question stringlengths 68 502 | answer stringclasses 4
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Question: Salt in seawater causes it to have greater what, which is also affected by temperature and pressure?
Options:
A. density
B. mass
C. volume
D. area | A |
Question: What is the name of a long and low hill of sediments which have been deposited by a glacier?
Options:
A. a crag
B. a floodplain
C. a drumlin
D. a mountain | C |
Question: The temperature of the products is typically lower than the temperature of the reactants in what type of reaction?
Options:
A. exothermic
B. endothermic
C. parabolic
D. autotrophic | B |
Question: What is the most common type of cancer in adult females?
Options:
A. lung
B. breast
C. bone
D. skin | B |
Question: Green plants known as producers provide basic food supply for what besides themselves?
Options:
A. air
B. minerals
C. animals
D. water | C |
Question: The lipids that are connected to the glucose pathways are cholesterol and triglycerides. cholesterol is a lipid that contributes to cell membrane flexibility and is a precursor of this?
Options:
A. Thrombopoietin
B. ammonia hormones
C. Somatostatin
D. steroid hormones | D |
Question: What chemical reaction is the opposite of oxidation?
Options:
A. mutation
B. condensation
C. reduction
D. evaporation | C |
Question: What structure is a larger assembly of several polypeptide chains that are now referred to as subunits of the protein?
Options:
A. geological structure
B. pyramid structure
C. quaternary structure
D. digital structure | C |
Question: The punnett square shows the possible what, and their most likely ratios?
Options:
A. chromosomes
B. receptors
C. genotypes
D. phenotypes | C |
Question: Angiosperms produce their gametes in separate organs, which are usually housed in these?
Options:
A. stems
B. leaves
C. seeds
D. flowers | D |
Question: What are the two types of charges?
Options:
A. energy and mass
B. positive and negative
C. ions and neutrons
D. volume and acceleration | B |
Question: What is the name for a change in a single nucleotide in dna?
Options:
A. point mutation
B. adaptation
C. cell regeneration
D. spontaneous mutation | A |
Question: Ocean acidification results from the ocean absorbing what gas from the atmosphere?
Options:
A. hydrogen
B. nitrogen
C. carbon dioxide
D. oxygen | C |
Question: What are organisms that feed on available plants called?
Options:
A. antigens
B. florophores
C. grazers
D. plantfeeders | C |
Question: What is the limiting factor for bacteria in a dish?
Options:
A. space
B. density
C. material
D. speed | A |
Question: Where are some of the greatest concentrations of species found?
Options:
A. in the arctic
B. in the tropics
C. at high altitudes
D. in mould colonies | B |
Question: What do tadpoles clear out of waterways?
Options:
A. disease
B. algae
C. pollution
D. oxygen | B |
Question: What theory says stresses build on both sides of a fault?
Options:
A. Big Bang theory
B. elastic rebound theory
C. seismic load theory
D. Geiger theory | B |
Question: How many pairs of autosomes are there?
Options:
A. four
B. five
C. Seven
D. three | D |
Question: What are the only living organisms that can make their own food?
Options:
A. animals
B. bacteria
C. plants
D. protozoa | C |
Question: The brain and spinal cord are part of what system, which serves as a control center?
Options:
A. primary nervous system
B. large nervous system
C. central nervous system
D. active nervous system | C |
Question: What are the highest clouds in the atmosphere?
Options:
A. silicic clouds
B. nebulous clouds
C. noctilucent clouds
D. alto clouds | C |
Question: What type of reproduction results in genetically unique offspring?
Options:
A. sexual reproduction
B. asexual reproduction
C. internal reproduction
D. mitosis | A |
Question: What is a disorder of glucose metabolism in which insulin production by the pancreas is impaired?
Options:
A. populations mellitus
B. sugar mellitus
C. diabetes mellitus
D. cluster mellitus | C |
Question: Splitting of the nucleus of a radioactive atom into two smaller nuclei yields what type of reaction, which releases a great deal of energy from a small amount of matter?
Options:
A. nuclear fusion
B. solar fission
C. nuclear fission
D. nucleation | C |
Question: Colliding-beam accelerators create matter from what?
Options:
A. minerals
B. magnetism
C. energy
D. sound | C |
Question: What is the term for the measure of the force of gravity pulling down on an object?
Options:
A. pressure
B. density
C. weight
D. mass | C |
Question: Aging is associated with the death of what?
Options:
A. genes
B. proteins
C. cells
D. muscles | C |
Question: Animals that live in groups with other members of their species are called what?
Options:
A. grouping animals
B. available animals
C. social animals
D. aggressive animals | C |
Question: What are typically named for their major physical or climatic factors in addition to their predominant vegetation?
Options:
A. habitats
B. terrestrial biomes
C. communities
D. aqueous biomes | B |
Question: What type of vents are giant tube worms found at?
Options:
A. Heated
B. hydrothermal
C. temperature
D. oxygen | B |
Question: What results when a force does work?
Options:
A. momentum
B. movement
C. pressure
D. side effect | B |
Question: At the earth’s surface, the air pressure exerted on you is a result of the weight of what above you?
Options:
A. air
B. water
C. magnetic force
D. humidity | A |
Question: What is a common condition caused by stomach acid?
Options:
A. heartburn
B. sunburn
C. arthritis
D. headache | A |
Question: Where do the majority of species live?
Options:
A. trees
B. air
C. land
D. ocean | D |
Question: What process brings nutrients from the ocean's floor to its surface?
Options:
A. coastal swell
B. upwelling
C. Down welling
D. Tides | B |
Question: Crests and troughs are the high and low points of a what?
Options:
A. transverse wave
B. heat wave
C. rupture wave
D. darker wave | A |
Question: What is the term for materials that have been left behind by organisms that once lived?
Options:
A. fossils
B. skulls
C. detritis
D. bones | A |
Question: A penguin must do what before molting?
Options:
A. hibernate
B. increase muscle mass
C. mate
D. use muscle mass | B |
Question: The pelvic girdle, consisting of a hip bone, serves to attach a lower limb to this?
Options:
A. axial skeleton
B. exoskeleton
C. appendicular skeleton
D. cytoskeleton | A |
Question: Why does water have a high surface tension?
Options:
A. helium bonding
B. oxygenation
C. hydrogen bonding
D. high freezing point | C |
Question: What are the two types of vascular tissues found in vascular plants?
Options:
A. xylem and phloem
B. cytoplasm and chloroplasm
C. ectoderm and phloem
D. xylem and chloroplasm | A |
Question: What are the two types of photoreceptors in the retina?
Options:
A. rods and cones
B. holes and cones
C. images and cones
D. circles and cones | A |
Question: Forces which cause objects to turn around continuously in a circle are known as?
Options:
A. hydrodynamic forces
B. tension forces
C. centripetal forces
D. frictional forces | C |
Question: Why is a synthetic diamond not considered a mineral?
Options:
A. Minerals must not occur naturally.
B. interactions must be created naturally
C. minerals must be created naturally
D. fluctuations must be created naturally | C |
Question: What type of plug is generally used on metal appliances?
Options:
A. 3 prong
B. 4 prong
C. .2 prong
D. 5 prong | A |
Question: What term describes the ability of matter to combine chemically with other substances?
Options:
A. Diffusion
B. oxidation
C. reactivity
D. permeability | C |
Question: What occurs when waves interact with other waves?
Options:
A. resurgence
B. interference
C. vibration
D. frequency | B |
Question: What is defined in physics as the amount of force pushing against a given area?
Options:
A. resistance
B. gravity
C. pressure
D. energy | C |
Question: What do you call the heat below earth’s surface that can be used to produce electricity?
Options:
A. renewable energy
B. natural energy
C. geothermal energy
D. inert energy | C |
Question: How do most plants create food?
Options:
A. atherosclerosis
B. photosynthesis
C. glycolysis
D. electrolysis | B |
Question: In a ketone, two of which kind of groups are attached to the carbonyl carbon atom?
Options:
A. ions
B. nitrogen groups
C. oxygen groups
D. carbon groups | D |
Question: Tapeworms are what type of flatworms?
Options:
A. symbiotic
B. parasitic
C. endogenous
D. single-celled | B |
Question: In most crustaceans, what two structures fuse to form a cephalothorax?
Options:
A. foot and toes
B. body and shoulders
C. head and thorax
D. wing and legs | C |
Question: What class of animal, including hydras and jellies, is considered the simplest to contain a nervous system?
Options:
A. prokaryotes
B. fish
C. cnidarians
D. sponges | C |
Question: When iron and sulfur are mixed together in a certain ratio and heated, what do they become?
Options:
A. sulfuric acid
B. rust
C. iron oxide
D. iron sulfide | D |
Question: What do many scientists think are the oldest eukaryotes?
Options:
A. arthropods
B. plants
C. prokaryotes
D. protists | D |
Question: Culprits in the common cold and aids, what infectious agents are far smaller and simpler than bacteria?
Options:
A. viruses
B. parasites
C. pathogens
D. poisons | A |
Question: What triangular feature is formed when a river empties into a large body of still water?
Options:
A. delta
B. confluence
C. region
D. flow | A |
Question: Professionals known as genetic counselors can help them understand the risks of?
Options:
A. children being affected
B. disease
C. infection
D. contagion | A |
Question: What type of fronts often bring sudden changes in the weather, including different types of precipitation, depending on the season?
Options:
A. stationary fronts
B. occluded fronts
C. warm fronts
D. cold fronts | D |
Question: Similarity in biochemicals, like the glucose used by virtually all living things for energy, provides evidence of what?
Options:
A. evolution
B. DNA
C. gravity
D. variation | A |
Question: In type 2 diabetes, body cells do not respond to normal amounts of what hormone?
Options:
A. insulin
B. estrogen
C. glucose
D. hemoglobin | A |
Question: What fibres are seen in some vertebrates that twitch at rates far faster than any human muscle?
Options:
A. fast oxidative fibres
B. slow twitch fibres
C. skeletal muscle fibers
D. fast glycolytic fibres | C |
Question: The cytoplasm divides during what process?
Options:
A. genesys
B. metamorphosis
C. osmosis
D. cytokinesis | D |
Question: Where do birds store and moisten food that is waiting to be digested?
Options:
A. tree
B. gullet
C. crop
D. nest | C |
Question: Where can you find humid subtropical climates?
Options:
A. between 20 and 40 degrees latitude
B. between 20 and 40 degrees longitude
C. between 40 and 60 degrees latitude
D. between 40 and 60 degrees longitude | A |
Question: What type of lenses can correct myopia?
Options:
A. concave lenses
B. convex lenses
C. polarized lenses
D. diffusion lenses | A |
Question: Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this?
Options:
A. light source4
B. heating source
C. energy source
D. fuel source | C |
Question: Glaciers modify the landscape by what?
Options:
A. truncation
B. sediment
C. silt
D. erosion | D |
Question: The cells in the follicle undergo physical changes and produce a structure called a what?
Options:
A. primordial follicle
B. corpus luteum
C. liberated ovum
D. secondary ovum | B |
Question: Scientists can use what tool to determine an earthquake's strength?
Options:
A. geiger counter
B. seismogram
C. telescope
D. kilocalorie | B |
Question: How many moons does pluto have?
Options:
A. two
B. six
C. four
D. three | D |
Question: Huge calderas form when the mountain above an empty chamber of what collapses?
Options:
A. mercury
B. gas
C. magma
D. coal | C |
Question: What type of bonds are the attractive forces between the positively charged nuclei of the bonded atoms and one or more pairs of electrons that are located between the atoms?
Options:
A. active
B. covalent
C. reactive
D. gravitational | B |
Question: Chemical elements and water are constantly recycled in the ecosystem through what?
Options:
A. inorganic cycles
B. biogeochemical cycles
C. greenhouse gases
D. geothermal cycles | B |
Question: What system is the spinal cord related to?
Options:
A. digestive system
B. lymphatic system
C. nervous system
D. circulatory system | C |
Question: What is the total range of the energy from the sun called?
Options:
A. molecular spectrum
B. solar spectrum
C. electromagnetic spectrum
D. measured spectrum | C |
Question: Plants have specialized organs that help them survive and reproduce in a great diversity of habitats. major organs of most plants include roots, stems, and what?
Options:
A. leaves
B. clusters
C. sacs
D. lungs | A |
Question: The lungs of mammals are unique in having what?
Options:
A. glands
B. alveoli
C. acini
D. alveolar | B |
Question: The organs of female mammals that that produce eggs are called what?
Options:
A. Uterus
B. testes
C. fallopian tubes
D. ovaries | D |
Question: What do you call the patterns and groups of stars in the sky that ancient people observed and made stories about?
Options:
A. constellations
B. planets
C. asteroid fields
D. meteors | A |
Question: Each enzyme has an optimal what at which its reaction rate is greatest?
Options:
A. temperature
B. weight
C. precipitation
D. size | A |
Question: What type of prokaryotes live in habitats without oxygen?
Options:
A. aerobic
B. anaerobic
C. enzymatic
D. phosphoric | B |
Question: What is the only metal that is liquid at room temperature?
Options:
A. gas
B. hydrogen
C. mercury
D. water | C |
Question: What do animals store with the help of saturated fatty acids?
Options:
A. oxygen
B. sugar
C. protein
D. energy | D |
Question: What are the dark areas of the moon called?
Options:
A. craters
B. maria
C. hollow space
D. laura | B |
Question: What do people use from aquifers from springs or wells?
Options:
A. fresh water
B. oxygen
C. soil
D. salt | A |
Question: What item lost by diffusion and in the urine are replenished by eating?
Options:
A. protein
B. salt
C. sugar
D. yeast | B |
Question: What is the primary cause of air movement in the troposphere?
Options:
A. solar winds
B. the ozone layer
C. asteroids
D. differences in heating | D |
Question: In cellular respiration, glucose is broken down and what is made?
Options:
A. rna
B. chlorophyll
C. atp
D. simple sugars | C |
Question: The sum of the kinetic and potential energies of a system’s atoms and molecules is called what?
Options:
A. internal energy
B. mechanical energy
C. used energy
D. stored energy | A |
Question: After what state is reached, the concentrations of all reaction components remain constant unless a change is made to the system?
Options:
A. equilibrium
B. level
C. homeostasis
D. equality | A |
Question: What type of reproduction is exemplified by starfish and yeasts?
Options:
A. asexual reproduction
B. bacteria reproduction
C. sexual reproduction
D. microscopic reproduction | A |
Question: What is the scientific term for stored energy an object has due to its position or shape?
Options:
A. new energy
B. potential energy
C. repeat energy
D. mechanical energy | B |
Question: What kind of current flows in just one direction?
Options:
A. physical current
B. Alternating current
C. direct current
D. slow current | C |
Question: Most motions in nature follow ________ rather than straight lines?
Options:
A. vertical paths
B. curved paths
C. horizontal paths
D. sharp paths | B |
Question: An object's energy due to motion is known as?
Options:
A. thermodynamic energy
B. inertia
C. kinetic energy
D. residual energy | C |
Question: While populations with unlimited resources grow exponentially, the population of a species will level off when what limit of its environment is reached?
Options:
A. reproduction
B. niche
C. carrying capacity
D. extinction | C |
Question: Group 16 is called what?
Options:
A. the oxygen group
B. noble gases
C. metalloids
D. the acid group | A |
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