question stringlengths 68 502 | answer stringclasses 4
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Question: Graded potentials are temporary changes in what, the characteristics of which depend on the size of the stimuli?
Options:
A. organic voltage
B. components voltage
C. organism voltage
D. membrane voltage | D |
Question: How many different types of taste neurons does the tongue contain?
Options:
A. ten
B. three
C. four
D. five | D |
Question: Deer ticks are vectors for the bacteria that cause what disease?
Options:
A. mad cow
B. Dengue fever
C. malaria
D. lyme | D |
Question: What is established by the ph differences between the two sides of the blastoderm cells?
Options:
A. posterior axis
B. proximal axis
C. cylindrical - ventral axis
D. dorsal-ventral axis | D |
Question: During metamorphosis, most salamander species go through what aquatic stage on the way to becoming adults?
Options:
A. anaphase
B. larval stage
C. prophase
D. metaphase | B |
Question: What is a purification process where the components of a liquid mixture are vaporized and then condensed and isolated?
Options:
A. dispersion
B. sterilization
C. distillation
D. conduction | C |
Question: What gas comprises about three-fourths of earth's atmosphere?
Options:
A. nitrogen
B. oxygen
C. carbon dioxide
D. hydrogen | A |
Question: The lymphatic system helps return fluid that leaks from the blood vessels back to what system?
Options:
A. peripheral
B. pulmonary
C. cardiovascular
D. nervous | C |
Question: Light is energy that travels in the form of what type of wave?
Options:
A. particle
B. molecular
C. electromagnetic
D. seismic | C |
Question: Naphthalens is a chemical which is commonly used in what?
Options:
A. shampoo
B. fertilizers
C. mothballs
D. inhalers | C |
Question: What substances are secreted by specialized cells usually located in endocrine glands?
Options:
A. acid
B. hormones
C. lipids
D. protein | B |
Question: Chlorine and bromine gases released into the atmosphere have helped damage what layer of the atmosphere?
Options:
A. stratospheric layer
B. carbon layer
C. ozone layer
D. polluted layer | C |
Question: Which kind of vertebrates are amphibians?
Options:
A. endothermic vertebrates
B. ectothermic vertebrates
C. enterococci vertebrates
D. arachnids vertebrates | B |
Question: What type of forces are involved when deposited rock forms deltas or barrier islands?
Options:
A. constructive forces
B. accumulation forces
C. matter forces
D. gravity forces | A |
Question: Vertebrates differ from invertebrates because they lack this?
Options:
A. neck
B. legs
C. backbone or a spinal column
D. head | C |
Question: The fluid surrounding cells is hemolymph in insects and other animals with an open type of what system?
Options:
A. lymphatic
B. circulatory
C. pulmonary
D. vascular | B |
Question: Whan an alkene is aquired by an alkyl halide in an organic reaction, what kind of reaction is this?
Options:
A. subtraction
B. extinction
C. migration
D. elimination | D |
Question: What is the process by which undigested food leaves the body?
Options:
A. glycolysis
B. digestion
C. egestion
D. peristalsis | C |
Question: Because of its composition, oil does not do what in water?
Options:
A. dissolve
B. form
C. explode
D. separate | A |
Question: Linked genes are located on the same what?
Options:
A. nucleolus
B. chromosome
C. genome
D. bacterium | B |
Question: What move the body by contracting against the skeleton?
Options:
A. nerves
B. hormones
C. muscles
D. tissues | C |
Question: In what energy industry process are fluids pumped through a borehole, creating fractures in the rock that contains the natural gas?
Options:
A. grinding
B. oil wells
C. strip mining
D. fracking | D |
Question: What counter provides a sensitive means of detecting radioactivity?
Options:
A. calorie
B. geiger
C. gravity
D. bouncy | B |
Question: What do stored fats provide our body with for later use?
Options:
A. water
B. energy
C. hydrogen
D. metals | B |
Question: What long molecules are composed of chains of units called monomers?
Options:
A. drummers
B. polymers
C. microbes
D. complexes | B |
Question: Where does an object gain or lose it's energy to during travel through a potential difference?
Options:
A. electric field
B. particle field
C. magnetic field
D. wave field | A |
Question: Where do biochemical reactions take place?
Options:
A. in atoms
B. outside of cells
C. inside the organisms' cells
D. between cells | C |
Question: When fuel is burned, most of the energy is released in what form?
Options:
A. precipitation
B. carbon dioxide
C. heat
D. humidity | C |
Question: How are voltmeters placed in the circuit?
Options:
A. since parallel
B. not parallel
C. in parallel
D. after parallel | C |
Question: What is an attitude of doubt about the truthfulness of claims that lack empirical evidence?
Options:
A. skepticism
B. independent variable
C. conspiracy
D. speculation | A |
Question: Cardiovascular disease, some types of cancer, type 2 diabetes, and obesity are considered what kind of preventable diseases?
Options:
A. environmental diseases
B. lifestyle diseases
C. age diseases
D. atmosphere diseases | B |
Question: What process is the primary function of the branching internal tubules called protonephridia?
Options:
A. osmoregulation
B. enculturation
C. calcification
D. thermoregulation | A |
Question: Which law means that the simplest of competing theories is most likely to be correct?
Options:
A. Law of Conservation
B. Newton's law
C. law of parsimony
D. Murphy's Law | C |
Question: Iron will do what when it is exposed to oxygen and water?
Options:
A. rust
B. contract
C. become hot
D. expand | A |
Question: About how many days does it take the moon to make one orbit around the earth?
Options:
A. 28
B. 30
C. 21
D. 22 | A |
Question: The most common two-lens telescope, like the simple microscope, uses lenses of what shape?
Options:
A. cylindrical
B. angular
C. convex
D. concave | C |
Question: Glucose, galactose, and fructose are all what?
Options:
A. alucoxes
B. fluxes
C. structoxes
D. hexoses | D |
Question: Which property can you study by comparing the mass of an object relative to its size?
Options:
A. weight
B. motion
C. volume
D. density | D |
Question: What term means the percent by mass of each element in a compound?
Options:
A. molecular composition
B. percent composition
C. calculated composition
D. mass composition | B |
Question: The combined gas law involves three properties of a gas - volume, absolute temperature, and what?
Options:
A. power
B. direction
C. time
D. pressure | D |
Question: What is the force of attraction that holds together positive and negative ions?
Options:
A. magnetic bond
B. integral bond
C. electron bond
D. ionic bond | D |
Question: In the lungs, bicarbonate is transported back into the red blood cells in exchange for what?
Options:
A. glucose
B. phosphate
C. chloride
D. oxygen | C |
Question: What is defined as an organism in the earliest stages of development?
Options:
A. an nucleus
B. a zygote
C. an embryo
D. a gamete | C |
Question: Microevolution occuring and taking place over many generations results in?
Options:
A. microinjection
B. recalibration
C. macroevolution
D. fission | C |
Question: What do craters and rifts become when they fill with water?
Options:
A. lakes
B. streams
C. rivers
D. seas | A |
Question: What system carries messages from sense organs and internal organs to the central nervous system?
Options:
A. peripheral nervous system
B. sensitive nervous system
C. respiratory system
D. auxiliary nervous system | A |
Question: What disease is described as a respiratory disorder characterized by wheezing, coughing, and a feeling of constriction in the chest?
Options:
A. indigestion
B. inflammation
C. asthma
D. dementia | C |
Question: What is used to darken images of the sky?
Options:
A. uv filter
B. neutral density filter
C. polarizing filters
D. close-up filter | C |
Question: A tumor of what gland can cause hypersecretion of growth hormone?
Options:
A. Parathyroid
B. Pancreas
C. tissues gland
D. pituitary gland | D |
Question: After the blood in the pulmonary capillaries becomes saturated with oxygen, it leaves the lungs and travels where?
Options:
A. to the lungs
B. to the brain
C. to the heart
D. to the kidneys | C |
Question: Depending on the surrounding conditions, normal matter usually exists as one of three phases: solid, liquid, or this?
Options:
A. crystal
B. ice
C. gas
D. fluid | C |
Question: What celestial bodies are classified by color and temperature, ranging from blue to red and hottest to coolest?
Options:
A. astroids
B. stars
C. planets
D. galaxies | B |
Question: What carries small pollen grains farther than they otherwise would go?
Options:
A. humidity
B. birds
C. steam
D. wind | D |
Question: What do rocket-based systems use to propel itself into space?
Options:
A. chemical reactions
B. hydrogen reactions
C. nuclear reactions
D. water reactions | A |
Question: What term simply means sensitive beyond normal levels of activation?
Options:
A. hyposensitivity
B. monosensitivity
C. hypersensitivity
D. isosensitivity | C |
Question: The hypothalamic releasing and inhibiting hormones are secreted near capillaries at the base of the what?
Options:
A. lungs
B. hippocampus
C. pancreas
D. hypothalamus | D |
Question: A microscope can be made from two of what kind of lenses?
Options:
A. angular
B. inner
C. outer
D. convex | D |
Question: What produces almost one-half of the earth's oxygen through photosynthesis?
Options:
A. protists
B. arthropods
C. algae
D. prokaryotes | A |
Question: What is said to occur when both traits appear in a heterozygous offspring?
Options:
A. pollenation
B. codominance
C. identical twins
D. xenophobia | B |
Question: What type of response do signal transductions within target cells bring about?
Options:
A. physiological
B. psychological
C. resporatory
D. bacterial | A |
Question: What happens to meteors as they fall through the mesosphere?
Options:
A. they bounce
B. they burn
C. they grow
D. they stop suddenly | B |
Question: What are the three main types of rocks?
Options:
A. crystalline , igneous and metamorphic
B. sedimentary, igneous and metamorphic
C. limestone , igneous and metamorphic
D. plutonic, igneous and metmorphic | B |
Question: What is the only continent without amphibians?
Options:
A. antarctica
B. Europe
C. Africa
D. Australia | A |
Question: A hair grows out of a follicle and passes through what before extending above the skin surface?
Options:
A. cartilage
B. dermis
C. callus
D. epidermis | D |
Question: What are the long, thin structures that protrude from the cell membrane and help single-celled organisms move or swim towards food?
Options:
A. sporangia
B. microvilli
C. flagella
D. tentacles | C |
Question: What is the unit of evolution?
Options:
A. the cell
B. a phylum
C. dna
D. the population | D |
Question: What occurs where the water motion slows?
Options:
A. vapor
B. erosion
C. diffusion
D. deposition | D |
Question: The force on a charged particle in a magnetic field is always perpendicular to both its velocity vector and the?
Options:
A. field vector
B. position vector
C. gravity vector
D. track vector | A |
Question: What is the process of removing wastes and excess water from the body called?
Options:
A. ingestion
B. inspiration
C. diffusion
D. excretion | D |
Question: What is the skeleton of the cell?
Options:
A. cytoplasm
B. cell membrane
C. cell wall
D. cytoskeleton | D |
Question: A salt concentration of 32 percent is nearly ten times that of what abundant resource?
Options:
A. fresh water
B. algae
C. oxygen
D. seawater | D |
Question: Atoms of one element can be transformed into another through which process?
Options:
A. nuclear reactions
B. developed reactions
C. longer reactions
D. magnetic reactions | A |
Question: Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs?
Options:
A. left ventricle
B. left bivalve
C. left atrium
D. right atrium | D |
Question: Dna replication, chromosome segregation, and the separation into two daughter cells are steps in what process?
Options:
A. nuclear fission
B. reproductive fission
C. binary fission
D. multiple fission | C |
Question: In science, what is defined as the transfer of energy from a vibrating object in waves that travel through matter?
Options:
A. energy
B. vibration
C. sound
D. photons | C |
Question: Where in the cell does transcription occur?
Options:
A. protoplasm
B. cell wall
C. nucleus
D. epidermis | C |
Question: Hydrogen peroxide is commonly sold as a 3% by volume solution for use as a what?
Options:
A. disinfectant
B. detergent
C. antiseptic
D. surfactant | A |
Question: In plants, pigment molecules absorb only visible light for photosynthesis. the visible light seen by humans as white light actually exists in a what?
Options:
A. transparency
B. invisible spectrum
C. rainbow of colors
D. vacuum | C |
Question: When an acid and base solutions react, they produce water and a neutral ionic compound known as what?
Options:
A. pollen
B. sand
C. dirt
D. salt | D |
Question: In the body, oxygen is used by cells of the body’s tissues and carbon dioxide is produced as what?
Options:
A. fuel
B. food
C. waste product
D. oxygen | C |
Question: Chemical digestion in the small intestine cannot occur without the help of the pancreas and what bile-producing organ?
Options:
A. stomach
B. heart
C. liver
D. kidney | C |
Question: What property are alkali metals at room temperature?
Options:
A. mixed
B. solid
C. solid
D. liquid | B |
Question: What is the name of the smallest planet in our solar system, which is also nearest to the sun?
Options:
A. jupitor
B. mercury
C. mars
D. earth | B |
Question: All gymnosperm species and many eudicot species undergo what?
Options:
A. exploitation
B. secondary growth
C. mutations
D. third growth | B |
Question: Slow-twitch or fast-twitch and oxidative or glycolytic describe what type of fibers?
Options:
A. capillaries
B. digestion muscle fibers
C. coronary muscle fibers
D. skeletal muscle fibers | D |
Question: Plants have a touch response known as what?
Options:
A. trichina
B. thigmotropism
C. photosynthesis
D. pollenation | B |
Question: What is at the center of our solar system?
Options:
A. the Kuiper Belt
B. earth
C. the moon
D. the sun | D |
Question: The different types of what systems work together to carry out all the life functions of the individual?
Options:
A. organ systems
B. maturation systems
C. digestive systems
D. heartbeat systems | A |
Question: Why is uranus so faint?
Options:
A. polluted atmosphere
B. too cold
C. too small
D. far away | D |
Question: Which systems work together to provide cells with the oxygen they need for cellular respiration?
Options:
A. respiratory and lymph systems
B. respiratory and circulatory systems
C. circulatory and digestive systems
D. muscular and lymph systems | B |
Question: What organs have tiny tubes leading to and from elastic air sacs that improve airflow and oxygen uptake?
Options:
A. ovaries
B. apendix
C. liver
D. lungs | D |
Question: What is produced when sulfur and oxygen combine?
Options:
A. sulfur oxide
B. hydrogen oxide
C. Basic Oxides
D. Acidic oxides | A |
Question: A skeleton that consists of hard, mineralized structures located within the soft tissue of organisms is called what?
Options:
A. exoskeleton
B. hydrostatic skeleton
C. calcium deposits
D. endoskeleton | D |
Question: What evolutionary process does not favor altruistic behavior that causes the death of the altruist?
Options:
A. flow selection
B. natural selection
C. characteristic selection
D. random selection | B |
Question: In seed plants, after fertilization, what will the ovule eventually develop into?
Options:
A. cone
B. root
C. flower
D. seed | D |
Question: What is the message sent from the nucleus to the ribosome?
Options:
A. mitochondria
B. dna
C. rna
D. mrna | D |
Question: The phagocytes that are part of the body’s second line of defense attack any of what that they encounter?
Options:
A. vaccines
B. parasites
C. pathogens
D. viruses | C |
Question: Fungi are no longer classified as what, possessing cell walls made of chitin rather than cellulose?
Options:
A. plants
B. roots
C. eukaryotes
D. flowers | A |
Question: What kind of compounds are named for their positive metal ion first, followed by their negative nonmetal ion?
Options:
A. ionic compounds
B. horizontal compounds
C. magnetic compounds
D. magnetic compounds | A |
Question: Endoscopes are used to explore the body through various orifices or these?
Options:
A. dermal tears
B. ocular cavity
C. minor incisions
D. major incisions | C |
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