question stringlengths 68 502 | answer stringclasses 4
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Question: Exothermic reactions in organisms are called what?
Options:
A. nuclear reactions
B. catabolic reactions
C. biogenic reactions
D. nebular reactions | B |
Question: Prior to birth, the lungs are filled with amniotic fluid, mucus, and what else?
Options:
A. air
B. blood
C. surfactant
D. plasma | C |
Question: At what point during a chemical reaction is there no net change?
Options:
A. ionization
B. equilibrium
C. formation
D. bonding | B |
Question: The solution with the higher solute concentration is called what?
Options:
A. acetic
B. unsaturated
C. hypotonic
D. hypertonic | D |
Question: The three stages of transcription are initiation, elongation, and what?
Options:
A. degradation
B. separation
C. prolongation
D. termination | D |
Question: A rounded hollow carved in the side of a mountain by a glacier is known as?
Options:
A. a cavern
B. a crater
C. a cirque
D. a crest | C |
Question: Where do most cnidarians live?
Options:
A. hills
B. ocean
C. rocks
D. grass | B |
Question: What do a group of cells that work together form?
Options:
A. molecule
B. organ
C. organelle
D. tissue | D |
Question: Plants alternate between haploid and what?
Options:
A. monoplooid
B. monoxoid
C. diploid
D. triploid | C |
Question: Temperature is a measure of the motion (kinetic energy) of what?
Options:
A. particles
B. molecules
C. nucleus
D. electrons | B |
Question: What method do scientists use to answer questions?
Options:
A. inquisitive method
B. regulatory method
C. scientific method
D. solutive method | C |
Question: What is the natural selection that favors altruistic behavior by enhancing reproductive success of relatives known as?
Options:
A. diversifying selection
B. directional selection
C. stabilizing selection
D. kin selection | D |
Question: When a male directly deposits sperm in a female during mating, this is considered what type of fertilization?
Options:
A. internal
B. external
C. mechanical
D. dual | A |
Question: What part of the body does the mycobacterium tuberculosis bacterium usually attack?
Options:
A. heart
B. muscles
C. lungs
D. Pancreas | C |
Question: Conversely, very large forces are created by liquids and solids when they try to expand but are constrained from doing so—which is equivalent to compressing them to less than their normal volume. this often occurs when a contained material warms up, since most materials expand when they do this?
Options:
A. i... | B |
Question: What helps regulate the production of urine?
Options:
A. the fetal gland
B. the pituitary gland
C. the temporal gland
D. the discrete gland | B |
Question: In celsius, what is the temperature at which water freezes?
Options:
A. absolute zero
B. zero degrees
C. 100 degrees
D. 32 degrees | B |
Question: Which theory explains how materials can collide and become new materials?
Options:
A. disturbance theory
B. collision theory
C. pileup theory
D. rupture theory | B |
Question: What 3 types of friction occur between solid surfaces?
Options:
A. static , arching , rolling
B. static,desending,sliding
C. static, sliding, rolling
D. static , ascending , rolling | C |
Question: Name the 3 ocean zones.
Options:
A. intertidal, pelagic, benthic
B. amphidromic, cotidal, benthic
C. coral, intertidal, apogean
D. cotidal, intertidal, exotidal | A |
Question: Secondary consumers are usually carnivores that eat what?
Options:
A. plants
B. soil
C. dead material
D. primary consumers | D |
Question: What is the term for a period when temperatures are cooler than normal causing glaciers to spread to lower latitudes?
Options:
A. freezing point
B. cooling era
C. ice age
D. cold age | C |
Question: Cody's velocity is zero so therefore he doesn't have what?
Options:
A. weight
B. temperature
C. momentum
D. mass | C |
Question: Human population is growing exponentially and humans have increased what normally limiting factor through technology, urbanization, and harnessing the energy of fossil fuels?
Options:
A. mass extinction
B. carrying capacity
C. zero population growth
D. habitat loss | B |
Question: Amides are carbonyls attached to one nitrogen atom and one carbon or which other atom?
Options:
A. hydrogen
B. nitrogen
C. calcium
D. helium | A |
Question: The epidermis of the leaf consists of a single layer of which cells?
Options:
A. endothermic cells
B. chloroplasm
C. dermal cells
D. insular cells | C |
Question: What is beneath the cerebrum and includes the thalamus and hypothalamus?
Options:
A. rendalen
B. brain stem
C. subvocalization
D. diencephalon | D |
Question: What is the raw material for evolution by natural selection called?
Options:
A. mutation
B. genetic variation
C. comparable variation
D. pattern variation | B |
Question: The changing of a light ray’s direction (loosely called bending) when it passes through variations in matter is called this?
Options:
A. vibration
B. refraction
C. resonance
D. wavelength | B |
Question: What decreases with the loss of subsequent protons?
Options:
A. seawater strength
B. example strength
C. Movement strength
D. acid strength | D |
Question: What is defined as a loss of hydrogen atoms?
Options:
A. Reduction
B. conduction
C. oxidation
D. evaporation | C |
Question: Natural gas is often found along with what other fossil fuels in underground deposits?
Options:
A. coal and oil
B. repository and oil
C. coal and methane
D. methane and oil | A |
Question: What term is used to describe cells without a nucleus?
Options:
A. Simple
B. unicellular
C. prokaryotic
D. monophyletic | C |
Question: What is used to carry out metric unit conversions?
Options:
A. calculation analysis
B. mechanical analysis
C. metric analysis
D. dimensional analysis | D |
Question: If solutions of differing osmolarities are present on opposite sides of a semipermeable membrane, solvent will transfer from what to what, in terms of osmolarity of the solution?
Options:
A. high to high
B. low to low
C. low to high
D. high to low | C |
Question: What do populations gain through births and immigration?
Options:
A. individuals
B. Over Population
C. Over Crowding
D. humans | A |
Question: What is it called when plants release water vapor through their leaves?
Options:
A. evaporation
B. respiration
C. propagation
D. transpiration | D |
Question: What do you call the atomic "ingredients" that go into a chemical reaction?
Options:
A. Starters
B. complexes
C. reactants
D. propellants | C |
Question: What is stacked in layers in "layer cake geology"?
Options:
A. horizontal stata
B. soil
C. rock stata
D. sediment | C |
Question: A spontaneous change process called neutrino oscillations can occur only if neutrinos have what property?
Options:
A. mass
B. velocity
C. color
D. temperature | A |
Question: What type of plate is an island arc found on?
Options:
A. shear
B. oceanic
C. coastal
D. continental | B |
Question: How do you calculate the atomic mass of an element?
Options:
A. count the electrons
B. multiply protons by neutrons
C. add neutrons and electrons
D. add the protons and neutrons together | D |
Question: The cytoskeleton is a cellular "scaffolding" or "skeleton" that crisscrosses what?
Options:
A. golgi apparatus
B. cerebellum
C. cell membrane
D. cytoplasm | D |
Question: In animal cells, what arises from the centrosomes and includes spindle microtubules and asters?
Options:
A. the spindle
B. Golgi apparatus
C. ribosomes
D. DNA helix | A |
Question: What's the term for a relationship between two organisms where at least one benefits?
Options:
A. symbiosis
B. meiosis
C. dermatitis
D. morphogenesis | A |
Question: Drip iirigation requires less water and reduces what?
Options:
A. moisture
B. salinization
C. sediment
D. bacteria | B |
Question: What term refers to a wall or partition that divides the heart into chambers?
Options:
A. cartilage
B. cysts
C. valve
D. septum | D |
Question: What mammal is the most intelligent?
Options:
A. humans
B. lion
C. monkey
D. dog | A |
Question: What is the primary force driving fluid transport between the capillaries and tissues?
Options:
A. constructs pressure
B. isolate pressure
C. temperature pressure
D. hydrostatic pressure | D |
Question: Mercury is small, rocky and covered with what objects?
Options:
A. rivers
B. craters
C. diamonds
D. volcanoes | B |
Question: Heat expansion is a result of the increase of what type of energy, exhibited by molecules bumping together?
Options:
A. kinetic energy
B. light energy
C. radioactivity
D. harmonic energy | A |
Question: What is the molecular formula of carbon dioxide?
Options:
A. co 2
B. h2o
C. cl2
D. c2o | A |
Question: What organism constitutes frothy green "pond scum"?
Options:
A. sponges
B. protozoa
C. bacteria
D. algae | D |
Question: Spontaneous reactions release what type of energy, meaning it is available to do work?
Options:
A. radioactive energy
B. potential energy
C. kinetic energy
D. free energy | D |
Question: Why do butterfly fish have fake eyespots?
Options:
A. confuse predators
B. mating purposes
C. aerodynamic purposes
D. random evolution | A |
Question: Is urea or salt reabsorbed faster?
Options:
A. urea
B. neither is reabsorbed
C. salt
D. same speed | C |
Question: Glucose is an example of what simple carboyhydrates with relatively few carbon atoms?
Options:
A. solvents
B. mixtures
C. sugars
D. acids | C |
Question: Chemical energy results from the particular arrangement of atoms in a chemical compound; the heat and light produced in this reaction are due to energy released during the breaking and reforming of what?
Options:
A. chemical bonds
B. acid bonds
C. carbon bonds
D. atom bonds | A |
Question: The visible surface of the sun is called what?
Options:
A. Corona
B. Chromosphere
C. Radiative Zone
D. photosphere | D |
Question: Which system is capable of responding quickly to changing situations?
Options:
A. circulatory system
B. nervous system
C. endocrine system
D. reproductive system | B |
Question: What two substances do plants give off when they make food?
Options:
A. oxygen and water
B. carbon dioxide and oxygen
C. water and oil
D. chlorophyll and nitrogen | A |
Question: What kind of energy positions do electrons occupy during ground state?
Options:
A. closest energy positions
B. lowest energy positions
C. relative energy positions
D. highest energy positions | B |
Question: What are metals and good electrical conductors that tend to lose their valence electrons in chemical reactions called?
Options:
A. conservants
B. reductants
C. stable metals
D. precious metals | B |
Question: What is the term for liquid water falling from the sky?
Options:
A. fire
B. rain
C. wind
D. mud | B |
Question: What term did schrödinger use for regions around the nucleus where electrons are most likely to be?
Options:
A. isotopes
B. ellipses
C. orbitals
D. arrays | C |
Question: What exactly happens during rna translation?
Options:
A. membrane is synthesized
B. chromosome is synthesized
C. carbohydrate is synthesized
D. protein is synthesized | D |
Question: How long are microfilaments?
Options:
A. 9 nm
B. 4 nm
C. 7 nm
D. 7 m | C |
Question: What is the area around the nucleus of an atom where electrons are likely to be, called?
Options:
A. electron cloud
B. electron membrane
C. electron pocket
D. electron wave | A |
Question: What type of matter in the spinal cord has the appearance of an ink-blot test and is subdivided into regions that are referred to as horns?
Options:
A. bright matter
B. dark matter
C. wet matter
D. gray matter | D |
Question: What type of sedimentary rocks are made of minerals that precipitate from saline water?
Options:
A. shale
B. limestone
C. chemical sedimentary rocks
D. sandstone | C |
Question: Sexual reproduction involves the production of haploid gametes by what?
Options:
A. lesions
B. meiosis
C. mitosis
D. mutations | B |
Question: What is emitted by nuclei in alpha, beta, and gamma decay?
Options:
A. convection
B. radiation
C. solar energy
D. magnetic field | B |
Question: What do we call the recycling of inorganic matter between living organisms and their environment?
Options:
A. water cycle
B. biogeochemical cycle
C. phosphorus cycle
D. nutrient cycle | B |
Question: The tensor fascia latae acts as what, in relation to the gluteus medius and iliopsoas, for the purpose of flexing and abducting the thigh?
Options:
A. spicule
B. antagonist
C. synergist
D. symbiotic | C |
Question: What cellular process is controlled by allosteric enzymes at key points in glycolysis and the citric acid cycle?
Options:
A. Metabolism
B. photosynthesis
C. cellular respiration
D. mitosis | C |
Question: What is the main function of the cardiovascular system?
Options:
A. respiration of air
B. transporting substances around the body
C. excretion of food waste
D. coordinate bones and muscles | B |
Question: What happens to water when it is heated in the broiler?
Options:
A. it contracts
B. it evolves
C. it expands
D. it introduces | C |
Question: What atoms make up a water molecule?
Options:
A. alumhg and oxygen
B. One Hydrogen
C. Sodium and Oxygen
D. hydrogen and oxygen | D |
Question: What leads to the buildup of electric charges on objects?
Options:
A. movement
B. polarization
C. gravity
D. rotation | B |
Question: What is it called when body’s internal environment is stable?
Options:
A. hypothesis
B. synchronicity
C. ketosis
D. homeostasis | D |
Question: Precipitation, evaporation, transpiration, and condensation are part of what cycle?
Options:
A. water cycle
B. air cycle
C. life cycle
D. cold cycle | A |
Question: Life span is distinct from what, which means the sequence of stages a plant goes through from seed germination to seed production of the mature plant?
Options:
A. society cycle
B. life cycle
C. feeding cycle
D. spin cycle | B |
Question: What is it called when the soils of the arctic tundra remain in a perennially frozen state?
Options:
A. permafreeze
B. permafrost
C. glacial domination
D. concentrated freeze | B |
Question: The three classes of elements are metals, nonmetals, and what?
Options:
A. molecules
B. atoms
C. metalloids
D. ionic compounds | C |
Question: What do you call the fixed point of a lever?
Options:
A. apex
B. base
C. caliper
D. fulcrum | D |
Question: What process tends to be external in aquatic species and internal in terrestrial species?
Options:
A. infection
B. fertilization
C. migration
D. pollination | B |
Question: Which electromagnetic radiation is used to kill cancer cells?
Options:
A. ultraviolet rays
B. gamma rays
C. plasma rays
D. X-rays | B |
Question: What is the term for going into a dormant state during the winter?
Options:
A. fermentation
B. gestation
C. homeostasis
D. hibernation | D |
Question: Shrimp are an example of what group within the arthropods?
Options:
A. crustaceans
B. myriapods
C. scorpion
D. insect | A |
Question: Many enzymes are simple proteins consisting entirely of one or more of these?
Options:
A. interaction acid chains
B. proteins acid chains
C. amino acid chains
D. alkali acid chains | C |
Question: What property of carbon and other elements can be used to date fossils and rocks, among other things?
Options:
A. full-life
B. mass
C. magnetic force
D. half-life | D |
Question: A solution is what type of mixture, where the dissolved particles are spread evenly through the mixture?
Options:
A. gaseous
B. saline
C. heterogeneous
D. homogeneous | D |
Question: The base in an antacid reacts to do what to excess stomach acid?
Options:
A. expel it
B. oxidize it
C. neutralize it
D. repel it | C |
Question: In single-celled organisms, what does the plasma membrane extensions help the organisms to do?
Options:
A. inspect
B. move
C. prevent
D. increase | B |
Question: Red-green color blindness is an example of a sex-linked condition caused by what?
Options:
A. recessive allele
B. phenotype
C. genetic disorder
D. dominant gene | A |
Question: What can be switched off by a protein called the trp repressor?
Options:
A. the operon
B. the genetic precursor
C. the cytokine
D. the chaperone protein | A |
Question: What is the name of vesicles that are formed by the golgi apparatus?
Options:
A. vessels
B. capillaries
C. lymphocytes
D. lysosomes | D |
Question: What is the term for the arrangement of veins in a leaf?
Options:
A. dorsal pattern
B. venation pattern
C. cerebellum pattern
D. vein pattern | B |
Question: Anabolic reactions require energy, so they are considered what type of reaction?
Options:
A. hydrostatic
B. autotrophic
C. endothermic
D. exothermic | C |
Question: Lack of which attachment makes ester molecules incapable of intermolecular hydrogen bonding?
Options:
A. carbon oxygen atom
B. carbon fluorine atom
C. carbon sulfur atom
D. hydrogen-oxygen atom | D |
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