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float64 | question
stringlengths 78
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|---|---|---|
null | Question: Newton’s third law of motion describes what property of forces that means balance?
Options:
A. magnetism
B. gravity
C. symmetry
D. acceleration
Answer: | C |
null | Question: What are the extremely small particles that comprise all matter?
Options:
A. atoms
B. protons
C. ions
D. electrons
Answer: | A |
null | Question: The four moons of jupiter are collectively named after what 17th century astronomer, who discovered them?
Options:
A. copernicus
B. darwin
C. Linnaeus
D. galileo
Answer: | D |
null | Question: Extensive and intensive are categories of properties that apply to what?
Options:
A. volume
B. matter
C. height
D. weight
Answer: | B |
null | Question: What includes the bones and cartilage?
Options:
A. skull
B. fossil
C. lungs
D. skeleton
Answer: | D |
null | Question: What is the measure of change in velocity of a moving object?
Options:
A. acceleration
B. transmission
C. vibration
D. kinetic energy
Answer: | A |
null | Question: What is the female reproductive structure of a flower called?
Options:
A. the stigma
B. the pollinator
C. the pistil
D. the stamen
Answer: | C |
null | Question: What is the term for very large arrays of tandemly repeating, non-coding dna?
Options:
A. addition dna
B. satellite dna
C. models dna
D. recombinant dna
Answer: | B |
null | Question: What part of a mature plant cell is responsible for storing substances like water, enzymes, and salts?
Options:
A. little vacuole
B. second vacuole
C. large vacuole
D. central vacuole
Answer: | D |
null | Question: What does the second number in a blood pressure reading measure?
Options:
A. epithelial pressure
B. optimal pressure
C. external pressure
D. diastolic pressure
Answer: | D |
null | Question: The mole fraction of the solvent is just one minus the mole fraction of what?
Options:
A. solution
B. solute
C. nutrients
D. molecules
Answer: | B |
null | Question: Why is blue cheese blue?
Options:
A. bacteria
B. artificial dye
C. fungus
D. fermentation
Answer: | C |
null | Question: Light from objects at different distances is focused by what part of the eye?
Options:
A. iris
B. meniscus
C. pupil
D. lens
Answer: | D |
null | Question: What changes encoded waves which are being broadcast into sounds?
Options:
A. transmitters
B. band receivers
C. radio receivers
D. amplifiers
Answer: | C |
null | Question: When there is no mass in a volume of space, the space is not what?
Options:
A. timed
B. flat
C. straight
D. curved
Answer: | D |
null | Question: An alloy is a mixture of what with one or more other substances?
Options:
A. water
B. metal
C. protein
D. acid
Answer: | B |
null | Question: What occurs when there is a sudden discharge of static electricity between a cloud and the ground?
Options:
A. updraft
B. rain
C. wind
D. lightning
Answer: | D |
null | Question: Since warmer molecules have more energy, they are more what?
Options:
A. active
B. dense
C. abundant
D. inactive
Answer: | A |
null | Question: Generally, momentum implies a tendency to continue on course—to move in the same direction—and is associated with great mass and speed. momentum, like energy, is important because it is what?
Options:
A. conserved
B. sequences
C. invisible
D. endless
Answer: | A |
null | Question: Protein chains containing 10 or fewer amino acids are usually referred to as what?
Options:
A. protons
B. peptides
C. polypeptides
D. carboxyl
Answer: | B |
null | Question: What do you call a substance that cannot be separated into smaller pieces, which is also defined by the number of protons it has?
Options:
A. atom
B. molecule
C. electrol
D. element
Answer: | D |
null | Question: In most animals, what sense is related to balance or equilibrium?
Options:
A. hearing
B. feeling
C. vision
D. tasting
Answer: | A |
null | Question: When present in large volumes, what color hue can water emit?
Options:
A. pink
B. yellow
C. blue
D. white
Answer: | C |
null | Question: Fossil fuels are made out of what two objects?
Options:
A. plants and animals
B. plants and water
C. gases and animals
D. soil and animals
Answer: | A |
null | Question: What is found at the top of the stamen?
Options:
A. pistil
B. petals
C. fungi
D. pollen
Answer: | D |
null | Question: What are small gnawing mammals such as rats and mice called?
Options:
A. furries
B. rodents
C. marsupials
D. miniatures
Answer: | B |
null | Question: Temperature can affect what attribute of a siamese cat's coat?
Options:
A. color
B. density
C. chemical makeup
D. weight
Answer: | A |
null | Question: What is the process in which organisms reproduce sexually by joining gametes called?
Options:
A. propagation
B. stimulation
C. fertilization
D. migration
Answer: | C |
null | Question: The kinetic-molecular theory as it applies to gases has how many basic assumptions?
Options:
A. four
B. two
C. seven
D. five
Answer: | D |
null | Question: What serves to replace nonreproducing specialized cells as needed in the adult body?
Options:
A. dendritic cells
B. monocyte cells
C. stem cells
D. osteoclast cells
Answer: | C |
null | Question: What are all of the digits that can be known with certainty in a measurement plus an estimatied last digit called?
Options:
A. significant figures
B. determined figures
C. important figures
D. miniature figures
Answer: | A |
null | Question: Pakicetus and rodhocetus are considered to be ancestors of modern what?
Options:
A. rodents
B. whales
C. hominins
D. primates
Answer: | B |
null | Question: What helps sound travel in waves?
Options:
A. molecules
B. temperatures
C. gases
D. speaker placements
Answer: | C |
null | Question: Where do most cubozoans live?
Options:
A. tropical oceans
B. arctic oceans
C. rivers
D. lakes
Answer: | A |
null | Question: The phase transition of a substance changing from a liquid state to a gaseous state is an example of what?
Options:
A. catostrophy
B. spirogyra
C. trichina
D. entropoy
Answer: | D |
null | Question: What do halogens require electrons to achieve?
Options:
A. fusion
B. octet
C. formation
D. coupling
Answer: | B |
null | Question: What is the name of the process of creating offspring from just one individual animal?
Options:
A. organic reproduction
B. sexual reproduction
C. ideal reproduction
D. asexual reproduction
Answer: | D |
null | Question: What in the axils of leaves and stems give rise to branches?
Options:
A. axillary buds
B. chloroplasts
C. meristems
D. nodules
Answer: | A |
null | Question: Most molecular compounds that have a mass similar to water are in what state of matter at room temperature?
Options:
A. gas
B. liquid
C. solid
D. vapor
Answer: | A |
null | Question: What is the collective travel of sheep known as?
Options:
A. gaggle
B. den
C. load
D. herd
Answer: | D |
null | Question: What always has the same elements in the same ratio?
Options:
A. cell
B. component
C. compound
D. mitochondria
Answer: | C |
null | Question: What are essential for pollination, but can spread disease and destroy crops?
Options:
A. mice
B. spiders
C. insects
D. fruits
Answer: | C |
null | Question: What isotope of carbon is typically used to date ancient items?
Options:
A. nitrogen 14
B. carbon 12
C. uranium 14
D. carbon 14
Answer: | D |
null | Question: Plants can tell the time of day and time of year by sensing and using various wavelengths of what
Options:
A. precipitation
B. sunlight
C. moisture
D. lunar cycles
Answer: | B |
null | Question: What debated therapy offers a potential method for replacing neurons lost to injury or disease?
Options:
A. stem cell reduction
B. stem cell therapy
C. cell duplication
D. cell production therapy
Answer: | B |
null | Question: Triggering a blink when something touches the surface of the eye, the corneal reflex is what type of reflex?
Options:
A. sensory
B. dendritic
C. orgasmic
D. somatic
Answer: | D |
null | Question: When sediments settle out of water, what do they form?
Options:
A. erosion
B. separated layers
C. magnetic layers
D. horizontal layers
Answer: | D |
null | Question: Excessive exposure to what is the main cause of skin cancer?
Options:
A. fluorescent light
B. LED light
C. uv light
D. incandescent light
Answer: | C |
null | Question: What causes reduction of elasticity in all organs?
Options:
A. low vitamin D
B. radiation
C. age
D. weight gain
Answer: | C |
null | Question: Survivorship curves show the distribution of individuals in a population according to what metric?
Options:
A. height
B. birth rate
C. weight
D. age
Answer: | D |
null | Question: In a hydrogen replacement reaction, the hydrogen in the acid is replaced by what?
Options:
A. an active metal
B. gas
C. oxygen
D. water
Answer: | A |
null | Question: The extrusive type of what rock cools rapidly from lava at the surface?
Options:
A. igneous
B. crystalline
C. precipitous
D. erythematous
Answer: | A |
null | Question: What type of organisms carry out their life processes through division of labor and have specialized cells that do specific job?
Options:
A. biomolecular
B. dermal
C. multicellular
D. CompoundCellular
Answer: | C |
null | Question: Female monotremes lack a uterus and vagina. instead they have what?
Options:
A. cloaca
B. urethra
C. endometrium
D. placenta
Answer: | A |
null | Question: Which kinds of cells have nuclei and other membrane bound organelles?
Options:
A. lipids
B. eukaryotes
C. monocytes
D. prokaryotes
Answer: | B |
null | Question: Duckweed and cattails serve what role in the food chain in freshwater biomes?
Options:
A. primary producer
B. primary consumer
C. secondary consumer
D. tertiary consumer
Answer: | A |
null | Question: What is the term for the ability of an atom to emit, or give off, charged particles and energy from its nucleus?
Options:
A. magnetism
B. electrical attraction
C. radioactivity
D. conductivity
Answer: | C |
null | Question: What are alloys that are mostly composed of mercury known as?
Options:
A. amalgams
B. compounds
C. halogens
D. fillings
Answer: | A |
null | Question: Birds evolved from what type of ancestor?
Options:
A. fish
B. reptile
C. apes
D. insect
Answer: | B |
null | Question: Amoebas and paramecia are examples of what?
Options:
A. protists
B. bacteria
C. vertebrates
D. protozoa
Answer: | D |
null | Question: Oxygen and glucose are both reactants in the process of
Options:
A. death
B. birth
C. reproduction
D. cellular respiration
Answer: | D |
null | Question: What does parasitic mean?
Options:
A. symbiotic
B. mutual benefit
C. lives in host
D. welcome guest
Answer: | C |
null | Question: Which measure shows how individuals in a population are distributed, or spread throughout their area?
Options:
A. geographical distribution
B. proportional distribution
C. population phase
D. population distribution
Answer: | D |
null | Question: What are the three types of symbiotic relationships?
Options:
A. symbiosis , communalism , parasitism
B. pledgism, truism, greenism
C. altruism, conservatism, communalism
D. mutualism, communalism, parasitism
Answer: | D |
null | Question: Every species has a characteristic number of what?
Options:
A. DNA
B. receptors
C. ribosomes
D. chromosomes
Answer: | D |
null | Question: Experiments show that each o2 molecule has two unpaired what?
Options:
A. quarks
B. protons
C. neutrons
D. electrons
Answer: | D |
null | Question: What term describes a property of a liquid based on the strength of its intermolecular forces?
Options:
A. tissue pressure
B. vapor pressure
C. cellular pressure
D. analogous pressure
Answer: | B |
null | Question: What forms the small holes found in bread?
Options:
A. carbon dioxide gas
B. oxygen
C. carbon monoxide gas
D. yeast
Answer: | A |
null | Question: Spiders use the hydrostatic pressure generated by an open type of what anatomical system to extend their legs?
Options:
A. vascular
B. pulmonary
C. circulatory
D. respiratory
Answer: | C |
null | Question: How do oceans help control global warming?
Options:
A. releasing oxygen
B. absorbing carbon dioxide
C. reflecting light
D. Cooling air
Answer: | B |
null | Question: What type of telescopes collect and focus radio waves from distant objects?
Options:
A. refracting telescopes
B. space telescopes
C. reflecting telescopes
D. radio telescopes
Answer: | D |
null | Question: What is it called when rays focus at different distances from the lens?
Options:
A. angular aberration
B. carbon aberration
C. constant aberration
D. spherical aberration
Answer: | D |
null | Question: Sunlight gives plants the energy they need for what?
Options:
A. absorption
B. glycolysis
C. photosynthesis
D. respiration
Answer: | C |
null | Question: What are large glaciers that cover a larger area than just a valley?
Options:
A. icebergs
B. ice caps
C. glacial continents
D. ice floes
Answer: | B |
null | Question: Sound, like all waves, travels at a certain speed and has the properties of frequency and this?
Options:
A. energy
B. gravity
C. wavelength
D. momentum
Answer: | C |
null | Question: What helps control the muscles and maintain balance?
Options:
A. muscular system
B. lymphatic system
C. nervous system
D. circulatory system
Answer: | C |
null | Question: Unlike wild animals, what type of species are genetically uniform, making them more vulnerable to die-out from disease?
Options:
A. mammals
B. urbane species
C. domestic species
D. free-range species
Answer: | C |
null | Question: In science, what is defined as a change in position?
Options:
A. speed
B. gravity
C. motion
D. direction
Answer: | C |
null | Question: What are two simple and common types of capacitor connections?
Options:
A. flux and parallel
B. series and parallel
C. series and ionic
D. appearance and parallel
Answer: | B |
null | Question: The first leaves of most ferns appear curled up into what?
Options:
A. volatiles
B. petals
C. nanotubes
D. fiddleheads
Answer: | D |
null | Question: What supports most of earth's ecosystems?
Options:
A. crust
B. oceans
C. moon
D. sun
Answer: | D |
null | Question: What is occasional chest pain known as?
Options:
A. arrhythmia
B. heart murmur
C. angina pectoris
D. cardiac arrest
Answer: | C |
null | Question: When do homologous chromosomes form pairs?
Options:
A. meiosis
B. metathesis
C. transcripton
D. mitosis
Answer: | A |
null | Question: What forms as a result of decomposition when n2o is heated?
Options:
A. calcium and oxygen
B. nitrogen and hydrogen
C. nitrogen and oxygen
D. ammonia and nitrogren
Answer: | C |
null | Question: Plant cells divide into two equal halves during what process?
Options:
A. cytokinesis
B. mitosis
C. prokaryotes
D. death
Answer: | B |
null | Question: In a photosystem, pigments in the light-harvesting complex pass light energy to two special molecules of what in the reaction center?
Options:
A. chlorophyll
B. nutrient
C. carbonate
D. calcium
Answer: | A |
null | Question: Slime molds have several morphological similarities to fungi, including spore-generation, that are thought to be the result of convergent what?
Options:
A. emergence
B. generation
C. phenomenon
D. evolution
Answer: | D |
null | Question: Which theory describes the benzene molecule and other planar aromatic hydrocarbon molecules as hexagonal rings of sp2-hybridized carbon atoms with the unhybridized p orbital of each carbon atom perpendicular to the plane of the ring?
Options:
A. valence bond theory
B. hybrid orbital theory
C. covalent bond theory
D. molecular orbital theory
Answer: | A |
null | Question: Explanations of some aspect of the natural world based on repeated observations are termed what?
Options:
A. scientific guesses
B. scientific insights
C. scientific thoughts
D. scientific theories
Answer: | D |
null | Question: What type of mapping is critical for identifying the location of genes that cause genetic diseases?
Options:
A. interaction mapping
B. diagnostic mapping
C. chemical mapping
D. linkage mapping
Answer: | D |
null | Question: Which branch of biology studies animal behavior?
Options:
A. microbiology
B. ethology
C. embryology
D. anthropology
Answer: | B |
null | Question: What is it called when the vesicle and target membrane fuse?
Options:
A. vesicle fusion
B. enamel fusion
C. tendon fusion
D. pathogen fusion
Answer: | A |
null | Question: What is the region called where an electron is most likely to be found?
Options:
A. the ellipse
B. the nucleus
C. the shell
D. the orbital
Answer: | D |
null | Question: What replicates in the s phase of interphase, resulting in chromosomes composed of two linked sister chromatids?
Options:
A. protein
B. RNA
C. hormones
D. dna
Answer: | D |
null | Question: Why do microwaves have a higher energy than radio waves?
Options:
A. higher resonance
B. higher decibel
C. higher frequency
D. lower frequency
Answer: | C |
null | Question: A change in temperature with distance is called a what?
Options:
A. speed gradient
B. solution gradient
C. temperature gradient
D. oxygen gradient
Answer: | C |
null | Question: What is the method of reproduction for echinoderms?
Options:
A. internal fertilization
B. pollination
C. fragmentation
D. external fertilization
Answer: | D |
null | Question: The chains in cellulose stack in parallel rows held together by hydrogen bonds between which groups?
Options:
A. hydroxl groups
B. soda groups
C. disc groups
D. carbon groups
Answer: | A |
null | Question: Changes in the color of the statue of liberty owe to oxidation-reduction reactions, or what simpler term?
Options:
A. corrosion
B. immersion
C. copper
D. oxygen
Answer: | A |
null | Question: The air bubbles resulting from cavitation expand and block water channels of the what?
Options:
A. ectoderm
B. heart
C. xylem
D. respiration
Answer: | C |
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