question stringlengths 68 502 | answer stringclasses 4
values |
|---|---|
Question: What is the term for the process in which an area that has never before been colonized changes through time?
Options:
A. ecological succession
B. continuous succession
C. environmental succession
D. colony succession | A |
Question: All the major landmasses moved together to form one supercontinent in which period?
Options:
A. permian
B. Mesozoic
C. Cenozoic
D. cambrian | A |
Question: A problem with using food chains to describe ecosystems is that some organisms can feed on or be consumed by species from more than one of what level?
Options:
A. trophic level
B. habitat level
C. biome level
D. pH level | A |
Question: What is the practical application of scientific principles and discoveries to develop things that make our lives easier?
Options:
A. experiment
B. component
C. Movement
D. engineering | D |
Question: In plants, a cell plate is formed during cell cytokinesis by golgi vesicles fusing at the what?
Options:
A. chromosomes plate
B. tectonic plate
C. metaphase plate
D. mitosis plate | C |
Question: What is the type of volcano with a tall cone shape that you picture when picturing a volcano?
Options:
A. inactive
B. active
C. advanced
D. composite | D |
Question: The amount of what entering the eyes helps control the biological clock?
Options:
A. light
B. heat
C. air
D. energy | A |
Question: Protists are classified as animal-like, plant-like, or what else?
Options:
A. bacteria - like
B. virus - like
C. pathogen - like
D. fungus-like | D |
Question: Satellite and schwann cells are the two types of what kind of cell found in the pns?
Options:
A. dendritic
B. epidermal
C. glial
D. osteoclast | C |
Question: What compound has positive and negative ions?
Options:
A. covalent
B. hydrocarbon
C. protein
D. ionic | D |
Question: What can be calculated given the mass and speed of an object?
Options:
A. harmonic energy
B. systematic energy
C. residual energy
D. kinetic energy | D |
Question: Earthquakes mark the motions of colliding plates and the locations where plates plunge into what?
Options:
A. the mesosphere
B. the crust
C. the core
D. the mantle | D |
Question: The ambrosia beetle bores holes in?
Options:
A. dirt
B. leaves
C. flowers
D. tree bark | D |
Question: What effect, related to weather forecasting, occurs not only for sound but for any wave when there is relative motion between the observer and the source?
Options:
A. echo
B. precipitation
C. doppler
D. pulse | C |
Question: What is the science of how traits are passed from parents to offspring?
Options:
A. alleles
B. genetics
C. heredity
D. cross matching | C |
Question: When an electron transitions from an excited state to a less excited state, or ground state, the difference in energy is emitted as a what?
Options:
A. neutron
B. quark
C. nucleus
D. photon | D |
Question: Water from the land and oceans enters the atmosphere by which process?
Options:
A. condensation
B. evaporation
C. absorption
D. transpiration | B |
Question: What country put seven salyut space stations into orbit between 1971 and 1982?
Options:
A. United States
B. China
C. Japan
D. soviet union | D |
Question: The result of what, in places like the amazon rainforest, is that food will be harder to produce, clean water will be harder to find, and development of new medicines will become slower?
Options:
A. pollution loss
B. environmnental loss
C. biodiversity loss
D. biological loss | C |
Question: What does rising and sinking air influence in a region?
Options:
A. tides
B. erosion
C. temperature
D. precipitation | D |
Question: Refracting and reflecting telescopes are optical telescopes that use lenses to gather what?
Options:
A. magnetic force
B. sound
C. light
D. electricity | C |
Question: Via what process do substance move from one cell to another?
Options:
A. reverse transferase
B. downregulation
C. autolysis
D. plasmodesmata | D |
Question: What is a stellar remnant that is very dense?
Options:
A. white star
B. white dwarf
C. asteroids
D. the sun | B |
Question: What methods allow scientists to add to scientific knowledge and gain a better understanding of the world?
Options:
A. slow investigations
B. through investigations
C. early investigations
D. close investigations | B |
Question: What is the largest level of organization?
Options:
A. organism
B. organelle
C. genome
D. protein | A |
Question: Living species of chordates are classified into three major subphyla: vertebrata, urochordata, and what?
Options:
A. spirogyra
B. cephalochordata
C. xerophyte
D. invertebrates | B |
Question: What force explains why a tennis ball bounces differently on different surfaces, and shoes slip on some surfaces but stick on others?
Options:
A. kinetics
B. temperature
C. vibration
D. friction | D |
Question: The term ion applies to entire molecules that are?
Options:
A. magnetic
B. electrically charged
C. positively charged protons
D. neutrally charged | B |
Question: Silicon and germanium react with nitrogen at high temperature to form what?
Options:
A. carbonates
B. oxides
C. nitrides
D. isotopes | C |
Question: What bond is the force of attraction that holds together oppositely charged ions?
Options:
A. harmonic
B. magnetic
C. iconic
D. ionic | D |
Question: What is the pairing of an adult male to an adult female to produce young?
Options:
A. binary fission
B. asexual reproduction
C. evolution
D. mating | D |
Question: The cell expels waste and other particles through a process called what?
Options:
A. exocytosis
B. metamorphisis
C. biosynthesis
D. endocytosis | A |
Question: What are diodes, transistors, and integrated circuits examples of?
Options:
A. electronic components
B. radio parts
C. machine parts
D. computer parts | A |
Question: Shedding of dead cells ensures constant renewal of what outer layer of the skin?
Options:
A. scale
B. epidermis
C. dermis
D. cuticle | B |
Question: What causes cumulus clouds to grow upward?
Options:
A. mantle currents
B. convection currents
C. moisture currents
D. gas currents | B |
Question: What term is used to describe a region getting significantly less precipitation than normal for an extended period of time?
Options:
A. dog days
B. drought
C. doldrums
D. flood | B |
Question: What is the name for compounds that contain only carbon and hydrogen?
Options:
A. hydrocarbons
B. carbides
C. carbohydrates
D. particles | A |
Question: What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair?
Options:
A. albinism
B. hemophilia
C. anemia
D. mutations | A |
Question: Individuals with sickle cell anemia have crescent-shaped what?
Options:
A. white blood cells
B. nerve cells
C. glial cells
D. red blood cells | D |
Question: Nearly all weather occurs in the lower part of what?
Options:
A. the lithosphere
B. the ionosphere
C. the atmosphere
D. the mesosphere | C |
Question: For skeletal development, the most common template is what?
Options:
A. calcium
B. membrane
C. cartilage
D. collagen | C |
Question: The body's second line of defense against pathogens includes which response?
Options:
A. blood
B. reaction
C. anxiety
D. inflammatory | D |
Question: Hiv is a retrovirus, which means it reverse transcribes its rna genome into what?
Options:
A. amino acid chains
B. atp
C. dna
D. ribosomes | C |
Question: Plants can tell the time of day and time of year by sensing and using various wavelengths of what
Options:
A. moisture
B. sunlight
C. lunar cycles
D. precipitation | B |
Question: In eukaryotes, the major mechanism for shuffling genes is what?
Options:
A. asexual reproduction
B. subject reproduction
C. sexual reproduction
D. suggesting reproduction | C |
Question: The vas deferens and ejaculatory ducts transport sperm from the epididymes to the urethra in what system?
Options:
A. male reproductive system
B. digestive system
C. famous reproductive system
D. cardiovascular system | A |
Question: What do nearly all animals have in common with regards to digestion?
Options:
A. problematic digestion of food
B. complete digestion of food
C. external digestion of food
D. internal digestion of food | D |
Question: What are the secretions released by the endocrine glands called?
Options:
A. hormones
B. fluids
C. acids
D. enzymes | A |
Question: What are chromosomes in the same pair called?
Options:
A. reversible chromosomes
B. homogeneous chromosomes
C. homologous chromosomes
D. regulated chromosomes | C |
Question: What do you call plastids that contain the green pigment chlorophyll?
Options:
A. Chromoplasts
B. Gerontoplasts
C. chloroplasts
D. Leucoplasts | C |
Question: What important and unusual physical property (for birds) do ostriches and penguins share?
Options:
A. waterproofness
B. bonelessness
C. webbed feet
D. flightlessness | D |
Question: What are changes in membrane potential that vary continuously with the strength of a stimulus are known as?
Options:
A. kinetic energy
B. reverse potentials
C. variable potentials
D. graded potentials | D |
Question: The moon has a crust, mantle, and a?
Options:
A. core
B. mountain range
C. ice cap
D. magnetic field | A |
Question: What type of coal is formed at lower temperatures?
Options:
A. bituminous
B. clean
C. limestones
D. calcareous | A |
Question: What can sodium ions not pass through?
Options:
A. benthic lipid bilayer
B. Lipid Control
C. narrowness lipid bilayer
D. nonpolar lipid bilayer | D |
Question: What happens when the kidneys cannot remove wastes from the blood?
Options:
A. tissue failure
B. intestinal failure
C. kidney failure
D. choanocyte failure | C |
Question: What is another name for nearsightedness?
Options:
A. astigmatism
B. hyperopia
C. presbyopia
D. myopia | D |
Question: What is the innermost layer of the sun called?
Options:
A. Photosphere
B. Convection Zone
C. Chromosphere
D. the core | D |
Question: What device is used to study charge?
Options:
A. electroscope
B. microscope
C. nannostomus
D. microtome | A |
Question: What term is used to describe large numbers of species that go extinct in a short amount of time?
Options:
A. organic extinction
B. mass extinction
C. formation extinction
D. species extinction | B |
Question: What is the tiny male gametophyte enclosed in a tough capsule?
Options:
A. calcium
B. pollen
C. Cell Capsule
D. nitrogen | B |
Question: When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as which type of gas is produced?
Options:
A. chlorine
B. nitrogen
C. oxygen
D. hydrogren | D |
Question: Structural adaptations in flying animals often contribute to reduced what?
Options:
A. body mass
B. blood flow
C. eyesight
D. respiration | A |
Question: What diagram is used to reflect evolutionary relationships among organisms or groups of organisms?
Options:
A. conceptual tree
B. relationships tree
C. phylogenetic tree
D. biodiversity tree | C |
Question: What is the energy called that is stored in matter?
Options:
A. stored energy
B. possible
C. potential
D. mechanical | C |
Question: What is the term for traits that show wide variation, such as height, skin color, and eye color?
Options:
A. maladaptive traits
B. recessive traits
C. polygenic traits
D. inherited traits | C |
Question: Which system in the human body consists of the heart, a network of blood vessels, and blood?
Options:
A. cardiac system
B. nervous system
C. cardiovascular system
D. circulatory system | C |
Question: Volume is another way of measuring what?
Options:
A. weight
B. material
C. length
D. height | B |
Question: What do you call a science that aims to find solutions to practical problems?
Options:
A. evolved science
B. experimental science
C. applied science
D. applied experience | C |
Question: What term describes weathering that occurs as water expands when it freezes, wedging apart rock?
Options:
A. erosion
B. mechanical weathering
C. chemical weathering
D. cleavage | B |
Question: How many pairs of chromosomes are found in human cells?
Options:
A. 24
B. 25
C. 13
D. 23 | D |
Question: An aqueous solution is a homogeneous mixture in which the most abundant component is what?
Options:
A. water
B. blood
C. air
D. oxygen | A |
Question: What happens to light when it reflects from a rough surface?
Options:
A. gets diffused
B. becomes concentrated
C. becomes isolated
D. reflects | A |
Question: Isothermal expansion is a process occurring without a change in?
Options:
A. variation
B. temperature
C. weight
D. precipitation | B |
Question: Nearly all fish reproduce sexually and have what?
Options:
A. flexible sexes
B. separate sexes
C. modified sexes
D. single sexes | B |
Question: Cilia and flagella are generally associated with what function in organisms, whether the function is internal or external?
Options:
A. sight
B. movement
C. digestion
D. reproduction | B |
Question: Do particles collide more in two reactants when they are both in fluid forms or solid forms?
Options:
A. plasma
B. solid
C. fluid
D. neither | C |
Question: The process of moving from areas of high amounts to areas of low amounts is called what?
Options:
A. deposition
B. filtration
C. diffusion
D. transfer | C |
Question: Vascular tissue allowed these plants to do what?
Options:
A. grow smaller
B. have more flowers
C. grow taller
D. live shorter | C |
Question: What were the first forms of life on earth?
Options:
A. aniryotes
B. protists
C. eukaryotes
D. prokaryotes | D |
Question: What warms the base of the mantle creating convection currents there?
Options:
A. the hot regenerate
B. mantle soil
C. molten lava
D. the hot core | D |
Question: What do we call an incorrect test result that should have been positive?
Options:
A. false negative
B. personal negative
C. false positive
D. external positive | A |
Question: The conversion factor between solubility and molar solubility of a compound is known as what?
Options:
A. molar mass
B. stochastic mass
C. mass effect
D. molar value | A |
Question: What describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell?
Options:
A. autolysis
B. expulsion
C. exocytosis
D. endocytosis | C |
Question: Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population?
Options:
A. Allopatric speciation
B. mass extinction
C. spontaneous mutation
D. gene flow | D |
Question: What kind of bond doesn't form molecules, but instead forms crystals?
Options:
A. ionic bonds
B. electron bonds
C. covalent bonds
D. magnetic bonds | A |
Question: Where does the natural synthesis of lactose occur?
Options:
A. ovarian tissue
B. mammary tissue
C. liver tissue
D. nervous tissue | B |
Question: The ratio between the radii of a wheel and axle determines what?
Options:
A. theoretical mechanical advantage
B. introduced mechanical advantage
C. fundamental mechanical advantage
D. ideal mechanical advantage | D |
Question: What is the first stage of cellular respiration called?
Options:
A. appetite
B. photosynthesis
C. reproduction
D. glycolysis | D |
Question: Many species use their body shape and coloration to avoid being detected by what?
Options:
A. biology
B. viruses
C. males
D. predators | D |
Question: A reference point is used in measurement to make what?
Options:
A. deviation
B. focal point
C. regression
D. estimation | D |
Question: Why do adult herbivores in a herd surround their young?
Options:
A. to keep them warm on long cold nights
B. to protect them from other adult herbivores
C. to show them love
D. to protect them as they are vulnerable to predators | D |
Question: When orders are sent from your brain to your legs, these signals pass through what type of cells?
Options:
A. skin cells
B. molecules
C. mobility cells
D. nerve cells | D |
Question: What is the leading cause of soil erosion?
Options:
A. volcanic explosions
B. tidal winds
C. running water
D. glacier movement | C |
Question: What class of organisms help decompose matter to release nutrients and make nutritious food for other organisms ?
Options:
A. bacteria
B. fungi
C. coral
D. yeast | B |
Question: A pedigree is a chart which shows the inheritance of a trait over several what?
Options:
A. events
B. centuries
C. generations
D. organisms | C |
Question: The release of calcium ions initiates what?
Options:
A. muscle contractions
B. spasms
C. exhalation
D. cramps | A |
Question: The electron released during beta decay is not an orbital electron but an electron whose origin was where?
Options:
A. orbiting the nucleus
B. outside the nucleus
C. connected to the nucleus
D. in the nucleus | D |
Question: What is created by the polymerization of glucose?
Options:
A. methane
B. glucose
C. carbonate
D. cellulose | D |
Question: Fungi reproduce asexually by fragmentation and either sexually or asexually via what lightweight, windblown structures?
Options:
A. ions
B. lesions
C. seeds
D. spores | D |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.