question stringlengths 68 502 | answer stringclasses 4
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Question: Snow and ice may also undergo which process where there is intense sunlight, very cold temperatures, and dry winds?
Options:
A. crystalline
B. sublimation
C. amplification
D. increasefixation | B |
Question: Electromagnets can be controlled by controlling what type of current?
Options:
A. electric
B. negative
C. positive
D. magnetic | A |
Question: The rate of evolution is influenced by the rate of changes to what?
Options:
A. the environment
B. the earth
C. dna
D. migration | A |
Question: What do you call a device that produces a very focused beam of visible light of just one wavelength and color?
Options:
A. optical diffuser
B. light meter
C. laser
D. fusion relay | C |
Question: Bubbles in bread dough are created by what gas produced during alcoholic fermentation?
Options:
A. acid dioxide
B. combustion dioxide
C. yeast dioxide
D. carbon dioxide | D |
Question: What is the capacity to cause change?
Options:
A. gravity
B. mass
C. energy
D. temperature | C |
Question: Ocean currents transfer heat from the equator towards what locations?
Options:
A. east and west
B. tropical zones
C. poles
D. continents | C |
Question: In sexual reproduction, two of what unite to produce an offspring?
Options:
A. chromosomes
B. spores
C. DNA strands
D. gametes | D |
Question: What are the ends of long bones called?
Options:
A. appendage
B. marrow extension
C. cartilage
D. epiphysis | D |
Question: Convection is the transfer of thermal energy by particles moving through what?
Options:
A. Metal
B. Solid
C. tissue
D. fluid | D |
Question: What happens when waves reach the shore?
Options:
A. repel and attract
B. diffuse and recede
C. surge and drown
D. topple and break | D |
Question: What is an involuntary muscle contraction that moves rapidly along an organ like a wave called?
Options:
A. esophagus
B. ruptured nerve
C. peristalsis
D. apoptosis | C |
Question: What is the purpose of water molds in fresh water environments?
Options:
A. oxygen production
B. fish food
C. wave production
D. decomposition | D |
Question: What corrosive substances capable of dissolving many metals can cause contamination if spilled?
Options:
A. ions
B. salts
C. bases
D. acids | D |
Question: What is always conserved in chemical reactions?
Options:
A. force
B. mass
C. energy
D. bonds | B |
Question: A polyatomic ion is an ion composed of more than one what?
Options:
A. atom
B. pair bond
C. nucleus
D. neutron | A |
Question: Mutualism is an interaction between individuals of two different species that has what effect on both of them?
Options:
A. abnormal
B. harmful
C. beneficial
D. neutral | C |
Question: What are the structural and functional units of the nervous system, which transmit nerve impulses to other cells?
Options:
A. ions
B. axions
C. electrons
D. neurons | D |
Question: If hot water becomes trapped, pressure may build up. when the water breaks free, it creates what?
Options:
A. groundwater
B. glacier
C. geyser
D. steam | C |
Question: What electrical force is responsible for fission?
Options:
A. repulsion
B. velocity
C. momentum
D. friction | A |
Question: Which law states that a pair of alleles is separated, or segregated, during the formation of gametes?
Options:
A. de facto segregation
B. law of equals
C. separation anxiety
D. law of segregation | D |
Question: Sounds or pictures can be encoded in pulses of what, which are then sent through an optical fiber?
Options:
A. kinetic energy
B. quasars
C. laser light
D. microwaves | C |
Question: What substance are physical objects are made of?
Options:
A. energy
B. matter
C. friction
D. gravity | B |
Question: Why do mangrove trees rise high above the water? which characteristic help them to do so?
Options:
A. heavy roots
B. fat roots
C. stilt like roots
D. no roots | C |
Question: What fertilizes an egg during sexual reproduction?
Options:
A. gametes
B. sperm
C. mucus
D. cytoplasm | B |
Question: How does the fungus benefit from the photosynthesizer?
Options:
A. shade
B. supply of carbon dioxide
C. supply of food
D. protection from chemicals | C |
Question: What is the name for unsaturated hydrocarbons that contain at least one double bond?
Options:
A. alkenes
B. acids
C. enzymes
D. lipids | A |
Question: What is the term for a loop in which a product feeds back to control its own production?
Options:
A. feedback mechanism
B. Adaptive Mechanism
C. load mechanism
D. Recondition Mechanism | A |
Question: During what period on earth was coal formed?
Options:
A. Neoproterozoic
B. Mesozoic
C. Neoproterozoic era
D. the carboniferous period | D |
Question: What is the term for the visible part of the electromagnetic spectrum?
Options:
A. electricity
B. chroma
C. gravity
D. light | D |
Question: Which vertebrates were the first with four limbs?
Options:
A. birds
B. amphibians (or tetrapods)
C. reptiles
D. bony fishes | B |
Question: How do plants support themselves above the ground to get light and oxygen?
Options:
A. stiff stems
B. flaccid stems
C. momentum
D. symbiosis | A |
Question: What process starts with glucose and ends with two pyruvate molecules, a total of four atp molecules and two molecules of nadh?
Options:
A. glycolysis
B. photosynthesis
C. absorption
D. secretion | A |
Question: What paired organs help regulate blood pressure through sodium ion and water retention and loss?
Options:
A. tissues
B. lungs
C. lymph nodes
D. kidneys | D |
Question: What is the age-related disorder that causes the gradual loss of bone density and strength?
Options:
A. fibrosis
B. osteoporosis
C. mitosis
D. arthritis | B |
Question: What are microfilaments made out of?
Options:
A. two DNA chains
B. two halophilic chains
C. two microscopy chains
D. two actin chains | D |
Question: Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
Options:
A. hip
B. cranium
C. toe
D. foot | A |
Question: What bifurcates into the right and left bronchi in the lungs?
Options:
A. neck
B. trachea
C. cornea
D. aorta | B |
Question: What is the spreading of white light into its full spectrum of wavelengths called?
Options:
A. saturation
B. radiate
C. condensation
D. dispersion | D |
Question: What type of fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water?
Options:
A. static
B. external
C. material
D. Internal | B |
Question: What is the energy of motion called?
Options:
A. harmonic energy
B. inertia
C. kinetic energy
D. stasis | C |
Question: Overharvesting is especially challenging for species with what type of habitat?
Options:
A. tundra
B. allowed
C. restricted
D. classified | C |
Question: What is a representation of the valence electrons of an atom that uses dots around the symbol of the element?
Options:
A. watson structure
B. right structure
C. time structure
D. lewis structure | D |
Question: Massive quanta, like electrons, also act like macroscopic particles—something we expect, because they are the smallest what?
Options:
A. battalions of matter
B. units of matter
C. regiments of matter
D. depth of matter | B |
Question: The simplest example of what type of 'organ system' is the gastrovascular cavity found in organisms with only one opening for the process?
Options:
A. respiratory
B. digestive
C. cardiovascular
D. nervous | B |
Question: Photographs of the heat emitted by an object are called what?
Options:
A. thermal images
B. variable images
C. radio images
D. cosmic images | A |
Question: Graphite is a form of elemental carbon what is another form?
Options:
A. carbonite
B. iron
C. diamond
D. magnite | C |
Question: If everything else stays the same in a system with a gas in it, and the gas gets warmer, what will happen to its pressure, generally?
Options:
A. it stays the same
B. it drops
C. it increases
D. it's eliminated | C |
Question: What term means a failure, insufficiency, or delay in the response of the immune system, which may be acquired or inherited?
Options:
A. pathogenic
B. vitamin deficiency
C. anemia
D. immunodeficiency | D |
Question: The mature pollen grain is composed of two cells: the pollen tube cell and which other cell?
Options:
A. generative cell
B. ova
C. photosynthesis cell
D. glial cell | A |
Question: The neck of the uterus, called the cervix, opens into what?
Options:
A. retina
B. bladder
C. testicle
D. vagina | D |
Question: Where does the small intestine begin?
Options:
A. spleen
B. stomach
C. mouth
D. colon | B |
Question: What type of shape does a pelvic inlet have?
Options:
A. conical
B. cylindrical
C. oval shape
D. cubic | C |
Question: Which stage of life is typically easier for learning multiple languages?
Options:
A. adulthood
B. childhood
C. adolescenc
D. infancy | B |
Question: What is released from the body during ejaculation?
Options:
A. urine
B. saliva
C. sperm
D. blood | C |
Question: An organism's unique role in the ecosystem is called its what?
Options:
A. niche
B. focus
C. purpose
D. adaptation | A |
Question: With the exception of water, what accounts for more mass than any other component of living organisms?
Options:
A. nervous tissue
B. hormones
C. fats
D. proteins | D |
Question: Atoms are combined, separated, or rearranged during what?
Options:
A. radiation
B. chemical reactions
C. physical reactions
D. spontaneous mutation | B |
Question: How many electrons does lithium have?
Options:
A. three
B. two
C. seven
D. four | A |
Question: What is considered the center of the solar system?
Options:
A. earth
B. sun
C. nebulla
D. heat | B |
Question: What is the purpose of your body's first line of defense?
Options:
A. reject foreign bodies
B. to keep out pathogens
C. fight or flight
D. heal wounds | B |
Question: What functions as a framework that reinforces the shape of the leaf?
Options:
A. the central structure
B. the normal structure
C. the stylised structure
D. the vascular structure | D |
Question: Like quarks, gluons may be confined to systems having a total color of what?
Options:
A. red
B. blue
C. white
D. yellow | C |
Question: The ozone layer protects the earth from what?
Options:
A. pollution
B. uv radiation
C. light waves
D. radio waves | B |
Question: What type of learning is based on past experience and reasoning?
Options:
A. theory
B. reflect
C. experiment
D. insight | D |
Question: What type of energy from a warm cola results in melting when it is transferred to the much colder ice?
Options:
A. thermal energy
B. cyclic energy
C. protective energy
D. gaseous energy | A |
Question: What is the term for a connection between a neuron and its target cell?
Options:
A. synapse
B. axon
C. dendrite
D. impulse | A |
Question: What does the slope of a position-time graph represent?
Options:
A. acceleration
B. direction
C. trajectory
D. velocity | D |
Question: What effect causes an object to appear to have a change of motion?
Options:
A. coriolis effect
B. momentum effect
C. centrifugal effect
D. resonant effect | A |
Question: A carcinogen is nything in the environment that can cause what disease?
Options:
A. diabetes
B. alzheimers
C. cancer
D. glaucoma | C |
Question: What does the blue color of the pulmonary arteries reflect?
Options:
A. they are oxygenated
B. they are done
C. they are lost
D. they are deoxygenated | D |
Question: The trade winds are nearest what?
Options:
A. poles
B. equator
C. boundary plates
D. inland | B |
Question: Digestion of polysaccharides and disaccharides in the small intestine produces glucose and other?
Options:
A. fat
B. monosaccharides
C. protein
D. nitrates | B |
Question: What is the term for the smallest blood vessels?
Options:
A. arteries
B. Aortas
C. muscles
D. capillaries | D |
Question: In what type of body of water is most of the earth's water located?
Options:
A. seas
B. rivers
C. streams
D. oceans | D |
Question: What is one problem with current methods of aluminum production?
Options:
A. competition
B. environmental contaminants
C. food shortages
D. recycling is cheap | B |
Question: What makes the earth habitable for humans?
Options:
A. carbonate of water
B. aridity of water
C. availability of water
D. abundance of water | D |
Question: Which kind of flowers carry both male and female floral organs?
Options:
A. stunning flowers
B. creating flowers
C. perfect flowers
D. Upward Flowers | C |
Question: Historically, certain bacteriophages have also been used as cloning vectors for making what?
Options:
A. diverse libraries
B. ultraviolet libraries
C. genomic libraries
D. specific libraries | C |
Question: An allele is an alternative form of what structure?
Options:
A. enzyme
B. amino acid
C. gene
D. protein | C |
Question: All photosynthetic organisms contain a pigment called what?
Options:
A. chlorophyll
B. Fiber
C. sodium
D. carbonate | A |
Question: Mammals may either be herbivores, omnivores or what else?
Options:
A. neither
B. carnivores
C. polyvores
D. herbivores | D |
Question: What phenomenon sometimes causes harmful alleles to become fixed?
Options:
A. spontaneous mutation
B. competition
C. natural selection
D. genetic drift | D |
Question: How do you determine the atomic weight of an element?
Options:
A. divide protons and neutrons
B. multiply protons and neutrons
C. add up protons and neutrons
D. subtract protons from electrons | C |
Question: Sodium and chlorine combine to make what?
Options:
A. salt
B. iron
C. seawater
D. gold | A |
Question: What can bacterial stis be cured with?
Options:
A. antiviral drugs
B. antibiotics
C. antioxidants
D. pesticides | B |
Question: What do bees do for flowering plants?
Options:
A. eat
B. pollinate
C. create
D. feed | B |
Question: Where do streams often start?
Options:
A. valleys
B. oceans
C. plains
D. mountains | D |
Question: Deletions remove one or more what from the dna?
Options:
A. exons
B. codons
C. genes
D. nucleotides | D |
Question: For geneticists, the findings of what massive undertaking are significant in determining disease-causing alleles?
Options:
A. human produce project
B. Visible Human Project
C. human organisms project
D. human genome project | D |
Question: Does deforestation increase or decrease carbon dioxide levels around the world?
Options:
A. accelerate
B. decrease
C. increase
D. eliminate | C |
Question: Which material used in oxyacetylene torches helps cut and weld metals?
Options:
A. dioxide
B. sulfur
C. acetylene
D. carbon | C |
Question: Peroxisomes perform a couple of different functions, including lipid metabolism and chemical detoxification. in contrast to the digestive enzymes found in lysosomes, the enzymes within peroxisomes serve to transfer hydrogen atoms from various molecules to oxygen, producing what?
Options:
A. hydrogen peroxide
... | A |
Question: Ethylene, gibberellins, cytokinins, absciscic acid, and auxins are examples of what?
Options:
A. animal hormones
B. plant hormones
C. animal proteins
D. insect hormones | B |
Question: What are some uses of chlorine gas?
Options:
A. cleaning, disinfecting and in swimming pools
B. rooting plant cuttings
C. washing hands
D. fueling airplanes | A |
Question: Designed to exchange materials, what spongy structure consists of membranes and blood vessels from both mother and embryo?
Options:
A. endometrium
B. umbilicus
C. placenta
D. uterus | C |
Question: Even though tellurium does indeed have a greater average atomic mass than iodine, it is properly placed before iodine in the?
Options:
A. phases table
B. theory table
C. cycles table
D. periodic table | D |
Question: In a fullerene, what atoms are bonded to three other atoms in a soccer ball pattern?
Options:
A. positive
B. carbon
C. hydrogen
D. oxygen | B |
Question: What do you call the light particles that travel through the radiative zone?
Options:
A. neutrons
B. ions
C. photons
D. electrons | C |
Question: What is a mixture of potassium nitrate, sulfur, and charcoal?
Options:
A. cyanide
B. gunpowder
C. gasoline
D. TNT | B |
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