question stringlengths 68 502 | answer stringclasses 4
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Question: The cytoplasm is all the contents of the cell inside the cell membrane, with the exception of what?
Options:
A. molecules
B. lysosome
C. vacuole
D. nucleus | D |
Question: What is the study of forces in equilibrium?
Options:
A. statics
B. law of conservation
C. genomics
D. law of inertia | A |
Question: What body joint incurs the most common overuse injury among runners and other athletes?
Options:
A. arm
B. heel
C. knee
D. ankle | C |
Question: Who is called the father of genetics?
Options:
A. Vincent van Gogh
B. raphael
C. Nostradamus
D. mendel | D |
Question: Each endocrine hormone affects only certain "target" cells, which have molecules of what on the surface that enable binding of a given hormone?
Options:
A. protein
B. gas
C. rna
D. lipids | A |
Question: What do we call the scientific study of heredity and hereditary variation?
Options:
A. chemistry
B. biology
C. geneology
D. genetics | D |
Question: What do you call any substance in food that the body needs?
Options:
A. dietary
B. beneficial
C. antioxidant
D. a nutrient | D |
Question: What type of waves start when a source of energy causes a disturbance in the medium?
Options:
A. mechanical currents
B. magnetic waves
C. fluid waves
D. mechanical waves | D |
Question: What term describes the process where organisms convert atmospheric nitrogen into biologically useful chemicals?
Options:
A. cellular respiration
B. photosynthesis
C. nitrogen fixation
D. carbon cycle | C |
Question: As per the kinetic-molecular theory, in what direction do the molecules and ions of liquids move?
Options:
A. same direction
B. opposite direction
C. alter directions
D. random directions | D |
Question: Cephalization refers to the development of what anatomical region, which evolved at the same time as bilateral symmetry in animals?
Options:
A. chest
B. heart
C. tail
D. head | D |
Question: What term describes a region of space around an atom that has a non-zero probability for an electron with a particular energy?
Options:
A. atomic orbital
B. orbital lobe
C. minimal orbital
D. related orbital | A |
Question: How do the male gorillas show display behaviors?
Options:
A. spontaneous mutation
B. showing aggression
C. vocalization
D. food gathering | B |
Question: A genetic molecule is called dna, which stands for this?
Options:
A. deoxyribonucleic acid
B. di-nitrous ammonia
C. dark nitrogen amine
D. dense ribonucleic acid | A |
Question: Is sleep an active or inactive state in the brain?
Options:
A. different
B. intense
C. active
D. inactive | C |
Question: What is is a measurement of the force amplification of a machine?
Options:
A. force multiplier
B. mechanical push
C. mechanical advantage
D. mechanical pull | C |
Question: What branch of science is the study of the solid earth?
Options:
A. ecology
B. palentology
C. biology
D. geology | D |
Question: What is harmless water vapor, for a powerplant?
Options:
A. wind
B. steam
C. plasma
D. fog | B |
Question: What regulates the passage of blood into capillary beds?
Options:
A. diocesan sphincters
B. bicellular sphincters
C. precapillary sphincters
D. cell membrane | C |
Question: What do you call the symbiotic relationship where a parasite benefits while the host is harmed?
Options:
A. invasion
B. symbolic damage
C. hostism
D. parasitism | D |
Question: What length of time is human gestation commonly divided into?
Options:
A. three trimesters
B. four quarters
C. fifty weeks
D. two halves | A |
Question: What substance, involved in most biochemical reactions, is essential to life?
Options:
A. water
B. air
C. carbon
D. nitrogen | A |
Question: What type of tissue covers the outside of a plant?
Options:
A. epidermal
B. dermal
C. anterior
D. porous | B |
Question: Metamorphic rocks form when an existing rock is changed by heat or what?
Options:
A. pressure
B. radiation
C. chemical reaction
D. cold | A |
Question: What anatomical structure serves as the conduit of the oocyte from the ovary to the uterus?
Options:
A. urethra
B. nephrons
C. uterine tubes
D. ureters | C |
Question: What cell structures are like storage centers and tend to be larger in plant cells?
Options:
A. alleles
B. vacuoles
C. nuclei
D. tubules | B |
Question: Oscillations in the transcription of certain genes are at the heart of the molecular mechanisms underlying what biological rhythms?
Options:
A. brain rhythms
B. reproductive rhythms
C. circadian rhythms
D. metastasis rhythms | C |
Question: Give an example of a ball-and-socket joint, which has the greatest range of motion, allowing movement in several directions.
Options:
A. monkey wrench
B. pulley
C. shoulder
D. lever | C |
Question: Difference in electric potential energy are measured in what basic unit?
Options:
A. knots
B. moles
C. volts
D. watts | C |
Question: How many stars are in our solar system?
Options:
A. one
B. three
C. none
D. two | A |
Question: Landslides and mudslides are the most destructive types of what geologic phenomenon?
Options:
A. formation movement
B. mass movement
C. land momentum
D. intensity movement | B |
Question: What scientific word, which gives its name to a type of rock, means "to change form"?
Options:
A. evaporation
B. evolution
C. metamorphism
D. igneous | C |
Question: The sporophyte phase is the longest phase in the life of what?
Options:
A. angiosperm
B. gymnosperm
C. echinoderm
D. arthropod | B |
Question: Hair color and skin color are known as what?
Options:
A. abominations
B. habits
C. traits
D. mutations | C |
Question: Amines are classified according to the number of carbon atoms bonded directly to what atom?
Options:
A. nitrogen
B. oxygen
C. helium
D. hydrogen | A |
Question: Because core electrons are closer to the nucleus, they are not involved in what?
Options:
A. diffusion
B. bonding
C. splitting
D. fission | B |
Question: The upper portion of the septum is formed by the perpendicular plate of which bone?
Options:
A. duodenum bone
B. ethmoid bone
C. concomitant bone
D. colossal bone | B |
Question: Cells in green algae divide along cell plates called what?
Options:
A. phragmoplasts
B. cellulose
C. xanthophylls
D. chloroplasts | A |
Question: What are saprobes that decompose organic matter?
Options:
A. sponges
B. fungi
C. chordates
D. protists | B |
Question: Because complex plant carbohydrates such as cellulose are more difficult to digest, what animal diet is associated with a complicated digestive system?
Options:
A. omnivore
B. polyvore
C. carnivore
D. herbivore | D |
Question: What are all cells surrounded by?
Options:
A. amino acids
B. cell membrane
C. cell substrate
D. cytoplasm | B |
Question: The leaves of all of what type of plants have two basic parts in common: the blade and petiole?
Options:
A. evergreen
B. perennials
C. deciduous
D. flowering plants | D |
Question: Through what do plants move enormous amounts of water from the soil to the atmosphere?
Options:
A. transpiration
B. evaporation
C. respiration
D. perspiration | A |
Question: What explains why two different species cannot occupy the same niche in the same place for very long?
Options:
A. survival exclusion princple
B. evolution
C. competive exclusion princple
D. natural selection | C |
Question: The cytoplasm of prokaryotic cells has a high concentration of dissolved solutes. therefore, the osmotic pressure within the cell is what?
Options:
A. relative
B. relatively normal
C. relatively high
D. relatively low | C |
Question: What are the ultimate source of genetic variation?
Options:
A. parasites
B. gravity
C. proteins
D. mutations | D |
Question: The electron beam scans the surface of the sample, usually coated with a thin film of which metal?
Options:
A. copper
B. platinum
C. silver
D. gold | D |
Question: In a longitudinal wave, what term is a measure of how compressed particles of the medium become when the wave passes through?
Options:
A. frequency
B. magnitude
C. voltage
D. amplitude | D |
Question: All cells have certain parts in common. these parts include the cell membrane, cytoplasm, dna, and what?
Options:
A. chromosomes
B. lipids
C. crystals
D. ribosomes | D |
Question: Competition within a species is called what?
Options:
A. internal competition
B. reproducible competition
C. species competion
D. intraspecific competition | D |
Question: What occurs when rain falls more quickly than water can be absorbed into the ground or carried away by rivers or streams?
Options:
A. floods
B. typhoons
C. greenhouse effect
D. landslides | A |
Question: What are the building blocks of dna?
Options:
A. peptides
B. genes
C. prokaryotes
D. nucleotides | D |
Question: Each line in a structural formula represents a pair of shared what?
Options:
A. atoms
B. ions
C. waves
D. electrons | D |
Question: What do vertebrate chordates possess that invertebrate chordates do not?
Options:
A. backbone
B. parasite
C. Thumb
D. Milk production | A |
Question: In vascular plants, what two basic structures are made of dermal, vascular, and ground tissues?
Options:
A. roots and seed
B. stems and flowers
C. fruits and nuts
D. roots and stems | D |
Question: What is the process resulting in living things with beneficial traits producing more offspring?
Options:
A. fluid selection
B. Natural choice.
C. natural change
D. natural selection | D |
Question: Solar cells create voltages directly from light, while thermoelectric devices create voltage from differences in what?
Options:
A. oxygen
B. wire width
C. wattage
D. temperature | D |
Question: What theory goes beyond classical mechanics to describe the behavior of near-light-speed objects?
Options:
A. spacial relativity
B. normal relativity
C. special relativity
D. simple relativity | C |
Question: What type of structure between the esophagus and the stomach normally opens only when a bolus arrives?
Options:
A. larynx
B. gland
C. intestine
D. sphincter | D |
Question: Viroids are plant pathogens much simpler than what, but like them can reproduce only within a host cell?
Options:
A. bacteria
B. viruses
C. parasites
D. pests | B |
Question: "crossing over" occurs during what phase of mitosis?
Options:
A. prophase i
B. Prophase ii
C. prophase iii
D. prophase VI | A |
Question: What is the preferred food for almost all primates except for humans?
Options:
A. grass
B. fruit
C. wheat
D. corn | B |
Question: What property means that something can return to its original shape after being stretched or compressed?
Options:
A. homeostasis
B. elasticity
C. friction
D. viscosity | B |
Question: Where does all igneous rock come from?
Options:
A. stratosphere
B. the moon
C. magma or lava
D. oceans | C |
Question: Three ways that waves may interact with matter are reflection, refraction, and what?
Options:
A. dispose
B. diffraction
C. absorption
D. distortion | B |
Question: Sucrose consists of one molecule of glucose and one molecule of what else?
Options:
A. protein
B. lactose
C. fructose
D. alcohol | C |
Question: Many countries have attempted to reduce the human impact on climate change by reducing their emission of what greenhouse gas?
Options:
A. nitrous oxide
B. carbon dioxide
C. methane
D. acid dioxide | B |
Question: What occurs when arterioles lose their normal muscular tone and dilate dramatically?
Options:
A. congenital shock
B. cardio shock
C. vascular shock
D. respiration shock | C |
Question: Large or small numbers are expressed in scientific notation, which use powers of this?
Options:
A. 16
B. 2
C. 4
D. 10 | D |
Question: Budding in sponges is a form of what type of reproduction?
Options:
A. sexual
B. reasonable
C. asexual
D. competitive | C |
Question: Behaviors that are closely controlled by genes and have little to no environmental influence are called what kinds of behaviors?
Options:
A. learned behaviors
B. innate behaviors
C. diverse behaviors
D. generalized behaviors | B |
Question: Mutations which benefit the organism in which they occur are known as?
Options:
A. helpful mutations
B. beneficial mutations
C. healthy mutations
D. extraordinary mutations | B |
Question: When gas particles collide, what kinds of collisions are these considered?
Options:
A. conservative
B. inelastic
C. perfect
D. elastic | D |
Question: Around 1200 species of what broad animal group are currently at risk of extinction due to human activity?
Options:
A. birds
B. amphibians
C. reptiles
D. mammals | A |
Question: The galápagos islands are a group of 16 volcanic islands 600 miles off the west coast of what continent?
Options:
A. south america
B. asia
C. europe
D. north america | A |
Question: What structures on the gastrodermal cells keep the contents of the gastrovascular cavity agitated and help distribute nutrients?
Options:
A. sporangia
B. flagella
C. telomeres
D. nucleus | B |
Question: What is the factor that affects the solubility of solutes in all three states?
Options:
A. temperature
B. color
C. oxygen
D. heat | A |
Question: What kind of ph would you find in water from bogs?
Options:
A. lower ph
B. higher ph
C. normal ph
D. regular ph | A |
Question: Where do most of the digestion reactions occur?
Options:
A. small intestine
B. liver
C. mouth
D. large intestine | A |
Question: What is the name of the process where light is produced without heat?
Options:
A. effervescence
B. radiation
C. luminescence
D. fluorescence | C |
Question: Meats and dairy products link to photosynthesis because the animals were fed what?
Options:
A. biofuel
B. carnivorous diets
C. chloroplasts
D. plant-based foods | D |
Question: What the scientific concept stating that when looking at two competing theories, the one with fewer assumptions should be chosen?
Options:
A. law of simplicity
B. law of averages
C. law of thermodynamics
D. law of parsimony | D |
Question: What type of map would show average temperatures and rainfall?
Options:
A. rainfall map
B. carbon map
C. landscape map
D. climate map | D |
Question: What is the name of the sugar that plants produce to be used as food?
Options:
A. insulin
B. glucose
C. glucosamine
D. chlorophyll | B |
Question: Just under their skin, marine mammals have a very thick layer of insulating fat called what?
Options:
A. lipisomes
B. blubber
C. cellulose
D. tissue | B |
Question: While in the lungs, blood gives up carbon dioxide and picks up what element before returning to the heart?
Options:
A. oxygen
B. nitrogen
C. hydrogen
D. methane | A |
Question: White blood cells called what travel to areas of the body that are inflamed?
Options:
A. gametocytes
B. phagocytes
C. platelets
D. spirochetes | B |
Question: How many valence electrons can be found in a carbon atom?
Options:
A. three
B. four
C. five
D. One | B |
Question: Diaphragm, lungs, and trachea take air deep into the body and provide oxygen gas to what?
Options:
A. heart
B. bloodstream
C. brain
D. molecules | B |
Question: What gases move in and out of blood during gas exchange?
Options:
A. oxygen, carbon monoxide
B. oxygen, carbon dioxide
C. oxygen, nitrogen
D. nitrogen, carbon dioxide | B |
Question: What keeps various species from mating and reproducing outside their own species?
Options:
A. cancer organ incompatibility
B. reproductive organ incompatibility
C. brain organ incompatibility
D. digestive system incompatibility | B |
Question: A refrigerator must do work to reverse the normal direction of what?
Options:
A. visible energy flow
B. thermal energy flow
C. spectral energy flow
D. coolant energy flow | B |
Question: The bone matrix consists of tough protein fibers—mainly what?
Options:
A. hemoglobin
B. tissues
C. tendons
D. collagen | D |
Question: Alkynes are what type of compound?
Options:
A. reversible hydrocarbons
B. proteins hydrocarbons
C. unsaturated hydrocarbons
D. Split Hydrocarbons | C |
Question: Solar cells turn sunlight directly into what?
Options:
A. water
B. cold
C. gas
D. electricity | D |
Question: What type of invertebrate typically has a single spiraled shell?
Options:
A. arthropod
B. bipod
C. anthropod
D. gastropod | D |
Question: What are nutrients the body needs in relatively large amounts called?
Options:
A. macronutrients
B. adulterants
C. abundances
D. vitamins | A |
Question: What is observed when two perpendicular flagella moves?
Options:
A. shaking motion
B. pushing motion
C. turning motion
D. spinning motion | D |
Question: What is the name of a branch of the chemistry that deals with the interconversion of chemical energy and electrical energy?
Options:
A. Theoretical Chemistry
B. Inorganic chemistry
C. electrochemistry
D. Biochemistry | C |
Question: Which system in the body exchanges gases with the outside air?
Options:
A. digestive
B. vascular
C. immune
D. respiratory | D |
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