AP Biology Exam: Trivia Questions On Introduction To Biology! Quiz

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AP Biology Exam: Trivia Questions On Introduction To Biology! Quiz - Quiz

Are you preparing for the AP Biology Exam? This trivia Questions on Introduction to Biology will come in handy when it comes to preparing for it. Don’t doubt yourself so much, do give it a shot and get to see which topics you need to concentrate more on. All the best and keep an eye out for other quizzes like it.


Questions and Answers
  • 1. 

    ____ is the unifying concept of biology.

    • A.

      Life

    • B.

      Growth

    • C.

      Genetics

    • D.

      Evolution

    Correct Answer
    D. Evolution
    Explanation
    Evolution is considered the unifying concept of biology because it explains how all living organisms on Earth have descended from a common ancestor through gradual changes over time. It provides a framework for understanding the diversity of life, the adaptations of organisms to their environment, and the processes that drive the formation of new species. Evolutionary principles are applicable to all branches of biology, from genetics and development to ecology and behavior, making it the fundamental concept that ties together various fields of study in biology.

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  • 2. 

    What is evolution?

    • A.

      A change over time

    • B.

      DNA mutation

    • C.

      Organisms developing new traits

    • D.

      A religious belief created by Charles Darwin

    Correct Answer
    A. A change over time
    Explanation
    Evolution refers to the process of change over time in living organisms. It involves the gradual development and adaptation of species through genetic variations and natural selection. This concept is supported by scientific evidence and has been widely accepted in the field of biology. It is not a religious belief created by Charles Darwin, but rather a scientific explanation for the diversity of life on Earth.

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  • 3. 

    Name the four steps to natural selection.

    • A.

      Variations in living organisms, variations are inherited, too many offspring for environment to support, all organisms change

    • B.

      Variations in DNA, variations are inherited, offspring are born, only the fittest survive

    • C.

      Variations in living organisms, variations are inherited, too many offspring for environment to support, only the fittest survive

    • D.

      Variations in living organisms, variations in nonliving factors, too many offspring for environment to support, only the fittest survive

    Correct Answer
    C. Variations in living organisms, variations are inherited, too many offspring for environment to support, only the fittest survive
    Explanation
    The correct answer is "Variations in living organisms, variations are inherited, too many offspring for environment to support, only the fittest survive." This answer accurately describes the four steps of natural selection. First, there are variations in living organisms, meaning that individuals within a species have different traits. Second, these variations are inherited, meaning they can be passed down from parents to offspring. Third, there are typically more offspring produced than the environment can support, creating competition for resources. Finally, only the fittest individuals, those with traits that are advantageous in their environment, are able to survive and reproduce, passing on their favorable traits to future generations.

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  • 4. 

    What is a differential reproductive success?

    • A.

      Every time an organism mates, it will differ in its success

    • B.

      Mating in organisms causes mutations, resulting in evolution

    • C.

      Your mom.

    • D.

      An organism survives, mates, and its offspring look like it

    Correct Answer
    D. An organism survives, mates, and its offspring look like it
    Explanation
    Differential reproductive success refers to the variation in the number of offspring produced by different individuals within a population. It means that some organisms are more successful in reproducing and passing on their genes to the next generation, while others are less successful. This variation in reproductive success is a key driving force of evolution, as it leads to the accumulation of beneficial traits in a population over time.

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  • 5. 

    What are the 7 properties of life?

    • A.

      Regulation, growth and development, order, reproduction, response to environment and behavior, evolution, energy processing

    • B.

      Regulation, growth and development, order, reproduction, response to environment and behavior, evolution, energy usage

    • C.

      Regulation, growth, order, reproduction, response to environment and behavior, evolution, energy consumption

    • D.

      Cellular processes, development, order, reproduction, response to environment and behavior, evolution, energy processing

    Correct Answer
    A. Regulation, growth and development, order, reproduction, response to environment and behavior, evolution, energy processing
    Explanation
    The 7 properties of life include regulation, growth and development, order, reproduction, response to environment and behavior, evolution, and energy processing. These properties are essential for living organisms to function and survive. Regulation refers to the ability to maintain internal stability, growth and development involve an increase in size and complexity, order refers to the organization of structures and processes, reproduction is the ability to produce offspring, response to environment and behavior involves reacting to stimuli and exhibiting behavior, evolution is the change in populations over time, and energy processing is the ability to obtain and use energy to carry out life processes.

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  • 6. 

    What is the difference between growth and development?

    • A.

      Growth involves changing and specializing, while development involves getting bigger

    • B.

      They are the same.

    • C.

      Growth involves getting bigger, while development involves changing and specializing

    • D.

      Puddin' Pop

    Correct Answer
    C. Growth involves getting bigger, while development involves changing and specializing
    Explanation
    The correct answer is that growth involves getting bigger, while development involves changing and specializing. Growth refers to the physical increase in size or quantity, while development refers to the progress and improvement in skills, abilities, and knowledge. Growth is a more general term, while development is a more specific and focused process that involves acquiring new traits or characteristics.

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  • 7. 

    Name the hierarchy for life from smallest to largest.

    • A.

      Atoms and molecules, organelles, cells, tissues, organs, organ systems, organism, population, community, ecosystem, biome, biosphere

    • B.

      Atoms and molecules, organelles, cells, organs, organism, population, community, ecosystem, biome, biosphere

    • C.

      Atoms and molecules, cells, organelles, tissues, organs, organ systems, organism, ecosystem, community, population, biome, biosphere

    • D.

      Biosphere, biome, ecosystem, community, population, organism, organ system, organ, tissues, cells, organelles, atoms and molecules

    Correct Answer
    A. Atoms and molecules, organelles, cells, tissues, organs, organ systems, organism, population, community, ecosystem, biome, biosphere
    Explanation
    The correct answer is atoms and molecules, organelles, cells, tissues, organs, organ systems, organism, population, community, ecosystem, biome, biosphere. This hierarchy starts with the smallest units of matter, atoms and molecules, and progresses to larger and more complex structures such as organelles, cells, tissues, organs, and organ systems. From there, it moves on to different levels of organization within ecosystems, including populations, communities, and ecosystems themselves. Finally, it encompasses larger scales such as biomes and the entire biosphere.

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  • 8. 

    What is a prokaryote?

    • A.

      A cell with no nucleus or membranes

    • B.

      A cell with a nucleus and membranes

    • C.

      A cell with no nucleus, but with membranes

    • D.

      A cell with a nucleus, but no membranes

    Correct Answer
    A. A cell with no nucleus or membranes
    Explanation
    A prokaryote is a type of cell that does not have a nucleus or any membrane-bound organelles. This means that the genetic material in a prokaryotic cell is not enclosed within a separate compartment, but rather floats freely in the cytoplasm. Prokaryotes, such as bacteria, have a simpler structure compared to eukaryotic cells, which have a nucleus and various membrane-bound organelles. The absence of a nucleus and membranes allows prokaryotes to have a smaller size and simpler internal organization.

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  • 9. 

    What is a eukaryote?

    • A.

      A cell with no nucleus or membranes

    • B.

      A cell with a nucleus and membranes

    • C.

      A cell with no nucleus, but with membranes

    • D.

      A cell with a nucleus, but no membranes

    Correct Answer
    B. A cell with a nucleus and membranes
    Explanation
    A eukaryote is a type of cell that has a nucleus and membranes. The presence of a nucleus distinguishes eukaryotic cells from prokaryotic cells, which do not have a nucleus. The membranes in eukaryotic cells include the plasma membrane, which surrounds the cell, and various internal membranes that compartmentalize different cellular functions.

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  • 10. 

    What is a population?

    • A.

      All different species that live in a given area

    • B.

      All different species that live in a given area as well as all abiotic factors, such as climate

    • C.

      All individuals of the same species in a given area

    • D.

      A largescale ecosystem

    Correct Answer
    C. All individuals of the same species in a given area
    Explanation
    A population refers to all individuals of the same species that live in a given area. It does not include different species or abiotic factors like climate. Instead, it focuses on the specific group of organisms belonging to the same species within a particular geographic location. This definition helps to distinguish populations from other ecological concepts such as communities or ecosystems.

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  • 11. 

    What is a community?

    • A.

      All different species that live in a given area

    • B.

      All different species that live in a given area as well as all abiotic factors, such as climate

    • C.

      All individuals of the same species in a given area

    • D.

      A largescale ecosystem

    Correct Answer
    A. All different species that live in a given area
    Explanation
    A community refers to all different species that live in a given area. It includes the interactions and relationships between these species and their environment. This definition encompasses both biotic factors (living organisms) and abiotic factors (such as climate) that influence the community dynamics. It is important to note that a community is not limited to a single species or a specific size, but rather represents the collective presence of various species within a defined geographic area.

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  • 12. 

    What is an ecosystem?

    • A.

      All different species that live in a given area

    • B.

      All different species that live in a given area as well as all abiotic factors, such as climate

    • C.

      All individuals of the same species in a given area

    • D.

      All of the biomes on Earth

    Correct Answer
    B. All different species that live in a given area as well as all abiotic factors, such as climate
    Explanation
    An ecosystem refers to all the different species that live in a given area, including plants, animals, and microorganisms, as well as the non-living components such as climate, soil, water, and sunlight. It encompasses the interactions and relationships between these living and non-living elements, forming a complex and interconnected web of life. This definition highlights the importance of both biotic (living) and abiotic (non-living) factors in shaping and sustaining the ecosystem.

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  • 13. 

    What is a biome?

    • A.

      All different species that live in a given area

    • B.

      All different species that live in a given area as well as all abiotic factors, such as climate

    • C.

      All individuals of the same species in a given area

    • D.

      A largescale ecosystem

    Correct Answer
    D. A largescale ecosystem
    Explanation
    A biome refers to a largescale ecosystem that encompasses a specific geographical area characterized by distinct climate, vegetation, and animal life. It includes all the abiotic factors such as temperature, rainfall, and soil composition, along with the diverse range of species that inhabit the area. Biomes can vary greatly in terms of their physical and biological characteristics, and they play a crucial role in shaping the distribution and abundance of organisms within them.

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  • 14. 

    What is a biosphere?

    • A.

      All of the biomes on Earth

    • B.

      A largescale ecosystem

    • C.

      All individuals of the same species in a given area

    • D.

      All different species that live in a given area as well as all abiotic factors, such as climate

    Correct Answer
    A. All of the biomes on Earth
    Explanation
    The biosphere refers to all of the biomes on Earth, which includes all different types of ecosystems such as forests, deserts, grasslands, and aquatic environments. It encompasses the interactions between living organisms and their physical environment. The biosphere is a complex system where all the biotic (living) and abiotic (non-living) factors interact and influence each other. It is the highest level of organization in ecology and represents the sum total of all ecosystems on Earth.

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  • 15. 

    What is taxonomy?

    • A.

      The study of how Congress taxes the American people

    • B.

      The study of classifying organisms

    • C.

      The study of naming organisms

    • D.

      The study of how organisms interact with each other

    Correct Answer
    B. The study of classifying organisms
    Explanation
    Taxonomy is the scientific study of classifying organisms based on their characteristics and relationships. It involves organizing and categorizing living organisms into different groups and hierarchies based on their similarities and differences. This helps scientists understand the diversity of life on Earth and how different species are related to each other. By studying taxonomy, scientists can also identify and name new species, and understand the evolutionary history and relationships between different organisms.

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  • 16. 

    Name the hierarchy of classifying organisms, from smallest to largest.

    • A.

      Domain, kingdom, phylum, genus, order, family, species

    • B.

      Domain, kingdom, phylum, class, family, order, genus, species

    • C.

      Species, genus, family, order, class, phylum, kingdom, domain

    • D.

      Domain, kingdom, phylum, class, order, family, genus, species

    Correct Answer
    D. Domain, kingdom, phylum, class, order, family, genus, species
    Explanation
    The correct answer is "domain, kingdom, phylum, class, order, family, genus, species." This is the correct hierarchy of classifying organisms from smallest to largest. The domain is the highest level of classification, followed by kingdom, phylum, class, order, family, genus, and species. This hierarchical system allows scientists to categorize and organize organisms based on their similarities and differences, helping to understand the relationships between different species.

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  • 17. 

    Name the 3 domains.

    • A.

      Virus, bacteria, eukaria

    • B.

      Archaea, eukaria, prokaria

    • C.

      Bacteria, archaea, eukaria

    • D.

      Animalia, plantae, fungi

    Correct Answer
    C. Bacteria, archaea, eukaria
    Explanation
    The correct answer is bacteria, archaea, eukaria. These three domains represent the highest level of classification for all living organisms. Bacteria are single-celled organisms that lack a nucleus, while archaea are also single-celled but have distinct characteristics that set them apart from bacteria. Eukarya, on the other hand, includes all organisms with cells that have a nucleus, such as plants, animals, fungi, and protists. Together, these three domains encompass the vast diversity of life on Earth.

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  • 18. 

    Which of the 3 domains are prokaryotes?

    • A.

      Bacteria and archaea

    • B.

      Bacteria only

    • C.

      Archaea only

    • D.

      Eukaria and bacteria

    Correct Answer
    A. Bacteria and archaea
    Explanation
    Bacteria and archaea are the two domains of prokaryotes. Prokaryotes are single-celled organisms that lack a nucleus and other membrane-bound organelles. Bacteria are the most well-known and diverse group of prokaryotes, found in various habitats. Archaea, on the other hand, are a group of microorganisms that can survive in extreme environments. Both bacteria and archaea have simple cell structures and lack a true nucleus, distinguishing them from eukaryotes. Therefore, bacteria and archaea are the correct answer as they are the domains of prokaryotes.

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  • 19. 

    Which of the 3 domains are eukaryotes?

    • A.

      Bacteria and eukaria

    • B.

      Archaea and eukaria

    • C.

      Eukaria only

    • D.

      Archaea only

    Correct Answer
    C. Eukaria only
    Explanation
    Eukarya is the correct answer because it is the only domain among the options that consists of eukaryotes. Eukaryotes are organisms that have complex cells with a nucleus and other membrane-bound organelles. Bacteria and Archaea, on the other hand, are domains that consist of prokaryotes, which are organisms with simpler cells that lack a nucleus and membrane-bound organelles.

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  • 20. 

    What is included in the domain archaea?

    • A.

      Newer bacteria

    • B.

      All bacteria

    • C.

      Extinct organisms, such as dinosaurs

    • D.

      Primitive bacteria

    Correct Answer
    D. Primitive bacteria
    Explanation
    The domain archaea includes primitive bacteria. Archaea are a group of single-celled microorganisms that are similar to bacteria but have distinct genetic and biochemical characteristics. They are often referred to as primitive bacteria because they are believed to be one of the oldest forms of life on Earth. Archaea are known for their ability to survive in extreme environments such as hot springs, deep-sea hydrothermal vents, and salt lakes. They play a crucial role in various ecological processes and have unique metabolic pathways that set them apart from other bacteria.

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  • 21. 

    What is included in the domain bacteria?

    • A.

      Newer bacteria

    • B.

      All bacteria

    • C.

      Primitive bacteria

    • D.

      Bacteria, as well as viruses

    Correct Answer
    A. Newer bacteria
    Explanation
    The correct answer is "newer bacteria" because the question is asking about what is included in the domain bacteria. The term "newer bacteria" refers to the more recently discovered and classified bacteria, which are part of the domain bacteria. This answer excludes primitive bacteria and viruses, indicating that only the more recent bacterial species are included in the domain.

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  • 22. 

    What is included in the domain eukaria?

    • A.

      Primitive forms of life

    • B.

      All eukaryotes

    • C.

      Animals and plants only

    • D.

      All prokaryotes and eukaryotes

    Correct Answer
    B. All eukaryotes
    Explanation
    The domain Eukaria includes all eukaryotes. Eukaryotes are organisms that have complex cells with a nucleus and membrane-bound organelles. This domain includes a wide range of organisms such as animals, plants, fungi, and protists. It does not include primitive forms of life or prokaryotes, which are organisms that lack a nucleus and membrane-bound organelles.

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  • 23. 

    Name the 4 kingdoms of eukaria.

    • A.

      Plantae, Animalia, Fungi, Protistia

    • B.

      Plantae, Animalia, Archaea, Protistia

    • C.

      Plantae, Animalia, Fungi, Bacteria

    • D.

      Plantae, Animalia, Bacteria, Archaea

    Correct Answer
    A. Plantae, Animalia, Fungi, Protistia
    Explanation
    The correct answer is Plantae, Animalia, Fungi, Protistia. These are the four kingdoms of eukaryotes. Plantae includes all plants, Animalia includes all animals, Fungi includes all fungi, and Protistia includes all protists.

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  • 24. 

    What phylum are humans in?

    • A.

      Brachiopoda

    • B.

      Annelida

    • C.

      Nematoda

    • D.

      Chordata

    Correct Answer
    D. Chordata
    Explanation
    Humans are classified in the phylum Chordata. This phylum includes animals that have a notochord, a dorsal nerve cord, and pharyngeal slits or pouches at some point in their life cycle. Humans possess all of these characteristics during their embryonic development, which places them in the phylum Chordata.

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  • 25. 

    What class are humans in?

    • A.

      Aves

    • B.

      Mammalia

    • C.

      Reptila

    • D.

      Osteichthyes

    Correct Answer
    B. Mammalia
    Explanation
    Humans are classified as mammals because they possess characteristics that are common to this class. Mammals are warm-blooded animals that have mammary glands, which produce milk to nourish their young. They also have hair or fur, a unique feature among vertebrates. Humans exhibit these traits, making them part of the Mammalia class.

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  • 26. 

    What order are humans in?

    • A.

      Humana

    • B.

      Primata

    • C.

      Primatomorpha

    • D.

      Scandentia

    Correct Answer
    B. Primata
    Explanation
    The correct answer is Primata. Primata is the correct order for humans. Primata is a group of mammals that includes humans, apes, monkeys, and prosimians. This order is characterized by having forward-facing eyes, grasping hands, and highly developed brains. Humans belong to the order Primata based on their anatomical and genetic similarities to other primates.

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  • 27. 

    What family are humans in?

    • A.

      Humana

    • B.

      Daubentoniidae

    • C.

      Galagidae

    • D.

      Hominidae

    Correct Answer
    D. Hominidae
    Explanation
    Humans are in the family Hominidae. This family includes great apes such as orangutans, gorillas, and chimpanzees, as well as humans. Hominidae is characterized by their larger size, advanced cognitive abilities, and the ability to walk upright. Humans belong to this family because they share common ancestry and evolutionary traits with other members of the Hominidae family.

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  • 28. 

    What genus are humans in?

    • A.

      Homo

    • B.

      Humans are not in a genus

    • C.

      Australopithecus

    • D.

      Both A and C

    Correct Answer
    A. Homo
    Explanation
    The correct answer is Homo. Humans belong to the genus Homo, which includes modern humans as well as extinct species such as Homo neanderthalensis and Homo habilis. This genus is characterized by traits such as larger brain size and the ability to use tools. The option "Humans are not in a genus" is incorrect, as humans are indeed classified within the genus Homo. The option "Australopithecus" is also incorrect, as Australopithecus is a separate genus that includes extinct hominin species that are not directly ancestral to humans.

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  • 29. 

    What species are humans?

    • A.

      Homo Erectus

    • B.

      Homo Neanderthal

    • C.

      Homo Habilis

    • D.

      Homo Sapien

    Correct Answer
    D. Homo Sapien
    Explanation
    The correct answer is Homo Sapien because Homo Sapiens are the scientific name for modern humans. Homo Erectus, Homo Neanderthal, and Homo Habilis are all extinct species of early humans that lived before Homo Sapiens.

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  • 30. 

    In the species name "Homo sapien," which is the genus and which is the epitat?

    • A.

      Homo is the epitat, sapien is the genus

    • B.

      Both are epitats

    • C.

      Homo is the genus, sapien is the epitat

    • D.

      Both are genuses

    Correct Answer
    C. Homo is the genus, sapien is the epitat
    Explanation
    In the species name "Homo sapien," Homo is the genus and sapien is the epitat. The genus refers to the broader category or group to which the species belongs, while the epitat is the specific descriptor that further classifies the species within the genus. In this case, Homo is the genus that includes other species like Homo neanderthalensis, Homo erectus, etc., and sapien is the epitat that distinguishes the specific species Homo sapiens from other species within the genus Homo.

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  • 31. 

    What is homeostasis?

    • A.

      A genetic disorder

    • B.

      A steady state

    • C.

      An unsteady state

    • D.

      An extinct form of human

    Correct Answer
    B. A steady state
    Explanation
    Homeostasis refers to the ability of an organism or system to maintain a stable internal environment despite external changes. It involves various physiological processes that work together to regulate temperature, pH, blood sugar levels, and other vital parameters within a narrow range. This ensures optimal functioning and survival of the organism. Therefore, the correct answer is "A steady state" as it accurately describes the concept of homeostasis.

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  • 32. 

    What is positive feedback?

    • A.

      Homeostasis where the end product stops the process

    • B.

      Homeostasis that is really good

    • C.

      Homeostasis where the end product stimulates the process

    • D.

      Homeostasis where the end product turns the process on and off randomly

    Correct Answer
    C. Homeostasis where the end product stimulates the process
    Explanation
    Positive feedback is a type of homeostasis where the end product of a process stimulates or enhances the same process. In this type of feedback, the response amplifies the initial stimulus, leading to a cascade of events that further increases the response. This can result in a rapid and exponential growth or change in the system. Positive feedback is often seen in processes like blood clotting, childbirth, and the release of hormones. It helps to quickly and efficiently achieve a specific goal or outcome.

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  • 33. 

    Name an example of positive feedback.

    • A.

      Eating food

    • B.

      Child birth

    • C.

      Pain

    • D.

      Body temperature

    Correct Answer
    B. Child birth
    Explanation
    Childbirth is an example of positive feedback because it is a process in which the body amplifies a specific action to achieve a desired outcome. During childbirth, contractions of the uterus increase in intensity and frequency, stimulating the release of oxytocin, which in turn causes stronger contractions. This positive feedback loop continues until the baby is born. The more intense the contractions, the more oxytocin is released, leading to even stronger contractions. This process demonstrates how positive feedback can amplify a physiological response to achieve a specific goal.

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  • 34. 

    What is negative feedback?

    • A.

      Homeostasis where the end product stops the process

    • B.

      Homeostasis that is really bad

    • C.

      Homeostasis where the end product turns the process on and off at random

    • D.

      Homeostasis where the end product stimulates the process

    Correct Answer
    A. Homeostasis where the end product stops the process
    Explanation
    Negative feedback is a regulatory mechanism in homeostasis where the end product of a process inhibits or stops the process itself. This helps maintain a stable internal environment by preventing excessive production or activity. In this case, the correct answer states that negative feedback involves homeostasis where the end product stops the process.

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  • 35. 

    What must be true for something to be science?

    • A.

      It must be falsifiable

    • B.

      Both A and D

    • C.

      None of these

    • D.

      It must be testable

    Correct Answer
    B. Both A and D
    Explanation
    For something to be considered science, it must be both falsifiable and testable. Falsifiability means that a scientific claim can be proven false through empirical evidence or experimentation. Testability refers to the ability to conduct experiments or gather evidence to support or refute a scientific claim. Therefore, both A (it must be falsifiable) and D (it must be testable) must be true for something to be considered science.

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  • 36. 

    What is an indicator of a good experiement?

    • A.

      It uses a control

    • B.

      It uses an experimental group

    • C.

      It only changes one thing

    • D.

      All of these

    Correct Answer
    D. All of these
    Explanation
    A good experiment is indicated by the use of a control, an experimental group, and changing only one thing. The control group provides a baseline for comparison, allowing researchers to determine the effect of the variable being tested. The experimental group is exposed to the variable being tested, allowing researchers to observe any changes or effects. Changing only one thing ensures that any observed effects can be attributed to that specific variable, without the interference of other factors. Therefore, all of these factors are indicators of a good experiment.

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  • 37. 

    What is the control?

    • A.

      The thing not changed

    • B.

      The thing changed

    • C.

      The thing kept under wraps

    • D.

      The thing shown at the beginning of the experiment

    Correct Answer
    A. The thing not changed
    Explanation
    The control refers to the variable or factor in an experiment that is kept constant or unchanged. It serves as a baseline for comparison and helps to determine the effect of the independent variable on the dependent variable. By keeping the control constant, any changes observed in the experiment can be attributed to the manipulated variable, allowing for a more accurate analysis and conclusion.

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  • 38. 

    What is the experiemental group?

    • A.

      The thing not changed

    • B.

      The thing changed

    • C.

      The thing kept under wraps

    • D.

      The thing shown at the beginning of the experiement

    Correct Answer
    B. The thing changed
    Explanation
    The experimental group refers to the group in an experiment that is subjected to the specific treatment or condition being studied. In this context, "the thing changed" refers to the element or variable that is intentionally manipulated or altered in the experimental group to observe its effects. The experimental group is compared to a control group, which does not receive the treatment, to determine the impact of the changed variable.

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  • 39. 

    What is the dependent variable?

    • A.

      What is measured

    • B.

      What is kept the same

    • C.

      What is changed

    • D.

      None of these

    Correct Answer
    A. What is measured
    Explanation
    The dependent variable refers to the factor that is being measured or observed in an experiment. It is the variable that is expected to change as a result of manipulating the independent variable. In this case, the correct answer "What is measured" accurately describes the dependent variable, as it is the specific factor that is being observed or measured in the experiment.

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  • 40. 

    What axis does the dependent variable go on?

    • A.

      X

    • B.

      Y

    • C.

      Z

    • D.

      All of the above

    Correct Answer
    B. Y
    Explanation
    The dependent variable is the variable that is being measured or observed in an experiment. In this case, the dependent variable is represented by the letter "y". Therefore, the correct answer is "y" as it represents the axis on which the dependent variable is plotted.

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  • 41. 

    What is the independent variable?

    • A.

      What is measured

    • B.

      What is changed

    • C.

      What is kept the same

    • D.

      None of these

    Correct Answer
    B. What is changed
    Explanation
    The independent variable refers to the factor that is deliberately manipulated or changed by the researcher in an experiment to observe its effect on the dependent variable. In this context, "what is changed" best represents the independent variable as it signifies the factor that is intentionally altered or varied during the experiment.

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  • 42. 

    What axis does the independent variable go on?

    • A.

      X

    • B.

      Y

    • C.

      Z

    • D.

      All of the above

    Correct Answer
    A. X
    Explanation
    The independent variable goes on the x-axis.

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  • 43. 

    When creating a graph, what should you do after marking points?

    • A.

      Connect the points

    • B.

      Connect the points and use best smooth line

    • C.

      Do not connect the points

    • D.

      Do not connect the points and use best smooth line

    Correct Answer
    D. Do not connect the points and use best smooth line
    Explanation
    After marking the points on a graph, the best practice is to not connect the points and instead use a best smooth line. Connecting the points directly may not accurately represent the data and can lead to misleading interpretations. Using a best smooth line helps to visualize the trend or pattern in the data without implying a direct connection between the points. This allows for a more accurate representation of the data and better analysis.

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  • 44. 

    What is an example of negative feedback?

    • A.

      Child birth

    • B.

      None of These

    • C.

      Body temperature

    • D.

      Both A and C

    Correct Answer
    C. Body temperature
    Explanation
    Negative feedback refers to a regulatory mechanism in which the body responds to a stimulus by counteracting it, maintaining homeostasis. Body temperature is an example of negative feedback because when the temperature rises above normal, the body initiates mechanisms to cool down, such as sweating and dilation of blood vessels. Conversely, when the temperature drops below normal, the body triggers mechanisms to generate heat, such as shivering and constriction of blood vessels. This feedback loop helps maintain a stable body temperature. Childbirth and "None of These" do not exemplify negative feedback as they do not involve a regulatory response to a stimulus.

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