question stringlengths 68 502 | answer stringclasses 4
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Question: Billions of what inside the human digestive tract help us digest food, make vitamins and play other important roles?
Options:
A. viruses
B. red blood cells
C. neurons
D. bacteria | D |
Question: In a controlled scientific study, what do you call a factor that can take on different values?
Options:
A. variable
B. vector
C. input
D. output | A |
Question: What is a group of similar ecosystems with the same general abiotic factors and primary producers called?
Options:
A. ecological environment
B. population
C. ecoculture
D. biome | D |
Question: Since 1900, four of the five earthquakes of the greatest magnitude occurred near what appropriately nicknamed pacific location?
Options:
A. shower of fire
B. ring of fire
C. quake epicenter
D. seismic zone | B |
Question: All chemical changes involve a transfer of what?
Options:
A. energy
B. fuel
C. oxygen
D. pressure | A |
Question: What is the most common type of capillary?
Options:
A. continuous
B. channels
C. ending
D. large | A |
Question: What is the bending of waves around a corner called?
Options:
A. reflection
B. diffraction
C. absorption
D. propulsion | B |
Question: In what kind of bond does one atom contribute both of the electrons in the shared pair?
Options:
A. a covalent bond
B. a valence bond
C. an ionic bond
D. a metallic bond | A |
Question: Mirrors and lenses are used in optical instruments to reflect and refract what?
Options:
A. electricity
B. mass
C. gravity
D. light | D |
Question: The zygote undergoes many cell divisions before it implants in the lining of what?
Options:
A. uterus
B. ovaries
C. vagina
D. pelvis | A |
Question: What are carbonated beverages pressurized with?
Options:
A. dioxide
B. hydrogen
C. helium
D. co2 | D |
Question: Which principle states that two species cannot occupy the same niche in a habitat?
Options:
A. tough exclusion
B. competitive exclusion
C. produce exclusion
D. complete exclusion | B |
Question: What happens to the rate of chemical reactions in higher temperatures?
Options:
A. they stop
B. they become erratic
C. they increase
D. they decrease | C |
Question: An alternative to inclusive fitness is group selection, a type of what scenario where small groups of organisms of the same species are effectively acting as single (perhaps colonial) organisms?
Options:
A. introductory
B. evolutionary
C. molecular
D. combination | B |
Question: The complement system is a series of proteins constitutively found in the what?
Options:
A. nucleus
B. platelets
C. organs
D. blood plasma | D |
Question: What are cations simply named after?
Options:
A. the cell structure
B. the body part
C. the parent element
D. the scientist | C |
Question: Inorganic chemistry refers to the study of materials *not* containing which element?
Options:
A. helium
B. oxygen
C. hydrogen
D. carbon | D |
Question: How many chambers does an amphibian heart have?
Options:
A. one
B. four
C. three
D. two | C |
Question: Electrons in the "outer shell" are also known as what kind of electrons?
Options:
A. charged
B. static
C. valence
D. intermediate | C |
Question: What is created when energy turns a turbine?
Options:
A. electricity
B. torque
C. light
D. force | A |
Question: Where in the periodic table of elements are the nonmetals located?
Options:
A. bottom left
B. top right
C. top left
D. bottom right | B |
Question: How many different main types of diabetes are there?
Options:
A. two
B. three
C. four
D. ten | A |
Question: Where do most amphibians live, salt water or fresh water?
Options:
A. fresh water
B. saltwater
C. deserts
D. aquariums | A |
Question: Foliation, which forms layers in rocks during metamorphism, is caused by what?
Options:
A. Pulling
B. power
C. push
D. pressure | D |
Question: What type of compounds tend to have high melting points and boiling points?
Options:
A. liquid
B. ionic
C. soluble
D. particle | B |
Question: What is the molten material deep within the earth?
Options:
A. volcanic mass
B. crystals
C. magma
D. lava | C |
Question: Objects in motion that return to the same position after a fixed period of time are said to be in what type of motion?
Options:
A. curving
B. dynamic
C. harmonic
D. circular | C |
Question: What function of the car is affected by the pedal that controls the amount of gas the engine gets?
Options:
A. shifting
B. braking
C. transmission
D. acceleration | D |
Question: An atom that gains or loses electrons is called what?
Options:
A. photon
B. isotope
C. quark
D. ion | D |
Question: What do you require to test a hypothesis?
Options:
A. estimates
B. data
C. conclusion
D. opinion | B |
Question: The first law of thermodynamics deals with the total amount of energy in what?
Options:
A. organism
B. galaxy
C. springs
D. universe | D |
Question: What type of vehicles is able to go to the deepest ocean floor?
Options:
A. remote-control vehicles
B. autonomous controlled airplanes
C. all-terrain vehicles
D. off road vehicles | A |
Question: What is the turning effectiveness of a force?
Options:
A. torque
B. gravitational pull
C. intake
D. velocity | A |
Question: What are the 3 orders of amphibians?
Options:
A. frogs, salamanders, caecilians
B. monotremata, artiodactyla, rodentia
C. hagfish, lampreys, acanthodii
D. bees, caddisflies, antilions | A |
Question: The sum of the pressures of the hydrogen and the water vapor is equal to what?
Options:
A. adjacent pressure
B. atmospheric pressure
C. moon pressure
D. precipitation pressure | B |
Question: What is cellular respiration that proceeds in the presence of oxygen known as?
Options:
A. digestive respiration
B. aerobic respiration
C. anaerobic respiration
D. kinetic respiration | B |
Question: Blood enters the kidney through the which artery?
Options:
A. renal artery
B. vas deferens
C. cardiac artery
D. jugular | A |
Question: Besides increasing the potential, how else can you increase current in a circuit?
Options:
A. decreasing the heat
B. decreasing the resistance
C. increasing the heat
D. increasing the resistance | B |
Question: What kingdom in the domain eukarya that includes molds, mushrooms, and yeasts called?
Options:
A. bacteria
B. proteins
C. fungi
D. acids | C |
Question: An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life?
Options:
A. blood
B. liquid
C. water
D. plasma | C |
Question: Which part of the earth is made of the rigid, brittle, solid crust and uppermost mantle?
Options:
A. lithosphere
B. troposphere
C. atmosphere
D. thermosphere | A |
Question: What is liquid water falling from the sky called?
Options:
A. evaporation
B. clouds
C. rain
D. snow | C |
Question: The two general functions of roots in plants are to anchor and to do what else?
Options:
A. grow
B. absorb
C. photosynthesis
D. generate | B |
Question: What do covalent bonds give atoms a more stable arrangement of?
Options:
A. cell walls
B. protons
C. electrons
D. neutrons | C |
Question: What is the most important process for the survival of a species?
Options:
A. metabolism
B. digestion
C. differentiation
D. reproduction | D |
Question: Which common element is the most found in living organisms?
Options:
A. carbon
B. hydrogen
C. monoxide
D. oxygen | A |
Question: What are the organelles on which proteins are made during protein synthesis called?
Options:
A. fibroblasts
B. lysosomes
C. mitochondria
D. ribosomes | D |
Question: Chemistry is the study of matter and energy and how they what?
Options:
A. distinct
B. division
C. interaction
D. interact | D |
Question: What is the term for the relationship in which one species benefits while the other species is harmed?
Options:
A. commensal relationship
B. combative relationship
C. parasitic relationship
D. symbiotic relationship | D |
Question: Transport vesicles move what type of molecules from the rough endoplasmic reticulum to the golgi apparatus?
Options:
A. acids
B. proteins
C. hormones
D. lipids | B |
Question: Fish use some of their fins to propel themselves through the water and others to do what?
Options:
A. reproduce
B. rest
C. breathe
D. steer | D |
Question: This series of life stages and events that a sexually reproducing organism goes through is called its what?
Options:
A. formative period
B. maturation cycle
C. life cycle
D. development cycle | C |
Question: What are small gnawing mammals such as rats and mice called?
Options:
A. furries
B. miniatures
C. marsupials
D. rodents | D |
Question: Dutch scientist christiaan huygens' principle of what states that every point on a wavefront is a source of wavelets that spread out in the forward direction at the speed of the wave itself?
Options:
A. energy propagation
B. wave dynamics
C. electromagnetic dynamics
D. wave propagation | D |
Question: Orbiting at a fairly typical 370 kilometers, the international space station is an example of what?
Options:
A. high orbit satellite
B. flagella satellite
C. manmade satellite
D. alteration satellite | C |
Question: When plant type alternates from generation to generation what is this called?
Options:
A. differentiation of generation
B. change in generation
C. alternation of generation
D. turbidity of generation | C |
Question: Which type of diabetes involves the pancreas not secreting enough insulin, which causes high levels of glucose in the blood?
Options:
A. non typical
B. type 1
C. type 3
D. type 2 | B |
Question: Halides of the transition metals become more covalent with increasing oxidation state and are more prone to what?
Options:
A. cycloaddition
B. hydrolysis
C. decarbonylation
D. comproportionation | B |
Question: Dense connective tissue contains more collagen fibers than does loose connective tissue. as a consequence, it displays greater resistance to what?
Options:
A. stretching
B. freezing
C. contracting
D. stiffening | A |
Question: What does pushing an object over the surface of a ramp cause?
Options:
A. Acceleration
B. tension
C. vibration
D. friction | D |
Question: Parasitism, mutualism, and commensalism are all examples of what type of biological relationship?
Options:
A. symbiosis
B. evolution
C. reproduction
D. adaptation | A |
Question: What occurs when substances move from areas of lower to higher concentration or when very large molecules are transported?
Options:
A. passive transport
B. migration
C. diffusion
D. active transport | D |
Question: What is the term for how the air feels at its temperature and humidity
Options:
A. climate sensory index
B. atmospheric humidity
C. initial humidity
D. relative humidity | D |
Question: What form does formaldehyde take at room temperature?
Options:
A. liquids
B. solid
C. gas
D. plasma | C |
Question: Ions are formed when atoms gain or lose what?
Options:
A. electrons
B. neutrons
C. mass
D. protons | A |
Question: What are the three ways to classify matter based on how light interacts with it?
Options:
A. transparent, opaque, translucent
B. opaque, invisible, visible
C. extensive , opaque , translucent
D. transitive, opaque, translucent | A |
Question: In what area of the body are sutural bones found?
Options:
A. skull
B. skin
C. legs
D. tooth | A |
Question: The ability of matter to combine chemically with other substances is known as?
Options:
A. permeability
B. turbidity
C. solubility
D. reactivity | D |
Question: Which types of waves are used for cell phones and radar?
Options:
A. thermal waves
B. light waves
C. microwaves
D. sound waves | C |
Question: Ticks spread bacteria that causes what condition?
Options:
A. Malaria
B. Dengue fever
C. Rabies
D. lyme disease | D |
Question: Methyl groups are found within what?
Options:
A. DNA molecules
B. rna acids
C. amino acids
D. peptide chains | C |
Question: The primary lymphoid organs are the bone marrow and what else?
Options:
A. thyroid
B. thymus gland
C. pinneal gland
D. kidneys | B |
Question: Surface tension and viscosity are generally associated with what form or state of matter?
Options:
A. electrons
B. liquids
C. solids
D. gases | B |
Question: What catalyst substances may also allow reactions to occur by different pathways that have lower activation energy?
Options:
A. carbohydrates
B. enzymes
C. calories
D. hormones | B |
Question: Gap genes are defined by the effect of what in that gene?
Options:
A. modification
B. infection
C. mutation
D. radiation | C |
Question: The abnormal cells cannot carry oxygen properly and can get stuck where?
Options:
A. muscles
B. capillaries
C. Arteries
D. Viens | B |
Question: All atoms of the same element share the same number of what type of particle?
Options:
A. quarks
B. neutrons
C. protons
D. nucleus | C |
Question: How do oceans help control global warming?
Options:
A. Cooling air
B. reflecting light
C. releasing oxygen
D. absorbing carbon dioxide | D |
Question: What occurs between long warm climate periods?
Options:
A. mass extinction
B. ice ages
C. drought
D. hurricanes | B |
Question: Which state of matter is characterized by molecules with minimal movement and strong forces between them?
Options:
A. solid
B. plasma
C. gas
D. liquid | A |
Question: The plasma membrane pulls away from the cell wall as it shrivels. what is this process called?
Options:
A. osmosis
B. plasmolysis
C. sporozoans
D. fluctuations | B |
Question: What collects fluid from a system of canals in the cytoplasm?
Options:
A. mitochondria
B. vacuole
C. chlorophyll
D. placenta | B |
Question: What is the name of artificial barriers that people build to protect shorelines?
Options:
A. seawalls
B. domes
C. breakwaters
D. outcroppings | C |
Question: How many valence electrons does nitrogen have?
Options:
A. 5
B. 3
C. 4
D. 10 | A |
Question: What is the term for a particle from outside the cell engulfing the cells membrane?
Options:
A. endometriosis
B. mitosis
C. endocytosis
D. metastasis | C |
Question: The kidney glomerulus filters blood mainly based on particle size to produce a filtrate lacking cells or large what?
Options:
A. proteins
B. carbohydrates
C. steroids
D. lipids | A |
Question: What is the general composition of the continental crust?
Options:
A. granite
B. sandstone
C. limestone
D. marble | A |
Question: What term refers to the conditions of the atmosphere from day to day?
Options:
A. temperture
B. weather
C. humidity
D. climate | B |
Question: Gases such as neon, argon, and krypton produce what using electroluminescence?
Options:
A. electricity
B. heat
C. light
D. colors | C |
Question: By how many weeks do all major organs start developing?
Options:
A. 4
B. 9
C. 8
D. 12 | C |
Question: Surface tension is a property that can be found in what state of matter?
Options:
A. liquid
B. ice
C. vapor
D. water | A |
Question: A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?
Options:
A. consciousness
B. divergence
C. additions
D. adaptations | D |
Question: What organ is made up of over one million nephrons that dot the renal cortex?
Options:
A. stomach
B. kidney
C. gall bladder
D. lungs | B |
Question: Human metabolism is the conversion of food into heat transfer, work, and this?
Options:
A. stored atp
B. stored carbs
C. stored fat
D. stored protein | C |
Question: What organ do mammals have that is exceptionally large for their body size?
Options:
A. liver
B. brain
C. lungs
D. heart | B |
Question: Mammals have four limbs and produce what kind of eggs?
Options:
A. amniotic
B. placental
C. hard-shelled
D. umbilical | A |
Question: Name the missing call of biochemical compound: carbohydrates, proteins, nucleic acids.
Options:
A. enzymes
B. tissues
C. microorganisms
D. lipids | D |
Question: The ether functional group consists of an oxygen atom which forms single bonds with what other atoms?
Options:
A. hydrogen
B. carbon
C. acid
D. enzymes | B |
Question: In celsius, what is the boiling point of water?
Options:
A. zero degrees
B. one hundred degrees
C. two hundred twelve degrees
D. ninety eight degrees | B |
Question: What is the process where sperm from the pollen of one flower fertilizes the egg of another flower?
Options:
A. mitosis
B. inter-pollination
C. cross-pollination
D. static pollination | C |
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