question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: How many continents do birds breed on?
Options:
A. 4
B. 2
C. 3
D. 7 | D |
Question: Dna consists of how many long chains of nucleotides?
Options:
A. three
B. one
C. two
D. zero | C |
Question: What is the transition from liquid to gas is called?
Options:
A. melting
B. boiling
C. freezing
D. condensing | B |
Question: What is inside the plasma membrane of a prokaryotic cell?
Options:
A. alkaline
B. electron
C. protoplasm
D. cytoplasm | D |
Question: When the helium is gone, the stars become what?
Options:
A. comets
B. yellow dwarfs
C. red giants
D. white dwarfs | D |
Question: What is the change of state from a solid to a gas without passing through the liquid state?
Options:
A. neutralization
B. speciation
C. sublimation
D. vaporization | C |
Question: What type of cells are gametes?
Options:
A. cardiac
B. reproductive
C. proteins
D. immune | B |
Question: What is the touch response in plants called?
Options:
A. sensitivity
B. thigmotropism
C. pollenation
D. phototropism | B |
Question: Humans have an estimated 20,000 to 22,000 of what units of heredity?
Options:
A. eggs
B. chromosomes
C. genes
D. cells | C |
Question: What is defined as the amount of force acting on a given area?
Options:
A. energy
B. pressure
C. resistance
D. power | B |
Question: What system consists of glands that secrete hormones into the bloodstream?
Options:
A. Respiratory system
B. the endocrine system
C. nervous system
D. Muscular system | B |
Question: Where are the oceans most polluted?
Options:
A. on the ocean floor
B. along coasts
C. in warmer waters
D. along reefs | B |
Question: What organelles are known as the energy "powerhouses" of the cells?
Options:
A. proteins
B. carbohydrates
C. mitochondria
D. atoms | C |
Question: What is the effect on pressure when the area of applied force is very concentrated?
Options:
A. pressure increases
B. direction increases
C. pressure disperses
D. pressure reduces | A |
Question: What two elements primarily make up the sun?
Options:
A. calcium and helium
B. oxygen and hydrogen
C. hydrogen and helium
D. nitrogen and argon | C |
Question: Adipose is a connective tissue made up of cells called what?
Options:
A. keratinocytes
B. adipocytes
C. hepatocytes
D. oocytes | B |
Question: Where are about 75% of the tar sands in the world located?
Options:
A. venezuela and onatrio,canada
B. alberta, canada and peru
C. china and onatrio, canada
D. venezuela and alberta, canada | D |
Question: Does pressure increase or decrease when gas particles heat up?
Options:
A. stays constant
B. increase
C. stagnates
D. decreases | B |
Question: What are the two most common vision problems?
Options:
A. colorblindness and farsightedness
B. glaucoma and nearsightedness
C. nearsightedness and farsightedness
D. colorblindness and nearsightedness | C |
Question: What is the pair of bean-shaped organs that filters blood and produces urine?
Options:
A. lungs
B. arteries
C. heart
D. kidneys | D |
Question: Met, asn, trp, and gln connect together like beads on a necklace and are an example of what type of acids?
Options:
A. polymer acids
B. organism acids
C. peptic acids
D. amino acids | D |
Question: What is a carbon-based compound that is found in living things called?
Options:
A. biological compound
B. organic compound
C. biochemical compound
D. genetic compound | C |
Question: What do you call a mirror shaped like the inside of a bowl?
Options:
A. concave
B. curved
C. circular
D. convex | A |
Question: Ions that contain fewer electrons than protons have a net positive charge and are called what?
Options:
A. anions
B. particles
C. oxides
D. cations | D |
Question: What factors consist of parts of the environment that are or were alive, and their remains?
Options:
A. xerophytic factors
B. abiotic factors
C. decomposition factors
D. biotic factors | D |
Question: What is another name for a reasonable explanation for something that might be formed near the beginning of a scientific inquiry into a problem?
Options:
A. hypothesis
B. theory
C. experiment
D. conclusion | A |
Question: What is the logarithmic scale that measures the largest jolt of energy released by an earthquake called?
Options:
A. Geiger counter
B. Shake scale
C. tremor scale
D. richter scale | D |
Question: Polarization occurs between a charged and what other object?
Options:
A. obsolete
B. molecular
C. neutral
D. motionless | C |
Question: Glucose, fructose, and other sugars that have six carbons are called what?
Options:
A. hexoses
B. catalysts
C. fluxes
D. alcohols | A |
Question: What is precipitation that flows over the surface of the land?
Options:
A. storm surge
B. runoff
C. blizzard
D. seawater | B |
Question: What is the method that is a plan for asking questions and testing possible answers called?
Options:
A. scientific investigation
B. independent variable
C. forecasting
D. sample size | A |
Question: What branch of physics deals with the smallest units of elements and compounds?
Options:
A. oxygen
B. atomic
C. gravity
D. quantum | B |
Question: What kinds of acids are proteins made out of?
Options:
A. protein acids
B. amino acids
C. acetic acids
D. sequence acids | B |
Question: Whisk ferns have yellow sporangia and no what?
Options:
A. flowers
B. leaves
C. roots
D. stems | B |
Question: Do tropical regions have very high or very low rates of immigration?
Options:
A. very high
B. too high
C. medium
D. low | A |
Question: What type of experiment involves two identical experiments carried out side-by-side, with and without an independent variable?
Options:
A. trial run
B. controlled experiment
C. blind test
D. defined experiment | B |
Question: How does the core of the sun radiate energy?
Options:
A. electrical radiation
B. carbon radiation
C. nuclear fission
D. nuclear fusion | D |
Question: What is the concentration of gas molecules in the mesosphere?
Options:
A. high density
B. very low density
C. medium density
D. low density | B |
Question: What type of energy causes erosion at the shore?
Options:
A. potential
B. kinetic
C. tidal
D. wave | D |
Question: Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what?
Options:
A. momentum
B. energy
C. pressure
D. fuel | B |
Question: What is the smallest particle of an element that still has the element’s properties?
Options:
A. an atom
B. an ion
C. a nucleus
D. an electron | A |
Question: A biofilm is a colony of what that is stuck to a surface such as a rock or a host’s tissues?
Options:
A. prokaryotes
B. eukaryotes
C. vacuoles
D. insects | A |
Question: The stem of a horsetail is characterized by the presence of joints, or nodes: hence the name arthrophyta, which means this?
Options:
A. elongated plant
B. molted plant
C. jointed plant
D. solid plant | C |
Question: What do power plants burn to generate electricity?
Options:
A. timber
B. fossil fuels
C. biofuel
D. nuclear fuel | B |
Question: What organ lets us understand what we see, hear, or sense in other ways, and allows us to use language, learn, think, and remember?
Options:
A. heart
B. bone
C. brain
D. Kidneys | C |
Question: What is the more common term for ethanoic acid, the active substance in vinegar?
Options:
A. amino acid
B. methyl acid
C. polymer acid
D. acetic acid | D |
Question: What type of pollution results from the contaminants that enter a waterway or water body through a single site?
Options:
A. simple source pollution
B. point source pollution
C. targeted source pollution
D. liquid source pollution | B |
Question: What are the "chemical messenger" molecules used by the endocrine system?
Options:
A. hormones
B. enzymes
C. axons
D. acids | A |
Question: Many innovative farming methods can prevent what type of erosion, which is especially important in agriculture?
Options:
A. plains erosion
B. soil erosion
C. vegetable erosion
D. fertilizer erosion | B |
Question: As the atoms approach one another, their electron clouds gradually begin to do what?
Options:
A. overlap
B. shrink
C. magnetize
D. disappear | A |
Question: What force holds together both types of star clusters?
Options:
A. inertia
B. weight
C. magnetism
D. gravity | D |
Question: What are the rod-like structures made of short microtubules that play an important part in cellular division?
Options:
A. cilia
B. mitochondria
C. centrioles
D. fibrils | C |
Question: Vertebrates with four limbs are also called what?
Options:
A. Mammals
B. tetrapods
C. Birds
D. Amphibians | B |
Question: What is the name of the disorder of the arteries in which cholesterol and other materials are deposited on the interior of the arterial wall?
Options:
A. paralysis
B. anemia
C. atherosclerosis
D. arthritis | C |
Question: What is defined as a close relationship between organisms of different species in which at least one of the organisms benefits?
Options:
A. endosymbiosis
B. parasitic
C. co-operative
D. symbiosis | D |
Question: What do you call the force identified by a north and south pole?
Options:
A. magnetism
B. normal force
C. gravity
D. buoyancy | A |
Question: The voltage of a voltaic cell can be determined by the reduction potentials of what?
Options:
A. old reactions
B. thermal reactions
C. half reactions
D. full reactions | C |
Question: What type of fatty acids have bent chains?
Options:
A. saturated fatty acids
B. cholesterol
C. lipids
D. unsaturated fatty acids | D |
Question: All seed plants and a few seedless vascular plants are what?
Options:
A. heterosporous
B. zygotes
C. protozoans
D. homosporous | A |
Question: The three segments of arthropods are the head, thorax and what?
Options:
A. appendages
B. antennae
C. abdomen
D. chest | C |
Question: A notochord has in common with what vertbrate structure?
Options:
A. spinal cord
B. rip chord
C. trichord
D. rib cage | A |
Question: Most members of what mammalian order possess opposable thumbs?
Options:
A. marsupials
B. rodents
C. primates
D. amphibians | C |
Question: What refers to a group of individual organisms of the same species that live closely together?
Options:
A. a enviroment
B. a habitat
C. a colony
D. a flock | C |
Question: The rise in greenhouse gases has what effect on the temperature of earth?
Options:
A. it increases
B. no effect
C. it drops
D. more moderate | A |
Question: What two types of atoms bond to form sulfate minerals?
Options:
A. oxygen and sulfur
B. carbon and sulfur
C. oxygen and calcium
D. oxygen and carbon | A |
Question: Where does groundwater primarily come from?
Options:
A. evaporation
B. erosion
C. sediment
D. precipitation | D |
Question: What determines sex in animals?
Options:
A. cell structure
B. cell density
C. sex chromosomes
D. ribosomes | C |
Question: The joints of the carpal bones in the wrist are examples of what type of joints?
Options:
A. filter joints
B. isojoints
C. planar joints
D. digit joints | C |
Question: If a unit is named after a person it needs to be?
Options:
A. forgotten
B. short
C. squandered
D. capitalized | D |
Question: What is the name for the inner lining of the uterus?
Options:
A. cuticle
B. the endometrium
C. the uterine shell
D. the epidermis | B |
Question: What is it called when currents keep reversing direction?
Options:
A. alternating current
B. emitting current
C. circle current
D. stream current | A |
Question: What is the name given to anything that has mass and takes up space?
Options:
A. matter
B. molecule
C. organism
D. vacuum | A |
Question: What is the upper most level of earth's layers called?
Options:
A. surface
B. volcanic
C. mantle
D. crust | D |
Question: What are secreted into the gi tract by organs of the gi tract or from a nearby gland named the pancreas?
Options:
A. digestive enzymes
B. stomach acid
C. insulin and pepsin
D. bile | A |
Question: In what organ does pepsin help break down proteins?
Options:
A. kidney
B. liver
C. skin
D. stomach | D |
Question: What begins when a neuron receives a chemical stimulus?
Options:
A. a induce impulse
B. a nerve impulse
C. a metabolism impulse
D. nerve reaction | B |
Question: Pink snapdragons are an example of what?
Options:
A. cloning
B. nh3 hybridization
C. incomplete dominance
D. grafting | C |
Question: Air quality is a measure of what in the air?
Options:
A. water
B. clouds
C. pollutants
D. gases | C |
Question: What do solar cells convert the energy in sunlight into?
Options:
A. subsequent energy
B. experimental energy
C. electrical energy
D. free energy | C |
Question: Both endotherms and ectotherms control what through behavioral responses to changes in the environment?
Options:
A. hormones
B. gas temperature
C. sleep cycles
D. body temperature | D |
Question: What occurs when the bronchioles swell and the muscles around the bronchioles contract?
Options:
A. asthma
B. bronchitis
C. nausea
D. allergies | A |
Question: What giant planet is far away from and much less dense than earth?
Options:
A. jupiter
B. venus
C. mars
D. uranus | A |
Question: Bacteria, viruses, fungi, and protozoa are examples of what, the term for a disease-causing microorganism?
Options:
A. microbe
B. germ
C. fungus
D. pathogen | D |
Question: Newton’s third law of motion describes what property of forces that means balance?
Options:
A. symmetry
B. acceleration
C. gravity
D. magnetism | A |
Question: Translation is the second part of the central dogma of what?
Options:
A. molecular biology
B. string theory
C. molecular gastronomy
D. relativity | A |
Question: What helps us see rainbows in the sky?
Options:
A. visible light
B. myopia
C. spectral light
D. prism | A |
Question: How the individuals in a population are spread throughout their habitat is referred to as what?
Options:
A. population distribution
B. population habitation
C. habitual distribution
D. population spread | A |
Question: The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate?
Options:
A. compression
B. accumulation
C. extinction
D. isolation | C |
Question: Both fats and oils are made up of long chains of carbon atoms that are bonded together. what are these chains called?
Options:
A. nucleic acids
B. fatty acids
C. metabolic acids
D. amino acids | B |
Question: What adds phosphate groups to receptor proteins at the surface of the cell?
Options:
A. protein kinases
B. receptor kinases
C. brain kinases
D. nitrogen kinases | B |
Question: Cold fronts in winter may bring what type of storm?
Options:
A. showers
B. monsoon
C. typhoon
D. snow storm | D |
Question: What is added to alcohol and used as an antiseptic?
Options:
A. chloride
B. arsenic
C. chlorine
D. iodine | D |
Question: Excretion of ions occurs mainly through what organ?
Options:
A. Heart
B. kidneys
C. tissues
D. lungs | B |
Question: Acids can also react with metals, and when they do they produce what?
Options:
A. rust
B. potassium gas
C. alloys
D. hydrogen gas | D |
Question: Convection is the transfer of what type of energy by particles moving through a fluid?
Options:
A. Nuclear
B. Chemical
C. atmospheric
D. thermal | D |
Question: Foresters commonly inoculate pine seedlings with a type of what to promote growth?
Options:
A. yeast
B. soil
C. proteins
D. fungi | D |
Question: What are animal fats and oils such as olive and vegetable oil classified as?
Options:
A. inorganic compounds
B. proteins
C. lipids
D. amino acids | C |
Question: What type of alloys are used in musical instruments?
Options:
A. copper
B. bronze
C. brass
D. plastics | C |
Question: Osteoclasts and osteoblasts play key roles in repair of what?
Options:
A. liver
B. bone
C. brain
D. heart | B |
Question: What is the general shape of centrioles?
Options:
A. oval
B. arc
C. rod
D. spherical | C |
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