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What source of water pollution picks up chemicals from the ground with water and carries them to bodies of water?
A. erosion
B. sediment
C. runoff
D. fertilizer
Answer: | C |
Where do all cells come from?
A. dying cells
B. large cells
C. pre-existing cells
D. busy cells
Answer: | C |
What is the term for learning from past experiences and reasoning?
A. experimental learning
B. insight learning
C. logical learning
D. consequence learning
Answer: | B |
Science is the process of knowing about the natural universe through observation and this?
A. variation
B. experimental
C. Test
D. experiment
Answer: | D |
What type of plant keeps it green leaves year-round?
A. cactus
B. conifer
C. evergreen plant
D. deciduous
Answer: | C |
What are reactions that can occur only in one direction called?
A. instantaneous
B. irreversible
C. critical
D. permanent
Answer: | B |
What is the diffusion of water molecules across a semipermeable membrane?
A. osmosis
B. active transport
C. organelle motion
D. electrolysis
Answer: | A |
What forms when there is a difference in temperature between the land and the air?
A. smoke
B. fog
C. sandstorms
D. tsunamis
Answer: | B |
What domain-level category of cells can contain more than 1000 times the dna found in a typical bacterial cell?
A. genetic
B. mutations
C. chromosomes
D. eukaryotic
Answer: | D |
What gas is released by burning of fossil fuels and contributes to global warming?
A. carbon dioxide
B. helium
C. hydrogen
D. nitrous oxide
Answer: | A |
A major disturbance in what results in an episode of severe weather called a storm?
A. the oceans
B. the ozone layer
C. the core
D. the atmosphere
Answer: | D |
Bone marrow, the thymus gland, the spleen, and the tonsils are organs in what body system?
A. reproductive system
B. nervous system
C. skeletal system
D. immune system
Answer: | D |
What term refers to the balance, or equilibrium, within the cell or a body, and an organism’s ability to keep a constant internal environment?
A. metabolism
B. ketosis
C. consciousness
D. homeostasis
Answer: | D |
Atoms of different elements can combine in simple whole number ratios to form what?
A. combinations
B. chemical compounds
C. mixtures
D. carbon compounds
Answer: | B |
What blood component serves both structural and molecular functions in blood clotting?
A. molecules
B. plasma
C. platelets
D. proteins
Answer: | C |
What type of reproduction begins when an egg and sperm combine?
A. sexual reproduction
B. natural reproduction
C. regular reproduction
D. asexual reproduction
Answer: | A |
What are long chains of amino acids?
A. Fatty Acid Chains
B. lipids
C. proteins
D. cells
Answer: | C |
What phase exists when all the water in a container has physical properties intermediate between those of the gaseous and liquid states?
A. hydrothermal fluid
B. stationary fluid
C. supercritical fluid
D. impregnation fluid
Answer: | C |
What do you call the movement of a substance from an area of a higher amount toward an area of lower amount?
A. precipitation
B. diffusion
C. filtration
D. extraction
Answer: | B |
Each myofibril is made up of two types of proteins, called actin and what?
A. Fatty Acid
B. myosin
C. elongation
D. dynein
Answer: | B |
If the experimental value is less than the accepted value, the error is what?
A. caused
B. positive
C. effective
D. negative
Answer: | D |
According to which process, sublevels and orbitals are filled with electrons in order of increasing energy?
A. hausen
B. Schrodinger's cat
C. aufbau
D. particle dynamics
Answer: | C |
The roughness of interacting surfaces and the magnitude of force pushing one object onto another are two factors related to what force?
A. temperature
B. friction
C. energy
D. tension
Answer: | B |
How many types of leptons are there?
A. six
B. nine
C. twelve
D. two
Answer: | A |
Plants, algae and bacteria are all examples of what type of organism?
A. microbes
B. unicellular
C. photosynthetic
D. skeletal
Answer: | C |
What forms after air cools below its dew point?
A. sleet
B. fog
C. plasma
D. smoke
Answer: | B |
In hornworts, the horns are the sporophytes that rise up from what?
A. the roots
B. the breaza gametophyte
C. the leaflike gametophyte
D. the polyol gametophyte
Answer: | C |
What generally sets the direction that technology takes?
A. local weather
B. problems of society
C. random chance
D. local animals
Answer: | B |
Living things that feed on others are generally known as what?
A. customers
B. consumers
C. producers
D. isolators
Answer: | B |
What is an isotope that is radioactive called?
A. isotopes
B. matured isotope
C. radioisotopes
D. radionuclides
Answer: | C |
What is a compound that can form ions when it dissolves in water called?
A. sulfate
B. electrolyte
C. compound
D. isolate
Answer: | B |
When using a generator, we are transforming what energy into what energy?
A. kinetic into electrical
B. thermal into radioactive
C. magnetic into kinetic
D. mechanical into thermal
Answer: | A |
What kind of resource is soil?
A. viable
B. nonrenewable
C. finite
D. renewable
Answer: | D |
What is the term for the stalk connecting a leaf to a stem?
A. blades
B. base
C. petiole
D. cuticle
Answer: | C |
What are the specialized cells within the brain called?
A. ions
B. neurons
C. electrons
D. protons
Answer: | B |
What stimulates the production of milk by the mammary glands following childbirth?
A. melanin
B. progesterone
C. prolactin
D. estrogen
Answer: | C |
In vascular plants, the sporophyte generation is what?
A. non-existant
B. dominant
C. submissive
D. resting
Answer: | B |
What organ system transports blood through the body and to and from the lungs?
A. metabolism
B. digestive
C. nervous
D. circulatory
Answer: | D |
"cardio" has become slang for what type of exercise that raises your heart rate for an extended amount of time?
A. anaerobic
B. aerobic
C. cyclical
D. kinetic
Answer: | B |
How many protons do all atoms of a particular element have in their nuclei?
A. varying number
B. same number
C. three
D. zero
Answer: | B |
One of the five fundamental conservation laws in the universe refers to conservation of what, which is the product of mass and velocity?
A. light
B. momentum
C. energy
D. fluid
Answer: | B |
Copper oxide is a result of what two substances mixing?
A. metal and oxygen
B. copper and gas
C. copper and oxygen
D. crystal and oxygen
Answer: | C |
The process of getting oxygen into the body and releasing carbon dioxide is called?
A. respiration
B. precipitation
C. persperation
D. osmosis
Answer: | A |
Someone who believes something despite the evidence is referred to by what term that references a false belief about our planet?
A. conspiracy theorist
B. solid - earther
C. geocentric-earther
D. flat-earther
Answer: | D |
Which cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems?
A. blood cells
B. myocyte
C. epithelial cells
D. neurons
Answer: | C |
Pressure is defined as the force per unit area on?
A. speed
B. weight
C. surface
D. gravity
Answer: | C |
What do body cells use for energy?
A. solvents
B. mixtures
C. sugars
D. chlorophyll
Answer: | C |
What force pulls people and objects toward the center of the earth?
A. gravity
B. variation
C. magnetism
D. motion
Answer: | A |
The rate of decay of carbon-14 does what over time?
A. remains stable
B. increases
C. decreases
D. becomes unstable
Answer: | A |
What behavior includes all the ways that animals interact with each other and the environment?
A. instinct
B. adaptation
C. interdependence
D. animal behavior
Answer: | D |
Food chains carry energy from what group to what group?
A. decomposers to producers
B. producers to consumers
C. refiners to consumers
D. consumers to producers
Answer: | B |
What are professionals in technology are generally called ?
A. doctors
B. engineers
C. scientists
D. biomechanics
Answer: | B |
What force occurs whenever two surfaces come into contact?
A. vibration
B. gravity
C. friction
D. tension
Answer: | C |
The anatomy of primate eyes shows they tend to rely more on vision than what sense, which is dominant in many other mammals?
A. taste
B. hearing
C. smell
D. touch
Answer: | C |
What are sensory cells?
A. specialized neurons or squirm cells
B. specialized epithelial or squirm cells
C. specialized neurons or epithelial cells
D. specialized neurons or navigable cells
Answer: | C |
What is it called when waves interact with other waves?
A. wave interference
B. combination interference
C. wave collision
D. wave impact
Answer: | A |
What is the ph level for pure water?
A. ph of 7
B. pH of 0
C. ph of 3.17
D. ph of 6.47
Answer: | A |
What is vital for nervous system functions that include muscle stimulation, memory formation, and learning?
A. acetylcholine
B. glutamate
C. thiamine
D. glycogen
Answer: | A |
The benthic zone is found at the bottom of all of what type of biomes?
A. aquatic
B. desert
C. space
D. well
Answer: | A |
The hydroxyl radical is highly reactive because it has what?
A. paired electron
B. paired proton
C. unpaired electron
D. unpaired neutron
Answer: | C |
Gametes swim with the aid of what structure to the female gametangium, and fertilization ensues?
A. flagella
B. oocyte
C. acrosome
D. nucleus
Answer: | A |
A phospholipid is a bond between the glycerol component of a lipid and what else?
A. chlorine molecule
B. phosphorous molecule
C. elemental molecule
D. oxygen molecule
Answer: | B |
What connects the fetus to the placenta?
A. umbilical cord
B. amniotic sac
C. womb
D. fallopian tube
Answer: | A |
In desert cactus, thorns that protect the water held in a large, barrel-shaped stem are an example of what?
A. characteristic
B. species
C. adaptation
D. feature
Answer: | C |
What are the most common dietary lipids?
A. diglycerides
B. phospholipids
C. triglycerides
D. monoglycerides
Answer: | C |
What process is the opposite of fusion and releases energy only when heavy nuclei are split?
A. fission
B. activation
C. diffusion
D. osmosis
Answer: | A |
Visible light is the narrow segment of what, to which the normal human eye responds?
A. phenomena spectrum
B. radio spectrum
C. electromagnetic spectrum
D. molecular spectrum
Answer: | C |
Bromine is much less abundant than fluorine or chlorine, but it is easily recovered from seawater, which contains about 65 mg of br− per what?
A. gallon
B. pound
C. liter
D. foot
Answer: | C |
Karyotyping shows whether what structures, which contain genetic information, are normal in number and appearance?
A. nucleoids
B. neutrons
C. ribosomes
D. chromosomes
Answer: | D |
Real gases deviate from ideal form at high pressure and what other thermodynamic condition?
A. high winds
B. high temperatures
C. low pressure
D. low temperatures
Answer: | D |
Organic substances, including proteins, carbohydrates, and oils, contain what element?
A. carbon
B. iron
C. acid
D. oxygen
Answer: | A |
What term describes anything that occupies space and has mass, and is generally divided into three states?
A. galaxy
B. lquid
C. stuff
D. matter
Answer: | D |
When light strikes the rods and cones, they hyperpolarize, shutting off their release of what?
A. vitreous fluid
B. dopamine
C. glutamate
D. enzyme
Answer: | C |
The heart contracts rhythmically to pump what to the lungs and the rest of the body?
A. Bile
B. Cerumen
C. blood
D. Chyle
Answer: | C |
What do light emitters do to what you see?
A. divide frequencies
B. subtract frequencies
C. block frequencies
D. add frequencies
Answer: | D |
A turbine using tides in the ocean can create what type of energy?
A. electricity
B. diffused
C. kinetic
D. conversion
Answer: | A |
The atomic number is the same as the number of what in an atom?
A. electrons
B. neutrons
C. protons
D. ions
Answer: | C |
What is the closed circulatory system of humans and other vertebrates called?
A. reproductive system
B. cardiovascular system
C. digestive system
D. respiratory system
Answer: | B |
"red-shift" refers to a shift toward red in the spectrum from what celestial bodies?
A. comets
B. planets
C. stars
D. galaxies
Answer: | C |
What is the name for substances with a ph above 7?
A. protein
B. acid
C. nutrient
D. bases
Answer: | D |
The subducting oceanic plate does what as it reenters the mantle?
A. evaporates
B. disappers
C. melts
D. freezes
Answer: | C |
Which stage of development is a period during which apoptosis is widespread and plays a crucial role?
A. embryonic
B. puberty
C. transgenic
D. infancy
Answer: | A |
What orifice in the body is particularly helpful in both digestion and respiration?
A. nostril
B. mouth
C. nose
D. anus
Answer: | B |
What subphylum, which includes crabs and crayfish, represents the dominant aquatic arthropods?
A. crustaceans
B. invertebrates
C. sponges
D. arachnids
Answer: | A |
What do neurons pass to the next neuron?
A. neurotransmitters
B. contaminants
C. blood
D. receptors
Answer: | A |
What determines which type of precipitation falls in the atmosphere?
A. moon phase
B. air temperature
C. time of day
D. air density
Answer: | B |
The main functions of what complex carbohydrates are to store energy and form structural tissues?
A. polysaccharides
B. oligosaccharides
C. monosaccharides
D. polypeptides
Answer: | A |
High consumption of saturated fats is linked to an increased risk of what disease?
A. pulmonary edema
B. cardiovascular disease
C. diabetes
D. high blood pressure
Answer: | B |
What does hair get its color from?
A. stimulating pigments
B. elasticity pigments
C. melanin pigments
D. fluorescent pigments
Answer: | C |
What type of animal in the sea spend most of their lives as medusae?
A. sharks
B. fish
C. whales
D. jellyfish
Answer: | D |
Desert plants have evolved processes to conserve water and deal with harsh conditions. a more efficient use of co2 allows plants to adapt to living with what?
A. more water
B. less water
C. more sunlight
D. less competition
Answer: | B |
Plants, cyanobacteria, and algae are living things that undergo what process and produce glucose?
A. photosynthesis
B. cytoplasmic transfer
C. glycolysis
D. cellular respiration
Answer: | A |
All chemical changes involve a transfer of what?
A. Water
B. heating
C. fuel
D. energy
Answer: | D |
What is the unique larval form of mollusks called?
A. trochophore
B. hydra
C. microfilariae
D. scallop
Answer: | A |
A voltage source and a conductor are common to all what?
A. thermometers
B. magnets
C. cooling circuits
D. electric circuits
Answer: | D |
Root systems are mainly of two types. dicots have a tap root system, while monocots have a what?
A. runner root system
B. long root system
C. attaching root system
D. fibrous root system
Answer: | D |
Enzymes in cellular reactions work to do what to the reaction?
A. decrease heat
B. speed it up
C. increase yield
D. slow it down
Answer: | B |
Bony fish can live in either of what type of aquatic biome?
A. estuaries or saltwater
B. saltwater or freshwater
C. oceans or estuaries
D. coral reefs or freshwater
Answer: | B |
What is categorized by the forces holding the individual atoms, ions, or molecules together?
A. gases
B. solids
C. liquids
D. oils
Answer: | B |
What are the two main types of air pollutants?
A. new and old
B. primary and secondary
C. a and b
D. good and bad
Answer: | B |
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