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null | Question: Lying with their mouths open, a behavior called gaping, probably serves what function for crocodiles?
Options:
A. eating
B. sleeping
C. cooling down
D. digesting
Answer: | C |
null | Question: When a nerve impulse reaches the end of an axon, what are the chemicals released by the axon called?
Options:
A. neurotransmitters
B. receptors
C. neurons
D. electrolytes
Answer: | A |
null | Question: Many heterocyclic amines occur naturally in what?
Options:
A. gases
B. animals
C. nuclei
D. plants
Answer: | D |
null | Question: What kind of joints allow for a wide range of flexibility?
Options:
A. lever
B. anchor
C. pivot
D. ball and socket
Answer: | D |
null | Question: Melting, sublimation, and evaporation absorb what from their surroundings?
Options:
A. moisture
B. cold
C. heat
D. vibration
Answer: | C |
null | Question: What helps treat bacterial infections in people?
Options:
A. antibiotic drugs
B. vaccines
C. respiratory drugs
D. rest
Answer: | A |
null | Question: When waves are reflected at the same angle, what is it called?
Options:
A. phenomenon of reflection
B. angle of reflection
C. refraction
D. field of view
Answer: | B |
null | Question: What is the force of attraction between things that have mass
Options:
A. motion
B. gravity
C. momentum
D. friction
Answer: | B |
null | Question: What are the mineral deposits that fill in underground cracks called?
Options:
A. motherlode
B. veins
C. currents
D. cores
Answer: | B |
null | Question: Storm surge is very high water located in the low pressure eye of what?
Options:
A. hurricanes
B. eruptions
C. tornados
D. earthquakes
Answer: | A |
null | Question: What color are leukocytes blood cells?
Options:
A. white
B. black
C. red
D. blue
Answer: | A |
null | Question: What is the female reproductive structure of a flower?
Options:
A. the stamen
B. the flower
C. the pistil
D. the seed
Answer: | C |
null | Question: Which system consists of all the nervous tissue that lies outside the central nervous system?
Options:
A. auxiliary nervous system
B. cerebral cortex
C. peripheral nervous system
D. spinal cord
Answer: | C |
null | Question: What gland secretes its products directly into the urethra through several small ducts
Options:
A. prostate
B. adrenal
C. thyroid
D. pituitary
Answer: | A |
null | Question: Covalent solids are formed by networks or chains of atoms or molecules held together by what?
Options:
A. bail bonds
B. gravitational bonds
C. ionic bonds
D. covalent bonds
Answer: | D |
null | Question: What is an example of a predator-prey relationship that helps maintain the balance of organisms in ecosystems?
Options:
A. lion and grass
B. lion and zebra
C. zebra and elephant
D. zebra and air
Answer: | B |
null | Question: What adjective describes the movements that propel the feces during elimination?
Options:
A. hyperplastic
B. convulsive
C. enzymatic
D. peristaltic
Answer: | D |
null | Question: What nerves are connected to the spinal cord?
Options:
A. posterior nerves
B. spinal nerves
C. primary nerves
D. superior nerves
Answer: | B |
null | Question: During photosynthesis, what is energy from the sun converted to after entering a plant?
Options:
A. chloride
B. Proteins
C. Carbon
D. glucose
Answer: | D |
null | Question: What is the term for the loss of one or more electrons by an atom?
Options:
A. evaporation
B. oxidation
C. decomposition
D. half-life
Answer: | B |
null | Question: Most taste buds on the tongue are associated with nipple-shaped projections called what?
Options:
A. antennae
B. cilia
C. papillae
D. mucosa
Answer: | C |
null | Question: In the radiative zone, light particles called what can only travel a few millimeters before they hit another particle?
Options:
A. photons
B. neutrons
C. electrons
D. positrons
Answer: | A |
null | Question: What are the two basic types of combustion engines?
Options:
A. external and internal combustion engines
B. diesel and internal combustion
C. gas and steam
D. spark and steam
Answer: | A |
null | Question: What are telescopes that use lenses to bend light called?
Options:
A. sliding telescopes
B. layering telescopes
C. reflecting telescopes
D. refracting telescopes
Answer: | D |
null | Question: What organ do most fish have that is used to detect movement and vibration in the surrounding water?
Options:
A. operculum
B. eye
C. nares
D. lateral line
Answer: | D |
null | Question: What's the other term for your wind pipe?
Options:
A. trachea
B. esophagus
C. cornea
D. cochlea
Answer: | A |
null | Question: Which organ has a thick mucus lining that protects the underlying tissue from the action of the digestive juices?
Options:
A. stomach
B. liver
C. colon
D. spleen
Answer: | A |
null | Question: What is a molecule made up of two subunits?
Options:
A. chloride
B. dimer
C. enzyme
D. acid
Answer: | B |
null | Question: A pedigree is a chart which shows the inheritance of a trait over several what?
Options:
A. organisms
B. events
C. generations
D. centuries
Answer: | C |
null | Question: How much electricity is generated by an average car battery?
Options:
A. eight volts
B. ten volts
C. twelve volts
D. six volts
Answer: | C |
null | Question: What serves as the control center of the nervous system?
Options:
A. heart
B. bone
C. brain
D. spine
Answer: | C |
null | Question: What is the term for liquid water falling from the sky?
Options:
A. mud
B. wind
C. rain
D. fire
Answer: | C |
null | Question: What is a homogeneous mixture also known as?
Options:
A. element
B. solution
C. structure
D. mixture
Answer: | B |
null | Question: An increase in what, across the periodic table, explains why elements go from metals to metalloids and then to nonmetals?
Options:
A. electrons
B. temperature
C. neutrons
D. protons
Answer: | A |
null | Question: What system of organs delivers blood to all cells of the body?
Options:
A. integumentary
B. cardiovascular
C. respiratory
D. gastrointestinal
Answer: | B |
null | Question: Making ups about 50 percent of the modern american diet, what food group can be classified according to the number of monomers they contain of simple sugars and/or complex sugars?
Options:
A. fats
B. proteins
C. carbohydrates
D. grains
Answer: | C |
null | Question: What is the study of water movement, including waves and ocean currents?
Options:
A. experimental oceanography
B. physical oceanography
C. theoretical oceanography
D. thermal oceanography
Answer: | B |
null | Question: What type of polarization does a negative object create>
Options:
A. common polarization
B. opposite polarization
C. negative polarization
D. simple polarization
Answer: | B |
null | Question: What is the term for a test to see if a scientific explanation is right or wrong?
Options:
A. invention
B. hypothesis
C. generation
D. experiment
Answer: | D |
null | Question: What is considered to not be a form of precipitation?
Options:
A. rain
B. condensation
C. fog
D. snow
Answer: | C |
null | Question: A fully developed placenta is made up of a large mass of what?
Options:
A. estrogen hormones
B. plant cells
C. brain tissues
D. blood vessels
Answer: | D |
null | Question: The periodic table of elements is divided into what?
Options:
A. spheres
B. squares
C. patterns
D. groups
Answer: | B |
null | Question: What are the most common causes of brain injuries?
Options:
A. excessive shaking
B. lightning strikes
C. alcohol poisoning
D. falls
Answer: | D |
null | Question: The longest period of daylight hours occurs at the beginning of what season?
Options:
A. summer
B. spring
C. autumn
D. winter
Answer: | A |
null | Question: What type of masses are structureless particles that cannot spin?
Options:
A. inertial mass
B. weightless masses
C. point masses
D. turning masses
Answer: | C |
null | Question: What does burning wood release into the atmosphere?
Options:
A. oxygen
B. carbon dioxide
C. hydrogen chloride
D. helium
Answer: | B |
null | Question: One seismogram indicates the distance to the what?
Options:
A. houses
B. the moon
C. epicenter
D. researchers
Answer: | C |
null | Question: What does erosion do to pieces of broken rock?
Options:
A. Cancel Them
B. lead them
C. Smooth them
D. moves them
Answer: | D |
null | Question: Motor neurons and sensory neurons are part of what nervous system?
Options:
A. peripheral
B. autonomic
C. sensory-somatic
D. central
Answer: | C |
null | Question: What term in science describes not just a guess, but a well-formed set of explanations for a phenomenon?
Options:
A. hypothesis
B. concept
C. theory
D. evolution
Answer: | C |
null | Question: What are the location where bones come together?
Options:
A. joints
B. Knees
C. muscles
D. fingers
Answer: | A |
null | Question: What is the percentage of production transferred from one trophic level to the next
Options:
A. hypothesized efficiency
B. trophic efficiency
C. underlie efficiency
D. robust efficiency
Answer: | B |
null | Question: Do nonvascular or vascular plants have a dominant sporophyte generation?
Options:
A. deciduous
B. perennial
C. vascular
D. nonvascular
Answer: | C |
null | Question: In our wildflower population, the pool of what remains constant from one generation to the next?
Options:
A. genes
B. genomes
C. DNA
D. eggs
Answer: | A |
null | Question: Not all cells of a leaf carry out photosynthesis. cells within the middle layer of a leaf have chloroplasts, which contain the photosynthetic what?
Options:
A. apparatus
B. structure
C. wires
D. pipes
Answer: | A |
null | Question: What is an estimation of all of the organic matter available as food, and involves measuring biomass in terrestrial environments?
Options:
A. food chain
B. net primary productivity
C. decomposition energy
D. trophic level total
Answer: | B |
null | Question: The diversity of life on earth today is the result of what?
Options:
A. spontaneous mutation
B. generation
C. mass extinction
D. evolution
Answer: | D |
null | Question: Which type of substance is considered a proton donor in a reaction?
Options:
A. oxygen
B. base
C. carbon
D. acid
Answer: | D |
null | 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. pollution
B. light
C. electricity
D. sound
Answer: | C |
null | Question: What cycle vital to plants includes a process called denitrification?
Options:
A. carbon cycle
B. sedimentation cycle
C. photosynthesis
D. nitrogen cycle
Answer: | D |
null | Question: What do you call the force a machine applies to an object?
Options:
A. drop force
B. optimal force
C. premium force
D. output force
Answer: | D |
null | Question: What term means the time in which half of the original number of radioactive nuclei in a sample decay?
Options:
A. partial-life
B. quarter-life
C. half-life
D. reduced life
Answer: | C |
null | Question: Type 1 diabetes results in the pancreas not being able to make what ?
Options:
A. insulin
B. glucose
C. hemoglobin
D. sugar
Answer: | A |
null | 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. osmosis
B. electrolysis
C. glycolysis
D. hemostasis
Answer: | A |
null | Question: Organophosphates typically interfere with nerve signal transmission by inhibiting the enzymes that degrade what?
Options:
A. protein molecules
B. prototype molecules
C. transmitter molecules
D. potassium molecules
Answer: | C |
null | Question: What are the elements of group 17 (fluorine, chlorine, bromine, iodine, and astatine) called?
Options:
A. liquids
B. metals
C. halogens
D. antioxidants
Answer: | C |
null | Question: What is the distance north or south of the equator called?
Options:
A. latitude
B. longitude
C. circumference
D. elevation
Answer: | A |
null | Question: What type of work called occurs when a system pushes back the surroundings against a restraining pressure?
Options:
A. contrast work
B. shape work
C. retention work
D. expansion work
Answer: | D |
null | Question: What type of tissue makes up much of the inside of a plant?
Options:
A. ground tissue
B. leaf tissue
C. stem tissue
D. working tissue
Answer: | A |
null | Question: Unevenness or asymmetry in the focus of the eye describes what visual defect?
Options:
A. presbyopia
B. astigmatism
C. myopia
D. hyperopia
Answer: | B |
null | Question: What do metals typically lose to achieve stability?
Options:
A. molecules
B. ions
C. atoms
D. electrons
Answer: | D |
null | Question: Which gas moves from the blood in the capillaries into the air?
Options:
A. nitrogen
B. carbon dioxide
C. oxygen
D. carbon monoxide
Answer: | B |
null | Question: How does carbon dioxide chemically weather rocks?
Options:
A. by creating proteins
B. by creating acids
C. by creating heat
D. by creating water
Answer: | B |
null | Question: Misconceptions about what theory contribute to the controversy that still surrounds this fundamental principle of biology?
Options:
A. theory of evolution
B. darwin on evolution
C. cycle of evolution
D. brain of evolution
Answer: | A |
null | Question: What is the creation of a new species called?
Options:
A. evolution
B. speciation
C. mutation
D. synthesis
Answer: | B |
null | Question: What is the boiling and freezing point of water in celcius?
Options:
A. 100 degrees c and 32 degrees c
B. 212 degrees c and 32 degrees c
C. 100 degrees c and 0 degrees c
D. 212 degrees c and 0 degrees c
Answer: | C |
null | Question: Latitude, humidity, and elevation affect the type of what, a term for a large naturally occurring community?
Options:
A. biome
B. climate
C. territory
D. ecosystem
Answer: | A |
null | Question: What is the most complex organ in the human body?
Options:
A. brain
B. muscular
C. heart
D. liver
Answer: | A |
null | Question: What are scientists called who study the weather and give forecasts?
Options:
A. botanists
B. climatologists
C. meteorologists
D. geologists
Answer: | C |
null | Question: Where do lancelets live?
Options:
A. on land
B. deep sea caves
C. riverbeds
D. shallow ocean water
Answer: | D |
null | Question: What force causes waves to topple over and break on the shore?
Options:
A. momentum
B. tension
C. vibration
D. friction
Answer: | D |
null | Question: From what do tubeworms found deep in the galapagos rift get their energy from?
Options:
A. chemosynthetic fish
B. chemosynthetic bacteria
C. chemosynthetic plants
D. chemosynthetic viruses
Answer: | B |
null | Question: What forms when oceanic crust subducts into the mantle at convergent plate boundaries?
Options:
A. tsunamis
B. coral
C. volcanic mountain ranges
D. glaciers
Answer: | C |
null | Question: Fungi cause three different types of human illness: poisonings, parasitic infections, and what?
Options:
A. diarrhea
B. diabetes
C. heart disease
D. allergies
Answer: | D |
null | Question: What do we call the lowest layer of the atmosphere?
Options:
A. asthenosphere
B. stratosphere
C. mesosphere
D. troposphere
Answer: | D |
null | Question: What is the sum total of all body reactions?
Options:
A. metabolism
B. immunity
C. respiration
D. growth
Answer: | A |
null | Question: What are chlamydia, gonorrhea, and syphilis an example of?
Options:
A. metabolic disorders
B. genetic diseases
C. viral stis
D. bacterial stis
Answer: | D |
null | Question: What are materials that can be magnetized called?
Options:
A. ferromagnetic materials
B. catalytic materials
C. Metal material
D. interstitial materials
Answer: | A |
null | Question: The rocks athe mid-ocean ridge are nearly free of what?
Options:
A. metals
B. minerals
C. scratches
D. sediment
Answer: | D |
null | Question: Where are liverworts most often found?
Options:
A. in deserts
B. on mountains
C. in the ocean
D. along stream beds
Answer: | D |
null | Question: What is the diffusion of water molecules across a semipermeable membrane?
Options:
A. osmosis
B. organelle motion
C. active transport
D. electrolysis
Answer: | A |
null | Question: Which other planet in the solar system is the easiest to observe from earth?
Options:
A. Mercury
B. Jupiter
C. Pluto
D. mars
Answer: | D |
null | Question: Many protists form what kind of beneficial association with other species?
Options:
A. Facultative
B. Opportunistic
C. symbiotic
D. evolved
Answer: | C |
null | Question: What is it called when a new species arises without geographic separation?
Options:
A. Allopatric speciation
B. sympatric speciation
C. quantum speciation
D. spontaneous evolution
Answer: | B |
null | Question: The ovaries produce estradiol and progesterone, which cause secondary sex characteristics and prepare the body for?
Options:
A. childbirth
B. movement
C. breathing
D. adulthood
Answer: | A |
null | Question: With codominance, both alleles are expressed equally in what?
Options:
A. heterozygotes
B. prokaryotes
C. gametes
D. homozygotes
Answer: | A |
null | Question: Initial substances are called reactants, and the final substances are called what?
Options:
A. imports
B. exports
C. products
D. reactors
Answer: | C |
null | Question: Prokaryotic cells have a cell wall located outside of the __________?
Options:
A. chromosomes
B. plasma membrane
C. chloroplasts
D. epidermis
Answer: | B |
null | Question: What are the two types of photoreceptors in the retina?
Options:
A. images and cones
B. rods and cones
C. circles and cones
D. holes and cones
Answer: | B |
null | Question: Photoautotrophs and chemoautotrophs are two basic types of what?
Options:
A. autotrophs
B. plants
C. consumers
D. decomposers
Answer: | A |
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