prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What kind of charge do electrons have?
A. negative
B. unusual
C. positive
D. effective
Answer: | A | sciq |
What are lipids that contain phosphorus called?
A. amino acids
B. phospholipids
C. alkaloids
D. eukaryotes
Answer: | B | sciq |
How many chambers does the stomach of a ruminant have?
A. 5
B. 1
C. 3
D. 4
Answer: | D | sciq |
What states that chemical reactions occur when atoms, ions, or molecules collide?
A. collision theory
B. reaction theory
C. elemental theory
D. disturbance theory
Answer: | A | sciq |
Biological macromolecules are organic, which means that they must contain what?
A. aluminum
B. carbon
C. hydrogen
D. oxygen
Answer: | B | sciq |
What do you call the membrane lining the back of the eye?
A. aperture
B. retina
C. cornea
D. stimulation
Answer: | B | sciq |
Lacking blood vessels, nerve endings, or glands, the epidermis is the outer layer of what?
A. skin
B. brain
C. lungs
D. liver
Answer: | A | sciq |
The deepest region of the adrenal cortex is the zona reticularis, which produces small amounts of a class of steroid sex hormones called what?
A. testosterone
B. estrogen
C. dioxins
D. androgens
Answer: | D | sciq |
All living things maintain a stable internal environment through what process?
A. alertness
B. homeostasis
C. maintenance
D. consciousness
Answer: | B | sciq |
Tropical rainforests are an example of a climate that occurs near what?
A. poles
B. tundras
C. equator
D. deserts
Answer: | C | sciq |
What changes the chemical composition of a substance and can only occur through a chemical reaction?
A. carbon changes
B. mineral changes
C. chemical changes
D. Oxygen Changes
Answer: | C | sciq |
What term is used to describe the way that animals interact with each other or their environment?
A. animal behavior
B. animal decline
C. animal range
D. animal magnetism
Answer: | A | sciq |
What kind of bees are most adult bees in a hive?
A. drones
B. worker bees
C. larvae
D. queens
Answer: | B | sciq |
In most animals, the circulatory system is used to transport blood through the what?
A. stratum corneum
B. nerves
C. body
D. fur
Answer: | C | sciq |
In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes?
A. genome
B. molecule
C. phenotype
D. chromosome
Answer: | D | sciq |
At transform plate boundaries, two plates move in which directions?
A. same
B. parallel
C. opposite
D. north and south
Answer: | C | sciq |
The voltages generated at a power plant are stepped up by what passive devices, which then reduce voltage to a safe level at the point of use?
A. transistors
B. capacitors
C. batteries
D. transformers
Answer: | D | sciq |
What is the term for the dark brown or black coating found on exposed desert rocks, which is formed of iron and manganese oxides?
A. desert varnish
B. desert shadow
C. desert rust
D. desert patina
Answer: | A | sciq |
What two ways may catalyst be classified?
A. homogeneous or heterogeneous
B. oxygenated or heterogenous
C. fast or slow
D. reactive or nonreactive
Answer: | A | sciq |
What phylum has the highest number of species on earth?
A. lophotrochozoa
B. lichens
C. cephalopods
D. arthropods
Answer: | D | sciq |
The speed of a wave is a product of its wavelength and what else?
A. voltage
B. magnitude
C. density
D. frequency
Answer: | D | sciq |
What type of gas are stars made up of?
A. calcium
B. water vapor
C. freon
D. hydrogen
Answer: | D | sciq |
What are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules?
A. carbons
B. cells
C. proteins
D. acids
Answer: | C | sciq |
A geiger counter is used for detecting what?
A. radiation
B. convection
C. pressure
D. mutation
Answer: | A | sciq |
All species have evolved a pattern of living, called a life history strategy, in which they partition energy for growth, maintenance, and what?
A. reproduction
B. variation
C. abundance
D. deatn
Answer: | A | sciq |
What are the most diverse plants on earth?
A. angiosperms
B. gymnosperms
C. conifers
D. grasses
Answer: | A | sciq |
What is the second line of defense?
A. fight or flight
B. immune response
C. rejection of foreign bodies
D. inflammatory response
Answer: | D | sciq |
What is the term for when organisms need other organisms to survive?
A. interdependence
B. intradependence
C. coexistence
D. realization
Answer: | A | sciq |
What is an organic compound that is made up of only carbon and hydrogen?
A. a component
B. a catalyst
C. an acid
D. a hydrocarbon
Answer: | D | sciq |
Bile salts produced by the liver assist in breaking apart what kind of fats?
A. Sugar
B. dietary
C. soluble
D. carbohydrates
Answer: | B | sciq |
Where does most of the sound we hear travel through?
A. light
B. water
C. the ground
D. air
Answer: | D | sciq |
A reptile's what doesn't generate enough energy to keep their body temperature stable?
A. skin
B. tissue
C. metabolism
D. respiration
Answer: | C | sciq |
Bar, circle, and line are examples of what kind of data visualization?
A. spreadsheets
B. graphs
C. formulas
D. maps
Answer: | B | sciq |
What is the first phase of mitosis?
A. prophase
B. meiosis
C. metaphase
D. telophase
Answer: | A | sciq |
What term means an area where two closely related species continue to interact and reproduce?
A. homozone
B. common zone
C. heterozone
D. hybrid zone
Answer: | D | sciq |
Fungi may have both asexual and sexual stages of what?
A. absorption
B. reproduction
C. photosynthesis
D. development
Answer: | B | sciq |
Geysers erupt because what boiling hot substance is trapped beneath their surface?
A. gas
B. lava
C. oil
D. water
Answer: | D | sciq |
About one-third of the human cerebral cortex is dedicated to analyzing and perceiving information related to what sense?
A. hearing
B. vision
C. touch
D. taste
Answer: | B | sciq |
Fungus-like protists are what kind of feeders?
A. absorptive
B. refractive
C. demonstrative
D. reverse
Answer: | A | sciq |
What is the process in which many new species evolve in a short period of time to fill available niches called?
A. spontaneous mutation
B. learned behavior
C. adaptive radiation
D. adaptation
Answer: | C | sciq |
After fertilization, how many cells does a zygote form into?
A. three
B. one
C. six
D. two
Answer: | D | sciq |
Which common oxidizing agent can be used to oxidize alcohols?
A. hydrogen chloride
B. potassium chloride
C. hydrogen dichromate
D. potassium dichromate
Answer: | D | sciq |
What are gemstones known as when light cannot pass through them?
A. protective
B. inorganic
C. blocking
D. opaque
Answer: | D | sciq |
In biology, a relationship that benefits both entities is known as what?
A. naturalism
B. predatory
C. altruism
D. mutualism
Answer: | D | sciq |
Some animals prepare for the long winters by storing food and going dormant, a behavior called what?
A. pollination
B. gestation
C. resting
D. hibernation
Answer: | D | sciq |
Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?
A. hormones
B. neurons
C. carbohydrates
D. enzymes
Answer: | D | sciq |
What is the attachment of ducklings to their mother an example of?
A. magnetism
B. imprinting
C. validating
D. impressionism
Answer: | B | sciq |
All chordates are deuterostomes possessing a what?
A. hydrochord
B. notochord
C. endoderm
D. zygote
Answer: | B | sciq |
In vascular plants, the sporophyte generation is what?
A. fast
B. submissive
C. evident
D. dominant
Answer: | D | sciq |
The combined gradient that affects an ion includes its concentration gradient and its what?
A. electrical gradient
B. radiation gradient
C. electron bond
D. cell membrane
Answer: | A | sciq |
What is the first cell of a new organism?
A. seed
B. zygote
C. nucleus
D. egg
Answer: | B | sciq |
What part of the cell in plants and algae does photosynthesis take place?
A. mitochondria
B. organelles
C. cell wall
D. fibers
Answer: | B | sciq |
Exemplified by canada and alaska, what kind of climate has cool, short summers and long, cold winters, little precipitation, and abundant conifers?
A. droughts climate
B. subarctic climate
C. temperate climate
D. tropical climate
Answer: | B | sciq |
What are the only organelles that prokaryotic cells have?
A. chloroplasts
B. ribosomes
C. fibroblasts
D. nuclei
Answer: | B | sciq |
What is the name of the cloud where most long-period comets come from?
A. stellar cloud
B. volt cloud
C. bulge cloud
D. oort cloud
Answer: | D | sciq |
Different feeding "positions" in a food chain or web are associated with what kinds of levels?
A. trophic
B. heptic
C. benthic
D. autotrophic
Answer: | A | sciq |
Ionic compound atoms of various elements gain or lose electrons to?
A. flatten ions
B. become ions
C. expel ions
D. produce ions
Answer: | D | sciq |
Sedimentary rocks form in what kind of layers?
A. vertical
B. magnetic
C. horizontal
D. stacked
Answer: | C | sciq |
Plants obtain the molecules for cellular function though what?
A. Plants
B. tissues
C. nutrients
D. photosynthesis
Answer: | D | sciq |
The group of plants that can make their own food from inorganic raw materials in the presence of sunlight are referred to as what?
A. autotrophic
B. autosynonomys
C. heterotrophic
D. symbiotic
Answer: | A | sciq |
What type of disorders are caused by mutations in genes or abnormal numbers of chromosomes?
A. emotional disorders
B. immune system disorders
C. thyroid disorders
D. genetic disorders
Answer: | D | sciq |
What is the measure of sound intensity levels?
A. moles
B. octaves
C. decibels
D. centimeters
Answer: | C | sciq |
What is the temperature at which a substance freezes known as?
A. zero point
B. freezing point
C. drop point
D. absolute zero
Answer: | B | sciq |
Blood from what organs enters the left atrium of the heart?
A. lungs
B. Lymph nodes
C. intestines
D. Brain
Answer: | A | sciq |
The farther an area is from the equator, what happens to the temperature?
A. it stabilizes
B. it increases
C. it fluctuates
D. it gets lower
Answer: | D | sciq |
What sort of issues can be determined by looking for certain particles in amniotic fluid?
A. impossible disorders
B. genetic disorders
C. artificial disorders
D. organic disorders
Answer: | B | sciq |
The lunar landscape is covered by craters caused by what?
A. earth impacts
B. asteroid impacts
C. water
D. volcanoes
Answer: | B | sciq |
What is the name for the line dividing the earth's hemispheres?
A. latitude
B. plate
C. equator
D. longitude
Answer: | C | sciq |
Dependent on the frequency of sound waves, what term described how high or low a sound seems to a listener?
A. direction
B. pitch
C. wavelength
D. curve
Answer: | B | sciq |
Solar cells convert the energy in sunlight to what type of energy?
A. radical energy
B. stellar energy
C. electrical energy
D. active energy
Answer: | C | sciq |
What occurs when a parent cell splits into two identical daughter cells of the same size?
A. binary fission
B. linear fission
C. symbiotic fission
D. twin fission
Answer: | A | sciq |
A group of individuals that consists of genetically related individuals that can breed to produce fertile young is known as what?
A. species
B. colonies
C. community
D. population
Answer: | A | sciq |
What is the most dangerous type of radiation?
A. gamma rays
B. plasma rays
C. beta rays
D. sunlight rays
Answer: | A | sciq |
What is the result when two monosaccharides are bound together?
A. hydrolysis
B. polyketide
C. Peroxide
D. disaccharide
Answer: | D | sciq |
What are the two major atmospheric gases?
A. nitrogen and hydrogen
B. nitrogen and oxygen
C. carbon and helium
D. hydrogen and oxygen
Answer: | B | sciq |
What do you call the strands of dna wrapped around proteins, which are located inside the nucleus?
A. receptors
B. ribosomes
C. fibrils
D. chromosomes
Answer: | D | sciq |
Land could not be colonized by other organisms until what became established?
A. carbon dioxide
B. gases
C. oxygen
D. plants
Answer: | D | sciq |
What are bacteria that stain purple are called?
A. gram-negative bacteria
B. gram-neutral bacteria
C. gram-positive bacteria
D. complex bacteria
Answer: | C | sciq |
When the bud is fully developed, it breaks away from the parent cell and forms a new what?
A. organism
B. leaf
C. flower
D. stem
Answer: | A | sciq |
Arrows and cannon balls are examples of objects with what kind of motion?
A. projectile
B. accelerating
C. velocity
D. fluid
Answer: | A | sciq |
What is the sugar that the cells of living things use for energy?
A. glucose
B. chlorophyll
C. sucrose
D. insulin
Answer: | A | sciq |
What is the most important muscle involved in the process of breathing?
A. trachea
B. mouth
C. diaphragm
D. chest
Answer: | C | sciq |
What is the basic characteristic of monoprotic bases?
A. accepts no neutrons
B. accepts no protons
C. accepts one proton
D. accepts one neutron
Answer: | C | sciq |
What do we call a device used to store electric charge?
A. charger
B. capacitor
C. amplifier
D. battery
Answer: | B | sciq |
Has this ever happened to you? you walk across a carpet, reach out to touch a metal doorknob, and get an unpleasant electric shock? .the reason you get a shock is because of what?
A. solar charge
B. temperature charge
C. sunlight charge
D. electrical charge
Answer: | D | sciq |
What planet is closest to our sun?
A. Earth
B. Venus
C. Pluto
D. mercury
Answer: | D | sciq |
The ordovician-silurian extinction event is the first recorded mass extinction and the second largest. during this period, about what percent of marine species went extinct?
A. 10 percent
B. 99 percent
C. 40 percent
D. 85 percent
Answer: | D | sciq |
A small molecule that binds to a larger molecule is known as a?
A. oxide
B. enzyme
C. ligand
D. lipid
Answer: | C | sciq |
What process that begins in utero during fetal development and continues on into adolescence involves closing of the skull?
A. calcification
B. elongation
C. incubation
D. ossification
Answer: | D | sciq |
What traits are those that are inherited unchanged in a hybridization?
A. mutations
B. dominant traits
C. alleles
D. recessive traits
Answer: | B | sciq |
What is required to break down and build up molecules and to transport molecules across plasma membranes?
A. energy
B. electricity
C. calcium
D. salt
Answer: | A | sciq |
The three main rock types are igneous, metamorphic, and what?
A. crystalline
B. silicate
C. sedimentary
D. basalt
Answer: | C | sciq |
What body part does encephalitis attack?
A. liver
B. brain
C. heart
D. lungs
Answer: | B | sciq |
What type of reproduction takes place when an animal simply divides into two parts?
A. budding
B. sexual reproduction
C. fission
D. fusion
Answer: | C | sciq |
Winds moving air masses causes what?
A. earthquake
B. tsunami
C. tremors
D. weather
Answer: | D | sciq |
How many orders of magnitudes bigger is the electric force?
A. 33
B. 36
C. 45
D. 39
Answer: | D | sciq |
What is the term for any way that an animal interacts with other animals or the environment?
A. animal biology
B. animal behavior
C. animal way
D. immunity
Answer: | B | sciq |
A mushroom is only a specialised reproductive part of the whole fungus. the main part of the fungi is underground in a whole web of hyphae, called this?
A. hypothalamus
B. mycelium
C. detritus
D. bacterium
Answer: | B | sciq |
Most oxygen in blood is bound to a protein called what, and carried to the tissues?
A. hydrogen
B. plasma
C. platelete
D. hemoglobin
Answer: | D | sciq |
What do we call the only light that people can see?
A. wave light
B. natural light
C. spectral light
D. visible light
Answer: | D | sciq |
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