question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: The major cause of outdoor air pollution is the burning of?
Options:
A. trash
B. fossil fuels
C. trees
D. charcoal briquettes | B |
Question: What is the ideal mechanical advantage in the single fixed pulley?
Options:
A. 4
B. 1
C. zero
D. 2 | B |
Question: What science is the study of matter and the changes it undergoes?
Options:
A. astronomy
B. biology
C. geology
D. chemistry | D |
Question: What is driven by the sun's energy and moves water over the surface of earth?
Options:
A. weather cycle
B. the water cycle
C. tides
D. sun cycle | B |
Question: What are materials that are poor thermal conductors called?
Options:
A. pollution insulators
B. sunlight insulators
C. warmth insulators
D. thermal insulators | D |
Question: Balanced chemical reactions are balanced in what?
Options:
A. molecular bonds
B. terms of moles
C. electrical charge
D. atoms | B |
Question: The autonomic nervous system serves as the relay between what and the internal organs?
Options:
A. central nervous system
B. peripheral nervous system
C. hormones
D. somatic system | A |
Question: The role that a particular species plays in its ecosystem is also known as what?
Options:
A. niche
B. market
C. unique
D. type | A |
Question: What element has the atomic number 16?
Options:
A. neon
B. helium
C. sulfur
D. oxygen | C |
Question: Name the most famous satellite of the earth?
Options:
A. sputnik
B. skylab
C. the moon
D. demos | C |
Question: What is the minimum number of loops a circuit can have?
Options:
A. .1
B. 2
C. 1
D. 3 | C |
Question: What type of organism is algae?
Options:
A. bacteria (cyanobacteria)
B. virus
C. amoeba
D. yeast | A |
Question: When water slows down, it starts depositing sediment, starting with which particles first?
Options:
A. smallest
B. finest
C. largest
D. lightest | C |
Question: Because they control many cell activities - as well as being controlled by feedback mechanisms - what substances are very important for homeostasis?
Options:
A. proteins
B. enzymes
C. acids
D. hormones | D |
Question: Contraction of what large, sheet-like muscle results in inhalation?
Options:
A. diaphragm
B. pelvic floor
C. uterus
D. deltoid | A |
Question: What type of ionic compound is formed from acid and bases reacting with each other?
Options:
A. isolated
B. dry
C. common
D. salt | D |
Question: The iron ion used to bind oxygen is on what type of "ring"?
Options:
A. DNA ring
B. petrarchan ring
C. reagent ring
D. porphyrin ring | D |
Question: In police radar, a radar gun sends out short bursts of which waves?
Options:
A. electrodes
B. soundwaves
C. microwaves
D. photons | C |
Question: Oxides of small, highly charged ions of what type tend to be acidic?
Options:
A. plastic
B. liquid
C. steel
D. metal | D |
Question: A lewis acid is a substance that accepts a pair of electrons to form what?
Options:
A. functionality bond
B. accretion bond
C. ambivalent bond
D. covalent bond | D |
Question: What is the amount of force pushing against a given area?
Options:
A. pressure
B. power
C. energy
D. inertia | A |
Question: What is another word for seed plants?
Options:
A. gymnosperm
B. echinoderm
C. protosperm
D. phyla | A |
Question: What process takes place when echinoderms release their gametes into the water?
Options:
A. migration
B. isolation
C. fertilization
D. stimulation | C |
Question: Salt hydrolysis is a reaction in which one of the ions from a salt reacts with what?
Options:
A. proteins
B. water
C. fat
D. air | B |
Question: Do motile cilia usually occur in small or large numbers on the cell surface?
Options:
A. large
B. small
C. mixed
D. neither | A |
Question: Potassium is a soft, silvery metal that ignites explosively in what?
Options:
A. acid
B. cold
C. air
D. water | D |
Question: When a solid substance is involved in a chemical reaction, only the matter from which part of the solid is exposed to other reactants?
Options:
A. the interior
B. the surface
C. the base
D. the top | B |
Question: Which word describes how an extracellular solution can change the volume of a cell by affecting osmosis?
Options:
A. velocity
B. trichina
C. instability
D. tonicity | D |
Question: The process where eroded material is dropped somewhere is called?
Options:
A. deposition
B. maturation
C. diffusion
D. diffusion | A |
Question: What was the first amino acid to be isolated?
Options:
A. asparagine
B. histon
C. histamine
D. glutathione | A |
Question: Where is the food stored before being mixed with the chyme?
Options:
A. hemispherical of the stomach
B. top of the stomach
C. fundus of the stomach
D. histopathology of the stomach | C |
Question: What kind of biome or climate might you find very close to the earth's poles, as well as up on high mountains?
Options:
A. tundra
B. desert
C. taiga
D. tropical | A |
Question: What type of waves travel through the body of a planet?
Options:
A. gas waves
B. energy waves
C. body waves
D. vacuum waves | C |
Question: What type of energy occurs by splitting the nuclei of radioactive uranium?
Options:
A. microwave
B. atomic
C. nuclear
D. kinetic | C |
Question: Like skeletal muscle, cardiac muscle is what?
Options:
A. cylindrical
B. atrophied
C. tissue
D. striated | D |
Question: Rising and falling levels of what will result in progression of the ovarian and menstrual cycles?
Options:
A. red blood cells
B. hormones
C. oxygen
D. blood pressure | B |
Question: What is the term for how much matter is packed into a given space?
Options:
A. opacity
B. mass
C. volume
D. density | D |
Question: Phototrophic organisms capture light energy from the sun and convert it into what type of energy inside their cells?
Options:
A. chemical energy
B. radiation energy
C. mechanical energy
D. solar power | A |
Question: What is an animal that picks up pollen on its body and carries it to another flower called?
Options:
A. pollinator
B. fungi
C. lizard
D. rodent | A |
Question: How many bones make up an adult human skeleton?
Options:
A. 186
B. 130
C. 206
D. 244 | C |
Question: The process in which a sperm unites with an egg is called?
Options:
A. migration
B. infection
C. absorption
D. fertilization | D |
Question: What is the term for the height of the wave?
Options:
A. vibration
B. frequency
C. magnitude
D. amplitude | D |
Question: When a plant has what deficiency, guard cells may lose turgor and close stomata?
Options:
A. water
B. cold
C. air
D. light | A |
Question: What is a combination of two or more substances in any proportions called?
Options:
A. mix
B. Combination
C. mixture
D. structure | C |
Question: What does subduction of a plate lead to?
Options:
A. melting and volcanism
B. bending and volcanism
C. swell and volcanism
D. pressure and volcanism | A |
Question: The mixture of gases that surrounds the planet and makes up the atmosphere is known as ________.
Options:
A. vaccum
B. fuel
C. air
D. energy | C |
Question: What system protects the soft organs of the body?
Options:
A. Cardiovascular system
B. digestive system
C. skeletal system
D. nervous system | C |
Question: Before the atmosphere became oxygenated, the planet was subjected to what harmful energy source, meaning the first organisms would have flourished where they were more protected?
Options:
A. conduction
B. radiation
C. evaporation
D. convection | B |
Question: Turbulent sounds, at the onset of blood flow when the cuff pressure becomes sufficiently small are called?
Options:
A. pinworm sounds
B. choanocyte sounds
C. korotkoff sounds
D. whooping sounds | C |
Question: What is the simple sugar that living things us to store energy?
Options:
A. chloride
B. glucose
C. brown
D. nicotine | B |
Question: Reversing the orientation of a chromosomal segment is called what?
Options:
A. inversions
B. spontaneous mutation
C. occurrences
D. volatiles | A |
Question: What does the clitellum secrete, while the sperm received are stored temporarily?
Options:
A. cocoon of mucus
B. pathogen of mucus
C. amoeba of mucus
D. discharge of mucus | A |
Question: What forms when water vapor condenses around particles in the air?
Options:
A. clouds
B. storms
C. wind
D. humididty | A |
Question: The cycle of copper reacting is a good example of what principle?
Options:
A. conservation of momentum
B. conservation of mass
C. law of inertia
D. conservation of energy | B |
Question: A ramp is an example of what?
Options:
A. level plane
B. change plane
C. move plane
D. inclined plane | D |
Question: What kind of muscle is responsible for hollow organs contracting?
Options:
A. micro muscle
B. smooth muscle
C. rough muscle
D. tough muscle | B |
Question: In vascular plants, do primary roots grow downward or to the side?
Options:
A. to the side
B. neither
C. downward
D. it depends | C |
Question: What type of light has shorter wavelengths than visible light and has enough energy to kill bacteria?
Options:
A. infrared
B. reflected light
C. luminescence
D. ultraviolet | D |
Question: What characteristic of the endothelium structure minimizes resistance to the flow of blood?
Options:
A. uneven surface
B. transition surface
C. smooth surface
D. liquid surface | C |
Question: What type of bonds contain atoms that possess either a partial positive or a partial negative charge?
Options:
A. polar bonds
B. hot bonds
C. ionic bonds
D. geologic bonds | A |
Question: The body contains how many types of muscle tissue?
Options:
A. two
B. four
C. seven
D. three | D |
Question: The eyes of all vertebrates possess a single one of these structures?
Options:
A. vessel
B. sty
C. lens
D. stalk | C |
Question: The final stage of labor is delivery of the what?
Options:
A. embryo
B. placenta
C. uterus
D. umbilical cord | B |
Question: All proteins are made of monomers called what?
Options:
A. monotides
B. peptides
C. aminotides
D. amino acids | D |
Question: What system consists of all the muscles of the body?
Options:
A. digestive
B. muscular
C. vascular
D. endocrine | B |
Question: Photoautotrophs and chemoautotrophs are two basic types of what?
Options:
A. plants
B. autotrophs
C. decomposers
D. consumers | B |
Question: Many genetic disorders are caused by mutations in one or a few of?
Options:
A. organs
B. lesions
C. blood cells
D. genes | D |
Question: In some cases, the nervous system directly stimulates endocrine glands to release hormones, which is referred to as what?
Options:
A. brain stimuli
B. functional stimuli
C. active stimuli
D. neural stimuli | D |
Question: What kind of reproduction results in offspring that are generally all genetically different?
Options:
A. perceptual
B. individual
C. asexual
D. sexual | D |
Question: When traveling through space what do mechanical waves lose?
Options:
A. Mass
B. Force
C. Speed
D. energy | D |
Question: How many types of major tissues do modern plants have?
Options:
A. seven
B. four
C. three
D. two | C |
Question: How does a reduced sweating ability affect elderly people?
Options:
A. less energy
B. extreme heat intolerance
C. extreme tiredness
D. loss of mental ability | B |
Question: What substance do developing seeds produce which promotes fruit growth?
Options:
A. pepsin
B. xenon
C. auxin
D. interferon | C |
Question: Different clouds are associated with different types of what?
Options:
A. biomes
B. zodiac signs
C. weather conditions
D. magnetic fields | C |
Question: The testes produce sperm and secrete what?
Options:
A. testosterone
B. melanin
C. thyroxine
D. estrogen | A |
Question: Friction does negative work and removes some of the energy the person expends and converts it to which kind of energy?
Options:
A. thermal
B. erosion
C. hydro
D. evaporation | A |
Question: What happens when forces of evolution work over a long period of time?
Options:
A. macroevolution
B. Microevolution
C. developmental evolution
D. substantial evolution | A |
Question: What measurement is used to describe the amount of water vapor in the air?
Options:
A. humidity
B. barometric pressure
C. precipitation
D. heat | A |
Question: Sebaceous glands produce an oily substance called what?
Options:
A. sebum
B. ear wax
C. synovial fluid
D. pus | A |
Question: In what kind of a series does the genetic code work?
Options:
A. nine letter-codes
B. universal codes
C. four-letter codes
D. three-letter codes | D |
Question: Free-flowing electrons enable what materials to conduct electricity and heat very well?
Options:
A. noble gases
B. metals
C. acids
D. alloys | B |
Question: What is the difference in voltage across a resistor or other electrical devices called?
Options:
A. falling voltage
B. volt effect
C. voltage drop
D. power drop | C |
Question: What is the science that describes the ancestral and descendant connections between organisms?
Options:
A. organic science
B. phylogeny
C. polygamy
D. experimentally | B |
Question: According to collision theory, particles that lack what kind of energy may collide, but the particles will simply bounce off one another unchanged?
Options:
A. kinetic energy
B. residual energy
C. viscosity energy
D. elastic energy | A |
Question: Muscles that move what long bone originate on the pelvic girdle?
Options:
A. patella
B. tibia
C. sacrum
D. femur | D |
Question: In an atom, what is determined by electron distribution in shells?
Options:
A. electromagnetism
B. chemical behavior
C. covalence
D. ionic bonds | B |
Question: What term is defined as a way of writing very large or small numbers that uses exponents?
Options:
A. exponential notation
B. certain notation
C. scientific notation
D. quadratic notation | C |
Question: Electrons are always added to which energy level first?
Options:
A. the second
B. the lowest
C. the highest
D. the major | B |
Question: What type of symmetry do echinoderms show?
Options:
A. radial
B. mirrored
C. parallel
D. lateral | A |
Question: Nails cover the tips of what?
Options:
A. fingers and toes
B. lips and teeth
C. ribs and nerves
D. fingers and lips | A |
Question: Which carrier molecule becomes less effective at binding oxygen as temperature increases?
Options:
A. helium
B. hydrogen
C. water
D. hemoglobin | D |
Question: What is found at the top of the stamen?
Options:
A. petals
B. fungi
C. pistil
D. pollen | D |
Question: What field of study is called the language of science?
Options:
A. linguistics
B. logic
C. physics
D. mathematics | D |
Question: What is the term for tough, flexible connective tissue that contains the protein collagen?
Options:
A. muscle
B. cartilage
C. membrane
D. cuticle | B |
Question: Liquid water changing to water vapor is called?
Options:
A. evaporation
B. oxidation
C. respiration
D. transpiration | A |
Question: What is used to prevent some infectious diseases?
Options:
A. radiation
B. pesticides
C. vaccines
D. pathogens | C |
Question: The change in the characteristics of living things over time is known as _________
Options:
A. spontaneous mutation
B. evolution
C. variation
D. generation | B |
Question: What provides building materials for the body?
Options:
A. food
B. heat
C. water
D. energy | A |
Question: What is the term for animals that eat producers to get energy?
Options:
A. carnivores
B. predators
C. herbivores
D. secondary consumers | C |
Question: Farsightedness, or hyperopia, is the condition in which distant objects are seen clearly, but nearby objects are?
Options:
A. invisible
B. blurry
C. darker
D. inverted | B |
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