prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Whose laws of motion are the foundation of dynamics?
A. bell
B. aristotle
C. einstein
D. newton
Answer: | D | sciq |
Mutualism is a symbiotic relationship in which both species do what?
A. reproduce
B. suffer
C. die
D. benefit
Answer: | D | sciq |
What do you call a substance that cannot be broken down to other substances by chemical reactions.?
A. an element
B. a molecule
C. a participate
D. a compound
Answer: | A | sciq |
What weather term describes what the temperature feels like when the wind is taken into account?
A. humidity
B. freezing point
C. windchill
D. windshield
Answer: | C | sciq |
What device uses electromagnetic induction to change the voltage of electric current?
A. electric conductor
B. electric combustion
C. convection device
D. electric transformer
Answer: | D | sciq |
What layer of soil usually does not have very small particles like clay?
A. topsoil
B. silt
C. sediment
D. undersoil
Answer: | A | sciq |
Which type of glaciers form in high mountains and travel through valleys?
A. rocky glaciers
B. altitude glaciers
C. seaside glaciers
D. alpine glaciers
Answer: | D | sciq |
What two types of junctions do animal cells have?
A. gap and solid
B. loose and tight
C. standard and specialized
D. tight and gap
Answer: | D | sciq |
Where does digestion take place within an incomplete digestive system?
A. gastrovascular cavity
B. lumbar region
C. abdomen
D. central nervous system
Answer: | A | sciq |
Natural selection cannot create new variations in organisms - these new variations must be created by what, which are usually associated with some sort of abnormality?
A. infection
B. radiation
C. pollution
D. mutation
Answer: | D | sciq |
Gene expression is regulated primarily at the what level?
A. binding
B. translational
C. manufacturing
D. transcriptional
Answer: | D | sciq |
What nullified the idea that all biological catalysts are proteins?
A. amino acid theory
B. discovery of ribozymes
C. discovery of metabolites
D. discovery of enzymes
Answer: | B | sciq |
A tadpole turns into what land mammal?
A. a morph
B. a pod
C. A tortoise.
D. a frog
Answer: | D | sciq |
In physics, what do you call devices that make work easier?
A. tools
B. circuits
C. levers
D. machines
Answer: | D | sciq |
Mars appears red because of large amounts of which element in the soil?
A. mercury
B. carbon
C. coal
D. iron
Answer: | D | sciq |
What type of rocks are laid down horizontally with the oldest at the bottom?
A. crystalline
B. sedimentary
C. metamorphic
D. igneous
Answer: | B | sciq |
What are two types of frozen percipitation?
A. icycles and icebergs
B. snow and hail
C. ice and frost
D. rain and hail
Answer: | B | sciq |
The bond between the two nitrogen atoms is a what?
A. triple bond
B. single bond
C. quadruple bond
D. double bond
Answer: | A | sciq |
What are the two most common silicates?
A. Analcime and Feldspar
B. Petalite and Quartz
C. Petalite and Analcime
D. feldspar and quartz
Answer: | D | sciq |
Starch is a large, complex carbohydrate made of thousands of _____ joined together?
A. glucose orders ( monomers )
B. glucose divisions ( monomers )
C. glucose units (monomers)
D. glucose partitions ( monomers )
Answer: | C | sciq |
Newly duplicated chromosomes are divided into two daughter nuclei during what stage?
A. symphysis
B. mitosis
C. meiosis
D. prophase
Answer: | B | sciq |
As an erythrocyte matures in the red bone marrow, it extrudes its nucleus and most of its other what?
A. moisture
B. energy
C. organelles
D. electrons
Answer: | C | sciq |
What is the tube-like device used to reliably measure lower levels of radiation?
A. weber counter
B. MRI machine
C. Richter scale
D. geiger counter
Answer: | D | sciq |
The conducting zone of the respiratory system includes the organs and structures not directly involved in what?
A. gold exchange
B. helium exchange
C. gas exchange
D. copper exchange
Answer: | C | sciq |
Aflatoxins are toxic, carcinogenic compounds released by fungi of this?
A. arthropod class
B. genus aspergillus
C. protist group
D. genus sporozoa
Answer: | B | sciq |
Four haploid spermatids form during meiosis from what?
A. the primary spermatocyte
B. the sister chromatic
C. the ova
D. the zygote
Answer: | A | sciq |
Like people with type 1 diabetes, people with type 2 diabetes must frequently check what level?
A. blood sugar
B. heartbeat
C. pulse
D. glucose
Answer: | A | sciq |
Many species in rhizaria are among the organisms referred to as what?
A. protozoa
B. prokaryotes
C. fungi
D. amoebas
Answer: | D | sciq |
What is the amount actually produced in a reaction called?
A. maximum yield
B. individual yield
C. minimum yield
D. actual yield
Answer: | D | sciq |
Each group of organisms went through its own evolutionary journey, called what?
A. anomalous
B. superfamily
C. zoology
D. phylogeny
Answer: | D | sciq |
What term refers to the emission of material or energy from an atom's nucleus?
A. radioactivity
B. smog
C. stasis
D. microscopic
Answer: | A | sciq |
Which feature in maps allows users to make corrections between magnetic north and true north?
A. inset
B. scale
C. double compass rose
D. key
Answer: | C | sciq |
What is the term for the maintenance of a steady state despite internal and external changes?
A. consciousness
B. equilibrium
C. homeostasis
D. hypothesis
Answer: | C | sciq |
Any structure inside a cell that is enclosed by a membrane is called?
A. an enclave
B. a particle
C. an organelle
D. an article
Answer: | C | sciq |
The earliest vertebrates were jawless what?
A. mammals
B. fish
C. reptiles
D. dinosaurs
Answer: | B | sciq |
In which kind of water can less carbon dioxide dissolve?
A. cool water
B. warm water
C. tap water
D. salt water
Answer: | B | sciq |
The cochlea is a shell-like structure that is full of fluid and lined with nerve cells called what?
A. sperm cells
B. hair cells
C. red cells
D. brain cells
Answer: | B | sciq |
What is an electrically neutral compound with positive and negative ions?
A. correlated compound
B. neutralized molecule
C. ionic compound
D. isotope
Answer: | C | sciq |
Which direction does the sun, moon, and stars appear to travel?
A. east to west
B. south to north
C. north to south
D. west to east
Answer: | A | sciq |
Sulfate is used as a cleaning agent because it is acidic and soluble in what substance?
A. oxygen
B. salt
C. air
D. water
Answer: | D | sciq |
Triceps and biceps muscles in the upper arm are an example of what type of muscle relationship?
A. symbiotic
B. synchronized
C. opposing
D. competitive
Answer: | C | sciq |
Internal metabolism and the external environment are the sources of heat for what?
A. bioaccumulation
B. hemeostasis
C. thermoregulation
D. optimization
Answer: | C | sciq |
What is another term for stored energy?
A. inertia
B. latency
C. mechanical energy
D. potential energy
Answer: | D | sciq |
What occur when elements switch places in compounds?
A. chain reaction
B. replacement reactions
C. chemical interaction
D. chemical reaction
Answer: | B | sciq |
What does the human heart do?
A. pump blood
B. make blood
C. destroy blood
D. use blood
Answer: | A | sciq |
What bond is the force of attraction that holds together positive and negative ions?
A. magnetic
B. ionic
C. Electric
D. Protonic
Answer: | B | sciq |
There are five primary tastes in humans: sweet, sour, bitter, salty, and what?
A. aroma
B. hot
C. tangy
D. umami
Answer: | D | sciq |
Are birds and mammals mainly exothermic or endothermic?
A. endothermic
B. autotrophic
C. hypothermic
D. exothermic
Answer: | A | sciq |
What are the high points in a transverse wave called?
A. waves
B. peaks
C. crests
D. apex
Answer: | C | sciq |
Chemistry and physics are fields in what type of science?
A. physical
B. Botany
C. Biology
D. Meteorology
Answer: | A | sciq |
Pyramids of net production and biomass reflect what level of efficiency?
A. medium
B. low
C. high
D. extreme
Answer: | B | sciq |
The rate of flow of charge in an electrical circuit is known as what?
A. current
B. voltage
C. output
D. velocity
Answer: | A | sciq |
The vertebrate endoskeleton can also be called what?
A. deep skeleton
B. exoskeleton
C. structural skeleton
D. internal skeleton
Answer: | D | sciq |
What can be used to speed up biochemical reactions?
A. enzymes
B. hormones
C. proteins
D. carbohydrates
Answer: | A | sciq |
The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming?
A. iron oxide
B. liquid dioxide
C. argon
D. carbon dioxide
Answer: | D | sciq |
Most cases of syphilis can be cured with what?
A. antibiotics
B. enzymes
C. vitamins
D. abstinence
Answer: | A | sciq |
How can people access water in an aquifer that does not flow from a spring or a geyser?
A. mound building
B. generate electricity
C. dig a well
D. evaporation
Answer: | C | sciq |
What is the term for animals that have a backbone?
A. vertebrates
B. invertebrates
C. herbivores
D. carnivores
Answer: | A | sciq |
What type of animal that eats only or mainly insects?
A. anaerobic
B. heterotrophic
C. herbivores
D. invertebrates
Answer: | B | sciq |
What do you call the zone in a body of water where there is too little sunlight for photosynthesis?
A. aphotic zone
B. semimetal zone
C. Dark Zone
D. observable zone
Answer: | A | sciq |
The sweat glands of the armpit are classified as these?
A. adrenal glands
B. mucus glands
C. pineal glands
D. apocrine glands
Answer: | D | sciq |
Chitin is a substance that is found in what part of animals like beetles and lobsters?
A. shell
B. eggs
C. brains
D. tails
Answer: | A | sciq |
What kind of air does a continental polar air mass hold?
A. warm dry air
B. frigid wet air
C. cold dry air
D. cool moist air
Answer: | C | sciq |
What do you call taxes placed on products that produce carbon dioxide?
A. emission tax
B. pollution tax
C. chemical tax
D. carbon taxes
Answer: | D | sciq |
What does the coefficient in front of an element in a formula indicate?
A. number of atoms
B. time of the reaction
C. how much is involved in the reaction
D. place on the Periodic Table
Answer: | C | sciq |
Behaviors that occur naturally and are not learned are called what?
A. adaptive
B. intuitive
C. innate
D. acquired
Answer: | C | sciq |
Which is the dominant stage of the lifecycle of a fern?
A. larvae
B. gametophyte
C. sporophyte
D. zygote
Answer: | C | sciq |
What is a specific region in space within which a sensory receptor is responsive to stimuli?
A. deceptive field
B. receptive field
C. symmetrical field
D. amplify field
Answer: | B | sciq |
What changes from heat or pressure during metamorphism?
A. minerals
B. carbohydrates
C. grains
D. fossils
Answer: | A | sciq |
Do most substances increase or decrease in size when they change from a liquid to a solid?
A. it is unable to be measured
B. increase
C. decrease
D. stay the same
Answer: | C | sciq |
The highest point of a wave is called?
A. surge
B. frequency
C. threshold
D. crest
Answer: | D | sciq |
What is the smallest part of an element called?
A. core
B. neutron
C. nucleus
D. atom
Answer: | D | sciq |
Dermal tissue covers the outside of a plant in a single layer of cells called what?
A. scales
B. the epidermis
C. cambium layer
D. cuticle
Answer: | B | sciq |
After fluid collects in nephron tubules in the kidney, where does it move to?
A. the spleen
B. the prostate
C. the uterus
D. the bladder
Answer: | D | sciq |
What are external skeletons known as?
A. tentacles
B. scales
C. exoskins
D. exoskeletons
Answer: | D | sciq |
What is the name for the process where data in the genes is transferred to amino acids?
A. transpiration
B. translation
C. mutation
D. generation
Answer: | B | sciq |
What play an important role in the modulation of the nuclear chain reaction?
A. control rods
B. control neutrons
C. particle rods
D. radiation rods
Answer: | A | sciq |
What preventative measure is often delivered by injection into the arm?
A. infection
B. anesthesia
C. vaccine
D. medication
Answer: | C | sciq |
From observations as simple as blowing up a balloon, it is clear that increasing the amount of gas increases what else?
A. the volume
B. area
C. the shift
D. every volume
Answer: | A | sciq |
What is the scientific term for the amount of light reflected by a surface?
A. reactivity
B. inversion
C. albedo
D. prism
Answer: | C | sciq |
What part of the muscle fibers cause shortening and contraction?
A. pores
B. fasciae
C. collagen
D. myofibrils
Answer: | D | sciq |
How many electrons are in the hydrogen atom?
A. two
B. three
C. five
D. one
Answer: | D | sciq |
If a solution contains so much solute that its solubility limit is reached, the solution is said to be what?
A. saturated
B. Over done
C. carbohydrates
D. temperatures
Answer: | A | sciq |
What term describes waves that transfer energy through matter?
A. mechanical waves
B. energy currents
C. mechanical currents
D. temperature waves
Answer: | A | sciq |
What is the name of the mechanism in which sounds are encoded in microwaves by changing their frequency?
A. molecular modulation
B. mechanical modulation
C. frequency modulation
D. shape modulation
Answer: | C | sciq |
Grasses such as wheat, rice, and corn are examples of fibrous root systems. fibrous root systems are found in monocots; tap root systems are found in these?
A. mosses
B. monocots
C. dicots
D. gymnosperms
Answer: | C | sciq |
Humans have about 20,000 to 22,000 genes scattered among 23 of these?
A. neutrons
B. ribosomes
C. chromosomes
D. atoms
Answer: | C | sciq |
What is the term for the use of radioactive decay to estimate the ages of fossils and rock?
A. radioactive illustrating
B. microwave theory
C. radioactive dating
D. isotope test
Answer: | C | sciq |
On which ridge does iceland sit?
A. Pacific rim
B. Arctic circle
C. Antarctic ridge
D. mid-atlantic ridge
Answer: | D | sciq |
How are the major families of organic compounds characterized?
A. their functional groups
B. Their optic groups
C. their visual groups
D. their thermal groups
Answer: | A | sciq |
What do chemotrophs extract energy from?
A. fatty compounds
B. liquid compounds
C. carbon compounds
D. chemical compounds
Answer: | D | sciq |
Involved in balance, the semicircular canals are parts of what organs?
A. ears
B. eyes
C. lungs
D. ovaries
Answer: | A | sciq |
Injuries can be prevented by getting proper what?
A. water and clothing
B. exercise and training
C. rest and recovery
D. drugs and food
Answer: | C | sciq |
Some leaves are attached to the plant stem by a petiole. leaves that do not have a petiole and are directly attached to the plant stem are called this?
A. globular leaves
B. sheath leaves
C. sessile leaves
D. transverse leaves
Answer: | C | sciq |
What is water vapor density known as?
A. humidity
B. density
C. thickness
D. ambiance
Answer: | A | sciq |
What is the name for the transfer of thermal energy between particles of matter that are touching?
A. induction
B. convection
C. conduction
D. activation
Answer: | C | sciq |
The mean free path for a gaseous molecule will be hundreds of times the what of the molecule?
A. variation
B. diameter
C. density
D. weight
Answer: | B | sciq |
What is the most common fossil fuel?
A. methane
B. uranium
C. coal
D. diesel oil
Answer: | C | sciq |
The weather conditions in an area over time is also called a what?
A. habitat
B. climate
C. biome
D. landscape
Answer: | B | sciq |
Chemical symbols are useful to concisely represent the elements present in a substance. the letters usually come from the name of what?
A. discoverer
B. scientist
C. element
D. month
Answer: | C | sciq |
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