prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What is the wavelength of light expressed in?
A. vatts
B. nanoseconds
C. millimeters
D. nanometers (nm)
Answer: | D | sciq |
What is found inside the pores of spongy bone?
A. bone marrow
B. liquid marrow
C. rupture marrow
D. green marrow
Answer: | A | sciq |
The strength of an acid depends on how many of which ions it produces when it dissolves in water?
A. helium
B. hydrogen
C. carbon
D. silicon
Answer: | B | sciq |
How many oxygen ions make up an ozone molecule?
A. eight
B. three
C. one
D. five
Answer: | B | sciq |
While light travels at different speeds in different kinds of matter, the speed of light is constant in what condition?
A. outer space
B. under water
C. through glass
D. vacuum
Answer: | D | sciq |
What kind of solution might cause animal cells to burst?
A. Acid Solution
B. hypotonic
C. monatomic
D. eutrophic
Answer: | B | sciq |
Transition metals are superior conductors of heat as well as what else?
A. cold
B. light
C. radiation
D. electricity
Answer: | D | sciq |
Our digestive system breaks down starch to what?
A. pattern sugars
B. Waste
C. simple sugars
D. Salts
Answer: | C | sciq |
What happens to a tectonic plate when it subducts?
A. it sinks
B. it melts
C. it cracks
D. it warms
Answer: | B | sciq |
A monosaccharide is the simplest carbohydrate and cannot be hydrolyzed to produce a smaller what?
A. carbohydrate molecule
B. amino acid
C. quark
D. glucose atom
Answer: | A | sciq |
What is the term for if multiple sperm fuse with an egg?
A. polyspermy
B. fraternization
C. pollenation
D. in vitro fertilization
Answer: | A | sciq |
As air pressures inside and outside of the ear equalize, what phenomenon is produced?
A. ear popping
B. eyes blinking
C. throat scratching
D. heart skipping
Answer: | A | sciq |
How many pairs of chromosomes are there?
A. 17
B. 2
C. 23
D. 13
Answer: | C | sciq |
Food is broken into smaller particles by mastication, a process involving action by what structures?
A. proteins
B. tonsils
C. teeth
D. cilia
Answer: | C | sciq |
Cell communication that occurs over short distances is known as what?
A. cell echo
B. hypersignaling
C. contraposition signaling
D. paracrine signaling
Answer: | D | sciq |
Triggering a blink when something touches the surface of the eye, the corneal reflex is what type of reflex?
A. somatic
B. orgasmic
C. dendritic
D. sensory
Answer: | A | sciq |
Vascular disorders involve problems with the flow of what?
A. saliva
B. mucus
C. bacteria
D. blood
Answer: | D | sciq |
In eukaryotes, mrna may be modified before leaving what?
A. mitochondria
B. ribosome
C. epidermis
D. nucleus
Answer: | D | sciq |
Velocity affects what type of energy more than mass does?
A. magnetic energy
B. mechanical energy
C. harmonic energy
D. kinetic energy
Answer: | D | sciq |
In which way do vertebrates reproduce?
A. bisexually
B. asexually
C. sexually
D. unisexually
Answer: | C | sciq |
Neutrons and protons reside in which part of the atom?
A. nucleus
B. molecules
C. nucleolus
D. vacuoles
Answer: | A | sciq |
What are the two best known baryons?
A. flux and neurons
B. protons and neutrons
C. electrons and neutrons
D. shafts and neutrons
Answer: | B | sciq |
Mutation creates new genetic variation in what?
A. gene pool
B. disease pool
C. mutation pool
D. form pool
Answer: | A | sciq |
What hormone controls milk production in mammary glands?
A. melanin
B. prolactin
C. pepsin
D. dopamine
Answer: | B | sciq |
Cellular respiration brings hydrogen and oxygen together to form what?
A. Salt
B. cold
C. water
D. air
Answer: | C | sciq |
What are the two components of the autonomic nervous system?
A. empathetic and sympathetic
B. neurons and sympathetic
C. parasympathetic and sympathetic
D. crystallisation and sympathetic
Answer: | C | sciq |
Where do lancelets live?
A. riverbeds
B. shallow ocean water
C. deep sea caves
D. on land
Answer: | B | sciq |
What is caused when circulating blood puts pressure on the walls of blood vessels?
A. blood pressure
B. high cholesterol
C. aneurysm
D. atherosclerosis
Answer: | A | sciq |
What is the most common bacterial sti in the u. s.?
A. tuberculosis
B. influenza
C. chlamydia
D. diarrhea
Answer: | C | sciq |
In what unit is heat measured in?
A. amperes
B. joules
C. thermals
D. velocities
Answer: | B | sciq |
In which type of cells are most organelles not found?
A. eukaryotic cells
B. prokaryotic cells
C. heterogeneous cells
D. endoplasmic cells
Answer: | B | sciq |
Which three colors are called the primary colors of light?
A. red, green, blue
B. black, white, red
C. red, blue, yellow
D. blue, green, violet
Answer: | A | sciq |
Water dissolving minerals out of rocks makes ocean water what?
A. sweet
B. bitter
C. salty
D. muddy
Answer: | C | sciq |
Like the energy content in food, the energy expenditures of exercise are also reported in what units?
A. kilocalories
B. grams
C. ironies
D. gigabytes
Answer: | A | sciq |
What's the term for an allele that's always expressed over another?
A. recessive
B. mutated
C. prevalent
D. dominant
Answer: | D | sciq |
Series and parallel circuits are two basic types of what?
A. electric circuits
B. chemical circuits
C. mechanical circuits
D. mutual circuits
Answer: | A | sciq |
Transport of water and solutes in plants water potential is a measure of the difference in potential energy between a water sample and this?
A. dirty water
B. pure water
C. salty water
D. green water
Answer: | B | sciq |
Three distinct layers or tunics form the walls of what structures; the first is a smooth, inner lining of endothelial cells in contact with the red blood cells?
A. alveoli
B. white blood cells
C. blood vessels
D. lungs
Answer: | C | sciq |
Groundwater does what to the rock beneath the ground surface?
A. erodes it
B. accelerates it
C. boosts it
D. creates it
Answer: | A | sciq |
Technetium is named after the greektechnikos, meaning “artificial,” because all its isotopes are what?
A. rare
B. neutral
C. plastic
D. radioactive
Answer: | D | sciq |
What is a galvanic process that can be prevented using cathodic protection?
A. vaporization
B. sublimation
C. explosion
D. corrosion
Answer: | D | sciq |
What are drumlins, eskers, and kettle lakes formed by?
A. earthquakes
B. tsunamis
C. glaciers
D. meteors
Answer: | C | sciq |
What is the vector sum of all the torques acting on the object called?
A. net torque
B. total torque
C. gross torque
D. critical torque
Answer: | A | sciq |
An electric current flows in a path called what?
A. fuse
B. electric circuit
C. electric ring
D. electric course
Answer: | B | sciq |
What gas can be generated by reacting sodium bromide with elemental chlorine?
A. Molecular Bromine Gas
B. elemental bromine gas
C. photons bromine gas
D. gaseous bromine gas
Answer: | B | sciq |
What is a close relationship between two species in which at least one species benefits?
A. endosymbiosis
B. parasitism
C. symbiosis
D. morphogenesis
Answer: | C | sciq |
Over many generations, the resulting genetic diversity provides valuable raw material for what?
A. characteristic selection
B. intelligent selection
C. coral selection
D. natural selection
Answer: | D | sciq |
What pulls skydivers towards the earth?
A. inertia
B. momentum
C. gravity
D. impact
Answer: | C | sciq |
What occurs when a gas passes through an opening that is smaller than the mean free path of the particles?
A. malformation
B. effusion
C. precipitation
D. dissipation
Answer: | B | sciq |
What are the preserved remains of animals, plants, and other organisms called?
A. fossils
B. skulls
C. rocks
D. basalt
Answer: | A | sciq |
What group of elements cannot conduct electricity?
A. phosphates
B. metals
C. nonmetals
D. carbonates
Answer: | C | sciq |
What is the name of a tough, fibrous membrane which protects the outer layer of bone?
A. cartilage
B. the periosteum
C. marrow
D. the epithelium
Answer: | B | sciq |
Bond lengths are intermediate between covalent single bonds and what?
A. gravitational double bonds
B. covalent double bonds
C. trivalent bonds
D. wavefunction double bonds
Answer: | B | sciq |
Under a microscope, salt crystals are what shape?
A. circles
B. triangles
C. squares
D. cubes
Answer: | D | sciq |
Where part of the atmosphere is the uppermost mantle?
A. isosphere
B. troposphere
C. thermosphere
D. lithosphere
Answer: | D | sciq |
In a heat map, what color represents the hottest temperatures?
A. bright yellow
B. pink
C. orange
D. bright red
Answer: | A | sciq |
All living things require what, which most ecosystems obtain from the sun?
A. water
B. energy
C. heat
D. oxygen
Answer: | B | sciq |
Kelvin is a temperature measure in which the lowest temperature is what?
A. definitive zero
B. absolute zero
C. accurate zero
D. anomalous zero
Answer: | B | sciq |
The basic fabric of most biological membranes is a double layer of _________ and other lipids?
A. solids
B. phospholipids
C. liquids
D. antibodies
Answer: | B | sciq |
What is the name for the organs behind the head of a fish that absorb oxygen from water?
A. alveoli
B. gills
C. pores
D. lungs
Answer: | B | sciq |
What system gets less effective with age, that generally makes older people more disease susceptible?
A. nervous system
B. infectious system
C. reproductive system
D. immune system
Answer: | D | sciq |
Which type of tides are created when the sun and moon's tides match?
A. weak tides
B. spring tides
C. low tides
D. Neap tides
Answer: | B | sciq |
What is the process of creating an exact genetic replica of an organism called?
A. cloning
B. reproducing
C. copying
D. converting
Answer: | A | sciq |
An example of hydrolysis working within our bodies is the process of what?
A. filtration
B. digestion
C. breathing
D. absorption
Answer: | B | sciq |
What theory can explain virtually all the properties of metals?
A. property law theory
B. band theory
C. formation theory
D. bonding theory
Answer: | B | sciq |
Serious imbalances, cancer and other diseases can result when expression of what goes awry?
A. gametes
B. ribosomes
C. proteins
D. genes
Answer: | D | sciq |
Which organ's diseases include kidney stones, infections, and kidney failure due to diabetes?
A. heart
B. lungs
C. pancreas
D. kidney
Answer: | D | sciq |
What single-celled organism can be either a predator, decomposer, herbivore, or parasite in the food chain?
A. protozoa
B. Diatoms
C. mites
D. vertebrates
Answer: | A | sciq |
What layer, made of hot, solid rock, is beneath the earth's crust?
A. marble
B. core
C. magma
D. mantle
Answer: | D | sciq |
Some bacteria can contaminate food and cause what illness?
A. bacterial spoilage
B. food poisoning
C. natural poisoning
D. bacterial poisoning
Answer: | B | sciq |
The enzyme pepsin works only in the presence of what?
A. acid
B. oxygen
C. carbohydrates
D. sodium
Answer: | A | sciq |
What organisms known as decomposers break down wastes and dead organisms into smaller molecules?
A. bacteria
B. consumers
C. herbivores
D. trees
Answer: | A | sciq |
Both flukes and tapeworms are parasites with what kind of host?
A. trees
B. vertebrate
C. insect
D. cells
Answer: | B | sciq |
What is the transfer of information from rna to dna called?
A. confront transcription
B. forward transcription
C. reverse differentiation
D. reverse transcription
Answer: | D | sciq |
In science, anything that has mass and volume is considered what?
A. renewable
B. matter
C. visible
D. an element
Answer: | B | sciq |
Cells with different functions often differ in what physical property?
A. density
B. size
C. weight
D. shape
Answer: | D | sciq |
Wich disorder arises when defective valves allow blood to accumulate within the veins?
A. vascular disease
B. bulging veins
C. varicose veins
D. cataracts veins
Answer: | C | sciq |
Ocean water has what property because water dissolves minerals out of rocks?
A. muddy
B. fizzy
C. salty
D. sweet
Answer: | C | sciq |
What term refers to patterns of stars seen from earth?
A. astrology
B. astronomers
C. horoscope
D. constellations
Answer: | D | sciq |
What gives the plant cell strength and protection?
A. the genes
B. a cell wall
C. the cell nucleus
D. the protons
Answer: | B | sciq |
If pollination occurs, what does the zygote develop into?
A. an embryo
B. a sperm
C. an egg
D. an ovum
Answer: | A | sciq |
Hiv has proteins called what, internal to the envelope, which help stabilize virion shape?
A. step proteins
B. reduction proteins
C. sphere proteins
D. matrix proteins
Answer: | D | sciq |
What are two basic types of pollutants in the air?
A. primary and secondary pollutants
B. smog and coal
C. pesticides and smog
D. organic and inorganic
Answer: | A | sciq |
How do humans learn behaviors?
A. Verbal pressure
B. Aural pressure
C. pressure
D. conditioning
Answer: | D | sciq |
Just about all life processes depend on what?
A. meat
B. air
C. carbon
D. water
Answer: | D | sciq |
During labor, what do contractions of the muscular walls of the uterus cause?
A. excretion
B. spontaneous abortion
C. premature birth
D. cervical dilation
Answer: | D | sciq |
How is communication initiated and maintained with spacecraft?
A. telegraph
B. radio waves
C. wi-fi
D. sonar
Answer: | B | sciq |
Dna replication is the first step in what process for both eukaryotic and prokaryotic cells?
A. cell transfer
B. cell division
C. cell growth
D. cell death
Answer: | B | sciq |
The prostate is formed of both muscular and which other tissues?
A. nonvascular tissue
B. glandular
C. cartilage tissue
D. scar
Answer: | B | sciq |
A mammal that reproduces by laying eggs is called what?
A. mammal
B. monotreme
C. cactaceae
D. maidenhair
Answer: | B | sciq |
Adaptations that go along with the active, carnivorous lifestyle of sharks are known as?
A. Relative traits
B. similar senses
C. acute parameters
D. acute senses
Answer: | D | sciq |
What is considered to be the control center for homeostatic mechanisms?
A. hippocampus
B. hypothalamus
C. thyroid
D. adrenal cortex
Answer: | B | sciq |
What molecules with a nitrogen base are the basic components of nucleic acids?
A. enzymes
B. nucleiotides
C. nuclides
D. sporozoans
Answer: | B | sciq |
What were the first vertebrates to evolve?
A. trees
B. fish
C. snail
D. shark
Answer: | B | sciq |
What is defined as the rate of energy transferred?
A. pressure
B. charge
C. power
D. capacity
Answer: | C | sciq |
The cochlea and vestibul make up what part of the ear?
A. outer
B. middle
C. inner
D. upper
Answer: | C | sciq |
An individual with the appropriate number of what for their species is called euploid; abnormalities in this number include trisomy and monosomy?
A. neutrons
B. genes
C. ribosomes
D. chromosomes
Answer: | D | sciq |
A, t, g, and c pairs are associated with what substance that is important in genetics?
A. plasma
B. bacteria
C. blood
D. dna
Answer: | D | sciq |
What female flower structure, which is part of the pistil, receives the pollen grains and passes them to the ovary?
A. ovary
B. sepal
C. stigma
D. style
Answer: | C | sciq |
What is used by sensitive systems to detect even low levels of radiation?
A. electrons
B. crystals
C. radars
D. ions
Answer: | B | sciq |
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