
B.
Nutrient cycling
C.
Static population
D.
Biotic and abiotic interactions
Show solution
Solution
Ecosystems are dynamic and characterized by changing populations, not static populations.
Correct Answer:
C
— Static population
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Q. Which of the following is not a characteristic of an endothermic reaction? (2023)
A.
Absorbs heat
B.
Feels cold to the touch
C.
Releases heat
D.
Positive ΔH
Show solution
Solution
Endothermic reactions absorb heat, feel cold, and have a positive ΔH; they do not release heat.
Correct Answer:
C
— Releases heat
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Q. Which of the following is NOT a characteristic of an exothermic reaction? (2019)
A.
Releases heat
B.
ΔH is negative
C.
Temperature of the surroundings increases
D.
Absorbs energy from the surroundings
Show solution
Solution
An exothermic reaction releases heat and has a negative ΔH. It causes the temperature of the surroundings to increase, not absorb energy.
Correct Answer:
D
— Absorbs energy from the surroundings
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Q. Which of the following is not a characteristic of an ideal solution? (2019)
A.
Constant boiling point
B.
Obeys Raoult's law
C.
No heat change on mixing
D.
Variable composition
Show solution
Solution
An ideal solution has a constant boiling point and obeys Raoult's law, while variable composition is not a characteristic.
Correct Answer:
D
— Variable composition
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Q. Which of the following is NOT a characteristic of crystalline solids? (2019)
A.
Anisotropy
B.
Definite melting point
C.
Isotropy
D.
Long-range order
Show solution
Solution
Crystalline solids exhibit anisotropy, meaning their properties vary with direction, while isotropy refers to uniform properties in all directions.
Correct Answer:
C
— Isotropy
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Q. Which of the following is not a characteristic of d-block elements? (2023)
A.
Formation of complex ions
B.
Variable oxidation states
C.
High ionization energies
D.
Good conductors of electricity
Show solution
Solution
D-block elements typically have variable oxidation states and lower ionization energies compared to p-block elements.
Correct Answer:
C
— High ionization energies
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Q. Which of the following is NOT a characteristic of essential oils? (2021)
A.
Volatile
B.
Non-polar
C.
Water-soluble
D.
Aromatic
Show solution
Solution
Essential oils are typically non-water-soluble and are known for their volatile and aromatic properties.
Correct Answer:
C
— Water-soluble
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Q. Which of the following is NOT a characteristic of ionic solids? (2021)
A.
High melting point
B.
Electrical conductivity in solid state
C.
Brittleness
D.
Solubility in water
Show solution
Solution
Ionic solids do not conduct electricity in the solid state; they conduct when melted or dissolved in water.
Correct Answer:
B
— Electrical conductivity in solid state
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Q. Which of the following is NOT a characteristic of K-selected species? (2022)
A.
Long lifespan
B.
High parental care
C.
High reproductive rate
D.
Stable population size
Show solution
Solution
K-selected species typically have low reproductive rates, focusing on raising fewer offspring with high parental care.
Correct Answer:
C
— High reproductive rate
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Q. Which of the following is not a characteristic of life? (2023)
A.
Metabolism
B.
Homeostasis
C.
Adaptation
D.
Decay
Show solution
Solution
Decay is not a characteristic of life; it is a process that occurs after death.
Correct Answer:
D
— Decay
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Medical Entrance MCQ & Objective Questions
Preparing for medical entrance exams is a crucial step for aspiring doctors in India. Mastering MCQs and objective questions can significantly enhance your exam performance. By practicing these questions, you not only familiarize yourself with the exam format but also strengthen your understanding of important concepts and topics essential for scoring better.
What You Will Practise Here
Key concepts in Biology, Chemistry, and Physics relevant to medical entrance.
Important formulas and definitions that frequently appear in exams.
Diagrams and illustrations to help visualize complex processes.
Practice questions based on previous years' medical entrance exams.
Conceptual clarity through detailed explanations of difficult topics.
Strategies for tackling tricky MCQs and objective questions.
Time management techniques for effective exam preparation.
Exam Relevance
Medical entrance topics are integral to various examinations like NEET, JEE, and state board assessments. These subjects often feature MCQs that test your grasp of fundamental concepts and application skills. Common question patterns include multiple-choice questions that assess both theoretical knowledge and practical understanding, making it vital to practice regularly with important Medical Entrance questions for exams.
Common Mistakes Students Make
Overlooking the importance of reading questions carefully, leading to misinterpretation.
Neglecting to revise basic concepts, which can result in confusion during exams.
Relying solely on rote memorization instead of understanding the underlying principles.
Failing to practice time management, which can hinder performance in timed exams.
FAQs
Question: What are Medical Entrance MCQ questions?Answer: Medical Entrance MCQ questions are multiple-choice questions designed to test your knowledge and understanding of subjects relevant to medical entrance exams.
Question: How can I improve my performance in Medical Entrance objective questions?Answer: Regular practice of MCQs, understanding key concepts, and reviewing previous years' papers can significantly improve your performance.
Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence as you prepare for your medical entrance exams.