prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What happens to charges whenever they are accelerated?
A. they die
B. they darken
C. they fuse
D. they radiate
Answer: | D | sciq |
What is it in bone marrow transplants that may cause a graft versus host reaction?
A. cancer
B. lymphocytes
C. tumors
D. neutrophils
Answer: | B | sciq |
The vagina starts at the vulva and ends where?
A. the uterus
B. pelvic brim
C. clitoris
D. testicle
Answer: | A | sciq |
Regulatory proteins bind to regulatory elements to control what?
A. growth
B. differentiation
C. transcription
D. mutation
Answer: | C | sciq |
Microfilaments are mostly concentrated just beneath what?
A. the cell membrane
B. the nucleus
C. the cytoplasm
D. the cell wall
Answer: | A | sciq |
What term is used for any combination of two or more atoms?
A. nucleus
B. synthesis
C. element
D. molecule
Answer: | D | sciq |
What is biomass made into fuel called?
A. benign fuel
B. toxic fuel
C. renewable fuel
D. bio fuel
Answer: | D | sciq |
What type of thin lava forms shapes and tubes as it flows?
A. pāhoehoe
B. xerophyte
C. spicule
D. xeric
Answer: | A | sciq |
The nucleolus, which makes ribosomes, is located within what cell structure?
A. epidermis
B. mitochondria
C. Golgi apparatus
D. nucleus
Answer: | D | sciq |
Electrons flow through the electrolyte from the ________ to __________ electrode.
A. negative; positive
B. negative; neutral
C. positive; negative
D. neutral; negative
Answer: | A | sciq |
What is the name of the part that connects the vagina with the uterus?
A. urethra
B. ovary
C. cervix
D. vulva
Answer: | C | sciq |
No-till farming is one effort to combat what, caused by typical farming practices?
A. habitat destruction
B. soil erosion
C. pollution
D. drought
Answer: | B | sciq |
Geysers are created when what is heated beneath the earth's surface?
A. air
B. gases
C. water
D. magma
Answer: | C | sciq |
Increasing voltage with a higher-volt battery does what to the current?
A. decreases it
B. increases it
C. stops it
D. blocks it
Answer: | B | sciq |
Hydrogen peroxide will decompose over time to produce _______ gas.
A. water and carbon dioxide
B. water and oxygen
C. methane
D. hydrogen and helium
Answer: | B | sciq |
What kind of pipettes are suitable for measuring very small amounts of liquids?
A. frozen pipettes
B. micropipettes
C. macropipettes
D. clutch pipettes
Answer: | B | sciq |
What is the measure of the force of gravity pulling down on an object called?
A. mass
B. volume
C. factor
D. weight
Answer: | D | sciq |
Boiling points increase with which kind of mass?
A. protons mass
B. molar mass
C. lipid mass
D. universal mass
Answer: | B | sciq |
The largest absorption of heat comes during the vaporization of what?
A. ice
B. magma
C. liquid water
D. carbon dioxide
Answer: | C | sciq |
What do fungi absorb to get their nutrition?
A. water
B. soil
C. air
D. organic compounds from other organisms
Answer: | D | sciq |
The variable is the speed of light. for the relationship to hold mathematically, if the speed of light is used in m/s, the wavelength must be in meters and the frequency in what?
A. gigawatts
B. miles
C. centimeters
D. hertz
Answer: | D | sciq |
A yolk sac replaces what structure for nourishing a marsupial embryo?
A. glucose
B. placenta
C. Stomach
D. uterus
Answer: | B | sciq |
What is the pressure of gas in a gas mixture termed?
A. partial pressure
B. partial energy
C. gaseous energy
D. gaseous pressure
Answer: | A | sciq |
Making ups about 50 percent of the modern american diet, what food group can be classified according to the number of monomers they contain of simple sugars and/or complex sugars?
A. proteins
B. grains
C. carbohydrates
D. fats
Answer: | C | sciq |
What is the process of the fusion of a sperm and an egg called?
A. embryo
B. stimulation
C. Sperm
D. fertilization
Answer: | D | sciq |
What is the motion that moves the forearm from the supinated position to the pronated position?
A. supination
B. extension
C. pronation
D. flexion
Answer: | C | sciq |
What organ system consists of the skin, nails and hair?
A. nervous system
B. digestive system
C. integumentary system
D. endocrine system
Answer: | C | sciq |
What does it mean to be a diploid organism?
A. micelles have two copies of each gene
B. taproot has two copies of each gene
C. organism has two copies of each gene
D. yolk has two copies of each gene
Answer: | C | sciq |
What do you call the carbohydrate formed when two monosaccharides bond together?
A. calcite
B. disaccharide
C. glucose
D. hydroxyl
Answer: | B | sciq |
What is the term for a resource that is used in a way that meets the needs of the present without keeping future generations from meeting their needs?
A. structural
B. tolerable
C. sustainable
D. innovative
Answer: | C | sciq |
The genes that code for the positive cell cycle regulators are called what?
A. stem cell genes
B. ribosomes
C. proto-oncogenes
D. primary genes
Answer: | C | sciq |
What are essential for pollination, but can spread disease and destroy crops?
A. mice
B. spiders
C. fruits
D. insects
Answer: | D | sciq |
Branching food chains and complex trophic interactions form what?
A. food webs
B. food fields
C. food trees
D. food maps
Answer: | A | sciq |
The chemical behavior of elements can largely be explained by what?
A. electron configurations
B. proton configuration
C. neutron configuration
D. chemical configuration
Answer: | A | sciq |
Metalloids, metals, and nonmetals are all classes of what?
A. protons
B. compounds
C. elements
D. matter
Answer: | C | sciq |
How does air always flow?
A. in to out
B. high to low
C. left to right
D. low to high
Answer: | B | sciq |
What type of invisible waves are used in microwaves?
A. thermal
B. radiation
C. convection
D. electric
Answer: | B | sciq |
Which muscular organ pumps blood all around your body?
A. lungs
B. stomach
C. heart
D. pancreas
Answer: | C | sciq |
What causes the changes of puberty?
A. estrogen
B. insulin
C. glucose
D. testosterone
Answer: | A | sciq |
If a sedimentary rock layer is not horizontal, what is it?
A. striated
B. mineralized
C. igneous
D. deformed
Answer: | D | sciq |
What system, which includes the skin, plays important roles in protection, sensing stimuli and thermoregulation?
A. pectins system
B. digestive system
C. integumentary system
D. teleporters system
Answer: | C | sciq |
What type of plant tissue transports water and dissolved mineral upward to the leaves?
A. phloem
B. ectoderm
C. xylem
D. collagen
Answer: | C | sciq |
What can lenses be used to make?
A. visual representations
B. aspect representations
C. function representations
D. comparison representations
Answer: | A | sciq |
Surface tension is a property of matter that is in what state?
A. water
B. liquid
C. Base
D. mixture
Answer: | B | sciq |
Amphibians have permeable skin which allows for the exchange of oxygen and carbon dioxide, what is this "breathing called?"
A. cutaneous respiration
B. variant respiration
C. benign respiration
D. aquatic respiration
Answer: | A | sciq |
What is the main component of paper, cardboard, and textiles made from cotton, linen, and other plant fibers?
A. cambium
B. vascular tissue
C. pulp
D. cellulose
Answer: | D | sciq |
What theory explains the physical behavior of gases?
A. kinetic theory of gases
B. relativity theory of gases
C. quantum theory of gases
D. thermodynamic theory of gases
Answer: | A | sciq |
Only finished mrnas are exported from the nucleus to what?
A. electron
B. amino acids
C. cytoplasm
D. cerebellum
Answer: | C | sciq |
What is the largest artery in the body called?
A. femoral
B. aorta
C. subclavian
D. carotid
Answer: | B | sciq |
What type of change has occurred when a copper penny changes color?
A. chemical change
B. carbon change
C. reactive change
D. contamination change
Answer: | A | sciq |
A switch in a circuit controls the flow of what, specifically, within the circuit?
A. density
B. current
C. pressure
D. resistance
Answer: | B | sciq |
What causes fertilization to occur?
A. tissue and an egg fuse
B. genetic and an egg fuse
C. sperm and an egg fuse
D. accumulation and an egg fuse
Answer: | C | sciq |
Because they spread seeds, fruits are an agent of what?
A. disposal
B. propagation
C. predation
D. dispersal
Answer: | D | sciq |
Proto-oncogenes normally help regulate what?
A. cell function
B. cell death
C. cell transition
D. cell division
Answer: | D | sciq |
The "double helix" shape is associated with what substance found in cells?
A. genes
B. dna
C. bacteria
D. plasma
Answer: | B | sciq |
What do you call the physical environment in which a species lives and to which it is adapted?
A. habitat
B. ecosystem
C. environment
D. domain
Answer: | A | sciq |
What is the outer core made of?
A. solid rock
B. liquid metal
C. compressed air
D. solid iron
Answer: | B | sciq |
What type of eukaryotes are protists normally?
A. immature
B. photosynthetic
C. unicellular
D. multicellular
Answer: | C | sciq |
An inclined plane is a good example of what kind of machine?
A. strong
B. simple
C. complex
D. weak
Answer: | B | sciq |
The pressure of a sample of gas is measured with an open-end what?
A. barometer
B. manometer
C. altimeter
D. thermometer
Answer: | B | sciq |
Bog destruction in scotland is an example of the widespread loss of what kind of habitat?
A. desert
B. wetland
C. ocean
D. tundra
Answer: | B | sciq |
What part of the plant has a root end and a shoot end?
A. axis
B. radius
C. pistol
D. leaves
Answer: | A | sciq |
Hardness, density, color, and melting and boiling points are all considered what types of properties?
A. thermal
B. visible
C. physical
D. chemical
Answer: | C | sciq |
Low levels of thyroid hormones in the blood cause the release of what by the hypothalamus and pituitary gland?
A. hormones
B. acids
C. enzymes
D. bases
Answer: | A | sciq |
The energy changes in what reactions are enormous compared with those of even the most energetic chemical reactions, and they result in a measurable change of mass?
A. methane combustion
B. molecular reaction
C. nuclear reactions
D. metabolic reaction
Answer: | C | sciq |
What type of chemistry is the study of the composition of matter?
A. reactive
B. analytical
C. symbolic
D. philosophical
Answer: | B | sciq |
Scientists did not actually see viruses until what was invented?
A. telescope
B. magnifying glass
C. electronic scale
D. electron microscope
Answer: | D | sciq |
Regularly done aerobic activities can help build up endurance and make what vital organ stronger?
A. brain
B. stomach
C. heart
D. skin
Answer: | C | sciq |
What do all chemical sections need to get started?
A. speed
B. pressure
C. energy
D. work
Answer: | C | sciq |
What do people apply to their lawns that causes water pollution?
A. manure
B. seeds
C. water
D. chemicals
Answer: | D | sciq |
What do vertebrates possess that is made up of repeating bony units?
A. spinal cord
B. notochord
C. vertebral column
D. skull
Answer: | C | sciq |
How long does it take for earth to rotate on it's axis one time?
A. 6 hours
B. 12 hours
C. 26 hours
D. 24 hours
Answer: | D | sciq |
In what system can energy change forms but the total amount of energy stay constant?
A. closed
B. primary
C. heterogeneous
D. open
Answer: | A | sciq |
What characteristics of an organism help it survive?
A. additions
B. adaptations
C. systems
D. Changes
Answer: | B | sciq |
The major component of a solution is called what?
A. mixture
B. solute
C. water
D. solvent
Answer: | D | sciq |
What type of pollution is generated by power plants and factories that can directly raise the temperature of water?
A. variable pollution
B. Space Pollution
C. thermal pollution
D. atmospheric pollution
Answer: | C | sciq |
Nearly all of what are constructed from a set of just 20 common amino acids?
A. biological proteins
B. mammal proteins
C. complex proteins
D. artifical proteins
Answer: | A | sciq |
What takes place when water on earth’s surface changes to water vapor?
A. absorption
B. evaporation
C. condensation
D. transpiration
Answer: | B | sciq |
The muscles of the anterior neck assist in deglutition also known as what?
A. pulling
B. breathing
C. staring
D. swallowing
Answer: | D | sciq |
Cells infected with viruses secrete what example of early induced proteins, which travel to adjacent cells and induce them to make antiviral proteins, a sacrifice that protects the surrounding cells?
A. hormones
B. prokaryotes
C. interferons
D. metabolites
Answer: | C | sciq |
What term is used to describe changes to an organism’s dna and are an important driver of diversity in populations?
A. mutations
B. pathogens
C. adaptations
D. evolutions
Answer: | A | sciq |
Molecules with a carboxyl group are called what?
A. acetic acids
B. catalyzed acids
C. carboxylic acids
D. Fatty acids
Answer: | C | sciq |
What type of galaxies have a rotating disk of stars and dust, a bulge in the middle, and several arms?
A. round galaxies
B. spherical galaxies
C. spiral galaxies
D. pinwheel galaxies
Answer: | C | sciq |
How is carbon dioxide and water vapor that is produced by cellular respiration released?
A. evaporation
B. exhalation
C. peroxidation
D. fermentation
Answer: | B | sciq |
What occurs when there are differences in fitness among a population?
A. evolution
B. natural process
C. natural change
D. natural selection
Answer: | D | sciq |
A group of living things and their environment is called what?
A. community
B. ecosystem
C. biome
D. population
Answer: | B | sciq |
Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?
A. their scales
B. their external skeleton
C. their hairs
D. their wings
Answer: | B | sciq |
The effects of which kind of selection are larger than the effects of direct natural selection on individuals?
A. unnatural selection
B. stranger selection
C. topical selection
D. kin selection
Answer: | D | sciq |
Superconductors are materials with a resistivity of?
A. above zero
B. greater density
C. zero
D. high magnitude
Answer: | C | sciq |
What affects how high a cake rises when it bakes?
A. air currents
B. current pressure
C. air movement
D. air pressure
Answer: | D | sciq |
Binary fission is an example of which type of production?
A. asexual
B. algal
C. primitive
D. sexual
Answer: | A | sciq |
What type of field does earth have?
A. force field
B. magnetic
C. seismic
D. atmospheric
Answer: | B | sciq |
Single bonds allow the atoms they join to rotate freely about the what?
A. nucleus
B. bond axis
C. electron shell
D. atomic orbit
Answer: | B | sciq |
Preserved remains or traces of organisms that lived in the past are known as what?
A. deposits
B. archives
C. fossils
D. skulls
Answer: | C | sciq |
Co 2 , h 2 o, methane, o 3 , nitrous oxides (no and no 2 ), and chlorofluorocarbons (cfcs) are known as what type of gases?
A. hydrogen gases
B. chemical gases
C. greenhouse gases
D. carbonate gases
Answer: | C | sciq |
A black solid by itself, this element is incredibly important because of what it makes when it combines with many other elements, including oxygen?
A. lead
B. dioxide
C. carbon
D. hydrogen
Answer: | C | sciq |
Radar maps of venus show that it has mountains, canyons and volcanoes surrounded by plains of what?
A. grasses
B. helium
C. water
D. lava
Answer: | D | sciq |
Bones are part of which body system?
A. circulation system
B. muscular system
C. skeletal system
D. hard system
Answer: | C | sciq |
Name the 2 types of carbohydrates?
A. simple and thermal
B. simple and complex
C. simple and structural
D. simple and nuclear
Answer: | B | sciq |
The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what?
A. glands
B. brachii
C. testes
D. alveoli
Answer: | D | sciq |
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