prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What happens to the volume of a balloon when you add moles of gas to it by blowing up?
A. increases
B. stays the same
C. changes randomly
D. decreases
Answer: | A | sciq |
The addition of starting materials and the removal of end products prevent metabolism from reaching what state?
A. equilibrium
B. constant
C. inequality
D. imbalance
Answer: | A | sciq |
In what year was the hardy-weinberg theorem formulated?
A. 1901
B. 1928
C. 1938
D. 1908
Answer: | D | sciq |
The regulation of gene expression is extremely important during the development of what?
A. protein
B. cells
C. organism
D. tissues
Answer: | C | sciq |
What does a virus inject into the host cell?
A. Acetic acid
B. nucleic acid
C. cells acid
D. proteins acid
Answer: | B | sciq |
Mutations in regulatory genes that normally control the cell cycle cause what?
A. illness
B. tumors
C. anxiety
D. cancer
Answer: | D | sciq |
Blood is made up of red blood cells, white blood cells, platelets, and what else?
A. plasma
B. pathogens
C. hemoglobin
D. potassium
Answer: | A | sciq |
What is the term for the study of how living things interact with each other and with their environment?
A. radiology
B. biology
C. ecology
D. anthropology
Answer: | C | sciq |
What takes place directly after developing a hypothesis in the scientific method process?
A. testing the hypothesis
B. making a conclusion
C. gathering materials
D. independent variables
Answer: | A | sciq |
What should you use to protect your eyes from chemicals?
A. contacts
B. eye goggles
C. your hands
D. certain goggles
Answer: | B | sciq |
Because action potentials are so brief, a neuron can produce hundreds per what?
A. lifetime
B. minute
C. day
D. second
Answer: | D | sciq |
Darwin coined what term to refer to an organism’s relative ability to survive and produce fertile offspring?
A. strength
B. fitness
C. metabolism
D. momentum
Answer: | B | sciq |
At high pressures, how are the molecules of a gas crowded?
A. few together
B. small together
C. further apart
D. closer together
Answer: | D | sciq |
The number of possible isomers increases tremendously as carbon skeletons increase in what?
A. weight
B. size
C. mass
D. variation
Answer: | B | sciq |
What are vascular plants that produce seeds in cones called?
A. deciduous
B. gymnosperms
C. evergreen
D. angiosperms
Answer: | B | sciq |
What does photosynthesis change light energy into?
A. radiation energy
B. carbon energy
C. chemical energy
D. electrical energy
Answer: | C | sciq |
Addiction affects what type of chemical receptors within the brain?
A. mitochondria receptors
B. serotonin receptors
C. bind receptors
D. dopamine receptors
Answer: | D | sciq |
What is the ability of an atom to emit, or give off, charged particles and energy from the nucleus?
A. electromagnetism
B. radioactivity
C. electrolysis
D. magnetism
Answer: | B | sciq |
What group of gases are unusually unreactive?
A. greenhouse gases
B. volcanic gases
C. halogens
D. noble gases
Answer: | D | sciq |
A point defect can be an atom missing from a site in the crystal known as a what?
A. vacancy
B. void
C. deficiency
D. vacuum
Answer: | A | sciq |
What is the place called where the axon of one neuron meets the dendrite of another?
A. uptake
B. apoptosis
C. synapse
D. neurotransmitter
Answer: | C | sciq |
Organic chemistry is the study of the chemistry of what?
A. metals
B. oxidation
C. hydrogen
D. carbon compounds
Answer: | D | sciq |
Gastropods, cephalopods, and bivalves are examples of what class?
A. cetaceans
B. mollusks
C. invertebrates
D. animals
Answer: | B | sciq |
What type of cholesterol is commonly referred to as bad?
A. unsaturated
B. ldl
C. hdl
D. insulin
Answer: | B | sciq |
Where does most natural gas come from?
A. wells that produce petroleum
B. oceans
C. alchemy
D. recycled cooking oil
Answer: | A | sciq |
Medical problems associated with the body responding poorly to insulin are commonly associated with what disease?
A. pertussis
B. colitis
C. diabetes
D. AIDS
Answer: | C | sciq |
The pancreatic hormones insulin and glucagon maintain glucose homeostasis by tightly regulating the synthesis and breakdown of what?
A. lipids
B. glycogen
C. pathway
D. enzyme
Answer: | B | sciq |
The marsupial embryo is nourished inside the uterus with food from a yolk sac instead of through a what?
A. placenta
B. umbilical cord
C. ovum
D. stomach
Answer: | A | sciq |
The substances that comprise heterogeneous mixtures can also be separated by what means?
A. atmospheric
B. thermal
C. chemical
D. physical
Answer: | D | sciq |
What type of organism has spores that are spread by water and wind?
A. fungi
B. Trees
C. yeast
D. Plants
Answer: | A | sciq |
Through which organ do hookworm larvae enter the human body?
A. through the lungs
B. through the rectum
C. through the skin
D. through the mouth
Answer: | C | sciq |
Inside a cylinder, thermal energy is converted to what type of energy of the moving piston?
A. electrochemical energy
B. residual energy
C. horsepower
D. kinetic energy
Answer: | D | sciq |
To the extent that behaviors are controlled by what, they may evolve through natural selection?
A. genes
B. rna
C. mutation
D. dna
Answer: | A | sciq |
What kind of muscle relationship generally produces back-and-forth movement of a body part?
A. synchronized muscles
B. cooperative muscles
C. antagonistic muscles
D. complementary muscles
Answer: | C | sciq |
Science is a process of knowing about the natural universe through what two actions?
A. observation and experimentation
B. guessing and observing
C. thinking and guessing
D. changes and experimentation
Answer: | A | sciq |
Through a process called electromagnetic induction, generators change what energy form of a spinning turbine to electrical energy?
A. kinetic
B. electric
C. potential
D. seismic
Answer: | A | sciq |
Footprints, burrows, and waste are considered what type of fossils?
A. trace fossils
B. crater fossils
C. morphology fossils
D. movement fossils
Answer: | A | sciq |
What process of allows multicellular organisms to grow and repair themselves?
A. atom split
B. cell division
C. DNA division
D. proteins division
Answer: | B | sciq |
What is the process of a confined gas escaping through a tiny hole in its container called?
A. effusion
B. effluent
C. dissipation
D. dilution
Answer: | A | sciq |
What is a relationship between living things that depend on the same resources?
A. parasitic
B. contention
C. competition
D. symbiotic
Answer: | C | sciq |
What is the measure of an individual’s weight-to-height ratio called?
A. body density index (bdi)
B. body matter index (bmi)
C. density index (di)
D. body mass index (bmi)
Answer: | D | sciq |
When you are walking on a sidewalk, what occurs between your shoes and the concrete each time you put down your foot?
A. static friction
B. progress
C. grip
D. movement
Answer: | A | sciq |
According to the english system measurement, how much is equal to 2 pints, 1 quart, and ¼ of a gallon?
A. 2 cups
B. 1 cup
C. 4 cups
D. 3 cups
Answer: | C | sciq |
Many important crops, such as corn, are planted and harvested as what?
A. trees
B. berries
C. cuttings
D. seeds
Answer: | D | sciq |
The turbine of a windmill spins and creates what?
A. electricity
B. grains
C. lightning
D. pollution
Answer: | A | sciq |
Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?
A. white blood cells
B. stem cells
C. neurons
D. red blood cells
Answer: | B | sciq |
Which law explains why a ship weighing thousands of metric tons floats on water?
A. water pressure law
B. archimedes' law
C. ganymede ' law
D. hofstadter ' law
Answer: | B | sciq |
The urinary system can be considered a smaller part of what other body system?
A. extraneous
B. sensory
C. excretory
D. circulatory
Answer: | C | sciq |
Essential minerals that the body needs in tiny quantities are called what?
A. flux minerals
B. trace minerals
C. draw minerals
D. byproduct minerals
Answer: | B | sciq |
The process by which leaves collect sunlight and make food is called this?
A. glycolysis
B. photosynthesis
C. pollination
D. budding
Answer: | B | sciq |
What are the three types of rna involved in protein synthesis?
A. messenger, transfer, and ribosomal
B. messenger, organic and transfer
C. organic , transfer , and ribosomal
D. messenger, transfer, and organic
Answer: | A | sciq |
What is the term for chordates with a vertebral column and endoskeleton of cartilage and bone?
A. vertebrate
B. insect
C. am
D. mammel
Answer: | A | sciq |
What does a keratometer measure in the cornea?
A. diameter
B. Width
C. curve
D. Lenght
Answer: | C | sciq |
What is it called when an egg develops into an individual without being fertilized?
A. parthenogenesis
B. metamorphosis
C. symbiosis
D. abiogenesis
Answer: | A | sciq |
Many adolescents experience frequent mood swings. name one of the causes for this.
A. surging hormones
B. growing hormones
C. maturing nervous system
D. psychological changes
Answer: | A | sciq |
Through what does the nerve impulses travel to the brain?
A. optic nerve
B. trochlear nerve
C. abducent nerve
D. oculomotor nerve
Answer: | A | sciq |
The difference in electric potential energy which allows for an electric charge to move from one position to another is measured by what si unit?
A. joule
B. meter
C. volt
D. ohm
Answer: | C | sciq |
The properties of the alkali metals are similar to each other as expected for elements in the same what?
A. farm
B. class
C. branch
D. family
Answer: | D | sciq |
Which division of the peripheral nervous system carries messages from sense organs and internal organs to the central nervous system?
A. neural division
B. sensory division
C. vascular division
D. extrasensory division
Answer: | B | sciq |
An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what?
A. oxygen
B. sulfur
C. nitrogen
D. hydrogen
Answer: | A | sciq |
Featuring a stalk-like filament that ends in an anther, what is the male reproductive organ in a flower?
A. petals
B. cones
C. stamen
D. angiosperms
Answer: | C | sciq |
What controls the movements of hands and arms?
A. voluntary nervous system
B. somatic nervous system
C. functional nervous system
D. autonomic nervous system
Answer: | B | sciq |
Refraction happens when light bends from doing what in a new medium?
A. changing color
B. changing brightness
C. changing speed
D. changing trajectory
Answer: | C | sciq |
What is the basic structure that holds plants upright, allowing plants to get the sunlight and air they need?
A. stamen
B. stem
C. root
D. twig
Answer: | B | sciq |
The waves on the strings of musical instruments are transverse—so are electromagnetic waves, such as visible light. sound waves in air and water are this?
A. horizontal
B. symmetrical
C. longitudinal
D. hydroelectric
Answer: | C | sciq |
What is the name of the elongated bony structure that anchors the anterior thoracic cage?
A. sternum
B. tibia
C. pelvis
D. collar bone
Answer: | A | sciq |
What is the most numerous species on the planet?
A. trees
B. humans
C. viruses
D. bacteria
Answer: | D | sciq |
What are the earth's two poles called?
A. southwest and south
B. north and south
C. west and south
D. east and west
Answer: | B | sciq |
Chloroplasts and chromoplasts are examples of which membrane bound organelle containing their own dna?
A. bacteria
B. chromosomes
C. polymers
D. plastids
Answer: | D | sciq |
Birds are the most numerous type of what vertebrates?
A. arachnipod
B. amphipod
C. ornithopod
D. tetrapod
Answer: | D | sciq |
Viruses were assumed to exist before they were first seen with an electron microscope in which decade?
A. 1960's
B. 1890's
C. 1930 ' s
D. 1940's
Answer: | C | sciq |
Matter is always conserved in what type of reaction?
A. Quick reaction
B. developed reaction
C. toxic reaction
D. chemical reaction
Answer: | D | sciq |
Most flowers carry both stamens and carpels; however, a few species are capable of what and are nicknamed "perfect" flowers?
A. cloning
B. germination
C. sexual reproduction
D. self-pollination
Answer: | D | sciq |
The entry of food into the esophagus marks the beginning of the esophageal phase of deglutition and the initiation of this?
A. propagation
B. digestion
C. relaxation
D. peristalsis
Answer: | D | sciq |
Where are the seeds in gymnosperms found?
A. in leaves
B. in roots
C. in cones
D. in folds
Answer: | C | sciq |
Oil is found in the porous rock layer and trapped by the what?
A. impermeable layer
B. mantle
C. crystalline layer
D. \
Answer: | A | sciq |
The number of valence electrons determines variation of what property in nonmetals?
A. density
B. permeability
C. turbidity
D. reactivity
Answer: | D | sciq |
Hydrogen and helium are specifically involved as reactants in what nuclear reaction that is useful for making energy?
A. nuclear fission
B. radioactive fusion
C. nuclear fusion
D. destructive fusion
Answer: | C | sciq |
What is the most widely used form of renewable energy in the world?
A. solar
B. wind
C. fossil fuel
D. hydropower
Answer: | D | sciq |
What energy is the energy of motion?
A. thermal
B. optimal
C. potential
D. kinetic
Answer: | D | sciq |
Where do stratus clouds occur in the troposphere?
A. low
B. mid to high region
C. high
D. mid-region
Answer: | A | sciq |
What kind of movement do planets in the solar system make around the sun?
A. elliptical orbits
B. spinning orbits
C. round orbits
D. optical orbits
Answer: | A | sciq |
Which process breaks down glucose to extract energy for cell metabolism?
A. meiosis
B. glycolysis
C. photosynthesis
D. mitosis
Answer: | B | sciq |
What does fluorine attract better than any other element?
A. electron shells
B. ionic bonds
C. shared electrons
D. magnets
Answer: | C | sciq |
What term is used to describe the muscular canal (approximately 10 cm long) that serves as the entrance to the reproductive tract?
A. urethra
B. cervix
C. uterus
D. vagina
Answer: | D | sciq |
What type of energy travels through space as electrical and magnetic waves?
A. electromagnetic energy
B. solar energy
C. sound energy
D. mechanical energy
Answer: | A | sciq |
What are subatomic particles of the nucleus called?
A. cores
B. nucleons
C. baryons
D. isotopes
Answer: | B | sciq |
What blood pressure reading measures the pressure in the vessels between heartbeats?
A. diastolic
B. plasma
C. metabolic
D. systolic
Answer: | A | sciq |
What holds ionic and covalent compounds together?
A. gravity
B. electrostatic attractions
C. magnetic force
D. water
Answer: | B | sciq |
Amines are bases; they react with acids to form what?
A. oils
B. proteins
C. ions
D. salts
Answer: | D | sciq |
If water from a spring can't flow downwards, it can spread out to form one of 2 things. what are they?
A. lake or ocean
B. ocean or river
C. ocean or sea
D. pond or lake
Answer: | D | sciq |
Energy is lost as heat between each trophic level due to the second law of what?
A. chemistry
B. reactions
C. particles
D. thermodynamics
Answer: | D | sciq |
What are electrons in the outer energy level of an atom called?
A. positive electrons
B. shell electrons
C. valence electrons
D. outer electrons
Answer: | C | sciq |
Halogens tend to form salts with what type of element?
A. metalloids
B. nonmetals
C. man-made
D. metals
Answer: | D | sciq |
The voltage is measured using a voltmeter, which measures which difference across two points?
A. potential difference
B. actual difference
C. Distance
D. average difference
Answer: | A | sciq |
What is the vertical extent of ocean water called?
A. water column
B. oceanic pillar
C. water row
D. ocean column
Answer: | A | sciq |
Echinoderms are found in many different ocean environments, but most are found where?
A. in tidepools
B. in reefs
C. in beaches
D. in waterfalls
Answer: | B | sciq |
A convergent plate boundary is created when two plates do what?
A. come toward each other
B. stay stationary
C. move away from each other
D. move perpendicular to each other
Answer: | A | sciq |
When volcanoes erupt, what from the mantle is released as carbon dioxide into the air?
A. carbon
B. lava
C. vapor
D. hydrogen
Answer: | A | sciq |
Sepals, petals, pistils, and stamens are contained in all what, which are actually modified leaves or sporophylls organized around a central stalk?
A. stems
B. chlorophyll
C. flowers
D. roots
Answer: | C | sciq |
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