question stringlengths 68 502 | answer stringclasses 4
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Question: Viruses need what kind of cell in order to help themselves reproduce?
Options:
A. round
B. side
C. host
D. double | C |
Question: Although vitamins and minerals do not provide what, they are still essential for good health?
Options:
A. enzymes
B. flavor
C. energy
D. antioxidants | C |
Question: What is the science of how living things interact with each other and their environment?
Options:
A. ecology
B. biology
C. compatibility
D. zoology | A |
Question: What function does a vacuole do for a cell?
Options:
A. division
B. storage
C. transfer
D. reproduction | B |
Question: Sight, hearing, balance, taste, smell, and touch are types of what?
Options:
A. memories
B. senses
C. sensation types
D. temperaments | B |
Question: During grafting, the part of the plant that is grafted is called?
Options:
A. stem
B. roots
C. scion
D. stock | C |
Question: What is a winding ridge of sand deposited by a stream of meltwater called?
Options:
A. esker
B. sand dune
C. desert
D. oasis | A |
Question: What is a measure of the change in velocity of a moving object?
Options:
A. vibration
B. inclination
C. kinetic energy
D. acceleration | D |
Question: Sympatric type of what occurs when a single population of organisms splits into two reproductively isolated communities within the same physical region?
Options:
A. speciation
B. biodiversity
C. extraction
D. accumulation | A |
Question: Each atom has a required number of what?
Options:
A. matrix bonds
B. accretion bonds
C. acceleration bonds
D. covalent bonds | D |
Question: When the volume of a gas is decreased, what happens to its pressure?
Options:
A. STAYS THE SAME
B. LOWERS
C. drops
D. increases | D |
Question: Exposure to what causes skin color to darken?
Options:
A. sunlight
B. heat
C. hormones
D. pressure | A |
Question: What colorful phenomenon occurs in the northern sky when particles from the sun energize ions in the thermosphere?
Options:
A. meteor shower
B. Coriolis effect
C. aurora nervosa
D. northern lights | D |
Question: By what processes does the ocean modify landforms?
Options:
A. erosion and deposition
B. shape and deposition
C. sweeping and deposition
D. splash and deposition | A |
Question: The term “vapor” refers to the gas phase when it exists at a temperature below what?
Options:
A. liquid temperature
B. freezing temperature
C. contaminated temperature
D. boiling temperature | D |
Question: Hypertension, or high blood pressure, can increase the risk of what?
Options:
A. physiological disease
B. bone disease
C. cardiovascular disease
D. abnormal disease | C |
Question: The carbon atoms are bonded together, with each carbon also being bonded to two of what kind of atoms?
Options:
A. hydrogen
B. calcium
C. helium
D. ions | A |
Question: What is the final stage of cell division in eukaryotes as well as prokaryotes?
Options:
A. cytokinesis
B. mitosis
C. anaphase
D. electrolysis | A |
Question: The metacarpophalangeal joints in the finger are examples of what kind of joints?
Options:
A. saddle
B. fibrous
C. hinge
D. condyloid | D |
Question: What is idefined as the mass of a substance divided by its volume?
Options:
A. height
B. density
C. length
D. weight | B |
Question: What does the kyoto protocol focus on controlling?
Options:
A. Ozone emissions
B. carbonate gas emissions
C. greenhouse gas emissions
D. Helium emissions | C |
Question: A van de graff generator produces what type of charge on its dome, causing the tendency to give up electrons?
Options:
A. positive charge
B. no charge
C. negative charge
D. similar charge | C |
Question: What forms the small holes found in bread?
Options:
A. carbon monoxide gas
B. yeast
C. oxygen
D. carbon dioxide gas | D |
Question: In order to conduct what, electrons must move from the filled valence band to the empty conduction band where they can move throughout the solid?
Options:
A. light
B. heat
C. electricity
D. matter | C |
Question: Conductive losses in the middle ear can be partially overcome by sending sound vibrations to what structure through the skull, the principle behind implants for hearing loss patients?
Options:
A. hammer and anvil
B. cochlea
C. cornea
D. tympanic membrane | B |
Question: What is the term for the fast-moving air currents high in the troposphere?
Options:
A. ocean streams
B. gale force winds
C. jet streams
D. global winds | C |
Question: Vibrating electric and magnetic fields make up what kinds of waves?
Options:
A. eletrical
B. mechanical
C. seismic
D. electromagnetic | D |
Question: What do you call the regular changes in biology or behavior that occur in a 24-hour cycle?
Options:
A. circadian rhythms
B. sleep rhythms
C. variable rhythms
D. cognitive rhythms | A |
Question: The electric and magnetic fields are closely related and propagate as what?
Options:
A. sound wave
B. mechanical wave
C. thermal energy
D. electromagnetic wave | D |
Question: What do you get by multiplying volume by the density of water?
Options:
A. weight of water
B. temperature of water
C. velocity of water
D. mass of water | D |
Question: Plant-like protists are autotrophs capable of what process?
Options:
A. regeneration
B. sexual reproduction
C. photosynthesis
D. microevolution | C |
Question: What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy?
Options:
A. electrical
B. heat
C. physical
D. potential | A |
Question: When performing anaerobic exercise, your muscles work against what?
Options:
A. inertia
B. momentum
C. gravity
D. resistance | D |
Question: What type of doctor specializes in the laboratory detection of disease?
Options:
A. pathologist
B. internist
C. diagnostician
D. infectious disease physician | A |
Question: The smallest unit of structure and function in all living organisms is what?
Options:
A. compound
B. cell
C. mineral
D. particle | B |
Question: Bilaterally symmetrical animals have both dorsal and what type of sides?
Options:
A. exterior
B. anterior
C. posterior
D. ventral | D |
Question: Which state of matter is not common on earth?
Options:
A. respiration
B. plasma
C. gas
D. liquid | B |
Question: Which system of the body is responsible for bringing air into the body?
Options:
A. vascular system
B. excretory system
C. respiratory system
D. digestive system | C |
Question: The photoreceptive cells of the eye, where transduction of light to nervous impulses occurs, are located in this?
Options:
A. sclera
B. cornea
C. retina
D. pupil | C |
Question: E. coli need what kind of acids to survive?
Options:
A. boric
B. amino
C. hydrochloric
D. bacterial | B |
Question: Elements are defined by their atomic number, a number that describes the amount of what in the element?
Options:
A. bonds
B. neutrons
C. electrons
D. protons | D |
Question: What laboratory instrument is used to analyze and test for static charge?
Options:
A. bunsen burner
B. microtome
C. microscope
D. electroscope | D |
Question: Through a succession of mitotic cell divisions, what gives rise to a large number of cells?
Options:
A. condensation
B. zygote
C. cytoplasm
D. air | B |
Question: Contour tillage helps slow water run-off and what process that causes topsoil loss?
Options:
A. ice shelf erosion
B. water erosion
C. soil erosion
D. plate tectonics | C |
Question: In a scientific experiment, the variable that is affected by the other one is called what?
Options:
A. effective variable
B. independent variable
C. dependent variable
D. essential variable | C |
Question: Cells must also be able to separate their relatively stable interior from what?
Options:
A. their habitat
B. the external environment
C. competition and chaos
D. predators | B |
Question: For any given species, what term means the maximum population that can be supported by the environment?
Options:
A. tipping point
B. zero population growth
C. mass extinction
D. carrying capacity | D |
Question: With an increased understanding of gene regulation and gene function, medicines can be designed to specifically target diseased cells without harming these?
Options:
A. pathogens
B. hosts
C. stem cells
D. healthy cells | D |
Question: The rate of a reaction can be expressed either in terms of the decrease in the amount of what or the increase in the amount of a product per unit time?
Options:
A. isotope
B. reactant
C. sulfate
D. plasma | B |
Question: What do molecules need to do for a reaction to take place?
Options:
A. separate
B. explode
C. collide
D. melt | C |
Question: What is the term for the change in temperature with distance?
Options:
A. heat gradient
B. distance gradient
C. temperature volatility
D. temperature gradient | D |
Question: How many classes of biochemical compounds are there?
Options:
A. one
B. three
C. four
D. five | C |
Question: The fact that all animals have certain traits in common shows that they share what?
Options:
A. a common ancestor
B. a common planet
C. a common gene
D. a common brain | A |
Question: Organisms that live in freshwater environments often possess a contractile vacuole that prevents cells from taking in too much water through what process?
Options:
A. hemostasis
B. glycolysis
C. electrolysis
D. osmosis | D |
Question: What is the condition in which the thyroid gland is overactive is known as?
Options:
A. hypothyroidism
B. hyperthyroidism
C. susceptibility
D. hepatic | B |
Question: Where do amphibians lay their eggs?
Options:
A. on land
B. in caves
C. in water
D. in airborne nests | C |
Question: The food particles are caught by the collar of the choanocyte and brought into the cell by what process?
Options:
A. hippocampus
B. phototropism
C. phagocytosis
D. cellular respiration | C |
Question: In seedless vascular plants such as ferns, the sporophyte releases spores from the undersides of what basic plant structures?
Options:
A. stems
B. roots
C. leaves
D. fruits | C |
Question: There are two basic body plans in cnidarians which are called the polyp and what else?
Options:
A. hydra
B. spore
C. stoma
D. medusa | D |
Question: In science, what is a bit of information that is true?
Options:
A. theory
B. lie
C. falsehood
D. a fact | D |
Question: What kind of potentially harmful compounds can barbecuing food create?
Options:
A. enzymes
B. carcinogens
C. triglycerides
D. mutagens | B |
Question: Change in what equals the average net external force multiplied by the time this force acts?
Options:
A. lag
B. momentum
C. height
D. rate | B |
Question: What type of mammals are characterized by detailed development of the hands and feet, a shortened snout, and a large brain?
Options:
A. primates
B. mammles
C. amphibians
D. apes | A |
Question: What process allows an individual to develop from a single cell into an organism with trillions of cells?
Options:
A. cell function
B. cell division
C. Cell multiplication
D. cell transition | B |
Question: What do you call the membrane-bounded droplets that have some properties of cells?
Options:
A. membranes.
B. protocells
C. rods
D. sporozoans | B |
Question: Bees are naturalized on every continent except which?
Options:
A. North America
B. Africa
C. antarctica
D. Australia | C |
Question: In arthropods, coxal glands and malphigian tubules perform what role?
Options:
A. ingestion
B. photosynthesis
C. reproduction
D. excretion | D |
Question: What is the ultimate source of energy for all life on earth?
Options:
A. the moon
B. the sun
C. Mars
D. its core | B |
Question: What do you call compounds whose properties are different because their atoms are bonded together in different arrangements?
Options:
A. mixtures
B. isomers
C. isotopes
D. ionic compounds | B |
Question: What celestial object has been visited by manned spacecraft and is easily seen from earth?
Options:
A. venus
B. moon
C. the Sun
D. Jupiter | B |
Question: What do you call a condition caused by mutations in one or more genes?
Options:
A. evolutionary disorder
B. mutation disorder
C. intrinsic disorder
D. genetic disorder | D |
Question: What is the common term for erythrocytesare, specialized cells that circulate delivering oxygen to cells and are formed from stem cells in the bone marrow?
Options:
A. monocytes
B. plateletes
C. red blood cells
D. white blood cells | C |
Question: When do glaciers deposit their sediment?
Options:
A. when they move
B. when they melt
C. when they form
D. when they are new | B |
Question: One of the earliest air pumps was made by?
Options:
A. Galileo
B. robert boyle
C. Niels Bohr
D. Isaac Newton | B |
Question: Terrestrial biomes are determined mainly by what?
Options:
A. element
B. population
C. climate
D. landscape | C |
Question: What are scientists able to determine about stars using emission and absorption spectra?
Options:
A. shape
B. size
C. distance
D. composition | D |
Question: Scientists search for answers to questions and solutions to problems by using a procedure called this?
Options:
A. continued method
B. scientific method
C. measured method
D. careful method | B |
Question: What transmits nerve impulses to other cells?
Options:
A. neurons
B. muscles
C. ions
D. fats | A |
Question: The active transport of ions across the membrane causes an electrical gradient to build up across the what?
Options:
A. colloidal membrane
B. cells membrane
C. components membrane
D. plasma membrane | D |
Question: What process determines which of two fossils is older or younger than the other?
Options:
A. difference dating
B. relative dating
C. curve dating
D. differential dating | B |
Question: Under which process do living things with beneficial traits produce more offspring?
Options:
A. differentiation
B. natural selection
C. migration
D. evolution | B |
Question: Biceps brachii, brachialis, and brachioradialis work to flex what part of the body?
Options:
A. lungs
B. foot
C. leg
D. forearm | D |
Question: Cancer involves what changes that modify cell-cycle control and alter the growth rate or progression of the cell through the cell cycle?
Options:
A. enhancements
B. deletions
C. stabilization
D. mutations | D |
Question: Glucose, fructose, and galactose are hexose sugars, which contain six atoms of what element?
Options:
A. hydrogen
B. oxygen
C. nitrogen
D. carbon | D |
Question: When an action and reaction occur, what is transferred from one object to the other, yet in combination it remains the same?
Options:
A. matter
B. energy
C. force
D. momentum | D |
Question: Which two planetary bodies have humans walked on?
Options:
A. Earth and Saturn
B. Mars and Jupiter
C. earth and the moon
D. The Sun and Mars | C |
Question: The pion can only be created by violating the conservation of what?
Options:
A. momentum
B. time-space
C. mass-energy
D. quantum physics | C |
Question: What are named for their “spiny skin”?
Options:
A. echinoderms
B. arachnids
C. reptiles
D. amphibians | A |
Question: What is formed when sperm mixes with secretions from the various other glands of the reproductive system?
Options:
A. hormone
B. semen
C. urine
D. testosterone | B |
Question: Some plants have stolons, or stems, that run along the ground and are commonly called what?
Options:
A. runners
B. stages
C. roots
D. shoots | A |
Question: Clearing land for agriculture and development is a major cause of what negative result?
Options:
A. water destruction
B. habitat destruction
C. human destruction
D. mineral destruction | B |
Question: What in the skin dilates, or widens, in order to increase blood flow to the bodys surface?
Options:
A. veins
B. blood vessels
C. tear ducts
D. pores | B |
Question: What burns to produce the white light in fireworks displays?
Options:
A. helium in air
B. magnesium in air
C. nitrogen in air
D. oxygen in air | B |
Question: Solids can be divided into amorphous solids and which other group?
Options:
A. morphous solids
B. distinct solids
C. crystalline solids
D. acrystalline solids | C |
Question: Some earthworms can also reproduce asexually by fragmentation followed by what?
Options:
A. germination
B. fertilization
C. regeneration
D. digestion | C |
Question: Most crustaceans have separate sexes, so they reproduce sexually using what?
Options:
A. eggs and pod
B. pod and eggs
C. asexual reproduction
D. eggs and sperm | D |
Question: Visible light is one type of this radiation?
Options:
A. Ionizing
B. neutron
C. electromagnetic
D. Gamma | C |
Question: Double-replacement reactions generally occur between substances in what kind of solution?
Options:
A. aqueous
B. reactive
C. saline
D. solid | A |
Question: What happens to the recessive traits in the offspring of a hybridization?
Options:
A. remain recessive
B. they disappear
C. they replicate
D. they dominate | B |
Question: What is a small, spherical compartment separated by at least one lipid layer from the cytosol?
Options:
A. cortex
B. vesicle
C. capillary
D. cuticle | B |
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