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. leaves
B. stems
C. seeds
D. flowers
Answer: | D | sciq |
What are the two types of charges?
A. energy and mass
B. positive and negative
C. ions and neutrons
D. volume and acceleration
Answer: | B | sciq |
What is the name for a change in a single nucleotide in dna?
A. adaptation
B. point mutation
C. spontaneous mutation
D. cell regeneration
Answer: | B | sciq |
Ocean acidification results from the ocean absorbing what gas from the atmosphere?
A. oxygen
B. nitrogen
C. hydrogen
D. carbon dioxide
Answer: | D | sciq |
What are organisms that feed on available plants called?
A. grazers
B. plantfeeders
C. florophores
D. antigens
Answer: | A | sciq |
What is the limiting factor for bacteria in a dish?
A. speed
B. material
C. density
D. space
Answer: | D | sciq |
Where are some of the greatest concentrations of species found?
A. at high altitudes
B. in mould colonies
C. in the tropics
D. in the arctic
Answer: | C | sciq |
What do tadpoles clear out of waterways?
A. pollution
B. disease
C. algae
D. oxygen
Answer: | C | sciq |
What theory says stresses build on both sides of a fault?
A. elastic rebound theory
B. Big Bang theory
C. seismic load theory
D. Geiger theory
Answer: | A | sciq |
How many pairs of autosomes are there?
A. three
B. five
C. four
D. Seven
Answer: | A | sciq |
What are the only living organisms that can make their own food?
A. bacteria
B. plants
C. animals
D. protozoa
Answer: | B | sciq |
The brain and spinal cord are part of what system, which serves as a control center?
A. primary nervous system
B. active nervous system
C. large nervous system
D. central nervous system
Answer: | D | sciq |
What are the highest clouds in the atmosphere?
A. alto clouds
B. silicic clouds
C. nebulous clouds
D. noctilucent clouds
Answer: | D | sciq |
What type of reproduction results in genetically unique offspring?
A. internal reproduction
B. mitosis
C. asexual reproduction
D. sexual reproduction
Answer: | D | sciq |
What is a disorder of glucose metabolism in which insulin production by the pancreas is impaired?
A. sugar mellitus
B. populations mellitus
C. cluster mellitus
D. diabetes mellitus
Answer: | D | 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. nuclear fission
C. solar fission
D. nuclear fusion
Answer: | B | sciq |
Colliding-beam accelerators create matter from what?
A. magnetism
B. sound
C. minerals
D. energy
Answer: | D | sciq |
What is the term for the measure of the force of gravity pulling down on an object?
A. density
B. weight
C. mass
D. pressure
Answer: | B | sciq |
Aging is associated with the death of what?
A. muscles
B. proteins
C. cells
D. genes
Answer: | C | sciq |
Animals that live in groups with other members of their species are called what?
A. aggressive animals
B. social animals
C. available animals
D. grouping animals
Answer: | B | sciq |
What are typically named for their major physical or climatic factors in addition to their predominant vegetation?
A. habitats
B. terrestrial biomes
C. communities
D. aqueous biomes
Answer: | B | sciq |
What type of vents are giant tube worms found at?
A. Heated
B. temperature
C. oxygen
D. hydrothermal
Answer: | D | sciq |
What results when a force does work?
A. movement
B. pressure
C. momentum
D. side effect
Answer: | A | 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. magnetic force
C. humidity
D. air
Answer: | D | sciq |
What is a common condition caused by stomach acid?
A. headache
B. arthritis
C. sunburn
D. heartburn
Answer: | D | sciq |
Where do the majority of species live?
A. air
B. land
C. ocean
D. trees
Answer: | C | sciq |
What process brings nutrients from the ocean's floor to its surface?
A. upwelling
B. coastal swell
C. Down welling
D. Tides
Answer: | A | sciq |
Crests and troughs are the high and low points of a what?
A. rupture wave
B. heat wave
C. darker wave
D. transverse wave
Answer: | D | sciq |
What is the term for materials that have been left behind by organisms that once lived?
A. detritis
B. skulls
C. bones
D. fossils
Answer: | D | sciq |
A penguin must do what before molting?
A. mate
B. use muscle mass
C. hibernate
D. increase muscle mass
Answer: | D | sciq |
The pelvic girdle, consisting of a hip bone, serves to attach a lower limb to this?
A. cytoskeleton
B. exoskeleton
C. axial skeleton
D. appendicular skeleton
Answer: | C | sciq |
Why does water have a high surface tension?
A. helium bonding
B. hydrogen bonding
C. oxygenation
D. high freezing point
Answer: | B | sciq |
What are the two types of vascular tissues found in vascular plants?
A. xylem and phloem
B. xylem and chloroplasm
C. cytoplasm and chloroplasm
D. ectoderm and phloem
Answer: | A | sciq |
What are the two types of photoreceptors in the retina?
A. holes and cones
B. images and cones
C. rods and cones
D. circles and cones
Answer: | C | sciq |
Forces which cause objects to turn around continuously in a circle are known as?
A. hydrodynamic forces
B. frictional forces
C. tension forces
D. centripetal forces
Answer: | D | sciq |
Why is a synthetic diamond not considered a mineral?
A. minerals must be created naturally
B. interactions must be created naturally
C. fluctuations must be created naturally
D. Minerals must not occur naturally.
Answer: | A | sciq |
What type of plug is generally used on metal appliances?
A. 5 prong
B. .2 prong
C. 4 prong
D. 3 prong
Answer: | D | sciq |
What term describes the ability of matter to combine chemically with other substances?
A. oxidation
B. permeability
C. reactivity
D. Diffusion
Answer: | C | sciq |
What occurs when waves interact with other waves?
A. interference
B. frequency
C. vibration
D. resurgence
Answer: | A | sciq |
What is defined in physics as the amount of force pushing against a given area?
A. resistance
B. energy
C. gravity
D. pressure
Answer: | D | sciq |
What do you call the heat below earth’s surface that can be used to produce electricity?
A. natural energy
B. renewable energy
C. geothermal energy
D. inert energy
Answer: | C | sciq |
How do most plants create food?
A. photosynthesis
B. atherosclerosis
C. glycolysis
D. electrolysis
Answer: | A | sciq |
In a ketone, two of which kind of groups are attached to the carbonyl carbon atom?
A. oxygen groups
B. ions
C. nitrogen groups
D. carbon groups
Answer: | D | sciq |
Tapeworms are what type of flatworms?
A. symbiotic
B. parasitic
C. endogenous
D. single-celled
Answer: | B | sciq |
In most crustaceans, what two structures fuse to form a cephalothorax?
A. foot and toes
B. head and thorax
C. body and shoulders
D. wing and legs
Answer: | B | sciq |
What class of animal, including hydras and jellies, is considered the simplest to contain a nervous system?
A. cnidarians
B. fish
C. sponges
D. prokaryotes
Answer: | A | sciq |
When iron and sulfur are mixed together in a certain ratio and heated, what do they become?
A. sulfuric acid
B. iron oxide
C. iron sulfide
D. rust
Answer: | C | sciq |
What do many scientists think are the oldest eukaryotes?
A. arthropods
B. plants
C. protists
D. prokaryotes
Answer: | C | sciq |
Culprits in the common cold and aids, what infectious agents are far smaller and simpler than bacteria?
A. viruses
B. pathogens
C. poisons
D. parasites
Answer: | A | sciq |
What triangular feature is formed when a river empties into a large body of still water?
A. flow
B. region
C. confluence
D. delta
Answer: | D | sciq |
Professionals known as genetic counselors can help them understand the risks of?
A. infection
B. contagion
C. disease
D. children being affected
Answer: | D | sciq |
What type of fronts often bring sudden changes in the weather, including different types of precipitation, depending on the season?
A. stationary fronts
B. warm fronts
C. cold fronts
D. occluded fronts
Answer: | C | sciq |
Similarity in biochemicals, like the glucose used by virtually all living things for energy, provides evidence of what?
A. gravity
B. DNA
C. evolution
D. variation
Answer: | C | sciq |
In type 2 diabetes, body cells do not respond to normal amounts of what hormone?
A. estrogen
B. insulin
C. glucose
D. hemoglobin
Answer: | B | sciq |
What fibres are seen in some vertebrates that twitch at rates far faster than any human muscle?
A. fast glycolytic fibres
B. fast oxidative fibres
C. skeletal muscle fibers
D. slow twitch fibres
Answer: | C | sciq |
The cytoplasm divides during what process?
A. genesys
B. osmosis
C. metamorphosis
D. cytokinesis
Answer: | D | sciq |
Where do birds store and moisten food that is waiting to be digested?
A. tree
B. gullet
C. nest
D. crop
Answer: | D | 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 longitude
D. between 40 and 60 degrees latitude
Answer: | A | sciq |
What type of lenses can correct myopia?
A. polarized lenses
B. convex lenses
C. diffusion lenses
D. concave lenses
Answer: | D | sciq |
Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this?
A. energy source
B. fuel source
C. heating source
D. light source4
Answer: | A | sciq |
Glaciers modify the landscape by what?
A. sediment
B. truncation
C. silt
D. erosion
Answer: | D | sciq |
The cells in the follicle undergo physical changes and produce a structure called a what?
A. secondary ovum
B. corpus luteum
C. primordial follicle
D. liberated ovum
Answer: | B | sciq |
Scientists can use what tool to determine an earthquake's strength?
A. kilocalorie
B. geiger counter
C. telescope
D. seismogram
Answer: | D | sciq |
How many moons does pluto have?
A. four
B. three
C. two
D. six
Answer: | B | sciq |
Huge calderas form when the mountain above an empty chamber of what collapses?
A. magma
B. gas
C. coal
D. mercury
Answer: | A | 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. gravitational
B. reactive
C. covalent
D. active
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. digestive system
B. circulatory system
C. nervous system
D. lymphatic system
Answer: | C | sciq |
What is the total range of the energy from the sun called?
A. electromagnetic spectrum
B. molecular spectrum
C. solar 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. clusters
B. lungs
C. sacs
D. leaves
Answer: | D | sciq |
The lungs of mammals are unique in having what?
A. glands
B. alveolar
C. alveoli
D. acini
Answer: | C | sciq |
The organs of female mammals that that produce eggs are called what?
A. ovaries
B. testes
C. Uterus
D. fallopian tubes
Answer: | A | sciq |
What do you call the patterns and groups of stars in the sky that ancient people observed and made stories about?
A. planets
B. asteroid fields
C. meteors
D. constellations
Answer: | D | sciq |
Each enzyme has an optimal what at which its reaction rate is greatest?
A. temperature
B. weight
C. size
D. precipitation
Answer: | A | sciq |
What type of prokaryotes live in habitats without oxygen?
A. anaerobic
B. enzymatic
C. aerobic
D. phosphoric
Answer: | A | sciq |
What is the only metal that is liquid at room temperature?
A. hydrogen
B. gas
C. mercury
D. water
Answer: | C | sciq |
What do animals store with the help of saturated fatty acids?
A. protein
B. energy
C. oxygen
D. sugar
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. fresh water
B. salt
C. oxygen
D. soil
Answer: | A | sciq |
What item lost by diffusion and in the urine are replenished by eating?
A. salt
B. protein
C. sugar
D. yeast
Answer: | A | sciq |
What is the primary cause of air movement in the troposphere?
A. the ozone layer
B. differences in heating
C. asteroids
D. solar winds
Answer: | B | sciq |
In cellular respiration, glucose is broken down and what is made?
A. rna
B. simple sugars
C. chlorophyll
D. atp
Answer: | D | sciq |
The sum of the kinetic and potential energies of a system’s atoms and molecules is called what?
A. internal energy
B. mechanical energy
C. used energy
D. stored energy
Answer: | A | 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. level
C. equality
D. equilibrium
Answer: | D | sciq |
What type of reproduction is exemplified by starfish and yeasts?
A. asexual reproduction
B. microscopic reproduction
C. bacteria reproduction
D. sexual reproduction
Answer: | A | sciq |
What is the scientific term for stored energy an object has due to its position or shape?
A. potential energy
B. new energy
C. repeat energy
D. mechanical energy
Answer: | A | sciq |
What kind of current flows in just one direction?
A. physical current
B. direct current
C. Alternating current
D. slow current
Answer: | B | sciq |
Most motions in nature follow ________ rather than straight lines?
A. curved paths
B. vertical paths
C. horizontal paths
D. sharp paths
Answer: | A | sciq |
An object's energy due to motion is known as?
A. inertia
B. kinetic energy
C. thermodynamic energy
D. residual energy
Answer: | B | 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. reproduction
B. carrying capacity
C. extinction
D. niche
Answer: | B | 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. lower
C. reduced
D. higher
Answer: | D | 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. hydroelectric power
C. transient power
D. wind energy
Answer: | B | 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. fontanelles
C. sporozoans
D. cerebellum
Answer: | B | sciq |
What are inorganic compounds that take the form of discrete molecules called?
A. functional compounds
B. magnetic compounds
C. molecular compounds
D. ionic compounds
Answer: | C | sciq |
The other ammonium ions are changed into nitrogen gas by what?
A. fungi
B. fluctuations bacteria
C. denitrifying bacteria
D. accompanying bacteria
Answer: | C | sciq |
What is typical weather for chicago in winter?
A. cold & snow
B. rain and wind
C. dry and windy
D. ice and humidity
Answer: | A | sciq |
What works by providing a lower energy pathway from reactants to products?
A. magnetism
B. catalyst
C. thermodynamics
D. hormones
Answer: | B | sciq |
What is the smallest part of a compound?
A. nucleus
B. electron
C. molecule
D. dna
Answer: | C | sciq |
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