question stringlengths 68 502 | answer stringclasses 4
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Question: What is a controlled scientific test that often takes place in a lab?
Options:
A. a viewing
B. an experiment
C. an observeration
D. a testing | B |
Question: What causes the endometrium to thicken during a menstrual cycle?
Options:
A. estradiol
B. testosterone
C. ovulation
D. blood | A |
Question: What process refers to the conversion of atmospheric nitrogen to ammonia?
Options:
A. biological nutrient fixation
B. biological ammonia fixation
C. biological respiratory fixation
D. biological nitrogen fixation | D |
Question: What is it called when two species evolve matching traits?
Options:
A. coevolution
B. Allopatric speciation
C. interconnection
D. spontaneous mutation | A |
Question: What is the term for water that falls from clouds?
Options:
A. lightning
B. wind
C. precipitation
D. atmosphere | C |
Question: Echinoderms lack what type of system that in humans consists of the brain and spinal cord?
Options:
A. autonomic system
B. endocrine system
C. peripheral nervous system
D. centralized nervous system | D |
Question: What class of invertebrate animals has additional appendages called the chelicerae and the pedipalps?
Options:
A. arachnid
B. mammals
C. fish
D. arthropod | A |
Question: The burning of what type of fuels is a major source of sulfur oxides and nitrogen oxides?
Options:
A. fossil
B. synthetic
C. biofuels
D. renewable | A |
Question: What is the science of classifying living things is called?
Options:
A. physiology
B. entomology
C. methodology
D. taxonomy | D |
Question: What is it called when your joints start to wear out and they become stiff and painful?
Options:
A. tendonitis
B. adenitis
C. arthritis
D. endometriosis | C |
Question: Gas, liquid, and solid describe what property of matter?
Options:
A. Quatitative
B. Physical
C. states
D. Chemical | C |
Question: Differences in fitness among different members of a population can lead to what kind of selection?
Options:
A. origin selection
B. subliminal selection
C. natural selection
D. fluid selection | C |
Question: What cells carry oxygen?
Options:
A. white blood cells
B. red blood cells
C. lymph cells
D. marrow cells | B |
Question: What coenzyme is used in the transfer of energy in muscles?
Options:
A. hydrofluoric acid
B. carbolic acid
C. glycogen
D. atp or adenozine triphosphate | D |
Question: Which asexual reproduction method do starfish use to reproduce?
Options:
A. budding
B. fission
C. fragmentation
D. spawning | C |
Question: What enables gamma rays to pass through hard matters like bones, teeth, and just about anything?
Options:
A. their extremely high energy
B. Density
C. Weight
D. Being Heavier | A |
Question: What type of mammals includes opossums, kangaroos, and koalas?
Options:
A. crustaceans
B. arthropods
C. monotremes
D. marsupials | D |
Question: What do we call animals that have a backbone and belong to the phylum chordata?
Options:
A. mammals
B. invertebrates
C. organelles
D. vertebrates | D |
Question: Living organisms are affected by changes in ph which can include basic conditions and what other kinds of conditions?
Options:
A. complex
B. acidic
C. sodium
D. carbolic | B |
Question: What makes up most of the interior of a plant?
Options:
A. conjunction tissue
B. ground tissue
C. support tissue
D. transport tissue | B |
Question: What part of a plant, which is attached to its stem nodes, is the "main organ" of photosynthesis?
Options:
A. roots
B. flowers
C. leaves
D. spores | C |
Question: Experiments have shown that acceleration is exactly inversely proportional to mass, just as it is exactly linearly proportional to what?
Options:
A. net external force
B. speed
C. net internal force
D. kinetic energy | A |
Question: What term describes a disease in which the immune system attacks the body’s own cells?
Options:
A. inflammatory
B. autoimmune
C. contagious
D. acute | B |
Question: Flow of what can introduce alleles that are advantageous or ones that are disadvantageous?
Options:
A. eggs
B. larvae
C. babies
D. genes | D |
Question: A life cycle continues through reproduction and what?
Options:
A. example
B. response
C. development
D. mechanical | C |
Question: Bacteria are like eukaryotic cells in that they have cytoplasm, ribosomes, and a?
Options:
A. chloroplast
B. brain
C. plasma membrane
D. cell wall | C |
Question: When zinc metal is mixed with sulfur and heated, what is produced?
Options:
A. extraction sulfide
B. methane sulfide
C. iron
D. zinc sulfide | D |
Question: What cage composed of 12 pairs of ribs, with their costal cartilages and the sternum, protects the heart and lungs?
Options:
A. thoracic
B. cervical
C. lumbar
D. sacral | A |
Question: What is the ability of an atom to emit charged particles and energy from its nucleus called?
Options:
A. radioactivity
B. power
C. accumulation
D. conductivity | A |
Question: Diffusion is an effective transport mechanism over the spatial scales typically found at what level?
Options:
A. electromagnetic
B. atom
C. cellular
D. molecular | C |
Question: In a car race on a circular track, where the start and finish line are the same, what quantity is neglible?
Options:
A. total displacement
B. partial displacement
C. total acceleration
D. total distance | A |
Question: What is another name for molecular compounds?
Options:
A. synthetic compounds
B. oxidized compounds
C. phenotype compounds
D. covalent compounds | D |
Question: The long mouth-tube that some insects use to suck up the nectar of the flower is called what?
Options:
A. pistil
B. proboscis
C. prosthesis
D. stamen | B |
Question: Cnvs result from regions of what being duplicated or deleted inconsistently within the population?
Options:
A. genes
B. DNA
C. genome
D. cytoplasm | C |
Question: Insects can have specialized mouthparts, such as a proboscis, to siphon the nectar from what?
Options:
A. flowers
B. shrubs
C. fruits
D. stems | A |
Question: What is the invisible force that pulls things to earth?
Options:
A. gravity
B. momentum
C. motion
D. electromagnetism | A |
Question: What do we call the seasonal movement of animals?
Options:
A. immigration
B. trade
C. population
D. migration | D |
Question: What kind of beneficial relationships with other organisms are common in the plant kingdom?
Options:
A. mutualistic
B. symbiotic
C. Host
D. autotrophic | A |
Question: Some marine algae have evolved special structures capable of what plant process?
Options:
A. respiration
B. pollination
C. photosynthesis
D. seed germination | C |
Question: What is the substance called whenatoms of different elements join together?
Options:
A. compounds
B. crystals
C. crusts
D. plants | A |
Question: What type of solid has atoms arranged in a repeating pattern?
Options:
A. metals
B. hydrocarbons
C. crystals
D. ions | C |
Question: What is the process called when secretory cells export products?
Options:
A. isolation
B. morphogenesis
C. exocytosis
D. endocytosis | C |
Question: Natural resources that are limited in supply and cannot be replaced except over millions of years are known as what?
Options:
A. renewable
B. precious
C. biological
D. nonrenewable | D |
Question: What is a hydrocarbon in which the carbon chain joins to itself in a ring?
Options:
A. acid hydrocarbon
B. cyclic hydrocarbon
C. asymmetrical hydrocarbon
D. circular hydrocarbon | B |
Question: The first photosynthetic organisms were not plants, but types of what that lived in the water?
Options:
A. bacteria
B. pathogens
C. algae
D. fungi | A |
Question: What is the second stage of photosynthesis?
Options:
A. production of protein
B. pigment release
C. glucose destruction
D. production of glucose | D |
Question: Which layer is the lithosphere located?
Options:
A. eclipses layer
B. nearest layer
C. radii layer
D. outermost layer | D |
Question: What is speed at any given instant called?
Options:
A. spontaneous speed
B. marginal speed
C. relative speed
D. instantaneous speed | D |
Question: During birth, a baby passes from the uterus through what organ to leave the body?
Options:
A. Ovary
B. the vagina
C. the urethra
D. Esophagus | B |
Question: What type of earthquake creates a tsunami?
Options:
A. collapse
B. volcanic
C. underwater
D. Tectonic | C |
Question: What is the smallest of the galilean moons?
Options:
A. aura
B. demos
C. phoebe
D. europa | D |
Question: What is the term for a combination of substances in which there is no chemical reaction?
Options:
A. a solute
B. a solution
C. a mixture
D. a combination | C |
Question: Where does the majority of chemical digestion occur?
Options:
A. large intestine
B. mouth
C. small intestine
D. stomach | C |
Question: The vertebrate endoskeleton includes a vertebral column, cranium, limbs, and what else?
Options:
A. limb girdles
B. tissue girdles
C. Skin Girdles
D. blood girdles | A |
Question: What is defined as the velocity of the object at a given moment?
Options:
A. relativistic velocity
B. inertia
C. specific gravity
D. instantaneous velocity | D |
Question: What is the term for an expression showing the relationship of the reaction rate to the concentrations of each reactant?
Options:
A. flow law
B. rate law
C. concentric law
D. decay law | B |
Question: How many pi bonds are found in a triple bond?
Options:
A. 10
B. six
C. four
D. two | D |
Question: What is formed when an acidic solution and a basic solution react together in a neutralization reaction?
Options:
A. salt
B. Sodium
C. seawater
D. shallow | A |
Question: What is the causative agent of sleeping sickness in humans?
Options:
A. bacillus aerophilus
B. trypanosoma brucei
C. escherichia coli
D. pseudomonas asplenii | B |
Question: Living things that use energy to make food, both for themselves and other living things, are what part of an ecosystem?
Options:
A. producers
B. consumers
C. growers
D. decomposers | A |
Question: In science, what process produces evidence that helps answer questions and solve problems?
Options:
A. investigation
B. suspension
C. information
D. manipulation | A |
Question: What cellular structure is used during endocytosis to allow molecules to enter the cell?
Options:
A. vesicles
B. membranes
C. nucleus
D. tissues | A |
Question: What are unique about prokaryotic cells' organelles?
Options:
A. no cell walls
B. no epidermis
C. not membrane-bound
D. only membrane - bound | C |
Question: How long ago did the ancestors of mammals evolve?
Options:
A. 10 million
B. 100 million
C. 300 million years
D. 50,900 million years | C |
Question: A d. melanogaster population has an average heterozygosity of what?
Options:
A. 14%
B. 21 %
C. 22 %
D. 19 % | A |
Question: Traits that are affected by more than one gene are what type of traits?
Options:
A. dominant
B. recessive
C. monogenetic
D. polygenic traits | D |
Question: Pharmacist and surveyor are two career options based in what type of science?
Options:
A. visible
B. obvious
C. Business
D. physical | D |
Question: What is another term for foodborne illness?
Options:
A. disease
B. cancer
C. food poisoning
D. pathogen | C |
Question: The mechanical advantage of a machine is related to how it changes what?
Options:
A. nature
B. example
C. pressure
D. force | D |
Question: What term in physics refers to the use of force to move an object?
Options:
A. momentum
B. mass
C. work
D. velocity | C |
Question: What is the name of the organelle that helps make and transport proteins and lipids?
Options:
A. mitochondria
B. endoplasmic reticulum
C. plasma membrane
D. nucleus | B |
Question: What machine is used to determine the calories in food, as well as the average heat yield from burning various grades of coal and oil?
Options:
A. thermometer
B. alethiometer
C. calorimeter
D. radio telescope | C |
Question: What is the name of the outer part of the adrenal gland located above the kidneys?
Options:
A. cortex
B. spleen
C. mitochondria
D. nucleus | A |
Question: What kind of energy used heat from magma within the earth to heat homes or produce steam that turns turbines?
Options:
A. robust energy
B. renewable energy
C. geothermal energy
D. thermal energy | C |
Question: The primary output of the basal nuclei is to the thalamus, which relays that output to where?
Options:
A. cerebral cortex
B. effect cortex
C. suffering cortex
D. Back cortex | A |
Question: The central nervous system is composed of the brain and what else?
Options:
A. the sclerotic cord
B. the lateral cord
C. the dynamic cord
D. the spinal cord | D |
Question: A group of genetically identical individuals is called what?
Options:
A. a man
B. brother
C. a clone
D. replicant | C |
Question: Where on the earth's surface does the water cycle takes place?
Options:
A. on, above, and below
B. on , below , and below
C. for , above , and below
D. inside,under,above | A |
Question: Under which conditions do many bacteria carry out alcohol fermentation?
Options:
A. photosynthesis
B. enzymatic
C. melting
D. anaerobic | D |
Question: Fermat's principle states that what will always take the path that takes the least amount of time?
Options:
A. sound
B. electricity
C. light
D. wind | C |
Question: What trend is occurring involving the extent of arctic sea ice in summer?
Options:
A. rapid decrease
B. Ice growth
C. slow decrease
D. water decrease | A |
Question: In vertebrates, cholesterol is synthesized in which organ and obtained from the diet?
Options:
A. heart
B. the brain
C. the liver
D. the bone | C |
Question: What is a group of lions called?
Options:
A. pride
B. bevy
C. coven
D. herd | A |
Question: Which layer is found below the lithosphere?
Options:
A. troposphere
B. stratosphere
C. asthenosphere
D. magnetosphere | C |
Question: What is the name for the nonliving parts of ecosystems?
Options:
A. diverse factors
B. Dead factors
C. abiotic factors
D. nucleic factors | C |
Question: What do you call the electrons in the outermost energy level of an atom?
Options:
A. Inner electrons
B. Proper electrons
C. valence electrons
D. shell electrons | C |
Question: What are some of the giant fairy rings produced by?
Options:
A. fronds
B. algae
C. mycelia
D. sporangia | C |
Question: What are ingrowths on arthropod exoskeletons to which muscles attach?
Options:
A. joints
B. rods
C. pores
D. apodemes | D |
Question: Which type of electrons plays the most important role in chemical reactions?
Options:
A. intermediate
B. valence
C. noncovalent
D. transition | B |
Question: What level is greater than 7 in a basic solution?
Options:
A. ph
B. gh
C. uh
D. fh | A |
Question: What happens to volume as the temperature increases?
Options:
A. volume fluctuates
B. volume decreases
C. volume increases
D. volume is unchanged | C |
Question: What does an array of radio telescopes collect?
Options:
A. radio waves
B. light waves
C. microwaves
D. thermal waves | A |
Question: What kind of compounds contain positively and negatively charged ions in a ratio that results in an overall charge of zero?
Options:
A. zeronic ions
B. ionic compounds
C. zero charged compunds
D. neutral compounds | B |
Question: What are formed when crystals precipitate out from a liquid?
Options:
A. additive sedimentary rocks
B. chemical sedimentary rocks
C. diamonds
D. gaseous sedimentary rocks | B |
Question: Roundworms exemplify what type of organization, where two or more types of tissues work together to perform a particular function as an organ?
Options:
A. bone-level organization
B. organ-level organization
C. delicate - level organization
D. land-level organization | B |
Question: Where are protons and neutrons located?
Options:
A. nucleus
B. electron shell
C. radius
D. epidermis | A |
Question: Why do hummingbirds have long narrow bills?
Options:
A. to store food
B. for protection against predators
C. to reach the nectar at the bottom of flowers
D. to feed their offspring | C |
Question: Bivalvia and gastropoda are classes of what phylum?
Options:
A. diatoms
B. fishes
C. mollusks
D. Insects | C |
Question: Kinetic energy of moving particles of matter, measured by their temperatures are known as:
Options:
A. solar energy
B. atmospheric energy
C. thermal energy
D. visible energy | C |
Question: What is the term for a process that changes some chemical substances into others?
Options:
A. toxic reaction
B. chain reaction
C. acid reaction
D. chemical reaction | D |
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