question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: The products of photosynthesis are glucose and what else?
Options:
A. hydrogen
B. carbon
C. oxygen
D. nitrogen | C |
Question: In what way do bacteria reproduce?
Options:
A. fragmentation
B. cellular respiration
C. sexual reproduction
D. binary fission | D |
Question: What type of fibers are made mostly of protein in living things?
Options:
A. organ fibers
B. connective tissue fibers
C. liver fibers
D. muscle fibers | D |
Question: What force is responsible for erosion by flowing water and glaciers?
Options:
A. electromagnetic
B. gravity
C. weight
D. kinetic | B |
Question: Nearly all protists exist in some type of aquatic environment, including freshwater and marine environments, damp soil, and even snow. several protist species are parasites that infect animals or plants. a few protist species live on dead organisms or their wastes, and contribute to what?
Options:
A. spontane... | C |
Question: What type of rocks form from cooled magma or lava?
Options:
A. sedementary
B. granite
C. igneous
D. metamorphic | C |
Question: What kind of cells have positive cell potentials, and all the reduction reactions are reversible?
Options:
A. new cells
B. galvanic cells
C. inhibited cells
D. neutral cells | B |
Question: A fish's stream-lined body that reduces water resistance is an example of what kind of response to an aquatic lifestyle?
Options:
A. natural selection
B. evolution
C. adaptation
D. retraction | C |
Question: Emissions of what gas into the atmosphere from fossil fuel burning have been rising for the past several decades?
Options:
A. neon
B. sulphur
C. oxygen
D. carbon dioxide | D |
Question: Gymnosperms have seeds but do not have what?
Options:
A. stems
B. leaves
C. roots
D. flowers | D |
Question: Modern members of what broad animal group live in many different habitats and are found on every continent except antarctica?
Options:
A. arachnids
B. parasites
C. amphibians
D. reptiles | D |
Question: The right ventricle pumps what type of blood toward the lungs?
Options:
A. oxygen-rich
B. oxygen-poor
C. plasma
D. oxygenated | B |
Question: Some 96% of the dry mass consists of organic compounds produced by what?
Options:
A. electrolysis
B. reproduction
C. photosynthesis
D. erosion | C |
Question: What is it called when something is unable to move from place to place?
Options:
A. Undrate
B. obovate
C. ovate
D. sessile | D |
Question: What waves are the broad range of electromagnetic waves with the longest wavelengths and lowest frequencies?
Options:
A. radio
B. sound
C. microwaves
D. light | A |
Question: What are the two main types of sedimentary rocks?
Options:
A. sandstone and shale
B. shale and limestone
C. clastic and chemical
D. basalt and dolomite | C |
Question: Light waves which interfere with themselves after interaction with a small aperture or target are said to what?
Options:
A. refract
B. adduce
C. diffract
D. reflect | C |
Question: Distance traveled divided by time yields what measurement, which is another word used to describe the speed of a chemical reaction?
Options:
A. rate
B. acceleration
C. displacement
D. flow | A |
Question: Beryllium, magnesium, calcium, strontium, and barium are classified as what type of metals?
Options:
A. alkaline earth metals
B. alkaline aligned metals
C. alkaline support metals
D. acid earth metals | A |
Question: Common among mammals and insects, pheromones are often related to what type of behavior?
Options:
A. reproductive
B. aggressive
C. immune
D. cardiac | A |
Question: Neutron stars are the corpses of left over what?
Options:
A. supernova explosions
B. stellar explosions
C. gravitational explosions
D. planet explosions | A |
Question: In recent years, however, researchers have discovered that microsporidia actually have tiny organelles derived from what?
Options:
A. carbohydrates
B. plasma
C. mitochondria
D. proteins | C |
Question: The negative logarithm of the hydroxide-ion concentration of a solution is called?
Options:
A. the hop
B. the poh
C. the piel
D. the hil | B |
Question: What is the greatest contribution of arthropods to human food supply?
Options:
A. reproduction
B. vegetation
C. pollination
D. hibernation | C |
Question: What kind of weather change do la nina years usually bring?
Options:
A. Mass amounts of snow
B. heat
C. moisture
D. drought | D |
Question: In physics, _______ is defined as the average kinetic energy of the particles in an object?
Options:
A. climate
B. potential energy
C. heat
D. temperature | D |
Question: What are proteins encoded by?
Options:
A. codons
B. RNA
C. DNA
D. genes | D |
Question: In alcoholic fermentation , which acid changes to alcohol and carbon dioxide?
Options:
A. chloride
B. pyruvic
C. rain
D. lipoic | B |
Question: What is another term for scale worms?
Options:
A. halkieria
B. spirogyra
C. wormidanopis
D. trichina | A |
Question: What type of device do scientist use to determine wind speed?
Options:
A. anemometer
B. barometer
C. photometer
D. dynamometer | A |
Question: Which constellation looks like a rectangle high in winter's south-southeastern sky?
Options:
A. orion
B. Caelum
C. Apus
D. Andromeda | A |
Question: What mammal is often a pollinator of nocturnal flowers?
Options:
A. sunbirds
B. bat
C. hummingbirds
D. rabbits | B |
Question: What can reproduce by infecting the cell of a living host?
Options:
A. virus
B. bacteria
C. mucus
D. carcinogens | A |
Question: The theory that establishes the concepts of atoms and how they compose matter is called what?
Options:
A. unified matter theory
B. modern particle theory
C. modern atomic theory
D. contemporary atomic theory | C |
Question: How does the heart transport blood?
Options:
A. muscles
B. nerves
C. blood vessels
D. blood pellets | C |
Question: The gender of a baby is determined by what special pair of chromosomes?
Options:
A. diploid chromosomes
B. sister chromatids
C. sex chromosomes
D. reflection chromosomes | C |
Question: What does the activity of an organism depend on the totality of?
Options:
A. interdependence
B. adaptations
C. chemical attraction
D. independent cells | D |
Question: What is solid water that forms when water vapor undergoes deposition?
Options:
A. glacier
B. frost
C. distillate
D. dew | B |
Question: What gets released into the atmosphere when fossil fuels are burned?
Options:
A. chemical dioxide
B. hydrogen
C. carbon dioxide
D. oxygen | C |
Question: What is the term for the measure of a fluid's thickness?
Options:
A. elasticity
B. salinity
C. friction
D. viscosity | D |
Question: Plant cells have structures that animal cells?
Options:
A. lack
B. eat
C. drink
D. have | A |
Question: What reduces the need for pesticides and other toxic chemicals?
Options:
A. helium
B. pollen
C. yeast
D. fungi | D |
Question: Matter can be described with what two encompassing types of properties?
Options:
A. thermal and magnetic
B. color and distance
C. physical and chemical
D. velocity and energy | C |
Question: When the number of active receptors falls below that threshold, what happens to the cellular response?
Options:
A. it ceases
B. it increases
C. it responds
D. it stabilizes | A |
Question: Types of neurons include sensory neurons, motor neurons, and?
Options:
A. anions
B. interneurons
C. synapses
D. histones | B |
Question: Active and passive forms of what enable the body to resist damage from pathogens?
Options:
A. immunity
B. stem cells
C. autonomy
D. potential | A |
Question: What is the energy of motion called?
Options:
A. mixed energy
B. potential energy
C. binary energy
D. kinetic energy | D |
Question: What is the term for an infection caused by a fungal parasite?
Options:
A. mitosis
B. mycosis
C. mydriasis
D. acrobasis | B |
Question: What do you call the ability to sense sound energy and perceive sound?
Options:
A. hearing
B. tuning
C. echolocation
D. sensory deprivation | A |
Question: Some plants can detect increased levels of what when reflected from leaves of encroaching neighbors?
Options:
A. light
B. oxygen
C. water
D. air | A |
Question: What are the high points of a transverse wave called?
Options:
A. ridges
B. crests
C. peaks
D. troughs | B |
Question: What is the transfer of heat by a current?
Options:
A. convection
B. combustion
C. radiation
D. diffusion | A |
Question: When acellular slime molds swarm, they fuse together to form a single cell with many what?
Options:
A. lungs
B. digestive tracts
C. nuclei
D. cytoplasm | C |
Question: Potential energy is not only associated with the location of matter, but also with the structure of matter. even a spring on the ground has potential energy if it is what?
Options:
A. compressed
B. coupled
C. watched
D. ignored | A |
Question: What is the name of film that polyester fibers form?
Options:
A. fabric
B. mylar
C. Softness
D. layers | B |
Question: Where do germline mutations occur in?
Options:
A. in gametes
B. In blood cells
C. in spores
D. in aggregations | A |
Question: What a mixture of nitric acid and hydrochloric acid?
Options:
A. acidus regia
B. crystal regia
C. aqua regia
D. sulfate regia | C |
Question: Most members of what kingdom of spore-making organisms grow on the forest floor, where the dark and damp environment is rich?
Options:
A. moss
B. bacteria
C. algae
D. fungi | D |
Question: What results when the water vapor from a hot shower contacts the cooler surface of a mirror?
Options:
A. foggy mirror
B. cleaner mirror
C. the mirror breaks
D. mirror brightens | A |
Question: What type of vascular plants produce seeds in cones?
Options:
A. Proteins
B. angiosperms
C. gymnosperms
D. lipids | C |
Question: In fruit flies, all homeotic genes are found on one what?
Options:
A. genome
B. chromosome
C. enzymes
D. site | B |
Question: Certain medications can suppress the immune system. this is an intended effect of drugs given to people with what?
Options:
A. transplanted organs
B. benign tumors
C. infections
D. genetic disorders | A |
Question: The geometry of the bf 3 molecule is called what?
Options:
A. trigonal planar
B. fractal planar
C. distorted planar
D. spherical planar | A |
Question: In multicellular organisms, mutations can be subdivided into germline mutations and?
Options:
A. somatic mutations
B. comparative mutations
C. elective mutations
D. resultant mutations | A |
Question: What is the name for a biologist who studies fungi?
Options:
A. egyptologists
B. musicologists
C. oncologists
D. mycologists | D |
Question: How many different kinds of ions are produced when sodium chloride dissociates ?
Options:
A. one
B. three
C. five
D. two | D |
Question: What mineral is made of one silicon atom and two oxygen atoms?
Options:
A. glass
B. cobalt
C. pumice
D. quartz | D |
Question: How many cycles do cells have?
Options:
A. six
B. two
C. four
D. seven | C |
Question: Gas particles can move randomly in what directions?
Options:
A. all directions
B. some directions
C. few directions
D. one direction | A |
Question: The total number of protons and neutorns in an atom is called what?
Options:
A. mass number
B. volume number
C. formation number
D. atom number | A |
Question: All matter is composed of tiny indivisible particles called atoms. all atoms of an element are identical in mass and this?
Options:
A. chemical properties
B. electrical properties
C. liquid properties
D. acid properties | A |
Question: Where do lightnings build up?
Options:
A. stratosphere
B. air
C. clouds
D. troposphere | C |
Question: What do we call zeros that appear after nonzero digits?
Options:
A. significant digits
B. left-end zeros
C. right-end zeros
D. placeholders | C |
Question: What term is used to describe a bond formed by the overlap of orbitals in an end-to-end fashion, with the electron density concentrated between the nuclei of the bonding atoms?
Options:
A. beta bond
B. sigma bond
C. lattice bond
D. rna bond | B |
Question: According to count rumford, which two are equivalent ways of transferring energy?
Options:
A. addition and multiplication
B. time and space
C. osmosis and heredity
D. heat and work | D |
Question: What type of radio waves exist in the 540 to 1600 khz frequency range?
Options:
A. microwaves
B. sound waves
C. am radio waves
D. fm radio waves | C |
Question: What type of cells make up about one quarter of all white blood cells?
Options:
A. lymphocytes
B. Fat
C. tumors
D. erythrocytes | A |
Question: The mass of the objects and the distance between them affect the strength of what universal force?
Options:
A. states of matter
B. gravity
C. weight
D. motion | B |
Question: Without the dominant disturbance, the fire-adapted species are usually outcompeted and biodiversity is what?
Options:
A. reduced
B. increased
C. immaterial
D. unaffected | A |
Question: Constantly going through some form of growth and repair is a characteristic of all what?
Options:
A. viruses
B. living things
C. mass
D. bacteria | B |
Question: Positive charges move in the direction of the electric field and the same direction as what current?
Options:
A. relativity current
B. direct current
C. alternating current
D. conventional current | D |
Question: Redox reactions, like other chemical reactions, begin with a product and end with what?
Options:
A. stimulant
B. decomposition
C. reactant
D. plasma | C |
Question: How does alcohol expand over a wide range of temperatures?
Options:
A. erratically
B. exponentially
C. variably
D. uniformly | D |
Question: How many years ago may the earliest fungi have evolved?
Options:
A. .250 million
B. 500 million
C. 600 million
D. .350 million | C |
Question: What are the bones in partly movable joints held in place by?
Options:
A. tendons
B. socket
C. cartilage
D. collagen | C |
Question: Sepals, petals, stamens, and carpels are what kind of organs?
Options:
A. floral
B. animal
C. marine
D. reproductive | A |
Question: How do most growing plant cells expand?
Options:
A. through germination
B. through cell respiration
C. through photosynthesis
D. through water uptake | D |
Question: What is the common term for the chemical formula h 2 0?
Options:
A. air
B. oxygen
C. water
D. hydrogen | C |
Question: What kind of reaction is needed to prepare amides?
Options:
A. lipophilic acid reaction
B. amino acid reaction
C. carboxylic acid reaction
D. oxidize acid reaction | C |
Question: What is the process by which the egg is fertilized by the pollen of the same flower?
Options:
A. self realization
B. self pollination
C. self formation
D. self condensation | B |
Question: In moss, what becomes elongated to elevate the capsule to enhance spore dispersal?
Options:
A. porta
B. risa
C. sera
D. seta | D |
Question: What is the base unit that frequency is typically measured in?
Options:
A. volume
B. watt
C. degrees
D. hertz | D |
Question: Controlling muscles and maintaining balance are just two of the roles of what system?
Options:
A. nervous system
B. bacterial system
C. digestive system
D. electrical system | A |
Question: Displacement divided by time is equal to the average what?
Options:
A. velocity
B. acceleration
C. force
D. speed | A |
Question: The complete hydrolysis of starch yields what?
Options:
A. glucose
B. glutamate
C. insulin
D. sucrose | A |
Question: What term describes an imbalance of attractive forces between liquid molecules at the surface of a liquid?
Options:
A. obsolute tension
B. currents tension
C. surface tension
D. molecular tension | C |
Question: In mammals, four specialized types of what serve to cut, tear, and grind food?
Options:
A. scales
B. teeth
C. plates
D. spines | B |
Question: Atherosclerosis and coronary heart disease are examples of what type of body system disease?
Options:
A. excretory system
B. connective system
C. digestive system
D. cardiovascular system | D |
Question: When cats mark their territory by rubbing their face against an object, they deposit chemicals released by what structures?
Options:
A. whiskers
B. taste buds
C. pituitary glands
D. scent glands | D |
Question: Like other bryophytes, moss plants spend most of their life cycle as?
Options:
A. bacteriophages
B. copepods
C. gametophytes
D. spores | C |
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