question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: What is a benefit of low sulfur coal over high sulfur coal?
Options:
A. less pollution
B. greater enerty
C. less erosion
D. lower cost | A |
Question: Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences?
Options:
A. skull size
B. bones inside wings
C. skin inside wings
D. skin and feathers | B |
Question: The best thermal conductors are also the best conductors of what, which is also related to the density of free electrons in them?
Options:
A. sound
B. pollution
C. electricity
D. light | C |
Question: What tissue do clubmosses have that mosses do not?
Options:
A. chorophyll
B. nuclei
C. dioxide tissue
D. vascular tissue | D |
Question: The average human body contains 5,830 g of what?
Options:
A. water
B. bacteria
C. muscle
D. blood | D |
Question: What type of speciation occurs when groups from the same species are geographically isolated for long periods?
Options:
A. symbiotic
B. allopatric
C. asexual
D. prokaryotic | B |
Question: What can damage the hair cells lining the cochlea of the inner ear?
Options:
A. amelodic sounds
B. wavering sounds
C. unexpected sounds
D. loud sounds | D |
Question: The boiling point of a solution is higher than the boiling point of the pure solvent, but the opposite occurs with this?
Options:
A. liquidity point
B. freezing point
C. dissolving point
D. evaporation point | B |
Question: What is the network of vessels and tissues that carry a clear fluid called lymph called?
Options:
A. lymphatic system
B. excretory system
C. cleansing system
D. vessel system | A |
Question: What is defined as the change of water from its liquid phase to its gaseous phase?
Options:
A. transpiration
B. evaporation
C. absorption
D. condensation | B |
Question: Radiation, chemicals, and infectious agents are types of what?
Options:
A. endogenous
B. mutagens
C. mutations
D. dioxins | B |
Question: What type of matter transmits light without scattering it?
Options:
A. bioluminescent
B. transparent
C. translucent
D. clean | B |
Question: Steam actually consists of tiny droplets of liquid what?
Options:
A. mercury
B. lead
C. water
D. methane | C |
Question: What mammalian class has the greatest ability to learn?
Options:
A. rats
B. apes
C. reptiles
D. humans | D |
Question: What is the part of the cardiovascular system that carries oxygen-rich blood away from the heart, to the body, and returns oxygen-poor blood back to the heart?
Options:
A. systemic circulation
B. molecular circulation
C. peripheral nervous system
D. somatic system | A |
Question: What causes polarization in a neutral object?
Options:
A. combining of charges
B. signaling of charges
C. separation of charges
D. meaning of charges | C |
Question: Cells in blood include red blood cells, white blood cells, and what?
Options:
A. protons
B. plasmids
C. platelets
D. droplets | C |
Question: What substance is created when a copper turns from reddish brown to greenish brown?
Options:
A. rust
B. copper oxide
C. copper alloy
D. iron oxide | B |
Question: The egg shell membrane encloses the nucleus containing the genetic material and what?
Options:
A. cytoplasm
B. exoskeleton
C. cerebellum
D. enamel | A |
Question: According to dalton's law, unless they chemically react with each other, individual gases in a mixture of gases do not affect each other’s what?
Options:
A. pressure
B. weight
C. mass
D. density | A |
Question: How many mass distinctions have radically altered the history of life?
Options:
A. five
B. four
C. six
D. one | A |
Question: The vector sum of all the torques acting on an object is called what?
Options:
A. peak capacity
B. net torque
C. torque load
D. homeostasis | B |
Question: What determines how strongly an atom attracts electrons to itself?
Options:
A. ionization
B. electronegativity
C. enthalpy
D. gravity | B |
Question: Looking directly at what celestial object can cause blindness?
Options:
A. Haley's Comet
B. sun
C. earth
D. Moon | B |
Question: The amount of kinetic energy in a moving object depends directly on what two factors?
Options:
A. mass and velocity
B. inertia and momentum
C. revolution and velocity
D. gravity and weight | A |
Question: What is the movement of fluid out of the capillaries called?
Options:
A. absorption
B. filtration
C. diffusion
D. osmosis | B |
Question: The prevalence of cervical cancer in the united states is very low because of regular screening exams called what?
Options:
A. pap smears
B. mammograms
C. prostates exams
D. Stavros smears | A |
Question: There is a predictable amount of solute that can be dissolved at what?
Options:
A. flat rate
B. specific temperature
C. room temperature
D. light speed | B |
Question: Carrier proteins bind and carry the molecules across what cell structure?
Options:
A. nucleus
B. cell membrane
C. plastid
D. cell wall | B |
Question: As per hutton's unconformity, what happened to the intermediate layers of rock?
Options:
A. they expanded
B. they eroded away
C. they fused
D. they metamorphized | B |
Question: What kind of summers do humid continental climates have?
Options:
A. warm summers
B. wet summers
C. cold summers
D. dry summers | C |
Question: Compared to others, what type of liquid has a relatively high surface tension and heat capacity?
Options:
A. wine
B. oil
C. blood
D. water | D |
Question: Cilia and flagella are extensions of what?
Options:
A. cell nucleus
B. cell wall
C. protoplasm
D. plasma membrane | D |
Question: Mercury and lead, which was once widely used in paint and gasoline, are examples of what type of metals?
Options:
A. alloys
B. toxic heavy metals
C. sulfuric heavy metals
D. gaseous heavy metals | B |
Question: During karyogamy, the haploid nuclei contributed by the two parents fuse, which produces what?
Options:
A. cancer cells
B. arisen cells
C. diploid cells
D. mutated cells | C |
Question: What is polyisoprene better known as?
Options:
A. rubber
B. styrofoam
C. rayon
D. silicon | A |
Question: Every chemical reaction occurs with a concurrent change in what?
Options:
A. neutrons
B. hydrogen
C. mass
D. energy | D |
Question: What receives blood in the heart?
Options:
A. the atria
B. chamber
C. ventricle
D. the epidermis | A |
Question: Fatty acids, triglycerides, phospholipids, and steroids are examples of what?
Options:
A. tissues
B. lipids
C. proteins
D. enzymes | B |
Question: Where in the cell does photosynthesis occur?
Options:
A. genome
B. cell wall
C. chloroplast
D. pathogen | C |
Question: Sympathetic stimulation also triggers the release of epinephrine and norepinephrine, which enhance both cardiac output and what else?
Options:
A. digestion
B. vasoconstriction
C. vasodilation
D. inhibition | B |
Question: Not surprisingly, centipedes, millipedes and other members of the subphylum myriapoda are adapted to living on what?
Options:
A. tree
B. land
C. sand
D. water | B |
Question: What are found in moist forests that break down decaying plant material?
Options:
A. spirogyra
B. trichina
C. myriapoda
D. organism | C |
Question: By breaking down wastes and remains of dead organisms, decomposers perform what function in an ecosystem?
Options:
A. symbiosis
B. recycling
C. reproduction
D. collecting | B |
Question: What are sugars broken down into in your digestive system?
Options:
A. starch
B. insulin
C. nicotine
D. glucose | D |
Question: Approximately how many weeks does the fetal period last?
Options:
A. 10 weeks
B. 25 weeks
C. 27 weeks
D. 30 weeks | D |
Question: Because dizygotic twins develop from two eggs fertilized by two sperm, they are no more identical than siblings born at what?
Options:
A. other eras
B. different places
C. other times of day
D. different times | D |
Question: What is the plasma membrane mainly composed of?
Options:
A. filaments
B. carbon
C. antibodies
D. phospholipids | D |
Question: Astronomers have wondered if the universe is expanding fast enough to escape the pull of what?
Options:
A. gravity
B. light
C. kinetic energy
D. Coreolis effect | A |
Question: When someone falls, the kinetic energy the person has upon reaching the floor is the amount of what energy lost by falling through height?
Options:
A. gravitational energy
B. thermal energy
C. nuclear energy
D. potential energy | D |
Question: What are protons and neutrons that make up the nucleus of an atom called?
Options:
A. nucleons
B. pions
C. baryons
D. electron shells | A |
Question: The sun, stars, moon, planets and comets are all type of what objects?
Options:
A. spacial
B. universal
C. extraterrestrial
D. celestrial | D |
Question: What is the total number of codons?
Options:
A. 45
B. 51
C. 68
D. 64 | D |
Question: Solution nodes and antinodes are both areas of wave interference, but they differ in the presence of what condition?
Options:
A. radiation
B. gravity
C. motion
D. speed | C |
Question: While similar to insects, what eight-legged invertebrates lack antennae or wings?
Options:
A. reptiles
B. arachnids
C. spiders
D. crustaceans | B |
Question: How many chromosomes do mature gametes contain?
Options:
A. 23
B. 17
C. 13
D. 19 | A |
Question: What is the term for land that has permanently frozen soil?
Options:
A. snow-field
B. permafrost
C. ice desert
D. Arctic | B |
Question: When sparks from a steel grinder react with oxygen, what do they form?
Options:
A. iron oxide
B. rust
C. spontaneous combustion
D. steel oxide | A |
Question: What should you learn that allows you to recognize and avoid the dangers of specific hazards when experimenting, such as flames or broken glass?
Options:
A. first aid safety symbols
B. lab safety symbols
C. medical safety symbols
D. available safety symbols | B |
Question: Motor vehicles account for almost half of the consumption of what?
Options:
A. fossil fuel
B. greenhouse gases
C. electricity
D. hydrocarbon | A |
Question: Bacterial stis can be cured with what?
Options:
A. antibiotics
B. antiviral drugs
C. antioxidants
D. pesticides | A |
Question: Fats are also called triacylglycerols or triglycerides because of their what?
Options:
A. elemental type
B. atomic number
C. chemical structure
D. chemical weight | C |
Question: What mammalian structure allows the exchange of gases, nutrients, and other substances between the fetus and mother?
Options:
A. uterus
B. mitochondria
C. notochord
D. placenta | D |
Question: Fossil fuel consumption is a major contributor to global emissions of what gas?
Options:
A. carbon monoxide
B. oxygen
C. carbon dioxide
D. methane | C |
Question: What is the main function of blood?
Options:
A. digestion
B. excretion of waste
C. to transport
D. respiration | C |
Question: Biotechnology is the use of biological agents for technological advancement. what two areas are the primary applications of this technology used?
Options:
A. medicine and agriculture
B. medicine and architecture
C. medicine and psychology
D. medicine and philosophy | A |
Question: Unlike free-living species of flatworms that are predators or scavengers, what forms feed from the tissues of their hosts?
Options:
A. aquatic
B. mutualistic
C. herbiverous
D. parasitic | D |
Question: When heat flows into an object, its thermal energy increases and so does its what?
Options:
A. speed
B. matter
C. color
D. temperature | D |
Question: What are telescopes that use lenses to bend light called?
Options:
A. sliding telescopes
B. reflecting telescopes
C. refracting telescopes
D. layering telescopes | C |
Question: The science of analyzing tree rings is called what?
Options:
A. algorithms
B. conservation
C. dendrochronology
D. estradiol | C |
Question: Which type of arthritis causes the immune system to attack joints?
Options:
A. Osteoarthritis
B. Gout
C. Spondylarthropathies
D. rheumatoid | D |
Question: A species is a subdivision of a genus in what classification system?
Options:
A. crocodilian system
B. calcareous system
C. mammalian
D. linnaean system | D |
Question: What is the force that pulls particles at the exposed surface of a liquid toward other liquid particles called?
Options:
A. conservative tension
B. surface tension
C. shinking tension
D. transfer tension | B |
Question: What state is achieved when the body's internal environment is kept more-or-less constant?
Options:
A. cancerous
B. consciousness
C. hypothesis
D. homeostasis | D |
Question: Kinetic and potential are two forms of what?
Options:
A. exercise
B. energy
C. fuel
D. pressure | B |
Question: Humans are unique in their ability to alter their environment with the conscious purpose of increasing what, which acts as a limiting factor on populations in general?
Options:
A. density dependent limitation
B. niche
C. containing capacity
D. carrying capacity | D |
Question: A desmosome is a cell structure that anchors the ends of what fibers together?
Options:
A. skeletal muscle
B. cardiac muscle
C. controllable muscle
D. smooth muscle | B |
Question: How much space a surface covers is known as what?
Options:
A. Flatness
B. area
C. Height
D. Lenght | B |
Question: What do aquatic arthropods use to exchange gases?
Options:
A. gills
B. lungs
C. diaphragm
D. pores | A |
Question: What kind of rays can travel thousands of meters through air and can penetrate and damage cells deep inside the body?
Options:
A. plasma rays
B. gamma rays
C. x-rays
D. cosmic rays | B |
Question: Of the three types of skeleton designs - hydrostatic skeletons, exoskeletons, and endoskeletons - which do humans possess?
Options:
A. endoskeleton
B. none of the above
C. hydrostatic skeleton
D. exoskeleton | A |
Question: What regulates homeostasis and basic survival behaviors?
Options:
A. hippocampus
B. mitosis
C. cell membrane
D. hypothalamus | D |
Question: What device changes kinetic energy to electrical energy through electromagnetic induction?
Options:
A. electric generator
B. real generator
C. Emission generator
D. due generator | A |
Question: What are two nonliving things that all living things need for survival?
Options:
A. water and air
B. calcium
C. methane
D. sunlight | A |
Question: The fight or flight response involves what system?
Options:
A. cellular nervous system
B. autonomic nervous system
C. functional nervous system
D. voluntary nervous system | B |
Question: How many types of galaxies are there?
Options:
A. two
B. five
C. one
D. three | D |
Question: Skin color is controlled by genes but also influenced by exposure to what?
Options:
A. makeup
B. food
C. sunlight
D. precipitation | C |
Question: Higher temperatures increase the rate of reaction in a lot of chemical reactions because they increase the frequency of what interaction between reactant particles?
Options:
A. explosions
B. waves
C. electric
D. collisions | D |
Question: Knees and elbows are examples of what part of the skeletal system?
Options:
A. nerves
B. cartilage
C. joints
D. muscles | C |
Question: Einstein’s equation helps scientists understand what happens in nuclear reactions and why they produce so much what?
Options:
A. light
B. energy
C. food
D. hydrogen | B |
Question: Ovulation is the release of an egg from the what?
Options:
A. fallopian tubes
B. cervix
C. ovary
D. vagina | C |
Question: The process in which the nucleus divides is called what?
Options:
A. meiosis
B. mitosis
C. epistasis
D. cytokinesis | B |
Question: What is used to recrystallize excess dissolved solute in a supersaturated solution?
Options:
A. energy crystal
B. fertilizer crystal
C. seed crystal
D. starter crystal | C |
Question: Our bodies use what, primarily in the form of glucose, for our immediate energy needs - although they are not as energy dense or capable of long-term storage as lipids?
Options:
A. proteins
B. carbohydrates
C. enzymes
D. electrolytes | B |
Question: What part of the body do ants use to detect chemicals?
Options:
A. antennae
B. thorax
C. fins
D. eyes | A |
Question: Water has the properties of cohesion and what else?
Options:
A. degradation
B. absorption
C. adhesion
D. diffusion | C |
Question: Fitness and natural selection are parts of what theory that might describe how organisms change over time?
Options:
A. dessication
B. implementation
C. gravity
D. evolution | D |
Question: What three forces are involved in erosion?
Options:
A. water, temperature, altitude
B. water, wind, gravity
C. radiation, gravity, precipitation
D. heat, pressure, gravity | B |
Question: Thermodynamics do not give us any insight into what attribute of spontaneous processes?
Options:
A. rate
B. decrease
C. acceleration
D. increase | A |
Question: What is the main source of hydrocarbons?
Options:
A. greenhouse gases
B. photosynthesis
C. fossil fuels
D. decomposers | C |
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