subject
float64 | question
stringlengths 78
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|---|---|---|
null | Question: What compound has positive and negative ions?
Options:
A. ionic
B. covalent
C. hydrocarbon
D. protein
Answer: | A |
null | Question: What are a group of protists whose monophyly is well supported by molecular systematics?
Options:
A. sporozoans
B. mycetozoa
C. alveolates
D. euglenozoa
Answer: | C |
null | Question: The nephron is the functional unit of what pair of organs?
Options:
A. ribs
B. eyes
C. lungs
D. kidneys
Answer: | D |
null | Question: What is the air that remains after a forced exhalation called?
Options:
A. abundant volume
B. kinetic volume
C. residual volume
D. remaining volume
Answer: | C |
null | Question: What is the first step in the breakdown of glucose to extract energy for cellular metabolism?
Options:
A. photosynthesis
B. glycolysis
C. mitosis
D. mutation
Answer: | B |
null | Question: For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of what?
Options:
A. stem
B. leaf
C. root
D. flower
Answer: | D |
null | Question: What do you call prokaryotes that do not need oxygen for respiration?
Options:
A. aerobic
B. chloroflexus
C. enzymatic
D. anaerobic
Answer: | D |
null | Question: What happens when heated water is released into a body of water?
Options:
A. gaseous pollution
B. geysers
C. crystalline pollution
D. thermal pollution
Answer: | D |
null | Question: What kind of charge does a neutron have?
Options:
A. negative
B. positive
C. neutral
D. static
Answer: | C |
null | Question: Where do mushrooms get their energy?
Options:
A. producing dead organisms
B. decomposing dead organisms
C. accumulating dead organisms
D. killing organisms
Answer: | B |
null | Question: Protons and neutrons are located in which central part of the atom?
Options:
A. radius
B. nucleus
C. nucleolus
D. shell
Answer: | B |
null | Question: By the year 2050, 25 percent of the population of the united states will be 60 years of age or older. the cdc estimates that 80 percent of those 60 years and older have one or more chronic disease associated with deficiencies of this?
Options:
A. cardiovascular system
B. immune system
C. respiratory system
D. blood vessels
Answer: | B |
null | Question: What do you call a predator species that affects other species' populations when its own population size changes?
Options:
A. keystone species
B. symbiotic species
C. paradox species
D. complement species
Answer: | A |
null | Question: Without particles, water vapor could not do what?
Options:
A. dilute
B. evaporate
C. condense
D. dissipate
Answer: | C |
null | Question: What is the name of the type of combustion engine that you would find in a car?
Options:
A. internal modern engine
B. internal combustion engine
C. internal vapor engine
D. internal oxide engine
Answer: | B |
null | Question: What is the process that breaks down rocks into smaller pieces?
Options:
A. erosion
B. bracing
C. weathering
D. bleaching
Answer: | C |
null | Question: What develops into embryos inside seeds, from which the next sporophyte generation grows?
Options:
A. zygotes
B. secretions
C. pupa
D. buds
Answer: | A |
null | Question: What secretion initiates chemical digestion while also protecting the oral cavity?
Options:
A. saliva
B. stomach acid
C. mucus
D. lymph
Answer: | A |
null | Question: Protozoa are generally difficult to identify due to what?
Options:
A. their hidden shape
B. their resting shape
C. their varied shape
D. their formation shape
Answer: | C |
null | Question: What is a prerequisite for fertilization to take place in plants?
Options:
A. mitosis
B. photosynthesis
C. germination
D. pollination
Answer: | D |
null | Question: What powerful microscopes use a beam of subatomic particles instead of a beam of light?
Options:
A. nuclear microscopes
B. complex microscopes
C. scientific microscopes
D. electron microscopes
Answer: | D |
null | Question: Crowding and resource limitation can have a profound effect on the rate of what?
Options:
A. population growth
B. population stagnation
C. technology advances
D. cultural advances
Answer: | A |
null | Question: Giardia is an example of a protozoa that uses flagella for what purpose?
Options:
A. reproduction
B. nutrients
C. light
D. movement
Answer: | D |
null | Question: Which veins return oxygen-rich blood from the lungs to the heart?
Options:
A. jugular
B. pulmonary
C. varicose
D. respiratory
Answer: | B |
null | Question: In physics, work means the use of what to move an object?
Options:
A. force
B. energy
C. leverage
D. mass
Answer: | A |
null | Question: Which systems work together to provide cells with the oxygen they need for cellular respiration?
Options:
A. circulatory and digestive systems
B. muscular and lymph systems
C. respiratory and circulatory systems
D. respiratory and lymph systems
Answer: | C |
null | Question: What are interferons?
Options:
A. pathogens
B. T cells
C. cytokines
D. oncogenes
Answer: | C |
null | Question: Which factor ruins renewable resources like soil and water?
Options:
A. melancholic human action
B. careless human action
C. resentful human action
D. hateful human action
Answer: | B |
null | Question: When hit from behind in a car crash, a passenger can suffer a neck injury called what?
Options:
A. necklash
B. twisted neck
C. whiplash
D. inflammation
Answer: | C |
null | Question: Which organ breaks down amino acids and toxins that are in the blood?
Options:
A. skin
B. liver
C. small intestine
D. kidney
Answer: | B |
null | Question: Which layer of the earth is molten?
Options:
A. the outer core
B. the mantle
C. the metallic core
D. the inner core
Answer: | A |
null | Question: What is an upward force that fluids exert on any object that is placed in them?
Options:
A. buoyant force
B. warm force
C. efficient force
D. gravity force
Answer: | A |
null | Question: Like the frame of a house, what gives the cell an internal structure?
Options:
A. cytoskeleton
B. cytoplasm
C. endoskeleton
D. cellulose
Answer: | A |
null | Question: As a polycrystalline material solidifies, grains with irregular shapes form. the interfaces between grains constitute grain what?
Options:
A. patterns
B. obstacles
C. waves
D. boundaries
Answer: | D |
null | Question: Peregrine falcons made an incredible recovery after laws were passed banning the use of what?
Options:
A. ddt
B. Acetamiprid
C. miticide
D. Carbaryl
Answer: | A |
null | Question: What are seamounts that rise above the water surface called?
Options:
A. islands
B. sandbars
C. reefs
D. coasts
Answer: | A |
null | Question: The rings of what planet can be easily seen from earth?
Options:
A. Neptune
B. Venus
C. jupiter
D. saturn
Answer: | D |
null | Question: The softer connective tissue that fills the interior of most bone is referred to as what?
Options:
A. bone marrow
B. attached marrow
C. liquid marrow
D. solid marrow
Answer: | A |
null | Question: What are the only type of elements capable of changing into different elements?
Options:
A. adjacent elements
B. radioactive elements
C. metalloids
D. noble gases
Answer: | B |
null | Question: What substance causes oxidation by accepting electrons?
Options:
A. thermal agent
B. solvents
C. oxidizing agent
D. enzymes
Answer: | C |
null | Question: What does the urea cycle process?
Options:
A. calcium
B. urine
C. nitrogen
D. oxygen
Answer: | C |
null | Question: What requirement of the second circuit does the current that flows in the primary circuit depend on?
Options:
A. accumulation of current
B. amount of current
C. composition of current
D. velocity of current
Answer: | B |
null | Question: Of the three basic types of radioactive emissions, what particle is the most penetrating?
Options:
A. alpha
B. gamma
C. beta
D. neutron
Answer: | B |
null | Question: What governs motions of stars, galaxies and other celestial objects orbiting one another?
Options:
A. frictional force
B. magnetic force
C. gravitational force
D. electrical force
Answer: | C |
null | Question: Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?
Options:
A. samples
B. organs
C. faith
D. pain
Answer: | B |
null | Question: Ice cores, varves and what else indicate the environmental conditions at the time of their creation?
Options:
A. fossils
B. mountain ranges
C. tree rings
D. magma
Answer: | C |
null | Question: What are lipids' function in relation to nerves?
Options:
A. reproduction
B. conservation
C. transportation
D. protection
Answer: | D |
null | Question: What is prosopagnosia?
Options:
A. way blindness
B. time blindness
C. lack of memory
D. face blindness
Answer: | D |
null | Question: Where does chemical digestion mainly occur?
Options:
A. pancreas
B. liver
C. apendix
D. small intestine
Answer: | D |
null | Question: What is the name for a tool commonly used by molecular biologists to place genetic material into cells?
Options:
A. a viral vector
B. a embryonic vector
C. a dna vector
D. an rna vector
Answer: | A |
null | Question: What is the initial stage of scienetific investigations?
Options:
A. asking questions
B. forming hypothesis
C. making predictions
D. observation
Answer: | D |
null | Question: How do molecules react when a gas is heated?
Options:
A. they disintegrate
B. they explode
C. they move faster
D. they move slower
Answer: | C |
null | Question: Some bacteria also have tail-like structures called what?
Options:
A. flagella
B. sporangia
C. nuclei
D. plasmids
Answer: | A |
null | Question: What kind of reactions between an acid and a base yield a salt and water?
Options:
A. evaporation
B. oxidation
C. neutralization
D. distillation
Answer: | C |
null | Question: What consists of four major components: inorganic mineral matter, organic matter, water and air, and living matter?
Options:
A. color
B. nitrogen
C. rocks
D. soil
Answer: | D |
null | Question: What is the density needed to just halt universal expansion called?
Options:
A. allow density
B. critical density
C. stop density
D. instance density
Answer: | B |
null | Question: Surviving megaspores develop into what?
Options:
A. multicellular female gametophytes
B. null gametophytes
C. multicellular male gametophytes
D. singular celled female gametophytes
Answer: | A |
null | Question: What are the two types of fermentation?
Options:
A. alcoholic and alchemical
B. acetic and anhydrous
C. lactic acid and alcoholic
D. lactic acid and fermaldehyde
Answer: | C |
null | Question: What is the name of the muscle that contracts to cause the joint to straighten?
Options:
A. opposing
B. abductor
C. extensor
D. flexor
Answer: | C |
null | Question: Groundwater dissolves minerals and rocks into what?
Options:
A. gravel
B. grit
C. ions
D. sand
Answer: | C |
null | Question: What can be formed by converging light rays behind a lens, onto a piece of film?
Options:
A. a photograph
B. a mirror
C. a kaleidoscope
D. a prism
Answer: | A |
null | Question: What controls the shape of a developing zygote early in its development?
Options:
A. DNA
B. chromosomes
C. storage genes
D. gap genes
Answer: | D |
null | Question: What do fungi produce to digest nutrients?
Options:
A. amino
B. exoenzymes
C. pores
D. sporozoans
Answer: | B |
null | Question: Unipolar, bipolar, multipolar, and pseudounipolar are the four basic types of what?
Options:
A. neurons
B. electrons
C. protons
D. ions
Answer: | A |
null | Question: Much of the damage from hurricanes may be caused by?
Options:
A. wind chill
B. insurance fraud
C. storm surge
D. hail
Answer: | C |
null | Question: What term describes precipitation that flows over the surface of the land?
Options:
A. waves
B. runoff
C. flood
D. erosion
Answer: | B |
null | Question: What type of climates are found around the equator?
Options:
A. arctics
B. tropical
C. arid
D. tundras
Answer: | B |
null | Question: The values of strangeness assigned to various particles are based on what?
Options:
A. atomic mass
B. thermal energy
C. decay systematics
D. penetration potential
Answer: | C |
null | Question: What are ring-shaped hydrocarbons called?
Options:
A. cylindrical hydrocarbons
B. curved hydrocarbons
C. reverse hydrocarbons
D. cyclic hydrocarbons
Answer: | D |
null | Question: What is calculated by subtracting the smallest value from the largest value?
Options:
A. the sample
B. the median
C. the density
D. the range
Answer: | D |
null | Question: What type of distance is caused by the force you apply to a machine over a given distance?
Options:
A. input distance
B. accumulation distance
C. response distance
D. force distance
Answer: | A |
null | Question: What term describes the energy of an object that is moving or has the potential to move?
Options:
A. stationary energy
B. molecular energy
C. mechanical energy
D. thermal energy
Answer: | C |
null | Question: Earth goes through regular changes in its position relative to?
Options:
A. the moon
B. mars
C. saturn
D. the sun
Answer: | D |
null | Question: Most plants grow continuously, except for what periods?
Options:
A. mutant
B. winter
C. abnormal
D. dormant
Answer: | D |
null | Question: When do gases and liquids become solids?
Options:
A. at relative temperatures
B. at low temperatures
C. at hot temperatures
D. at high temperatures
Answer: | B |
null | Question: What is the term for the use of technology to treat genetic disorders or change organisms so they are more useful to people?
Options:
A. nanotechnology
B. biology
C. biotechnology
D. physiology
Answer: | C |
null | Question: There are three flat skeletal muscles in the antero-lateral wall of what?
Options:
A. shoulder socket
B. abdomen
C. thoracic cavity
D. hip joint
Answer: | B |
null | Question: Interneurons carry what back and forth between sensory and motor neurons?
Options:
A. electricity
B. nerve impulses
C. sciatica
D. flux impulses
Answer: | B |
null | Question: Chemical and physical changes in a system may be accompanied by an increase or a decrease in the disorder of the system, corresponding to an increase or decrease in what?
Options:
A. vibration
B. volume
C. entropy
D. enthalpy
Answer: | C |
null | Question: Which chemist developed a process to remove carbon and dust particles in smoke?
Options:
A. roger granger
B. james carpenter
C. frederick cottrell
D. harold black
Answer: | C |
null | Question: Why do beer brewers add yeast to the wort?
Options:
A. reduce alcohol
B. increase longevity
C. add carbonation
D. to make alcohol
Answer: | D |
null | Question: A short reflex is completely what and only involves the local integration of sensory input with motor output?
Options:
A. central
B. peripheral
C. physiological
D. neuronal
Answer: | B |
null | Question: What pigment do slow fibers contain?
Options:
A. hemoglobin
B. melolin
C. iron
D. myoglobin
Answer: | D |
null | Question: What kind of reasoning involves formulating generalizations inferred from careful observation and the analysis of a large amount of data?
Options:
A. reflexive
B. inductive
C. skepticism
D. deductive
Answer: | D |
null | Question: What is our main source of aluminum ore?
Options:
A. coal
B. cobalt
C. bauxite
D. tin
Answer: | C |
null | Question: When solids change to gasses, they generally pass through what other state?
Options:
A. carbon
B. frozen
C. chemical
D. liquid
Answer: | D |
null | Question: In science, what is a bit of information that is true?
Options:
A. theory
B. a fact
C. falsehood
D. lie
Answer: | B |
null | Question: An electron possesses both particle and these?
Options:
A. land properties
B. surging properties
C. shock properties
D. wave properties
Answer: | D |
null | Question: What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia?
Options:
A. mold
B. yeast
C. mushroom
D. fungus
Answer: | C |
null | Question: If the electromagnetic repulsion between protons is greater than the strong nuclear force of attraction between them, what do they become?
Options:
A. unstable, or radioactive
B. unstable , or experimental
C. destroyed
D. slow , or radioactive
Answer: | A |
null | Question: What is the name for substances with a ph above 7?
Options:
A. bases
B. acid
C. protein
D. nutrient
Answer: | A |
null | Question: What unit do astronomers use to describe distances in space?
Options:
A. gravity years
B. light years
C. light months
D. quantum years
Answer: | B |
null | Question: The intensity or rate of radiation emission _________ with temperature?
Options:
A. does not vary
B. randomly fluctuates
C. increases
D. decreases
Answer: | C |
null | Question: What type of invertebrates are jellyfish and corals known as?
Options:
A. sponges
B. cephalopods
C. cnidarians
D. nautilus
Answer: | C |
null | Question: In addition to spiral cleavage, protostomes also undergo which other form of cleavage?
Options:
A. dispersive
B. diagonal
C. straight
D. determinate
Answer: | D |
null | Question: What process is involved in the formation of a waterfall, when a stream flows from an area of harder to softer rock?
Options:
A. erosion
B. evaporation
C. migration
D. calcification
Answer: | A |
null | Question: How many different ways can molecules pass through a phospholipid membrane?
Options:
A. six
B. four
C. five
D. three
Answer: | D |
null | Question: Plants obtain their energy from the sun through photosynthesis , what do animals obtain their energy from?
Options:
A. organisms
B. ultraviolet rays
C. proteins
D. tissues
Answer: | A |
null | Question: Ticks spread bacteria that causes what condition?
Options:
A. Dengue fever
B. lyme disease
C. Malaria
D. Rabies
Answer: | B |
null | Question: What is used to measure air pressure?
Options:
A. barometer
B. metrometer
C. indicator
D. thermometer
Answer: | A |
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