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null | Question: A system of glands secretes what chemical messenger molecules into the blood?
Options:
A. hormones
B. enzymes
C. acids
D. metabolytes
Answer: | A |
null | Question: The medieval catapult has a heavy ballast on one end and what on the other end?
Options:
A. fragment
B. projectile
C. pivot
D. propellant
Answer: | B |
null | Question: Methanogens in their gut enable what process in cows?
Options:
A. regeneration
B. absorption
C. excretion
D. digestion
Answer: | D |
null | Question: What system plays a critical role in the regulation of vascular homeostasis?
Options:
A. circulatory system
B. nervous system
C. renal system
D. endocrine system
Answer: | B |
null | Question: All solutions contain at least how many substances?
Options:
A. one
B. two
C. four
D. three
Answer: | B |
null | Question: Herbivores and the bacteria that live in their intestines demonstrate a two-way beneficial relationship called what?
Options:
A. pragmatism
B. mutualism
C. parasitism
D. syncretism
Answer: | B |
null | Question: Malonate plays what negative role on the enzyme succinate dehydrogenase?
Options:
A. receptor
B. pathway
C. catalyst
D. inhibitor
Answer: | D |
null | Question: Making a specific statement based on a general principle is the definition of what type of reasoning?
Options:
A. deductive
B. inference
C. inductive
D. transitive
Answer: | A |
null | Question: In science, coefficients are used to balance what kind of equations?
Options:
A. mineral
B. isolated
C. liquid
D. chemical
Answer: | D |
null | Question: The products of photosynthesis are glucose and what else?
Options:
A. carbon
B. nitrogen
C. hydrogen
D. oxygen
Answer: | D |
null | Question: What is released to lubricate the vagina to facilitate intercourse?
Options:
A. semen
B. vaginal secretions
C. urine
D. blood
Answer: | B |
null | Question: The transfer of energy by electromagnetic waves is called what?
Options:
A. particulate radiation
B. magnetic radiation
C. mechanical radiation
D. electromagnetic radiation
Answer: | D |
null | Question: What is the exchange of plasmids by prokaryotes called?
Options:
A. biochemical transfer
B. artificial transfer
C. transcription
D. genetic transfer
Answer: | D |
null | Question: The cell wall of plants is made up of a complex carbohydrate that is a polymer of what sugar?
Options:
A. insulin
B. fructose
C. glucose
D. sucrose
Answer: | C |
null | Question: What do you call the formation of a water vapor pocket?
Options:
A. conduction
B. precipitation
C. cavitation
D. coagulation
Answer: | C |
null | Question: Smog is one example of what type of pollution?
Options:
A. sound
B. air
C. energy
D. light
Answer: | B |
null | Question: What disease is the result of unchecked cell division caused by a breakdown of the mechanisms regulating the cell cycle?
Options:
A. cancer
B. dementia
C. gout
D. diabetes
Answer: | A |
null | Question: What type of molecules do hydrogen bonds hold together?
Options:
A. carbon
B. air
C. gas
D. water
Answer: | D |
null | Question: Which organisms get their energy source and carbon source from organic sources?
Options:
A. chemoheterotrophs
B. sporozoans
C. herbivores
D. ectomorphs
Answer: | A |
null | Question: What is the process by which a liquid changes to a solid?
Options:
A. melting
B. freezing
C. vaporizing
D. boiling
Answer: | B |
null | Question: In which phase do the sister chromatids separate?
Options:
A. prophase
B. anaphase
C. latent phase
D. passivation
Answer: | B |
null | Question: What process provides over 99% of the energy supply for life on earth?
Options:
A. photosynthesis
B. Carbon
C. nutrients
D. gases
Answer: | A |
null | Question: Parasites infect the host's what?
Options:
A. white blood cells
B. red blood cells
C. plasma
D. platelets
Answer: | B |
null | Question: A phase diagram plots temperature and what else?
Options:
A. power
B. friction
C. pressure
D. movement
Answer: | C |
null | Question: In what way do all vertebrates reproduce?
Options:
A. sexually
B. asexually
C. biologically
D. mitosis
Answer: | A |
null | Question: What group of animals has permeable skin that makes them vulnerable to pollution?
Options:
A. amphibians
B. fish
C. reptiles
D. mammals
Answer: | A |
null | Question: Most hybrids are sterile because what genetic structures are not homologous and cannot pair during meiosis?
Options:
A. chromosomes
B. zygotes
C. phenotypes
D. ribosomes
Answer: | A |
null | Question: What are the three stages of water?
Options:
A. liquid, underground, frozen
B. ice, rock, sky
C. vapor, earth, internal
D. ice, liquid, vapor
Answer: | D |
null | Question: The lymphatic system helps return fluid that leaks from the blood vessels back to what system?
Options:
A. peripheral
B. cardiovascular
C. nervous
D. pulmonary
Answer: | B |
null | Question: What is the latin name for mercury?
Options:
A. spirogyra
B. stibium
C. hydrargyrum
D. trichina
Answer: | C |
null | Question: Stars spend most of their lives on the main sequence, fusing hydrogen into what?
Options:
A. nitrogen
B. helium
C. neon
D. carbon
Answer: | B |
null | Question: What is the term for the ability of a fluid to exert an upward force on any object placed in it?
Options:
A. viscosity
B. resonance
C. density
D. buoyancy
Answer: | D |
null | Question: Sperm propel themselves through secretions in the uterus and enter what tube?
Options:
A. ovarian
B. gaseous
C. uterine
D. fallopian
Answer: | D |
null | Question: In which process do paired chromosomes normally separate from each other?
Options:
A. diffusion
B. gametes
C. mutations
D. meiosis
Answer: | D |
null | Question: Atmospheric pressure can be measured with what tool?
Options:
A. thermometer
B. scale
C. ruler
D. barometer
Answer: | D |
null | Question: What amazing machines smash particles that are smaller than atoms into each other head-on?
Options:
A. observant accelerators
B. absorption accelerators
C. nitrogen accelerators
D. particle accelerators
Answer: | D |
null | Question: What are the preserved remains of animals, plants, and other organisms called?
Options:
A. fossils
B. rocks
C. skulls
D. basalt
Answer: | A |
null | Question: The process that a plant increases in size is known as what?
Options:
A. harvest
B. growth
C. trend
D. fertilization
Answer: | B |
null | Question: What kind of potentially harmful compounds can barbecuing food create?
Options:
A. carcinogens
B. mutagens
C. triglycerides
D. enzymes
Answer: | A |
null | Question: What kind of atomic molecule is oxygen gas?
Options:
A. aromatic
B. symbiotic
C. dramatic
D. diatomic
Answer: | D |
null | Question: The location of an object in a frame of reference is called what?
Options:
A. marker
B. position
C. change
D. fact
Answer: | B |
null | Question: What are materials that have a low resistance to electrical current called?
Options:
A. electrical conductors
B. electrons
C. resistors
D. fast conductors
Answer: | A |
null | Question: Being dependent on adults for a long maturation period allows young primates ample time for what?
Options:
A. learning
B. attachment
C. socialization
D. sleeping
Answer: | A |
null | Question: A species become separated and becomes two separate species. what can they not do anymore?
Options:
A. eat
B. grow
C. breed
D. defecate
Answer: | C |
null | Question: What term refers to the friction of fluid, within itself and its surroundings?
Options:
A. volume
B. viscosity
C. salinity
D. elasticity
Answer: | B |
null | Question: What is the main type of organism that gets its energy directly from the sun?
Options:
A. animals
B. carnivores
C. consumers
D. plants
Answer: | D |
null | Question: What are broad explanations that are widely accepted as true?
Options:
A. scientific theories
B. informal theories
C. scientific experiments
D. scientific hypotheses
Answer: | A |
null | Question: What kind of container is used to measure heat changes during a chemical reaction or physical process?
Options:
A. graduated cylinder
B. hydrostatic
C. calorimeter
D. thermal flask
Answer: | C |
null | Question: Conotoxins released by certain marine snails can bring about paralysis in humans, indicating that this toxin attacks what system?
Options:
A. circulatory
B. cardiovascular
C. neurological
D. cerebral
Answer: | C |
null | Question: Planets are held by the force of gravity in elliptical orbits around what?
Options:
A. earth
B. jupitor
C. sun
D. mars
Answer: | C |
null | Question: Insects use what structures, located on the head, to smell and taste chemicals, and in some cases to hear sounds?
Options:
A. antennae
B. legs
C. caripace
D. appendages
Answer: | A |
null | Question: What are the only organelles that prokaryotic cells have?
Options:
A. ribosomes
B. nuclei
C. fibroblasts
D. chloroplasts
Answer: | A |
null | Question: What is made up of organisms of the same species that live in the same area?
Options:
A. system
B. countries
C. population
D. tissue
Answer: | C |
null | Question: Upon reaching the postsynaptic membrane, what type of chemical messenger binds to and activates a specific receptor?
Options:
A. neurotransmitter
B. neuropeptide
C. pheromone
D. hormone
Answer: | A |
null | Question: What occurs when the immune system is not working properly?
Options:
A. allergy
B. cancer
C. anemia
D. immunodeficiency
Answer: | D |
null | Question: Terminal pods are located at the end of what?
Options:
A. stems
B. leaves
C. fruits
D. spines
Answer: | A |
null | 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 thermodynamics
B. law of simplicity
C. law of averages
D. law of parsimony
Answer: | D |
null | Question: Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead what?
Options:
A. mammals
B. plants
C. chloroplasts
D. eukaryotic
Answer: | D |
null | Question: What is the term for a homogeneous mixture of two or more substances?
Options:
A. compound
B. saturation
C. solution
D. element
Answer: | C |
null | Question: Together, the muscular and skeletal organs are known as what?
Options:
A. nervous system
B. lymphatic system
C. musculoskeletal system
D. cardiovascular system
Answer: | C |
null | Question: Where are the seeds in gymnosperms found?
Options:
A. in cones
B. in roots
C. in leaves
D. in folds
Answer: | A |
null | Question: Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue?
Options:
A. the nose
B. the tongue
C. the throat
D. the ear
Answer: | A |
null | Question: What evolutionary strategy enables substantial activity during sleep for some animals?
Options:
A. hibernation
B. reproduction
C. mutation
D. adaptation
Answer: | D |
null | Question: What is earth’s geographic north pole also called?
Options:
A. right north
B. vertical north
C. mere north
D. true north
Answer: | D |
null | Question: What kind of organisms are yeasts?
Options:
A. single-celled
B. bacteria
C. viruses
D. protozoa
Answer: | A |
null | Question: What type of rocks form when magma cools and forms crystals?
Options:
A. seismic
B. metarmorphic
C. igneous
D. sedimentary
Answer: | C |
null | Question: What can we learn about a wave by finding the product of the wavelength and frequency?
Options:
A. decibels
B. volume
C. type
D. speed
Answer: | D |
null | Question: What are small, icy objects that have very elliptical orbits around the sun?
Options:
A. comets
B. craters
C. meteors
D. asteroids
Answer: | A |
null | Question: Which part of a fish helps them breathe?
Options:
A. pores
B. fins
C. gills
D. layers
Answer: | C |
null | Question: Enzymes in saliva help bread down and digest what?
Options:
A. starches and fats
B. fiber and minerals
C. starches and water
D. water and fiber
Answer: | A |
null | Question: What is the process of creating complementary strands of mrna called?
Options:
A. transcription
B. differentiation
C. division
D. mutation
Answer: | A |
null | Question: Coral and the algae living inside of them have what type of relationship, since the algae relies on the coral to stay close to the water's surface?
Options:
A. competitive
B. peculiar
C. symbiotic
D. parasitic
Answer: | C |
null | Question: What do we call the movement of individuals into a population from other areas?
Options:
A. assimilation
B. pilgrimage
C. nomadic
D. immigration
Answer: | D |
null | Question: What do extensive properties depend on the amount of?
Options:
A. sample temperature
B. matter in a sample
C. independent variables
D. experimental controls
Answer: | B |
null | Question: What is the term for the distance between any two corresponding points on adjacent waves?
Options:
A. osscilation
B. wavelength
C. tessellation
D. bandwidth
Answer: | B |
null | Question: What is the first step in protein synthesis?
Options:
A. reproduction
B. transcription
C. differentiation
D. mutation
Answer: | B |
null | Question: Transforming from a caterpillar to a butterfly requires a lot of what?
Options:
A. food
B. Water
C. fuel
D. energy
Answer: | D |
null | Question: What type of energy is the energy stored in an object due to its position?
Options:
A. directional energy
B. spontaneous energy
C. mechanical energy
D. potential energy
Answer: | D |
null | Question: Ions are formed when atoms gain or lose what?
Options:
A. protons
B. mass
C. electrons
D. neutrons
Answer: | C |
null | Question: How do most echinoderms reproduce?
Options:
A. flowering
B. grafting
C. sexually
D. asexually
Answer: | C |
null | Question: What is the term for a pure substance that possesses unique properties and cannot be broken down into other substances?
Options:
A. plastic
B. element
C. alloy
D. light
Answer: | B |
null | Question: What type of molecules help the plasma membrane keep its shape?
Options:
A. cholesterol
B. metabolic
C. proteins
D. magnesium
Answer: | A |
null | Question: Magnetite crystals of different ages and on different continents pointed to different spots. the simplest explanation is that the continents have done what?
Options:
A. moved
B. evolved
C. reacted
D. changed
Answer: | A |
null | Question: What is a mixture of a solute in a solvent called?
Options:
A. link
B. structure
C. transition
D. solution
Answer: | D |
null | Question: What of most species are resistant cells that can survive harsh conditions?
Options:
A. subtypes
B. phenotypes
C. gonads
D. zygotes
Answer: | D |
null | Question: Do waves move faster when particles are close to each other or far away?
Options:
A. open
B. close
C. far away
D. unaffected
Answer: | B |
null | Question: Why is gingko biloba planted in public spaces?
Options:
A. self-containing
B. self-pollinating
C. resistant to pollution
D. for xeriscaping
Answer: | C |
null | Question: What is cellular respiration that proceeds in the presence of oxygen known as?
Options:
A. aerobic respiration
B. digestive respiration
C. anaerobic respiration
D. kinetic respiration
Answer: | A |
null | Question: What type of species have a large effect on the balance of organisms in an ecosystem?
Options:
A. keystone
B. decomposers
C. producers
D. secondary consumers
Answer: | A |
null | Question: What do tadpoles turn into?
Options:
A. fish
B. insects
C. snakes
D. frogs
Answer: | D |
null | Question: What kind of a disorder is tay-sachs disease?
Options:
A. accumulated disease
B. inherited disorder
C. vitamin difficiency
D. a type of cancer
Answer: | B |
null | Question: Besides depth soundings, what else are bathymetric maps made of?
Options:
A. density measures
B. solar data
C. intensity data
D. sonar data
Answer: | D |
null | Question: What dangerous oxygen compound is found in ground level smog?
Options:
A. ozone
B. neon
C. argon
D. sulfur dioxide
Answer: | A |
null | Question: It was not until the era of the ancient greeks that we have any record of how people tried to explain the chemical changes they observed and used. at that time, natural objects were thought to consist of only four basic elements: earth, air, fire, and this?
Options:
A. grass
B. sky
C. water
D. soul
Answer: | C |
null | Question: What makes up the dense outer layer of bones?
Options:
A. compact bone
B. adipose tissue
C. plasma
D. ligaments
Answer: | A |
null | Question: What mammal is often a pollinator of nocturnal flowers?
Options:
A. rabbits
B. hummingbirds
C. bat
D. sunbirds
Answer: | C |
null | Question: Photoautotrophs including (a) plants, (b) algae, and (c) cyanobacteria synthesize their organic compounds via photosynthesis using sunlight as this?
Options:
A. heating source
B. light source4
C. energy source
D. fuel source
Answer: | C |
null | Question: When fertilizer ends up in bodies of water, the added nutrients cause excessive growth referred to as what, which can render the water unfit for human consumption or recreation?
Options:
A. chemical bloom
B. algal bloom
C. caustic bloom
D. agricultural bloom
Answer: | B |
null | Question: What captures carbon dioxide as it is emitted by a power plant before it enters the atmosphere?
Options:
A. oxide sequestration
B. chemical sequestration
C. nitrogen sequestration
D. carbon sequestration
Answer: | D |
null | Question: What is the second stage of cellular respiration?
Options:
A. marr cycle
B. krebs cycle
C. duocycle
D. beatnik cycle
Answer: | B |
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