question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: Insulin is made up of how many polypeptide chains?
Options:
A. three
B. two
C. twelve
D. four | B |
Question: What is the term for the energy of movement?
Options:
A. intrinsic energy
B. molecular energy
C. mechanical energy
D. potential energy | C |
Question: What type of organisms are helpless at birth and require lots of help from their parents?
Options:
A. precocial organisms
B. Microorganisms
C. multicellular organisms
D. altricial organisms | D |
Question: Metallic bonds allow metals to do what, in the manner of a willow tree?
Options:
A. stand tall
B. break easily
C. bend without breaking
D. grow | C |
Question: What is a substance that can not be broken down any further into other substances?
Options:
A. pure molecule
B. unbreakable substance
C. pure material
D. pure substance | D |
Question: What three characteristics do waves have?
Options:
A. theory , refraction and deflection
B. structure , refraction and deflection
C. reflection, refraction and deflection
D. spin, refraction, and deflection | C |
Question: What organ creates bile?
Options:
A. heart
B. pancreas
C. liver
D. kidney | C |
Question: What is the smallest and most fundamental unit of matter, consisting of a nucleus surrounded by electrons?
Options:
A. neutron
B. molecule
C. proton
D. atom | D |
Question: Mutation of beneficial proto-oncogenes is a prime culprit in what disease?
Options:
A. heart disease
B. cancer
C. diabetes
D. obesity | B |
Question: What happens to charges whenever they are accelerated?
Options:
A. they radiate
B. they fuse
C. they darken
D. they die | A |
Question: What is it in bone marrow transplants that may cause a graft versus host reaction?
Options:
A. tumors
B. neutrophils
C. cancer
D. lymphocytes | D |
Question: The vagina starts at the vulva and ends where?
Options:
A. pelvic brim
B. testicle
C. the uterus
D. clitoris | C |
Question: Regulatory proteins bind to regulatory elements to control what?
Options:
A. mutation
B. growth
C. transcription
D. differentiation | C |
Question: Microfilaments are mostly concentrated just beneath what?
Options:
A. the cell membrane
B. the cytoplasm
C. the cell wall
D. the nucleus | A |
Question: What term is used for any combination of two or more atoms?
Options:
A. synthesis
B. element
C. molecule
D. nucleus | C |
Question: What is biomass made into fuel called?
Options:
A. toxic fuel
B. benign fuel
C. renewable fuel
D. bio fuel | D |
Question: What type of thin lava forms shapes and tubes as it flows?
Options:
A. spicule
B. xerophyte
C. xeric
D. pāhoehoe | D |
Question: The nucleolus, which makes ribosomes, is located within what cell structure?
Options:
A. Golgi apparatus
B. epidermis
C. mitochondria
D. nucleus | D |
Question: Electrons flow through the electrolyte from the ________ to __________ electrode.
Options:
A. negative; positive
B. negative; neutral
C. neutral; negative
D. positive; negative | A |
Question: What is the name of the part that connects the vagina with the uterus?
Options:
A. urethra
B. ovary
C. vulva
D. cervix | D |
Question: No-till farming is one effort to combat what, caused by typical farming practices?
Options:
A. drought
B. soil erosion
C. pollution
D. habitat destruction | B |
Question: Geysers are created when what is heated beneath the earth's surface?
Options:
A. gases
B. magma
C. air
D. water | D |
Question: Increasing voltage with a higher-volt battery does what to the current?
Options:
A. decreases it
B. stops it
C. increases it
D. blocks it | C |
Question: Hydrogen peroxide will decompose over time to produce _______ gas.
Options:
A. methane
B. water and oxygen
C. water and carbon dioxide
D. hydrogen and helium | B |
Question: What kind of pipettes are suitable for measuring very small amounts of liquids?
Options:
A. frozen pipettes
B. micropipettes
C. macropipettes
D. clutch pipettes | B |
Question: What is the measure of the force of gravity pulling down on an object called?
Options:
A. volume
B. mass
C. factor
D. weight | D |
Question: Boiling points increase with which kind of mass?
Options:
A. universal mass
B. protons mass
C. lipid mass
D. molar mass | D |
Question: The largest absorption of heat comes during the vaporization of what?
Options:
A. magma
B. ice
C. carbon dioxide
D. liquid water | D |
Question: What do fungi absorb to get their nutrition?
Options:
A. soil
B. organic compounds from other organisms
C. air
D. water | B |
Question: The variable is the speed of light. for the relationship to hold mathematically, if the speed of light is used in m/s, the wavelength must be in meters and the frequency in what?
Options:
A. miles
B. gigawatts
C. hertz
D. centimeters | C |
Question: A yolk sac replaces what structure for nourishing a marsupial embryo?
Options:
A. placenta
B. uterus
C. Stomach
D. glucose | A |
Question: What is the pressure of gas in a gas mixture termed?
Options:
A. gaseous pressure
B. gaseous energy
C. partial energy
D. partial pressure | D |
Question: Making ups about 50 percent of the modern american diet, what food group can be classified according to the number of monomers they contain of simple sugars and/or complex sugars?
Options:
A. carbohydrates
B. proteins
C. fats
D. grains | A |
Question: What is the process of the fusion of a sperm and an egg called?
Options:
A. fertilization
B. stimulation
C. Sperm
D. embryo | A |
Question: What is the motion that moves the forearm from the supinated position to the pronated position?
Options:
A. pronation
B. supination
C. extension
D. flexion | A |
Question: What organ system consists of the skin, nails and hair?
Options:
A. digestive system
B. integumentary system
C. endocrine system
D. nervous system | B |
Question: What does it mean to be a diploid organism?
Options:
A. taproot has two copies of each gene
B. yolk has two copies of each gene
C. micelles have two copies of each gene
D. organism has two copies of each gene | D |
Question: What do you call the carbohydrate formed when two monosaccharides bond together?
Options:
A. hydroxyl
B. disaccharide
C. calcite
D. glucose | B |
Question: What is the term for a resource that is used in a way that meets the needs of the present without keeping future generations from meeting their needs?
Options:
A. sustainable
B. tolerable
C. structural
D. innovative | A |
Question: The genes that code for the positive cell cycle regulators are called what?
Options:
A. ribosomes
B. proto-oncogenes
C. primary genes
D. stem cell genes | B |
Question: What are essential for pollination, but can spread disease and destroy crops?
Options:
A. fruits
B. mice
C. spiders
D. insects | D |
Question: Branching food chains and complex trophic interactions form what?
Options:
A. food trees
B. food maps
C. food fields
D. food webs | D |
Question: The chemical behavior of elements can largely be explained by what?
Options:
A. neutron configuration
B. proton configuration
C. electron configurations
D. chemical configuration | C |
Question: Metalloids, metals, and nonmetals are all classes of what?
Options:
A. matter
B. elements
C. protons
D. compounds | B |
Question: How does air always flow?
Options:
A. in to out
B. left to right
C. high to low
D. low to high | C |
Question: What type of invisible waves are used in microwaves?
Options:
A. convection
B. radiation
C. thermal
D. electric | B |
Question: Which muscular organ pumps blood all around your body?
Options:
A. lungs
B. stomach
C. pancreas
D. heart | D |
Question: What causes the changes of puberty?
Options:
A. insulin
B. estrogen
C. testosterone
D. glucose | B |
Question: If a sedimentary rock layer is not horizontal, what is it?
Options:
A. mineralized
B. deformed
C. igneous
D. striated | B |
Question: What system, which includes the skin, plays important roles in protection, sensing stimuli and thermoregulation?
Options:
A. teleporters system
B. pectins system
C. digestive system
D. integumentary system | D |
Question: What type of plant tissue transports water and dissolved mineral upward to the leaves?
Options:
A. phloem
B. xylem
C. collagen
D. ectoderm | B |
Question: What can lenses be used to make?
Options:
A. function representations
B. visual representations
C. comparison representations
D. aspect representations | B |
Question: Surface tension is a property of matter that is in what state?
Options:
A. water
B. mixture
C. Base
D. liquid | D |
Question: Amphibians have permeable skin which allows for the exchange of oxygen and carbon dioxide, what is this "breathing called?"
Options:
A. variant respiration
B. cutaneous respiration
C. benign respiration
D. aquatic respiration | B |
Question: What is the main component of paper, cardboard, and textiles made from cotton, linen, and other plant fibers?
Options:
A. vascular tissue
B. pulp
C. cellulose
D. cambium | C |
Question: What theory explains the physical behavior of gases?
Options:
A. relativity theory of gases
B. thermodynamic theory of gases
C. quantum theory of gases
D. kinetic theory of gases | D |
Question: Only finished mrnas are exported from the nucleus to what?
Options:
A. electron
B. cytoplasm
C. cerebellum
D. amino acids | B |
Question: What is the largest artery in the body called?
Options:
A. carotid
B. subclavian
C. aorta
D. femoral | C |
Question: What type of change has occurred when a copper penny changes color?
Options:
A. carbon change
B. reactive change
C. contamination change
D. chemical change | D |
Question: A switch in a circuit controls the flow of what, specifically, within the circuit?
Options:
A. current
B. pressure
C. density
D. resistance | A |
Question: What causes fertilization to occur?
Options:
A. accumulation and an egg fuse
B. genetic and an egg fuse
C. tissue and an egg fuse
D. sperm and an egg fuse | D |
Question: Because they spread seeds, fruits are an agent of what?
Options:
A. propagation
B. dispersal
C. disposal
D. predation | B |
Question: Proto-oncogenes normally help regulate what?
Options:
A. cell division
B. cell function
C. cell death
D. cell transition | A |
Question: The "double helix" shape is associated with what substance found in cells?
Options:
A. dna
B. genes
C. plasma
D. bacteria | A |
Question: What do you call the physical environment in which a species lives and to which it is adapted?
Options:
A. domain
B. habitat
C. ecosystem
D. environment | B |
Question: What is the outer core made of?
Options:
A. compressed air
B. solid iron
C. solid rock
D. liquid metal | D |
Question: What type of eukaryotes are protists normally?
Options:
A. unicellular
B. multicellular
C. photosynthetic
D. immature | A |
Question: An inclined plane is a good example of what kind of machine?
Options:
A. simple
B. complex
C. weak
D. strong | A |
Question: The pressure of a sample of gas is measured with an open-end what?
Options:
A. thermometer
B. manometer
C. altimeter
D. barometer | B |
Question: Bog destruction in scotland is an example of the widespread loss of what kind of habitat?
Options:
A. desert
B. ocean
C. wetland
D. tundra | C |
Question: What part of the plant has a root end and a shoot end?
Options:
A. axis
B. pistol
C. leaves
D. radius | A |
Question: Hardness, density, color, and melting and boiling points are all considered what types of properties?
Options:
A. visible
B. physical
C. chemical
D. thermal | B |
Question: Low levels of thyroid hormones in the blood cause the release of what by the hypothalamus and pituitary gland?
Options:
A. enzymes
B. acids
C. hormones
D. bases | C |
Question: The energy changes in what reactions are enormous compared with those of even the most energetic chemical reactions, and they result in a measurable change of mass?
Options:
A. nuclear reactions
B. methane combustion
C. molecular reaction
D. metabolic reaction | A |
Question: What type of chemistry is the study of the composition of matter?
Options:
A. analytical
B. symbolic
C. philosophical
D. reactive | A |
Question: Scientists did not actually see viruses until what was invented?
Options:
A. telescope
B. electron microscope
C. electronic scale
D. magnifying glass | B |
Question: Regularly done aerobic activities can help build up endurance and make what vital organ stronger?
Options:
A. stomach
B. brain
C. skin
D. heart | D |
Question: What do all chemical sections need to get started?
Options:
A. pressure
B. energy
C. speed
D. work | B |
Question: What do people apply to their lawns that causes water pollution?
Options:
A. chemicals
B. water
C. seeds
D. manure | A |
Question: What do vertebrates possess that is made up of repeating bony units?
Options:
A. notochord
B. spinal cord
C. skull
D. vertebral column | D |
Question: How long does it take for earth to rotate on it's axis one time?
Options:
A. 24 hours
B. 26 hours
C. 6 hours
D. 12 hours | A |
Question: In what system can energy change forms but the total amount of energy stay constant?
Options:
A. primary
B. open
C. closed
D. heterogeneous | C |
Question: What characteristics of an organism help it survive?
Options:
A. additions
B. adaptations
C. systems
D. Changes | B |
Question: The major component of a solution is called what?
Options:
A. solvent
B. solute
C. water
D. mixture | A |
Question: What type of pollution is generated by power plants and factories that can directly raise the temperature of water?
Options:
A. variable pollution
B. atmospheric pollution
C. thermal pollution
D. Space Pollution | C |
Question: Nearly all of what are constructed from a set of just 20 common amino acids?
Options:
A. biological proteins
B. mammal proteins
C. artifical proteins
D. complex proteins | A |
Question: What takes place when water on earth’s surface changes to water vapor?
Options:
A. transpiration
B. condensation
C. evaporation
D. absorption | C |
Question: The muscles of the anterior neck assist in deglutition also known as what?
Options:
A. staring
B. swallowing
C. breathing
D. pulling | B |
Question: Cells infected with viruses secrete what example of early induced proteins, which travel to adjacent cells and induce them to make antiviral proteins, a sacrifice that protects the surrounding cells?
Options:
A. prokaryotes
B. metabolites
C. hormones
D. interferons | D |
Question: What term is used to describe changes to an organism’s dna and are an important driver of diversity in populations?
Options:
A. evolutions
B. mutations
C. adaptations
D. pathogens | B |
Question: Molecules with a carboxyl group are called what?
Options:
A. catalyzed acids
B. Fatty acids
C. acetic acids
D. carboxylic acids | D |
Question: What type of galaxies have a rotating disk of stars and dust, a bulge in the middle, and several arms?
Options:
A. round galaxies
B. pinwheel galaxies
C. spiral galaxies
D. spherical galaxies | C |
Question: How is carbon dioxide and water vapor that is produced by cellular respiration released?
Options:
A. peroxidation
B. fermentation
C. exhalation
D. evaporation | C |
Question: What occurs when there are differences in fitness among a population?
Options:
A. natural process
B. natural change
C. evolution
D. natural selection | D |
Question: A group of living things and their environment is called what?
Options:
A. community
B. population
C. biome
D. ecosystem | D |
Question: Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?
Options:
A. their scales
B. their wings
C. their hairs
D. their external skeleton | D |
Question: The effects of which kind of selection are larger than the effects of direct natural selection on individuals?
Options:
A. unnatural selection
B. topical selection
C. kin selection
D. stranger selection | C |
Question: Superconductors are materials with a resistivity of?
Options:
A. high magnitude
B. zero
C. above zero
D. greater density | B |
Question: What affects how high a cake rises when it bakes?
Options:
A. air pressure
B. air movement
C. current pressure
D. air currents | A |
Question: Binary fission is an example of which type of production?
Options:
A. algal
B. asexual
C. primitive
D. sexual | B |
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