prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Angiosperms produce their gametes in separate organs, which are usually housed in these?
A. stems
B. seeds
C. flowers
D. leaves
Answer: | C | sciq |
What are the two types of charges?
A. volume and acceleration
B. positive and negative
C. ions and neutrons
D. energy and mass
Answer: | B | sciq |
What is the name for a change in a single nucleotide in dna?
A. point mutation
B. adaptation
C. cell regeneration
D. spontaneous mutation
Answer: | A | sciq |
Ocean acidification results from the ocean absorbing what gas from the atmosphere?
A. carbon dioxide
B. nitrogen
C. oxygen
D. hydrogen
Answer: | A | sciq |
What are organisms that feed on available plants called?
A. antigens
B. florophores
C. grazers
D. plantfeeders
Answer: | C | sciq |
What is the limiting factor for bacteria in a dish?
A. space
B. material
C. speed
D. density
Answer: | A | sciq |
Where are some of the greatest concentrations of species found?
A. in mould colonies
B. in the arctic
C. at high altitudes
D. in the tropics
Answer: | D | sciq |
What do tadpoles clear out of waterways?
A. disease
B. pollution
C. algae
D. oxygen
Answer: | C | sciq |
What theory says stresses build on both sides of a fault?
A. Geiger theory
B. elastic rebound theory
C. Big Bang theory
D. seismic load theory
Answer: | B | sciq |
How many pairs of autosomes are there?
A. Seven
B. five
C. three
D. four
Answer: | C | sciq |
What are the only living organisms that can make their own food?
A. plants
B. protozoa
C. bacteria
D. animals
Answer: | A | sciq |
The brain and spinal cord are part of what system, which serves as a control center?
A. active nervous system
B. central nervous system
C. large nervous system
D. primary nervous system
Answer: | B | sciq |
What are the highest clouds in the atmosphere?
A. nebulous clouds
B. alto clouds
C. silicic clouds
D. noctilucent clouds
Answer: | D | sciq |
What type of reproduction results in genetically unique offspring?
A. asexual reproduction
B. sexual reproduction
C. mitosis
D. internal reproduction
Answer: | B | sciq |
What is a disorder of glucose metabolism in which insulin production by the pancreas is impaired?
A. diabetes mellitus
B. populations mellitus
C. sugar mellitus
D. cluster mellitus
Answer: | A | sciq |
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?
A. nucleation
B. solar fission
C. nuclear fission
D. nuclear fusion
Answer: | C | sciq |
Colliding-beam accelerators create matter from what?
A. magnetism
B. minerals
C. energy
D. sound
Answer: | C | sciq |
What is the term for the measure of the force of gravity pulling down on an object?
A. weight
B. density
C. mass
D. pressure
Answer: | A | sciq |
Aging is associated with the death of what?
A. cells
B. proteins
C. genes
D. muscles
Answer: | A | sciq |
Animals that live in groups with other members of their species are called what?
A. available animals
B. aggressive animals
C. social animals
D. grouping animals
Answer: | C | sciq |
What are typically named for their major physical or climatic factors in addition to their predominant vegetation?
A. habitats
B. terrestrial biomes
C. aqueous biomes
D. communities
Answer: | B | sciq |
What type of vents are giant tube worms found at?
A. hydrothermal
B. Heated
C. temperature
D. oxygen
Answer: | A | sciq |
What results when a force does work?
A. pressure
B. side effect
C. momentum
D. movement
Answer: | D | sciq |
At the earth’s surface, the air pressure exerted on you is a result of the weight of what above you?
A. water
B. humidity
C. magnetic force
D. air
Answer: | D | sciq |
What is a common condition caused by stomach acid?
A. headache
B. heartburn
C. arthritis
D. sunburn
Answer: | B | sciq |
Where do the majority of species live?
A. air
B. ocean
C. land
D. trees
Answer: | B | sciq |
What process brings nutrients from the ocean's floor to its surface?
A. coastal swell
B. Down welling
C. upwelling
D. Tides
Answer: | C | sciq |
Crests and troughs are the high and low points of a what?
A. heat wave
B. transverse wave
C. rupture wave
D. darker wave
Answer: | B | sciq |
What is the term for materials that have been left behind by organisms that once lived?
A. bones
B. fossils
C. detritis
D. skulls
Answer: | B | sciq |
A penguin must do what before molting?
A. hibernate
B. mate
C. use muscle mass
D. increase muscle mass
Answer: | D | sciq |
The pelvic girdle, consisting of a hip bone, serves to attach a lower limb to this?
A. appendicular skeleton
B. exoskeleton
C. cytoskeleton
D. axial skeleton
Answer: | D | sciq |
Why does water have a high surface tension?
A. hydrogen bonding
B. high freezing point
C. oxygenation
D. helium bonding
Answer: | A | sciq |
What are the two types of vascular tissues found in vascular plants?
A. xylem and phloem
B. ectoderm and phloem
C. cytoplasm and chloroplasm
D. xylem and chloroplasm
Answer: | A | sciq |
What are the two types of photoreceptors in the retina?
A. rods and cones
B. circles and cones
C. holes and cones
D. images and cones
Answer: | A | sciq |
Forces which cause objects to turn around continuously in a circle are known as?
A. frictional forces
B. hydrodynamic forces
C. centripetal forces
D. tension forces
Answer: | C | sciq |
Why is a synthetic diamond not considered a mineral?
A. fluctuations must be created naturally
B. Minerals must not occur naturally.
C. minerals must be created naturally
D. interactions must be created naturally
Answer: | C | sciq |
What type of plug is generally used on metal appliances?
A. .2 prong
B. 5 prong
C. 4 prong
D. 3 prong
Answer: | D | sciq |
What term describes the ability of matter to combine chemically with other substances?
A. permeability
B. Diffusion
C. oxidation
D. reactivity
Answer: | D | sciq |
What occurs when waves interact with other waves?
A. resurgence
B. frequency
C. interference
D. vibration
Answer: | C | sciq |
What is defined in physics as the amount of force pushing against a given area?
A. energy
B. pressure
C. gravity
D. resistance
Answer: | B | sciq |
What do you call the heat below earth’s surface that can be used to produce electricity?
A. inert energy
B. natural energy
C. geothermal energy
D. renewable energy
Answer: | C | sciq |
How do most plants create food?
A. atherosclerosis
B. photosynthesis
C. electrolysis
D. glycolysis
Answer: | B | sciq |
In a ketone, two of which kind of groups are attached to the carbonyl carbon atom?
A. oxygen groups
B. nitrogen groups
C. ions
D. carbon groups
Answer: | D | sciq |
Tapeworms are what type of flatworms?
A. single-celled
B. parasitic
C. symbiotic
D. endogenous
Answer: | B | sciq |
In most crustaceans, what two structures fuse to form a cephalothorax?
A. foot and toes
B. body and shoulders
C. wing and legs
D. head and thorax
Answer: | D | sciq |
What class of animal, including hydras and jellies, is considered the simplest to contain a nervous system?
A. prokaryotes
B. sponges
C. cnidarians
D. fish
Answer: | C | sciq |
When iron and sulfur are mixed together in a certain ratio and heated, what do they become?
A. rust
B. iron oxide
C. iron sulfide
D. sulfuric acid
Answer: | C | sciq |
What do many scientists think are the oldest eukaryotes?
A. arthropods
B. prokaryotes
C. protists
D. plants
Answer: | C | sciq |
Culprits in the common cold and aids, what infectious agents are far smaller and simpler than bacteria?
A. viruses
B. poisons
C. pathogens
D. parasites
Answer: | A | sciq |
What triangular feature is formed when a river empties into a large body of still water?
A. region
B. confluence
C. flow
D. delta
Answer: | D | sciq |
Professionals known as genetic counselors can help them understand the risks of?
A. disease
B. children being affected
C. infection
D. contagion
Answer: | B | sciq |
What type of fronts often bring sudden changes in the weather, including different types of precipitation, depending on the season?
A. cold fronts
B. warm fronts
C. occluded fronts
D. stationary fronts
Answer: | A | sciq |
Similarity in biochemicals, like the glucose used by virtually all living things for energy, provides evidence of what?
A. DNA
B. variation
C. gravity
D. evolution
Answer: | D | sciq |
In type 2 diabetes, body cells do not respond to normal amounts of what hormone?
A. hemoglobin
B. insulin
C. estrogen
D. glucose
Answer: | B | sciq |
What fibres are seen in some vertebrates that twitch at rates far faster than any human muscle?
A. fast oxidative fibres
B. skeletal muscle fibers
C. fast glycolytic fibres
D. slow twitch fibres
Answer: | B | sciq |
The cytoplasm divides during what process?
A. cytokinesis
B. genesys
C. osmosis
D. metamorphosis
Answer: | A | sciq |
Where do birds store and moisten food that is waiting to be digested?
A. tree
B. crop
C. nest
D. gullet
Answer: | B | sciq |
Where can you find humid subtropical climates?
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
Answer: | A | sciq |
What type of lenses can correct myopia?
A. polarized lenses
B. concave lenses
C. convex lenses
D. diffusion lenses
Answer: | B | sciq |
Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this?
A. energy source
B. heating source
C. light source4
D. fuel source
Answer: | A | sciq |
Glaciers modify the landscape by what?
A. silt
B. truncation
C. erosion
D. sediment
Answer: | C | sciq |
The cells in the follicle undergo physical changes and produce a structure called a what?
A. corpus luteum
B. liberated ovum
C. primordial follicle
D. secondary ovum
Answer: | A | sciq |
Scientists can use what tool to determine an earthquake's strength?
A. telescope
B. geiger counter
C. seismogram
D. kilocalorie
Answer: | C | sciq |
How many moons does pluto have?
A. two
B. six
C. four
D. three
Answer: | D | sciq |
Huge calderas form when the mountain above an empty chamber of what collapses?
A. coal
B. mercury
C. magma
D. gas
Answer: | C | sciq |
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?
A. active
B. gravitational
C. covalent
D. reactive
Answer: | C | sciq |
Chemical elements and water are constantly recycled in the ecosystem through what?
A. inorganic cycles
B. biogeochemical cycles
C. geothermal cycles
D. greenhouse gases
Answer: | B | sciq |
What system is the spinal cord related to?
A. lymphatic system
B. circulatory system
C. nervous system
D. digestive system
Answer: | C | sciq |
What is the total range of the energy from the sun called?
A. electromagnetic spectrum
B. solar spectrum
C. molecular spectrum
D. measured spectrum
Answer: | A | sciq |
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?
A. lungs
B. sacs
C. clusters
D. leaves
Answer: | D | sciq |
The lungs of mammals are unique in having what?
A. alveoli
B. glands
C. acini
D. alveolar
Answer: | A | sciq |
The organs of female mammals that that produce eggs are called what?
A. testes
B. fallopian tubes
C. Uterus
D. ovaries
Answer: | D | sciq |
What do you call the patterns and groups of stars in the sky that ancient people observed and made stories about?
A. asteroid fields
B. planets
C. constellations
D. meteors
Answer: | C | sciq |
Each enzyme has an optimal what at which its reaction rate is greatest?
A. weight
B. temperature
C. precipitation
D. size
Answer: | B | sciq |
What type of prokaryotes live in habitats without oxygen?
A. enzymatic
B. phosphoric
C. anaerobic
D. aerobic
Answer: | C | sciq |
What is the only metal that is liquid at room temperature?
A. gas
B. mercury
C. water
D. hydrogen
Answer: | B | sciq |
What do animals store with the help of saturated fatty acids?
A. protein
B. energy
C. sugar
D. oxygen
Answer: | B | sciq |
What are the dark areas of the moon called?
A. laura
B. hollow space
C. maria
D. craters
Answer: | C | sciq |
What do people use from aquifers from springs or wells?
A. salt
B. fresh water
C. oxygen
D. soil
Answer: | B | sciq |
What item lost by diffusion and in the urine are replenished by eating?
A. yeast
B. salt
C. protein
D. sugar
Answer: | B | sciq |
What is the primary cause of air movement in the troposphere?
A. asteroids
B. differences in heating
C. the ozone layer
D. solar winds
Answer: | B | sciq |
In cellular respiration, glucose is broken down and what is made?
A. chlorophyll
B. simple sugars
C. rna
D. atp
Answer: | D | sciq |
The sum of the kinetic and potential energies of a system’s atoms and molecules is called what?
A. used energy
B. mechanical energy
C. stored energy
D. internal energy
Answer: | D | sciq |
After what state is reached, the concentrations of all reaction components remain constant unless a change is made to the system?
A. homeostasis
B. equilibrium
C. level
D. equality
Answer: | B | sciq |
What type of reproduction is exemplified by starfish and yeasts?
A. bacteria reproduction
B. sexual reproduction
C. microscopic reproduction
D. asexual reproduction
Answer: | D | sciq |
What is the scientific term for stored energy an object has due to its position or shape?
A. potential energy
B. mechanical energy
C. new energy
D. repeat energy
Answer: | A | sciq |
What kind of current flows in just one direction?
A. slow current
B. physical current
C. direct current
D. Alternating current
Answer: | C | sciq |
Most motions in nature follow ________ rather than straight lines?
A. curved paths
B. horizontal paths
C. vertical paths
D. sharp paths
Answer: | A | sciq |
An object's energy due to motion is known as?
A. kinetic energy
B. inertia
C. residual energy
D. thermodynamic energy
Answer: | A | sciq |
While populations with unlimited resources grow exponentially, the population of a species will level off when what limit of its environment is reached?
A. niche
B. extinction
C. carrying capacity
D. reproduction
Answer: | C | sciq |
Group 16 is called what?
A. noble gases
B. the acid group
C. metalloids
D. the oxygen group
Answer: | D | sciq |
What type of temperatures increase the likelihood of fires?
A. freezing
B. higher
C. reduced
D. lower
Answer: | B | sciq |
Fertilizer runoff can create what type of zones in the ocean?
A. fresh zones
B. dead zones
C. hot zones
D. barren zones
Answer: | B | sciq |
What kind of electricity can you generate with the energy found in flowing water?
A. electrical power
B. wind energy
C. transient power
D. hydroelectric power
Answer: | D | sciq |
At the time of birth, bones of the brain case are separated by what wide areas of fibrous connective tissue, which later become sutures?
A. fluctuations
B. cerebellum
C. fontanelles
D. sporozoans
Answer: | C | sciq |
What are inorganic compounds that take the form of discrete molecules called?
A. magnetic compounds
B. molecular compounds
C. functional compounds
D. ionic compounds
Answer: | B | sciq |
The other ammonium ions are changed into nitrogen gas by what?
A. denitrifying bacteria
B. fungi
C. accompanying bacteria
D. fluctuations bacteria
Answer: | A | sciq |
What is typical weather for chicago in winter?
A. ice and humidity
B. dry and windy
C. rain and wind
D. cold & snow
Answer: | D | sciq |
What works by providing a lower energy pathway from reactants to products?
A. hormones
B. catalyst
C. magnetism
D. thermodynamics
Answer: | B | sciq |
What is the smallest part of a compound?
A. electron
B. molecule
C. nucleus
D. dna
Answer: | B | sciq |
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