question stringlengths 68 502 | answer stringclasses 4
values |
|---|---|
Question: What is the term for a mutually beneficial relationship in which one organism lives inside the other?
Options:
A. parthenogenesis
B. parasite
C. symbiosis
D. endosymbiosis | D |
Question: All new alleles are formed by what types of mutations?
Options:
A. chaotic
B. random
C. systemic
D. ordinary | B |
Question: What are seeds plants that produce naked seeds in cones called?
Options:
A. gymnosperms
B. angiosperms
C. lipids
D. cytoplasm | A |
Question: Water is the solvent in solutions called acids and?
Options:
A. alkalines
B. proteins
C. bases
D. nutrients | C |
Question: What two gases are the main components of air?
Options:
A. nitrogen and oxygen
B. carbon and oxygen
C. hydrogen and helium
D. oxygen and helium | A |
Question: Anaerobic prokaryotes can live without what compound in their environment (it's a compound that people do need to live)?
Options:
A. nitrogen
B. carbon
C. Hydrogen
D. oxygen | D |
Question: What part of earth do many animals use for navigation?
Options:
A. molten core
B. oceans
C. atmosphere
D. magnetic field | D |
Question: Endocytosis and exocytosis are types of vesicle transport that carry very large molecules across what structure?
Options:
A. cell substrate
B. dermis
C. the heart
D. cell membrane | D |
Question: What are biochemical compounds that living things use to store energy and make cell membranes?
Options:
A. lipids
B. carbohydrates
C. nucleic acid
D. proteins | A |
Question: What happens to the volume of a balloon when you add moles of gas to it by blowing up?
Options:
A. decreases
B. changes randomly
C. stays the same
D. increases | D |
Question: The addition of starting materials and the removal of end products prevent metabolism from reaching what state?
Options:
A. constant
B. imbalance
C. inequality
D. equilibrium | D |
Question: In what year was the hardy-weinberg theorem formulated?
Options:
A. 1938
B. 1908
C. 1901
D. 1928 | B |
Question: The regulation of gene expression is extremely important during the development of what?
Options:
A. cells
B. organism
C. tissues
D. protein | B |
Question: What does a virus inject into the host cell?
Options:
A. Acetic acid
B. nucleic acid
C. proteins acid
D. cells acid | B |
Question: Mutations in regulatory genes that normally control the cell cycle cause what?
Options:
A. tumors
B. cancer
C. anxiety
D. illness | B |
Question: Blood is made up of red blood cells, white blood cells, platelets, and what else?
Options:
A. plasma
B. potassium
C. pathogens
D. hemoglobin | A |
Question: What is the term for the study of how living things interact with each other and with their environment?
Options:
A. ecology
B. anthropology
C. radiology
D. biology | A |
Question: What takes place directly after developing a hypothesis in the scientific method process?
Options:
A. testing the hypothesis
B. making a conclusion
C. gathering materials
D. independent variables | A |
Question: What should you use to protect your eyes from chemicals?
Options:
A. eye goggles
B. certain goggles
C. your hands
D. contacts | A |
Question: Because action potentials are so brief, a neuron can produce hundreds per what?
Options:
A. minute
B. day
C. second
D. lifetime | C |
Question: Darwin coined what term to refer to an organism’s relative ability to survive and produce fertile offspring?
Options:
A. fitness
B. strength
C. metabolism
D. momentum | A |
Question: At high pressures, how are the molecules of a gas crowded?
Options:
A. further apart
B. few together
C. closer together
D. small together | C |
Question: The number of possible isomers increases tremendously as carbon skeletons increase in what?
Options:
A. size
B. mass
C. variation
D. weight | A |
Question: What are vascular plants that produce seeds in cones called?
Options:
A. evergreen
B. angiosperms
C. deciduous
D. gymnosperms | D |
Question: What does photosynthesis change light energy into?
Options:
A. radiation energy
B. electrical energy
C. chemical energy
D. carbon energy | C |
Question: Addiction affects what type of chemical receptors within the brain?
Options:
A. dopamine receptors
B. bind receptors
C. serotonin receptors
D. mitochondria receptors | A |
Question: What is the ability of an atom to emit, or give off, charged particles and energy from the nucleus?
Options:
A. radioactivity
B. magnetism
C. electromagnetism
D. electrolysis | A |
Question: What group of gases are unusually unreactive?
Options:
A. noble gases
B. volcanic gases
C. halogens
D. greenhouse gases | A |
Question: A point defect can be an atom missing from a site in the crystal known as a what?
Options:
A. vacancy
B. void
C. deficiency
D. vacuum | A |
Question: What is the place called where the axon of one neuron meets the dendrite of another?
Options:
A. synapse
B. apoptosis
C. neurotransmitter
D. uptake | A |
Question: Organic chemistry is the study of the chemistry of what?
Options:
A. metals
B. hydrogen
C. oxidation
D. carbon compounds | D |
Question: Gastropods, cephalopods, and bivalves are examples of what class?
Options:
A. animals
B. invertebrates
C. mollusks
D. cetaceans | C |
Question: What type of cholesterol is commonly referred to as bad?
Options:
A. ldl
B. hdl
C. insulin
D. unsaturated | A |
Question: Where does most natural gas come from?
Options:
A. oceans
B. wells that produce petroleum
C. recycled cooking oil
D. alchemy | B |
Question: Medical problems associated with the body responding poorly to insulin are commonly associated with what disease?
Options:
A. AIDS
B. colitis
C. pertussis
D. diabetes | D |
Question: The pancreatic hormones insulin and glucagon maintain glucose homeostasis by tightly regulating the synthesis and breakdown of what?
Options:
A. lipids
B. pathway
C. glycogen
D. enzyme | C |
Question: The marsupial embryo is nourished inside the uterus with food from a yolk sac instead of through a what?
Options:
A. placenta
B. stomach
C. umbilical cord
D. ovum | A |
Question: The substances that comprise heterogeneous mixtures can also be separated by what means?
Options:
A. thermal
B. chemical
C. physical
D. atmospheric | C |
Question: What type of organism has spores that are spread by water and wind?
Options:
A. Trees
B. yeast
C. Plants
D. fungi | D |
Question: Through which organ do hookworm larvae enter the human body?
Options:
A. through the rectum
B. through the mouth
C. through the skin
D. through the lungs | C |
Question: Inside a cylinder, thermal energy is converted to what type of energy of the moving piston?
Options:
A. electrochemical energy
B. residual energy
C. kinetic energy
D. horsepower | C |
Question: To the extent that behaviors are controlled by what, they may evolve through natural selection?
Options:
A. rna
B. mutation
C. genes
D. dna | C |
Question: What kind of muscle relationship generally produces back-and-forth movement of a body part?
Options:
A. antagonistic muscles
B. complementary muscles
C. cooperative muscles
D. synchronized muscles | A |
Question: Science is a process of knowing about the natural universe through what two actions?
Options:
A. guessing and observing
B. changes and experimentation
C. thinking and guessing
D. observation and experimentation | D |
Question: Through a process called electromagnetic induction, generators change what energy form of a spinning turbine to electrical energy?
Options:
A. kinetic
B. potential
C. electric
D. seismic | A |
Question: Footprints, burrows, and waste are considered what type of fossils?
Options:
A. morphology fossils
B. movement fossils
C. trace fossils
D. crater fossils | C |
Question: What process of allows multicellular organisms to grow and repair themselves?
Options:
A. proteins division
B. atom split
C. DNA division
D. cell division | D |
Question: What is the process of a confined gas escaping through a tiny hole in its container called?
Options:
A. effluent
B. effusion
C. dissipation
D. dilution | B |
Question: What is a relationship between living things that depend on the same resources?
Options:
A. competition
B. contention
C. symbiotic
D. parasitic | A |
Question: What is the measure of an individual’s weight-to-height ratio called?
Options:
A. body matter index (bmi)
B. body density index (bdi)
C. density index (di)
D. body mass index (bmi) | D |
Question: When you are walking on a sidewalk, what occurs between your shoes and the concrete each time you put down your foot?
Options:
A. progress
B. static friction
C. grip
D. movement | B |
Question: According to the english system measurement, how much is equal to 2 pints, 1 quart, and ¼ of a gallon?
Options:
A. 2 cups
B. 1 cup
C. 3 cups
D. 4 cups | D |
Question: Many important crops, such as corn, are planted and harvested as what?
Options:
A. seeds
B. cuttings
C. trees
D. berries | A |
Question: The turbine of a windmill spins and creates what?
Options:
A. grains
B. electricity
C. pollution
D. lightning | B |
Question: Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?
Options:
A. stem cells
B. white blood cells
C. neurons
D. red blood cells | A |
Question: Which law explains why a ship weighing thousands of metric tons floats on water?
Options:
A. ganymede ' law
B. hofstadter ' law
C. archimedes' law
D. water pressure law | C |
Question: The urinary system can be considered a smaller part of what other body system?
Options:
A. extraneous
B. excretory
C. sensory
D. circulatory | B |
Question: Essential minerals that the body needs in tiny quantities are called what?
Options:
A. flux minerals
B. draw minerals
C. trace minerals
D. byproduct minerals | C |
Question: The process by which leaves collect sunlight and make food is called this?
Options:
A. photosynthesis
B. budding
C. pollination
D. glycolysis | A |
Question: What are the three types of rna involved in protein synthesis?
Options:
A. organic , transfer , and ribosomal
B. messenger, organic and transfer
C. messenger, transfer, and organic
D. messenger, transfer, and ribosomal | D |
Question: What is the term for chordates with a vertebral column and endoskeleton of cartilage and bone?
Options:
A. insect
B. vertebrate
C. mammel
D. am | B |
Question: What does a keratometer measure in the cornea?
Options:
A. Width
B. curve
C. diameter
D. Lenght | B |
Question: What is it called when an egg develops into an individual without being fertilized?
Options:
A. metamorphosis
B. abiogenesis
C. symbiosis
D. parthenogenesis | D |
Question: Many adolescents experience frequent mood swings. name one of the causes for this.
Options:
A. maturing nervous system
B. surging hormones
C. psychological changes
D. growing hormones | B |
Question: Through what does the nerve impulses travel to the brain?
Options:
A. trochlear nerve
B. abducent nerve
C. oculomotor nerve
D. optic nerve | D |
Question: 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?
Options:
A. joule
B. meter
C. volt
D. ohm | C |
Question: The properties of the alkali metals are similar to each other as expected for elements in the same what?
Options:
A. class
B. family
C. branch
D. farm | B |
Question: Which division of the peripheral nervous system carries messages from sense organs and internal organs to the central nervous system?
Options:
A. sensory division
B. neural division
C. vascular division
D. extrasensory division | A |
Question: An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what?
Options:
A. oxygen
B. sulfur
C. hydrogen
D. nitrogen | A |
Question: Featuring a stalk-like filament that ends in an anther, what is the male reproductive organ in a flower?
Options:
A. angiosperms
B. petals
C. cones
D. stamen | D |
Question: What controls the movements of hands and arms?
Options:
A. autonomic nervous system
B. somatic nervous system
C. voluntary nervous system
D. functional nervous system | B |
Question: Refraction happens when light bends from doing what in a new medium?
Options:
A. changing brightness
B. changing trajectory
C. changing color
D. changing speed | D |
Question: What is the basic structure that holds plants upright, allowing plants to get the sunlight and air they need?
Options:
A. stem
B. root
C. stamen
D. twig | A |
Question: 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?
Options:
A. horizontal
B. hydroelectric
C. symmetrical
D. longitudinal | D |
Question: What is the name of the elongated bony structure that anchors the anterior thoracic cage?
Options:
A. tibia
B. sternum
C. collar bone
D. pelvis | B |
Question: What is the most numerous species on the planet?
Options:
A. humans
B. bacteria
C. viruses
D. trees | B |
Question: What are the earth's two poles called?
Options:
A. east and west
B. west and south
C. north and south
D. southwest and south | C |
Question: Chloroplasts and chromoplasts are examples of which membrane bound organelle containing their own dna?
Options:
A. chromosomes
B. bacteria
C. polymers
D. plastids | D |
Question: Birds are the most numerous type of what vertebrates?
Options:
A. ornithopod
B. amphipod
C. tetrapod
D. arachnipod | C |
Question: Viruses were assumed to exist before they were first seen with an electron microscope in which decade?
Options:
A. 1960's
B. 1940's
C. 1890's
D. 1930 ' s | D |
Question: Matter is always conserved in what type of reaction?
Options:
A. toxic reaction
B. Quick reaction
C. developed reaction
D. chemical reaction | D |
Question: Most flowers carry both stamens and carpels; however, a few species are capable of what and are nicknamed "perfect" flowers?
Options:
A. sexual reproduction
B. germination
C. self-pollination
D. cloning | C |
Question: The entry of food into the esophagus marks the beginning of the esophageal phase of deglutition and the initiation of this?
Options:
A. relaxation
B. digestion
C. propagation
D. peristalsis | D |
Question: Where are the seeds in gymnosperms found?
Options:
A. in roots
B. in folds
C. in leaves
D. in cones | D |
Question: Oil is found in the porous rock layer and trapped by the what?
Options:
A. crystalline layer
B. impermeable layer
C. \
D. mantle | B |
Question: The number of valence electrons determines variation of what property in nonmetals?
Options:
A. turbidity
B. reactivity
C. density
D. permeability | B |
Question: Hydrogen and helium are specifically involved as reactants in what nuclear reaction that is useful for making energy?
Options:
A. nuclear fusion
B. destructive fusion
C. radioactive fusion
D. nuclear fission | A |
Question: What is the most widely used form of renewable energy in the world?
Options:
A. hydropower
B. fossil fuel
C. wind
D. solar | A |
Question: What energy is the energy of motion?
Options:
A. optimal
B. kinetic
C. thermal
D. potential | B |
Question: Where do stratus clouds occur in the troposphere?
Options:
A. mid to high region
B. low
C. high
D. mid-region | B |
Question: What kind of movement do planets in the solar system make around the sun?
Options:
A. elliptical orbits
B. spinning orbits
C. round orbits
D. optical orbits | A |
Question: Which process breaks down glucose to extract energy for cell metabolism?
Options:
A. mitosis
B. glycolysis
C. photosynthesis
D. meiosis | B |
Question: What does fluorine attract better than any other element?
Options:
A. magnets
B. shared electrons
C. electron shells
D. ionic bonds | B |
Question: What term is used to describe the muscular canal (approximately 10 cm long) that serves as the entrance to the reproductive tract?
Options:
A. urethra
B. vagina
C. uterus
D. cervix | B |
Question: What type of energy travels through space as electrical and magnetic waves?
Options:
A. mechanical energy
B. electromagnetic energy
C. sound energy
D. solar energy | B |
Question: What are subatomic particles of the nucleus called?
Options:
A. isotopes
B. nucleons
C. baryons
D. cores | B |
Question: What blood pressure reading measures the pressure in the vessels between heartbeats?
Options:
A. diastolic
B. metabolic
C. plasma
D. systolic | A |
Question: What holds ionic and covalent compounds together?
Options:
A. gravity
B. electrostatic attractions
C. magnetic force
D. water | B |
Question: Amines are bases; they react with acids to form what?
Options:
A. proteins
B. salts
C. oils
D. ions | B |
Question: If water from a spring can't flow downwards, it can spread out to form one of 2 things. what are they?
Options:
A. pond or lake
B. lake or ocean
C. ocean or sea
D. ocean or river | A |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.