question stringlengths 68 502 | answer stringclasses 4
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Question: What term is used to describe viruses that live in a dormant state inside the body?
Options:
A. dorment
B. latency
C. potential
D. hidden | B |
Question: What is the main component of phytoplankton?
Options:
A. sponge
B. coral
C. algae
D. seawater | C |
Question: Compounds that contain mainly the elements carbon and hydrogen are called what kind of compounds?
Options:
A. microscopic compounds
B. organic compounds
C. reactive compounds
D. natural compounds | B |
Question: What type of diagnosis happens before a baby is born?
Options:
A. fetal
B. maternal
C. postnatal
D. prenatal | D |
Question: Unlike nuclear fission, which involves dangerous radioisotopes, nuclear fusion involves what two harmless elements?
Options:
A. hydrogen and oxygen
B. hydrogen and carbon
C. magnesium and helium
D. hydrogen and helium | D |
Question: What is another environmental benefit of conserving resources?
Options:
A. less trash
B. warmer temperatures
C. lower prices
D. more jobs | A |
Question: The bright color of poison dart frogs serves what purpose?
Options:
A. attracting mates
B. no purpose
C. attracting predators
D. warning predators | D |
Question: What consist of chains of small molecules called nucleotides?
Options:
A. structural acids
B. Atomic acids
C. nitrous acids
D. nucleic acids | D |
Question: Atmospheric pressure can be measured with what tool?
Options:
A. scale
B. ruler
C. thermometer
D. barometer | D |
Question: What kind of charge do electrons have?
Options:
A. unusual
B. positive
C. negative
D. effective | C |
Question: What are lipids that contain phosphorus called?
Options:
A. amino acids
B. eukaryotes
C. phospholipids
D. alkaloids | C |
Question: How many chambers does the stomach of a ruminant have?
Options:
A. 3
B. 1
C. 5
D. 4 | D |
Question: What states that chemical reactions occur when atoms, ions, or molecules collide?
Options:
A. disturbance theory
B. elemental theory
C. collision theory
D. reaction theory | C |
Question: Biological macromolecules are organic, which means that they must contain what?
Options:
A. oxygen
B. aluminum
C. carbon
D. hydrogen | C |
Question: What do you call the membrane lining the back of the eye?
Options:
A. aperture
B. stimulation
C. cornea
D. retina | D |
Question: Lacking blood vessels, nerve endings, or glands, the epidermis is the outer layer of what?
Options:
A. liver
B. skin
C. lungs
D. brain | B |
Question: The deepest region of the adrenal cortex is the zona reticularis, which produces small amounts of a class of steroid sex hormones called what?
Options:
A. dioxins
B. testosterone
C. estrogen
D. androgens | D |
Question: All living things maintain a stable internal environment through what process?
Options:
A. alertness
B. homeostasis
C. maintenance
D. consciousness | B |
Question: Tropical rainforests are an example of a climate that occurs near what?
Options:
A. equator
B. tundras
C. poles
D. deserts | A |
Question: What changes the chemical composition of a substance and can only occur through a chemical reaction?
Options:
A. mineral changes
B. chemical changes
C. Oxygen Changes
D. carbon changes | B |
Question: What term is used to describe the way that animals interact with each other or their environment?
Options:
A. animal range
B. animal decline
C. animal behavior
D. animal magnetism | C |
Question: What kind of bees are most adult bees in a hive?
Options:
A. larvae
B. drones
C. worker bees
D. queens | C |
Question: In most animals, the circulatory system is used to transport blood through the what?
Options:
A. fur
B. nerves
C. body
D. stratum corneum | C |
Question: In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes?
Options:
A. phenotype
B. molecule
C. chromosome
D. genome | C |
Question: At transform plate boundaries, two plates move in which directions?
Options:
A. north and south
B. parallel
C. opposite
D. same | C |
Question: The voltages generated at a power plant are stepped up by what passive devices, which then reduce voltage to a safe level at the point of use?
Options:
A. transistors
B. capacitors
C. batteries
D. transformers | D |
Question: What is the term for the dark brown or black coating found on exposed desert rocks, which is formed of iron and manganese oxides?
Options:
A. desert varnish
B. desert patina
C. desert shadow
D. desert rust | A |
Question: What two ways may catalyst be classified?
Options:
A. fast or slow
B. homogeneous or heterogeneous
C. reactive or nonreactive
D. oxygenated or heterogenous | B |
Question: What phylum has the highest number of species on earth?
Options:
A. arthropods
B. lichens
C. cephalopods
D. lophotrochozoa | A |
Question: The speed of a wave is a product of its wavelength and what else?
Options:
A. density
B. frequency
C. voltage
D. magnitude | B |
Question: What type of gas are stars made up of?
Options:
A. freon
B. hydrogen
C. calcium
D. water vapor | B |
Question: What are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules?
Options:
A. proteins
B. carbons
C. acids
D. cells | A |
Question: A geiger counter is used for detecting what?
Options:
A. convection
B. mutation
C. radiation
D. pressure | C |
Question: All species have evolved a pattern of living, called a life history strategy, in which they partition energy for growth, maintenance, and what?
Options:
A. deatn
B. reproduction
C. abundance
D. variation | B |
Question: What are the most diverse plants on earth?
Options:
A. gymnosperms
B. angiosperms
C. conifers
D. grasses | B |
Question: What is the second line of defense?
Options:
A. fight or flight
B. inflammatory response
C. immune response
D. rejection of foreign bodies | B |
Question: What is the term for when organisms need other organisms to survive?
Options:
A. coexistence
B. realization
C. interdependence
D. intradependence | C |
Question: What is an organic compound that is made up of only carbon and hydrogen?
Options:
A. an acid
B. a component
C. a catalyst
D. a hydrocarbon | D |
Question: Bile salts produced by the liver assist in breaking apart what kind of fats?
Options:
A. soluble
B. dietary
C. carbohydrates
D. Sugar | B |
Question: Where does most of the sound we hear travel through?
Options:
A. water
B. the ground
C. light
D. air | D |
Question: A reptile's what doesn't generate enough energy to keep their body temperature stable?
Options:
A. skin
B. tissue
C. metabolism
D. respiration | C |
Question: Bar, circle, and line are examples of what kind of data visualization?
Options:
A. spreadsheets
B. maps
C. formulas
D. graphs | D |
Question: What is the first phase of mitosis?
Options:
A. telophase
B. meiosis
C. prophase
D. metaphase | C |
Question: What term means an area where two closely related species continue to interact and reproduce?
Options:
A. hybrid zone
B. homozone
C. common zone
D. heterozone | A |
Question: Fungi may have both asexual and sexual stages of what?
Options:
A. development
B. absorption
C. photosynthesis
D. reproduction | D |
Question: Geysers erupt because what boiling hot substance is trapped beneath their surface?
Options:
A. oil
B. gas
C. lava
D. water | D |
Question: About one-third of the human cerebral cortex is dedicated to analyzing and perceiving information related to what sense?
Options:
A. touch
B. taste
C. hearing
D. vision | D |
Question: Fungus-like protists are what kind of feeders?
Options:
A. refractive
B. reverse
C. demonstrative
D. absorptive | D |
Question: What is the process in which many new species evolve in a short period of time to fill available niches called?
Options:
A. learned behavior
B. spontaneous mutation
C. adaptation
D. adaptive radiation | D |
Question: After fertilization, how many cells does a zygote form into?
Options:
A. three
B. six
C. one
D. two | D |
Question: Which common oxidizing agent can be used to oxidize alcohols?
Options:
A. potassium chloride
B. potassium dichromate
C. hydrogen dichromate
D. hydrogen chloride | B |
Question: What are gemstones known as when light cannot pass through them?
Options:
A. inorganic
B. blocking
C. opaque
D. protective | C |
Question: In biology, a relationship that benefits both entities is known as what?
Options:
A. naturalism
B. altruism
C. predatory
D. mutualism | D |
Question: Some animals prepare for the long winters by storing food and going dormant, a behavior called what?
Options:
A. resting
B. gestation
C. hibernation
D. pollination | C |
Question: Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?
Options:
A. enzymes
B. hormones
C. carbohydrates
D. neurons | A |
Question: What is the attachment of ducklings to their mother an example of?
Options:
A. imprinting
B. validating
C. impressionism
D. magnetism | A |
Question: All chordates are deuterostomes possessing a what?
Options:
A. endoderm
B. hydrochord
C. zygote
D. notochord | D |
Question: In vascular plants, the sporophyte generation is what?
Options:
A. submissive
B. evident
C. fast
D. dominant | D |
Question: The combined gradient that affects an ion includes its concentration gradient and its what?
Options:
A. electrical gradient
B. electron bond
C. radiation gradient
D. cell membrane | A |
Question: What is the first cell of a new organism?
Options:
A. zygote
B. egg
C. nucleus
D. seed | A |
Question: What part of the cell in plants and algae does photosynthesis take place?
Options:
A. organelles
B. cell wall
C. fibers
D. mitochondria | A |
Question: Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
Options:
A. tropical climate
B. temperate climate
C. subarctic climate
D. droughts climate | C |
Question: What are the only organelles that prokaryotic cells have?
Options:
A. fibroblasts
B. nuclei
C. chloroplasts
D. ribosomes | D |
Question: What is the name of the cloud where most long-period comets come from?
Options:
A. volt cloud
B. stellar cloud
C. bulge cloud
D. oort cloud | D |
Question: Different feeding "positions" in a food chain or web are associated with what kinds of levels?
Options:
A. benthic
B. heptic
C. autotrophic
D. trophic | D |
Question: Ionic compound atoms of various elements gain or lose electrons to?
Options:
A. expel ions
B. flatten ions
C. produce ions
D. become ions | C |
Question: Sedimentary rocks form in what kind of layers?
Options:
A. magnetic
B. horizontal
C. vertical
D. stacked | B |
Question: Plants obtain the molecules for cellular function though what?
Options:
A. Plants
B. nutrients
C. photosynthesis
D. tissues | C |
Question: The group of plants that can make their own food from inorganic raw materials in the presence of sunlight are referred to as what?
Options:
A. heterotrophic
B. autotrophic
C. symbiotic
D. autosynonomys | B |
Question: What type of disorders are caused by mutations in genes or abnormal numbers of chromosomes?
Options:
A. immune system disorders
B. thyroid disorders
C. emotional disorders
D. genetic disorders | D |
Question: What is the measure of sound intensity levels?
Options:
A. octaves
B. decibels
C. centimeters
D. moles | B |
Question: What is the temperature at which a substance freezes known as?
Options:
A. zero point
B. drop point
C. absolute zero
D. freezing point | D |
Question: Blood from what organs enters the left atrium of the heart?
Options:
A. Brain
B. Lymph nodes
C. lungs
D. intestines | C |
Question: The farther an area is from the equator, what happens to the temperature?
Options:
A. it increases
B. it gets lower
C. it stabilizes
D. it fluctuates | B |
Question: What sort of issues can be determined by looking for certain particles in amniotic fluid?
Options:
A. genetic disorders
B. organic disorders
C. artificial disorders
D. impossible disorders | A |
Question: The lunar landscape is covered by craters caused by what?
Options:
A. earth impacts
B. volcanoes
C. asteroid impacts
D. water | C |
Question: What is the name for the line dividing the earth's hemispheres?
Options:
A. plate
B. longitude
C. latitude
D. equator | D |
Question: Dependent on the frequency of sound waves, what term described how high or low a sound seems to a listener?
Options:
A. wavelength
B. pitch
C. direction
D. curve | B |
Question: Solar cells convert the energy in sunlight to what type of energy?
Options:
A. stellar energy
B. active energy
C. electrical energy
D. radical energy | C |
Question: What occurs when a parent cell splits into two identical daughter cells of the same size?
Options:
A. twin fission
B. linear fission
C. binary fission
D. symbiotic fission | C |
Question: A group of individuals that consists of genetically related individuals that can breed to produce fertile young is known as what?
Options:
A. colonies
B. species
C. population
D. community | B |
Question: What is the most dangerous type of radiation?
Options:
A. beta rays
B. plasma rays
C. gamma rays
D. sunlight rays | C |
Question: What is the result when two monosaccharides are bound together?
Options:
A. disaccharide
B. Peroxide
C. hydrolysis
D. polyketide | A |
Question: What are the two major atmospheric gases?
Options:
A. nitrogen and hydrogen
B. hydrogen and oxygen
C. nitrogen and oxygen
D. carbon and helium | C |
Question: What do you call the strands of dna wrapped around proteins, which are located inside the nucleus?
Options:
A. ribosomes
B. chromosomes
C. receptors
D. fibrils | B |
Question: Land could not be colonized by other organisms until what became established?
Options:
A. gases
B. oxygen
C. carbon dioxide
D. plants | D |
Question: What are bacteria that stain purple are called?
Options:
A. gram-negative bacteria
B. complex bacteria
C. gram-neutral bacteria
D. gram-positive bacteria | D |
Question: When the bud is fully developed, it breaks away from the parent cell and forms a new what?
Options:
A. stem
B. flower
C. leaf
D. organism | D |
Question: Arrows and cannon balls are examples of objects with what kind of motion?
Options:
A. projectile
B. velocity
C. accelerating
D. fluid | A |
Question: What is the sugar that the cells of living things use for energy?
Options:
A. glucose
B. sucrose
C. chlorophyll
D. insulin | A |
Question: What is the most important muscle involved in the process of breathing?
Options:
A. diaphragm
B. mouth
C. chest
D. trachea | A |
Question: What is the basic characteristic of monoprotic bases?
Options:
A. accepts one proton
B. accepts one neutron
C. accepts no neutrons
D. accepts no protons | A |
Question: What do we call a device used to store electric charge?
Options:
A. battery
B. capacitor
C. amplifier
D. charger | B |
Question: Has this ever happened to you? you walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock? .the reason you get a shock is because of what?
Options:
A. sunlight charge
B. solar charge
C. temperature charge
D. electrical charge | D |
Question: What planet is closest to our sun?
Options:
A. Pluto
B. mercury
C. Venus
D. Earth | B |
Question: The ordovician-silurian extinction event is the first recorded mass extinction and the second largest. during this period, about what percent of marine species went extinct?
Options:
A. 40 percent
B. 99 percent
C. 85 percent
D. 10 percent | C |
Question: A small molecule that binds to a larger molecule is known as a?
Options:
A. ligand
B. oxide
C. enzyme
D. lipid | A |
Question: What process that begins in utero during fetal development and continues on into adolescence involves closing of the skull?
Options:
A. calcification
B. incubation
C. elongation
D. ossification | D |
Question: What traits are those that are inherited unchanged in a hybridization?
Options:
A. mutations
B. alleles
C. recessive traits
D. dominant traits | D |
Question: What is required to break down and build up molecules and to transport molecules across plasma membranes?
Options:
A. salt
B. energy
C. calcium
D. electricity | B |
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