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