question stringlengths 68 502 | answer stringclasses 4
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Question: What is a simple carbohydrate with the chemical formula c 6 h 12 o 6 better known as?
Options:
A. glutamate
B. fructose
C. glucose
D. alcohol | C |
Question: Groups of related organs form what?
Options:
A. organ systems
B. maturation systems
C. artificial systems
D. community systems | A |
Question: Each lymph organ has a different job in what system?
Options:
A. immune
B. nervous
C. respiratory
D. circulatory | A |
Question: The number of protons in an atom is called what?
Options:
A. isotope
B. atomic number
C. mass number
D. metallic number | B |
Question: Crevasses are found in glaciers. how do these come about?
Options:
A. god
B. rigidity
C. from movement
D. man made | C |
Question: Combining nonpolar olive oil and polar vinegar yields what type of mixture?
Options:
A. homogeneous
B. heterogeneous
C. amorphous
D. omnigeneous | B |
Question: If no conclusion is reached after an experiment, the scientist may retest what?
Options:
A. materials
B. hypothesis
C. conclusion
D. suggestions | B |
Question: What builds up in an artery and reduces blood flow?
Options:
A. calcium deposits
B. plaque
C. pressure
D. surface tension | B |
Question: Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds?
Options:
A. atoms
B. ions
C. acids
D. eons | B |
Question: What are the only organisms that can perform photosynthesis?
Options:
A. sponges
B. heterotrophs
C. monocots
D. autotrophs | D |
Question: What is an interesting example of a molecule with two central atoms, which are both c atoms?
Options:
A. sulfur
B. acetylene
C. water
D. chloride | B |
Question: What is the name of the fungi that are ubiquitous in lakes and soil?
Options:
A. chytrids
B. sporozoans
C. eomycota
D. zygomycota | A |
Question: All the atoms of a given element have the same number of what in their nucleus, though they may have different numbers of neutrons?
Options:
A. protons
B. molecules
C. electrons
D. compounds | A |
Question: What causes a voltage to exist across the membrane in cells?
Options:
A. difference in charges
B. same charge
C. insulators
D. increase in energy | A |
Question: A synergist that makes the insertion site more stable is called a what?
Options:
A. lesion
B. kilocalorie
C. dominator
D. fixator | D |
Question: What system of the body is generally responsible for breathing?
Options:
A. respiratory system
B. integumentary
C. cardiac
D. excretory | A |
Question: Carbon dioxide does not rise like other gases because it has a density greater than what?
Options:
A. air
B. light
C. gravity
D. water | A |
Question: What is the property that determines the amount of current flow through a particular material?
Options:
A. resistance
B. demand
C. pressure
D. surface tension | A |
Question: In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of?
Options:
A. three atp molecules
B. two atp molecules
C. six atp molecules
D. four atp molecules | B |
Question: What organ do we use to hear sound?
Options:
A. antennae
B. amplifier
C. eye
D. the ear | D |
Question: Mixture of metals is called what?
Options:
A. alloy
B. fusion
C. compound
D. amalgm | A |
Question: The rate the magma cools determines what property of the rock?
Options:
A. texture
B. size
C. location
D. color | A |
Question: Conduction from the core has what effect on the lower mantle?
Options:
A. it vibrates it
B. it heats it
C. it makes it rotate
D. it cools it | B |
Question: What is the measure of the amount of energy found in sound waves?
Options:
A. intensity
B. density
C. frequency
D. decibels | A |
Question: What theory explains most of the features of earth’s surface?
Options:
A. plate tectonics
B. flat earth theory
C. string theory
D. Big Bang theory | A |
Question: What part of a person with myopia is longer than normal?
Options:
A. arm
B. leg
C. neck
D. eye | D |
Question: The anodes in each cell of a rechargeable battery are plates or grids of lead containing spongy lead metal, while the cathodes are similar grids containing powdered what?
Options:
A. coal
B. carbon dioxide
C. straight dioxide
D. lead dioxide | D |
Question: In science, what is supported by much evidence, widely accepted by credible scientists, and unlikely to be disproved?
Options:
A. concept
B. hypothesis
C. law
D. theory | D |
Question: Life on earth is carbon-based. organisms need not only energy but also carbon ________ for building bodies?
Options:
A. crystals
B. ions
C. monoxide
D. atoms | D |
Question: A crater can usually be found on the top of what kind of volcanoes?
Options:
A. Shield
B. composite
C. Dome
D. Compound | B |
Question: Portal veins carry blood between what?
Options:
A. digestive organs
B. chambers of the heart
C. arteries
D. pairs of capillary beds | D |
Question: Viruses depend on what type of cells?
Options:
A. blood cells
B. host cells
C. immune system cells
D. anchor cells | B |
Question: Silver and ordinary table salt are two examples of chemical what?
Options:
A. microbes
B. organism
C. impurities
D. substances | D |
Question: What do we call the system of classification consisting of a hierarchy of groupings called taxa?
Options:
A. linchpin system
B. lamarckian system
C. crocodilian system
D. linnaean system | D |
Question: Which disease causes cells to divide out of control
Options:
A. autoimmune diseases
B. mutation
C. arthritis
D. cancer | D |
Question: Animal cells grow mainly by synthesizing protein-rich cytoplasm, a process that is described as expensive in what way?
Options:
A. time spent
B. calorically
C. metabolically
D. synthetically | C |
Question: Where is the cell wall located?
Options:
A. in cell membrane
B. in the mitochondria
C. outside cell membrane
D. in the chloroplast | C |
Question: Some protists hunt their food or act as what?
Options:
A. mammals
B. bats
C. reptiles
D. parasites | D |
Question: Name what nutrient cycling is strongly regulated by.
Options:
A. elevation
B. sunlight
C. abundance
D. vegetation | D |
Question: Why must values of specific heat be looked up in tables?
Options:
A. difficult to memorize
B. difficult to understand
C. difficult to calculate
D. lack of formulas | C |
Question: What is the method of evolution by which advantageous heritable traits become more common over generations?
Options:
A. artificial selection
B. natural selection
C. same selection
D. flow selection | B |
Question: Electrons move, but they aren’t destroyed. this is the law of conservation of what?
Options:
A. matter
B. energy
C. charge
D. cost | C |
Question: What type of orbitals do electrons in successive atoms on the periodic table tend to fill first?
Options:
A. high energy
B. outer orbitals
C. low-energy
D. orbital lobes | C |
Question: What is used as a vector for gene insertion in ex vivo gene therapy?
Options:
A. penicillin
B. bacteria
C. virus
D. typhus | C |
Question: In artificial passive immunization, which items from an immune animal are injected into a nonimmune animal?
Options:
A. antibodies
B. parasites
C. platelets
D. allergies | A |
Question: What kind of solids are gummi bears or taffy?
Options:
A. candy solids
B. amorphous solids
C. phenomena solids
D. imperative solids | B |
Question: In the freshwater flatworms, protonephridia serve chiefly in what?
Options:
A. enculturation
B. thermoregulation
C. osmoregulation
D. excretion | C |
Question: What is contained in the skin of brightly colored poison dart frogs?
Options:
A. poison
B. toxins
C. acid
D. spores | B |
Question: What is the exchange of plasmids by prokaryotes called?
Options:
A. biochemical transfer
B. genetic transfer
C. artificial transfer
D. transcription | B |
Question: What do we call the study of rock layers?
Options:
A. mineralogy
B. sedimentary
C. stratigraphy
D. geology | C |
Question: What are single-celled organisms that lack a nucleus called?
Options:
A. protists
B. eukaryotes
C. fungi
D. prokaryotes | D |
Question: The distance that light can travel in a year is known as what?
Options:
A. solar year
B. earth year
C. beam year
D. light year | D |
Question: Scientists who find and study fossils are called what?
Options:
A. anthropologist
B. biologists
C. geologists
D. paleontologists | D |
Question: What is it called when feces move along the colon too slowly?
Options:
A. constipation
B. relaxation
C. diarrhea
D. respiratory | A |
Question: What is the process in which a solid changes directly to a gas called?
Options:
A. solidification
B. condensation
C. vaporization
D. sublimation | D |
Question: What part of the atmosphere is the heat source?
Options:
A. magnetosphere
B. ionosphere
C. troposphere
D. stratosphere | D |
Question: Some mutations lead to new versions of proteins that help organisms adapt to changes in their environment and are essential for evolution to occur. what are these mutations known as?
Options:
A. provisional mutations
B. superficial mutations
C. evolutionary mutations
D. beneficial mutations | D |
Question: What is the only substance on earth that is stable in all three states?
Options:
A. mercury
B. water
C. air
D. carbon | B |
Question: What is the process whereby excess water and waste is removed from the body?
Options:
A. diffusion
B. exhalation
C. filtration
D. excretion | D |
Question: What cellular structure moves molecules between locations inside the cell?
Options:
A. transport vessels
B. capillaries
C. dna vesicles
D. transport vesicles | D |
Question: Alcohols can be oxidized to aldehydes or _______.
Options:
A. carbohydrates
B. sugars
C. sugars
D. ketones | D |
Question: What causes a meteoroid to vaporize after it enters the atmosphere?
Options:
A. spontaneous combustion
B. gravitational pull
C. friction with atmosphere
D. atmospheric pressure | C |
Question: How is the radioactive decay measured?
Options:
A. alpha emission
B. half-life
C. carbon dating
D. quarter-life | B |
Question: What term means a reproductive cell, like the human egg in females?
Options:
A. zygote
B. gamete
C. embryo
D. sperm | B |
Question: Veins are blood vessels that carry blood toward what?
Options:
A. brain
B. heart
C. extremities
D. lung | B |
Question: The spin quantum number describes the spin for a given what?
Options:
A. proton
B. element
C. electron
D. ion | C |
Question: What fuels provide most of the energy used worldwide?
Options:
A. solar
B. fossil
C. renewable
D. hydroelectric | B |
Question: What instruments used in guidance systems to indicate directions in space must have an angular momentum that does not change in direction?
Options:
A. gyroscopes
B. magnets
C. actuators
D. elevators | A |
Question: What are the deepest places on earth?
Options:
A. deep sea caves
B. deep sea resonances
C. deep sea trenches
D. deep sea diversions | C |
Question: While the chromosome is replicating, the cell does what?
Options:
A. shrinks
B. elongates
C. diffuses
D. propagates | B |
Question: On the origin of species is a book by darwin that spells out what theory?
Options:
A. theory of reproduction
B. theory of the computation
C. theory of the universe
D. theory of evolution | D |
Question: After an adaptive defense is produced against a pathogen, typically plasma cells first secrete immunoglobin, which constitutes about ten percent of all what?
Options:
A. parasites
B. hormones
C. antibodies
D. allergies | C |
Question: Solar and wind are still expensive compared to what?
Options:
A. batteries
B. fossil fuels
C. coal fuels
D. electricity | B |
Question: The pollen tube discharges two sperm into the female gametophyte after what occurs?
Options:
A. evolution
B. pollination
C. hibernation
D. excrement | B |
Question: Steel, bronze, and brass are good examples of what?
Options:
A. salts
B. metalloids
C. elements
D. alloys | D |
Question: Most hydrozoa have both polyp and what forms in their life cycle?
Options:
A. medusa
B. hydra
C. polypoid
D. globular | A |
Question: Mammalian lungs are located in what cavity, where they are surrounded and protected by the rib cage, intercostal muscles, and chest wall?
Options:
A. thoracic
B. ventral
C. abdominopelvic
D. dorsal | A |
Question: Segmented worms have a digestive,nervous and what type of system?
Options:
A. circulatory
B. vascular
C. pulmonary
D. lymphatic | A |
Question: In what route do water and solutes move along the continuum of cytosol?
Options:
A. symplastic
B. nonvascular
C. hydrophylic
D. hydrophobic | A |
Question: Atomic orbitals are populated with what subatomic particles?
Options:
A. protons
B. atoms
C. neurons
D. electrons | D |
Question: Which law refers to the electron charge remaining the same during transfer?
Options:
A. law of change
B. law of conservation of charge
C. law of conservation of speculation
D. law of construct of charge | B |
Question: Hotspots can be used to tell the speed and direction that what object is moving?
Options:
A. glaciers
B. crystals
C. plates
D. electrons | C |
Question: Does overhead irrigation or drip irrigation use less water?
Options:
A. stream irrigation
B. constant flow
C. drip irrigation
D. mist irrigation | C |
Question: Stis are diseases caused by what that spread through sexual contact?
Options:
A. pathogens
B. ecosystems
C. amoeba
D. parasites | A |
Question: The heart is a muscular organ that pumps blood through which system?
Options:
A. circulatory
B. pulmonary
C. nervous
D. endocrine | A |
Question: Being dependent on adults for a long maturation period allows young primates ample time for what?
Options:
A. attachment
B. socialization
C. sleeping
D. learning | D |
Question: What process can be triggered by a burst of ethylene production in the fruit?
Options:
A. drying
B. ripening
C. hardening
D. pickling | B |
Question: What is a sac-like organ that stores urine?
Options:
A. the urinary bladder
B. the colon
C. the urinary liver
D. the small intestine | A |
Question: When the pressure waves from the scala move the basilar membrane, the tectorial membrane slides across the what?
Options:
A. dendrites
B. stereocilia
C. keratin
D. cytoplasm | B |
Question: What are surface currents generally caused by?
Options:
A. major humidity belts
B. major wind belts
C. major steam belts
D. minor wind belts | B |
Question: What helps cells take up glucose from the blood?
Options:
A. estrogen
B. hemoglobin
C. insulin
D. oxygen | C |
Question: What is the term for potential energy due to the position of an object above earth?
Options:
A. gravitational recovery energy
B. gravitational indication energy
C. gravitational potential energy
D. gravitational pull energy | C |
Question: What type of engineers influence community structure through their effects on the physical environment?
Options:
A. ecosystem engineers
B. mechanical engineers
C. electrical engineers
D. civil engineers | A |
Question: The atomic number defines the identity of what?
Options:
A. element
B. neutralized molecule
C. atomic reaction
D. periodic table | A |
Question: The nuclei of radioisotopes are unstable, so they constantly decay and emit what?
Options:
A. moisture
B. radiation
C. chemicals
D. acid | B |
Question: Parthenogenesis is the most common form of what in animals that at other times reproduce sexually?
Options:
A. sexual dimorphism
B. cell division
C. asexual reproduction
D. budding | C |
Question: What kind of fossils are excellent markers for correlating the ages of sedimentary rocks?
Options:
A. agonum
B. foram
C. euglena
D. vertiscom | B |
Question: Gated ion channels have a central role in what system's function?
Options:
A. endocrine
B. skeletal
C. generous
D. nervous | D |
Question: Energy that the sun and other stars release into space is called what?
Options:
A. static energy
B. kinetic energy
C. mechanical energy
D. electromagnetic energy | D |
Question: Hydrogen gas is generated by the reaction of nitric acid and what else?
Options:
A. elemental iron
B. martian iron
C. carbon
D. gaseous iron | A |
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