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null | Question: In certain populations, some of the chromosomes have become what?
Options:
A. fused
B. elongated
C. dissolved
D. composed
Answer: | A |
null | Question: Where is the pituitary gland?
Options:
A. heart
B. thyroid
C. lung
D. brain
Answer: | D |
null | Question: Which part of the axon has a higher membrane potential?
Options:
A. canals hillock
B. biofilm hillock
C. muscular hillock
D. axon hillock
Answer: | D |
null | Question: The penis, testes and epididymes are structures in what male anatomical system?
Options:
A. immune
B. reproductive
C. endocrine
D. protective
Answer: | B |
null | Question: The turbine of a windmill spins and creates what?
Options:
A. lightning
B. grains
C. pollution
D. electricity
Answer: | D |
null | Question: What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns?
Options:
A. gray matter
B. dark matter
C. wet matter
D. bright matter
Answer: | A |
null | Question: For a given amount of solute, do smaller particles have a greater or lesser surface area?
Options:
A. equal
B. greater
C. lesser
D. neither
Answer: | B |
null | Question: Name the plant considered to be the ancestor of plants?
Options:
A. ferns
B. green algae
C. grass
D. brown algae
Answer: | B |
null | Question: How many protons do all atoms of a particular element have in their nuclei?
Options:
A. varying number
B. three
C. same number
D. zero
Answer: | C |
null | Question: Objects moving at different speeds, in different directions have different what?
Options:
A. vibrations
B. velocities
C. protons
D. electrons
Answer: | B |
null | Question: What is an example of a metaloid element?
Options:
A. fluorine
B. argon
C. silicon
D. chlorine
Answer: | C |
null | Question: The energy for an ecosystem can come from sunlight or _________?
Options:
A. rain
B. radiation compounds
C. fossil fuels
D. chemical compounds
Answer: | D |
null | Question: What do mammals have under the skin to help insulate the body?
Options:
A. a layer of fat
B. nerve cells
C. bone
D. cartilage
Answer: | A |
null | Question: Soil erosion is a natural process, but what can increase it unnaturally?
Options:
A. human activities
B. animal activies
C. volcanic eruption
D. human preservation
Answer: | A |
null | Question: A comparison of the human arm with a bat's wing demonstrates what principle of biology?
Options:
A. form follows function
B. motion follows function
C. attachment follows function
D. size follows function
Answer: | A |
null | Question: The name of a simple covalent compound can be determined from its chemical this?
Options:
A. models
B. configuration
C. formula
D. map
Answer: | C |
null | Question: Which are the three most important temperature scales?
Options:
A. thermoelectric , celsius , kelvin
B. fahrenheit, celsius, kelvin
C. Kelvin, celcius, richter
D. temperatures , celsius , kelvin
Answer: | B |
null | Question: Which energy is momentarily stored in tendons after each leap provides a boost for the next leap?
Options:
A. alternating
B. kinetic
C. magnetic
D. thermal
Answer: | B |
null | Question: What structure passes oxygen and nutrients to a growing fetus in mammals?
Options:
A. vas deferens
B. placenta
C. spinal cord
D. uterus
Answer: | B |
null | Question: Compounds containing which element are the basis of all known life?
Options:
A. hydrogen
B. helium
C. oxygen
D. carbon
Answer: | D |
null | Question: What do we call the locations where electrons are likely to be located around the nucleus?
Options:
A. cores
B. radials
C. orbitals
D. isotopes
Answer: | C |
null | Question: John dalton thought that what unit, which means "indivisible", could not be divided into smaller, simpler particles?
Options:
A. neutron
B. electron
C. nucleus
D. atom
Answer: | D |
null | Question: Which is the fourth planet from the sun?
Options:
A. mars
B. mars
C. jupiter
D. earth
Answer: | A |
null | Question: The heat capacity of an object depends on its chemical composition and what other property?
Options:
A. concentrations
B. weight
C. volume
D. mass
Answer: | D |
null | Question: Homologous chromosomes move toward what poles?
Options:
A. opposite
B. octogonal
C. interior
D. parallel
Answer: | A |
null | Question: What is the largest cartilaginous fish?
Options:
A. sturgeon
B. whale shark
C. dolphin
D. blue whale
Answer: | B |
null | Question: What consists of one or two closed loops through which current can flow?
Options:
A. magnetic poles
B. electric circuit
C. cooling circuit
D. thermal reaction
Answer: | B |
null | Question: When a liquid is heated, molecules with enough kinetic energy escape the liquid and become what?
Options:
A. atoms
B. vapor
C. solid
D. invisible
Answer: | B |
null | Question: What system protects the soft organs of the body?
Options:
A. digestive system
B. nervous system
C. Cardiovascular system
D. skeletal system
Answer: | D |
null | Question: What is the only mechanism that consistently causes adaptive evolution?
Options:
A. neutral selection
B. genetic drift
C. artificial selection
D. natural selection
Answer: | D |
null | Question: The neck of the uterus, called the cervix, opens into what?
Options:
A. vagina
B. testicle
C. bladder
D. retina
Answer: | A |
null | Question: Dentists occasionally use metallic mixtures called amalgams for what?
Options:
A. braces
B. tools
C. anesthesia
D. fillings
Answer: | D |
null | Question: What makes up the mass number of an atom?
Options:
A. electrons and neutrons
B. atoms and neutrons
C. molecules and electrons
D. protons and neutrons
Answer: | D |
null | Question: What is the term for sediment deposited by a glacier?
Options:
A. holocene
B. plateau
C. crater
D. moraine
Answer: | D |
null | Question: Average speed is equal to distance divided by what?
Options:
A. time
B. weight
C. magnitude
D. height
Answer: | A |
null | Question: Boyle discovered that what property of a gas is inversely proportional to its volume?
Options:
A. pressure
B. amount
C. mass
D. temperature
Answer: | A |
null | 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. electrolysis
D. electromagnetism
Answer: | A |
null | Question: After cell division what are the two new cells called?
Options:
A. step cells
B. offspring cells
C. daughter cells
D. production cells
Answer: | C |
null | Question: Angiosperms are also known as what?
Options:
A. dry plants
B. dead plants
C. flowering plants
D. uncommon plants
Answer: | C |
null | Question: What force pulls object downwards to the earth?
Options:
A. motion
B. gravity
C. momentum
D. kinetic energy
Answer: | B |
null | Question: What forms when water vapor condenses around particles in the air?
Options:
A. humididty
B. storms
C. clouds
D. wind
Answer: | C |
null | Question: The name of a spinal cord region corresponds to the level at which spinal nerves pass through the what?
Options:
A. notochord
B. synovial fluid
C. lumbar foramina
D. intervertebral foramina
Answer: | D |
null | Question: What term is used to describe the electrostatic process used by most copy machines?
Options:
A. microphotography
B. xerography
C. titanomachy
D. electrography
Answer: | B |
null | Question: The evaporative loss of the most energetic water molecules does what to a surface?
Options:
A. heats it
B. cools it
C. charges it
D. vents it
Answer: | B |
null | Question: What are the two groups that tripoblastic eucoelomates can be divided into based on early embryonic development differences?
Options:
A. odontoblasts and deuterostomes
B. protostomes and deuterostomes
C. heterodimers and deuterostomes
D. protostomes and eurostomes
Answer: | B |
null | Question: In the past, biologists grouped living organisms into five kingdoms: animals, plants, fungi, protists, and what?
Options:
A. trees
B. lizards
C. pathogens
D. bacteria
Answer: | D |
null | Question: What are ionic compounds that produce hydroxide ions when dissolved in water?
Options:
A. acids
B. isotopes
C. bases
D. enzymes
Answer: | C |
null | Question: What term is used to describe the total spread of values in a sample?
Options:
A. scale
B. axis
C. variety
D. range
Answer: | D |
null | Question: What is categorized by the forces holding the individual atoms, ions, or molecules together?
Options:
A. oils
B. gases
C. solids
D. liquids
Answer: | C |
null | Question: Light reactions occur during which stage of photosynthesis?
Options:
A. intermediate stage
B. first stage
C. final stage
D. third stage
Answer: | B |
null | Question: Although they are as different as deserts and wetlands, all of these ecosystem units have populations of interacting species?
Options:
A. continents
B. zoos
C. corals
D. biomes
Answer: | D |
null | Question: Food chains and what describe the transfer of energy within an ecosystem, from one organism to another?
Options:
A. fuel webs
B. the webs
C. food webs
D. spider webs
Answer: | C |
null | Question: What is the study of the similarities and differences in the embryos of different species?
Options:
A. example embryology
B. comparative embryology
C. diversified embryology
D. prenatal biology
Answer: | B |
null | Question: What biome is located between the temperate and tropical biomes?
Options:
A. mountainous
B. Desert
C. Tropical
D. subtropical
Answer: | D |
null | Question: Which proteins bind to the surfaces of microorganisms and are particularly attracted to pathogens that are already tagged by the adaptive immune system?
Options:
A. complement proteins
B. mobilize proteins
C. whereby proteins
D. attractive proteins
Answer: | A |
null | Question: The fundamental unit of time, the second, is based on what type of clock?
Options:
A. atomic clock
B. gravity clock
C. quantum clock
D. eternal clock
Answer: | A |
null | Question: Frogs and toads have long back legs which are specialized for what action?
Options:
A. sprinting
B. jumping
C. flying
D. swimming
Answer: | B |
null | Question: Reducing the production of what gas, or removing it from the air, are practices that could reduce global warming?
Options:
A. hydrogen
B. oxygen
C. carbon dioxide
D. helium
Answer: | C |
null | Question: What prevents soil erosion on a hillside that is being farmed?
Options:
A. irrigation
B. slash-and-burn
C. no-till farming
D. terracing
Answer: | D |
null | Question: Catenulids typically reproduce asexually by budding where?
Options:
A. their posterior end
B. their anterior end
C. their neuronal end
D. their analogous end
Answer: | A |
null | Question: Radioactive decay can give off energy and what else?
Options:
A. particles
B. light
C. ions
D. atoms
Answer: | A |
null | Question: Which virus causes cold sores?
Options:
A. herpes virus
B. microbes virus
C. stilts virus
D. flu virus
Answer: | A |
null | Question: The full range of wavelengths and frequencies of electromagnetic radiation make up the ____________
Options:
A. electromagnetic spectrum
B. electronic spectrum
C. anomalous spectrum
D. mechanical spectrum
Answer: | A |
null | Question: Like other bryophytes, moss plants spend most of their life cycle as what?
Options:
A. zygotes
B. protozoa
C. copepods
D. gametophytes
Answer: | D |
null | Question: Energy cannot be created or destroyed - it can only change what?
Options:
A. kind
B. form
C. fluid
D. shape
Answer: | B |
null | Question: All matter is composed of tiny indivisible particles called atoms. all atoms of an element are identical in mass and this?
Options:
A. electrical properties
B. acid properties
C. chemical properties
D. liquid properties
Answer: | C |
null | Question: Distinct from a suspension, a solution is considered what type of mixture?
Options:
A. heterogeneous
B. continuous
C. homogeneous
D. gaseous
Answer: | C |
null | Question: Slabs of continents moving around on earth's surface is called what?
Options:
A. fault tectonics
B. edge tectonics
C. plate tectonics
D. crator tectonics
Answer: | C |
null | Question: Each female of a particular species can produce millions of these per year?
Options:
A. eggs
B. seeds
C. sperms
D. fetuses
Answer: | A |
null | Question: What is the process in which a liquid changes to a solid?
Options:
A. condensation
B. boiling
C. freezing
D. melting
Answer: | C |
null | Question: Where does the purple color in quartz come from?
Options:
A. iron
B. dirt
C. bronze
D. aluminum
Answer: | A |
null | 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. potential energy
D. nuclear energy
Answer: | C |
null | Question: What abbreviated form refers to oxidation-reduction reactions, which are part of respiration and photosynthesis?
Options:
A. oxid reactions
B. morph reactions
C. redox reactions
D. reflex reactions
Answer: | C |
null | Question: What process does not cause a rock to melt completely, instead causing the minerals to change by heat or pressure?
Options:
A. sedimentation
B. metamorphism
C. oxidation
D. igneous extrusion
Answer: | B |
null | Question: What is the relationship of multiple action potentials from a single cell resulting in a significant change in the membrane potential?
Options:
A. temporal summation
B. nature summation
C. distinct summation
D. bipolar summation
Answer: | A |
null | Question: Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures?
Options:
A. carbohydrates
B. neurons
C. enzymes
D. hormones
Answer: | C |
null | Question: What important organelle (that would otherwise be centrally located and crucial to the cell's survival) do prokaryotic cells lack?
Options:
A. molecules
B. nucleus
C. electrons
D. protons
Answer: | B |
null | Question: Diffusion can occur across a semipermeable membrane, such as the cell membrane, as long as a what exists?
Options:
A. concentration gradient
B. polarity
C. parity
D. differential
Answer: | A |
null | Question: Which of newton's law shows that there is a direct relationship between force and acceleration?
Options:
A. second
B. first
C. third
D. none of the above
Answer: | A |
null | Question: What happens to the total energy of the system when heat is positive?
Options:
A. it increases
B. it remains constant
C. nothing
D. it decreases
Answer: | A |
null | Question: Where is the most significant connection between the cerebellum and the rest of the brain?
Options:
A. at the meninges
B. at the cerebrum
C. at the medulla oblongata
D. at the pons
Answer: | D |
null | Question: What is the permanent prevention of gamete production or release called?
Options:
A. insemination
B. restoration
C. fertilization
D. sterilization
Answer: | D |
null | Question: What do you call materials able to conduct electricity with 100% efficiency, meaning that no energy is lost during the electrical transmission?
Options:
A. super-insulators
B. electromagnets
C. poor conductors
D. superconductors
Answer: | D |
null | Question: Biomass, solar, wind, water, and geothermal power are examples of what kinds of energy resources?
Options:
A. mechanical
B. electrical
C. fossil fuel
D. renewable
Answer: | D |
null | Question: Does pressure increase or decrease when gas particles heat up?
Options:
A. decreases
B. increase
C. stagnates
D. stays constant
Answer: | B |
null | Question: Light waves differ based on their frequency and what else?
Options:
A. density
B. amplitude
C. weight
D. voltage
Answer: | B |
null | Question: A crow that becomes used to a scarecrow and lands on it is an example of what?
Options:
A. dissociation
B. assimilation
C. habituation
D. adaptation
Answer: | C |
null | Question: What is the name of the elongated bony structure that anchors the anterior thoracic cage?
Options:
A. tibia
B. collar bone
C. pelvis
D. sternum
Answer: | D |
null | Question: What is a protein containing four subunits that transports oxygen throughout the body?
Options:
A. keratin
B. collagen
C. hemoglobin
D. insulin
Answer: | C |
null | Question: What general property of an earthquake is used to describe its relative strength?
Options:
A. resonance
B. amplitude
C. latitude
D. magnitude
Answer: | D |
null | Question: What word do get from the arabic al-qili, meaning “ashes of the saltwort plant from salt marshes”?
Options:
A. metals
B. crystals
C. alkali
D. water
Answer: | C |
null | Question: Protists play critically important ecological roles as producers and, on the other end of food webs, as what?
Options:
A. dissolvers
B. probiotics
C. absorbers
D. decomposers
Answer: | D |
null | Question: Gene duplications that are able to persist over many generations without causing too much harm to an organism or species can lead to what?
Options:
A. permutations
B. characteristics
C. mutations
D. parasites
Answer: | C |
null | Question: Which phylum is made up of segmented worms such as earthworms?
Options:
A. arthropod
B. nematoda
C. chordata
D. annelida
Answer: | D |
null | Question: Europa and titan are names of what kind of celestial objects?
Options:
A. stars
B. asteroids
C. galaxies
D. moons
Answer: | D |
null | Question: What type of ecosystem do polar bears live in?
Options:
A. natural
B. arctic
C. tropical
D. oceanic
Answer: | B |
null | Question: Dragonflies were one of the first insects to do what?
Options:
A. swim
B. fight
C. fly
D. sexually reproduce
Answer: | C |
null | Question: The right side of the heart collects what type of blood from the body?
Options:
A. oxygen-rich
B. dioxide-poor
C. oxygen-poor
D. potassium-rich
Answer: | C |
null | Question: Fossil fuels and nuclear power are what type of resource?
Options:
A. reusable
B. renewable
C. nonrenewable
D. recurring
Answer: | C |
null | Question: What is the term for the steep sloped side of a sand dune?
Options:
A. slip face
B. slide face
C. break face
D. front face
Answer: | A |
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