question stringlengths 68 502 | answer stringclasses 4
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Question: Abundant in unpolluted ponds and streams, planarians prey on smaller animals or feed on?
Options:
A. algae
B. fungi
C. unidentified animals
D. dead animals | D |
Question: What does parasitic mean?
Options:
A. lives in host
B. mutual benefit
C. symbiotic
D. welcome guest | A |
Question: What scientist constructed a tree diagram, separating living organisms into three domains?
Options:
A. CT Fletcher
B. Gibbs
C. Mendel
D. carl woese | D |
Question: Most of the genes in the eukaryotic cell are found where?
Options:
A. the vacuoles
B. the mitochondria
C. the cell wall
D. the nucleus | D |
Question: What are known as the building blocks of proteins?
Options:
A. bases
B. protein acids
C. organism acids
D. amino acids | D |
Question: What are the three types of muscle tissue in the body?
Options:
A. proliferating , cardiac , smooth
B. skeletal, cardiac, smooth
C. topography , cardiac , smooth
D. spongy, cardiac, skeletal | B |
Question: The white mountains in new hampshire are part of what province?
Options:
A. montreal
B. appalachian
C. geologic
D. antarctic | B |
Question: What is the ratio of the uncertainty to the measured value, multiplied by one-hundred called?
Options:
A. percent uncertainty
B. variable uncertainty
C. amount uncertainty
D. percent inconsistency | A |
Question: What is produced by the sebaceous glands?
Options:
A. pheromone
B. sperm
C. progesterone
D. sebum | D |
Question: What do you call vesicle transport into the cell?
Options:
A. endocytosis
B. passive transport
C. metastasis
D. dialysis | A |
Question: What are daily changes in the level of ocean water called?
Options:
A. waves
B. floods
C. currents
D. tides | D |
Question: What is the name of the narrow tube that begins at the stomach and ends at the large intestine?
Options:
A. small stomach
B. small intestine
C. pancreas
D. small tissues | B |
Question: What is the term for how close a measurement is to the true value?
Options:
A. frequency
B. accuracy
C. validity
D. correctness | B |
Question: What are the two most abundant elements in the universe?
Options:
A. hydrogen and oxygen
B. nitrogen and carbon
C. oxygen and carbon
D. hydrogen and helium | D |
Question: What is the term for a close relationship between two species in which at least one species benefits.
Options:
A. extosis
B. endosymbiosis
C. symbiosis
D. candiasis | C |
Question: Atomic emission spectra are produced when excited electrons return to what state?
Options:
A. work state
B. side state
C. orbital state
D. ground state | D |
Question: The lungs perform gas exchange using air and what fluid, which is coming and going from the heart?
Options:
A. saliva
B. blood
C. water
D. mucus | B |
Question: In addition to glucose, what gas is used during cellular respiration?
Options:
A. oxygen
B. hydrogen
C. methane
D. nitrogen | A |
Question: Which germ layers are essential for animal embryos to grow and develop into a body?
Options:
A. histone and melatonin
B. endoderm, ectoderm, mesoderm
C. cytoplasm and chloroplasm
D. keratinocytes , ectoderm , mesoderm | B |
Question: Scrubbers and catalytic converters are examples of technologies that change what into harmless compounds?
Options:
A. toxins
B. contaminants
C. pollutants
D. mutations | C |
Question: What is the weighted average of the masses of all isotopes of an element called?
Options:
A. atomic mass
B. light mass
C. cell mass
D. weight mass | A |
Question: The ability of a water spider to walk across a body of water is an example of what?
Options:
A. high density
B. low gravity
C. surface tension
D. magnetism | C |
Question: What are compounds with the same molecular formula but different structures and properties called?
Options:
A. monomers
B. substrates
C. polymers
D. isomers | D |
Question: What happens when the blood cannot reach the heart because a blood vessel is blocked?
Options:
A. pass out
B. fast heart beat
C. heart burn
D. heart attack | D |
Question: What kind of solid is characterized by an unorganized and unpredictable structure?
Options:
A. porous
B. aqueous
C. amorphous
D. magnetic | C |
Question: An object with more mass has greater thermal energy than an object with less mass because it has more what?
Options:
A. gravity
B. atoms
C. molecules
D. ions | B |
Question: Ether molecules have an oxygen atom and can engage in hydrogen bonding with which other molecules?
Options:
A. carbon dioxides
B. lipids
C. proteins
D. water | D |
Question: What basic structures of the nervous system innervate the muscles of the respiratory system and are responsible for controlling and regulating pulmonary ventilation?
Options:
A. enzymes
B. ions
C. neurons
D. toxins | C |
Question: Pollutants in surface water can filter into the ground and enter a what?
Options:
A. turbine
B. groundwater aquifer
C. hydro plant
D. combustion aquifer | B |
Question: What is the most common cause of dwarfism?
Options:
A. achondroplasia
B. retinopathy
C. deformity
D. hypothyroidism | A |
Question: What describes how much matter is in a certain amount of space?
Options:
A. mass
B. viscosity
C. volume
D. density | D |
Question: Axons pass what on to other cells?
Options:
A. nerve impulses
B. calcium impulses
C. synthesis impulses
D. myelin impulses | A |
Question: Sister chromatids separate and move to opposite poles of the cell in the third phase of what process?
Options:
A. meiosis
B. cytokinesis
C. mitosis
D. epistasis | C |
Question: What is the distance that sound waves travel in a given amount of time called?
Options:
A. speed of sound
B. velocity of sound
C. force of sound
D. momentum of sound | A |
Question: What would you call a relationship where the bacteria benefit and and the other organism is harmed?
Options:
A. parasitism
B. pathology
C. symbiotic
D. fungi | A |
Question: What is the supply of water to land or crops to help growth called?
Options:
A. absorbtion
B. drainage
C. precipitation
D. irrigation | D |
Question: What form of matter has neither a definite shape nor a definite volume?
Options:
A. gas
B. solid
C. liquid
D. plasma | A |
Question: Which stage has already been completed by the time sea urchin eggs are released from the female?
Options:
A. fetus
B. mitoses
C. meiosis
D. secondary | C |
Question: Unlike pure substances, mixtures have a what?
Options:
A. complex composition
B. efficient composition
C. unique composition
D. variable composition | D |
Question: What process does not cause a rock to melt completely, instead causing the minerals to change by heat or pressure?
Options:
A. metamorphism
B. oxidation
C. igneous extrusion
D. sedimentation | A |
Question: A disaccharide is a pair of monosaccharides. disaccharides are formed via dehydration synthesis, and the bond linking them is referred to as a glycosidic bond (glyco- = “sugar”). three disaccharides (shown in figure 2.19) are important to humans. these are sucrose, commonly referred to as table sugar; lactose... | B |
Question: At what age is skeletal maturity reached by humans?
Options:
A. 15
B. 20
C. 40
D. 30 | B |
Question: What is most of earth's surface covered with?
Options:
A. sand
B. silicon
C. water
D. insects | C |
Question: What is the sac-like organ of the body that is important for both mechanical and chemical digestion?
Options:
A. stomach
B. spleen
C. kidney
D. gall bladder | A |
Question: All chemical reactions require what to get started?
Options:
A. spiked energy
B. primary energy
C. activation energy
D. conductivity energy | C |
Question: Mitosis is nuclear division during which duplicated chromosomes are segregated and distributed into what?
Options:
A. father nuclei
B. daughter nuclei
C. long nuclei
D. woman nuclei | B |
Question: Movement of water and minerals in the xylem solutes, pressure, gravity, and matric potential are all important for what?
Options:
A. plant water transport
B. increase water transport
C. Moving Water Transport
D. produce water transport | A |
Question: The temperature of the box is related to the average speed of what?
Options:
A. air
B. molecules
C. light
D. earth | B |
Question: What are organisms that eat just one type of food?
Options:
A. hedonists
B. gluttons
C. devotees
D. specialists | D |
Question: Mechanisms for establishing cellular asymmetries include morphogen gradients, localized determinants, and what other type of interactions?
Options:
A. reductive
B. inductive
C. conductive
D. electromagnetic | B |
Question: Biodiversity hot spots are prime candidates for protection because they are prone to what species fate?
Options:
A. mutation
B. reduction
C. extinction
D. accumulation | C |
Question: What are single-celled or colonial organisms that do not have membranebound nuclei?
Options:
A. viruses
B. prokaryotes
C. eukaryotes
D. arthropods | B |
Question: Differences in density between water and air lead to differences in what?
Options:
A. sound
B. resistance
C. pressure
D. energy | C |
Question: What organizational tool, arguably the best in all of science, lists all the known chemical elements, arranged by atomic number?
Options:
A. periodic table
B. logic table
C. tide table
D. spreadsheet | A |
Question: Solvation involves surrounding ions with what?
Options:
A. proteins
B. solvent particles
C. passive particles
D. molecules | B |
Question: The appendicular skeleton includes all bones of the upper and lower limbs, plus the bones that attach each limb to the what?
Options:
A. compressed skeleton
B. axial skeleton
C. literal skeleton
D. dynamic skeleton | B |
Question: Cow manure can have a second life as a source of what gas?
Options:
A. hydrogen
B. freon
C. ethanol
D. methane | D |
Question: Eggs reside in the mesohyl, but sperm are carried out of the sponge by what?
Options:
A. water current
B. phloem
C. ion channels
D. air current | A |
Question: Population size influences the chances of a species surviving, with very small populations generally at greatest risk of what fate?
Options:
A. mutation
B. adaptation
C. accumulation
D. extinction | D |
Question: Sound is the transfer of energy from a vibrating object in waves that travel through what?
Options:
A. light
B. matter
C. time
D. water | B |
Question: Sterols are a subgroup of what?
Options:
A. nuclides
B. nutrients
C. steroids
D. antibiotics | C |
Question: Cardiac muscle is only found where?
Options:
A. heart
B. abdomen
C. brain
D. lung | A |
Question: What process provides over 99 percent of the energy for life on earth?
Options:
A. fracking
B. glycolysis
C. farming
D. photosynthesis | D |
Question: Unlike energy, what doesn’t need to be constantly added to ecosystems because it is recycled through ecosystems?
Options:
A. matter
B. nutrients
C. water
D. vapor | A |
Question: A colloid is a homogeneous mixture with medium-sized what?
Options:
A. solutions
B. molecules
C. particles
D. atoms | C |
Question: What causes rivers to always flow downhill?
Options:
A. diffusion
B. gravity
C. slope
D. pressure | B |
Question: What elements do water and hydrogen peroxide consist of?
Options:
A. hydrogen and helium
B. calcium and oxygen
C. hydrogen and oxygen
D. carbon and oxygen | C |
Question: Name the virus that causes cold sores.
Options:
A. herpes virus
B. AIDS
C. Epstein-Barr
D. eboli | A |
Question: Cardiac veins parallel the small cardiac arteries and generally drain into what sinus?
Options:
A. heart
B. coronary
C. Veins
D. lungs | B |
Question: What is a dip slip fault where the dip of the fault plane is vertical?
Options:
A. reverse slip
B. strike - theory
C. incline slip
D. strike-slip | D |
Question: The major entrance and exit for the respiratory system is which facial orifice?
Options:
A. mouth
B. pore
C. nose
D. ear | C |
Question: Sexual reproduction is the combination of (usually haploid) reproductive cells from two individuals to form a third (usually diploid) unique offspring. sexual reproduction produces offspring with novel combinations of what?
Options:
A. cells
B. genes
C. features
D. phenotypes | B |
Question: What kind of reproduction involves just one parent and produces offspring genetically identical to each other and to the parent?
Options:
A. organic reproduction
B. microscopic reproduction
C. asexual reproduction
D. sexual reproduction | C |
Question: What do you call the hard case that surrounds the soft parts of some animals?
Options:
A. muscles
B. exoskeleton
C. shell
D. membrane | B |
Question: Choosing to not smoke and using sunscreen are examples of lifestyle choices that help prevent forms of what disease?
Options:
A. cancer
B. bacterial disease
C. viral disease
D. pnemonia | A |
Question: What is said about the speed of rotation in systems that create tornadoes?
Options:
A. it is magnetic
B. it is slow
C. it is unchanged
D. it is fast | B |
Question: In gas exchange, oxygen flows into the blood, and what flows out?
Options:
A. naturally dioxide
B. carbon monoxide
C. carbon dioxide
D. liquid dioxide | C |
Question: What happens during the process of digestion?
Options:
A. regurgitation
B. cell division
C. excretion of food
D. breakdown of food | D |
Question: What do you call the folded layers of rock where geologists look for oil?
Options:
A. crests
B. oscillations
C. synclines
D. anticlines | D |
Question: Cutting forests and clearing land has also increased the amount of what in the atmosphere?
Options:
A. oxygen
B. smog
C. pesticides
D. carbon dioxide | D |
Question: Microevolution occurs in a population when what frequencies change over time?
Options:
A. eukaryote
B. antenna
C. molecule
D. allele | D |
Question: What is the alkaline hydrolysis reaction of an ester called?
Options:
A. resorption
B. saponification
C. fermentation
D. instantiation | B |
Question: What is the time interval required for one complete wave to pass a point called?
Options:
A. period
B. cycle
C. minute
D. half-life | A |
Question: Plant-like protists are autotrophs, meaning they make their own what?
Options:
A. food
B. molds
C. spores
D. flowers | A |
Question: In what form do plants and animals store sugar for later use?
Options:
A. processing polysaccharides
B. management polysaccharides
C. carrying polysaccharides
D. storage polysaccharides | D |
Question: What forces the fetus out of the uterus?
Options:
A. delayed childbirth
B. biological clock
C. deep breathing
D. continuous strong contractions | D |
Question: The large and small intestine are both divided into how many parts?
Options:
A. 6
B. 8
C. 2
D. 3 | D |
Question: If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way?
Options:
A. they get smaller
B. they get bigger
C. they pop
D. they multiply | B |
Question: What do you call the transfer of thermal energy?
Options:
A. humidity
B. precipitation
C. heat
D. formation | C |
Question: The outer layer of what anatomical structure is so tough that it keeps out most pathogens?
Options:
A. skin
B. liver
C. steel
D. bark | A |
Question: The process of a liquid becoming a gas is called boiling, while the process of a solid becoming a gas is called what?
Options:
A. Boiling
B. Melting
C. sublimation
D. vaporization | C |
Question: How does the nucleus divide during nuclear fission?
Options:
A. evenly
B. biochemically
C. asymmetrically
D. equally | C |
Question: How do heavy alkanes affect the skin?
Options:
A. damage the skin
B. form a protective layer
C. color the skin
D. they do not affect the skin | B |
Question: If an electric current passes through water, water molecules break down into molecules of what?
Options:
A. oxygen and methane
B. carbon and oxygen
C. hydrogen and carbon
D. hydrogen and oxygen | D |
Question: What makes luminous dials glow in the dark?
Options:
A. devil substances
B. phosphorescent substances
C. eerie substances
D. polymer substances | B |
Question: What liquid is referred to as the "universal solvent"?
Options:
A. water
B. bromine
C. blood
D. gasoline | A |
Question: What is the active ingredient in cloves?
Options:
A. eugenol
B. thiamine
C. methyl
D. nicotine | A |
Question: What term means the adjusting of systems within a cell in order to restore balance or maintain equilibrium?
Options:
A. homeostatic regulation
B. systemic regulation
C. aftertouch regulation
D. gaseous regulation | A |
Question: What is the name of the formation that regulates sleep and arousal?
Options:
A. gelechioidea formation
B. epithelial formation
C. reticular formation
D. sleep-arousal formation | C |
Question: What do the gonadotropins regulate?
Options:
A. mitosis
B. temperature
C. gametogenesis
D. epigenesis | C |
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