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null | Question: When the temperature of water is increased after being used in cooling, it is this form of pollution?
Options:
A. cosmic
B. air
C. thermal
D. atmospheric
Answer: | C |
null | Question: Which type of animal creates useful substances such as honey, wax, lacquer, and silk?
Options:
A. spiders
B. insects
C. bacteria
D. fungus
Answer: | B |
null | Question: In the inner ear, the vibrations are changed to electrical signals by hair cells lining what?
Options:
A. hammer
B. ear canal
C. ear lobe
D. the cochlea
Answer: | D |
null | Question: Emissions of what gas into the atmosphere from fossil fuel burning have been rising for the past several decades?
Options:
A. oxygen
B. neon
C. sulphur
D. carbon dioxide
Answer: | D |
null | Question: What is the term for when clumped solids sink to the bottom of the water?
Options:
A. sediment
B. Clumping
C. sedimentation
D. Foundation
Answer: | C |
null | Question: What is the ratio of charge on a capacitor to potential difference across it called?
Options:
A. capacitance
B. resonance
C. electromagnetism
D. velocity
Answer: | A |
null | Question: What is split to produce nuclear energy?
Options:
A. chemicals
B. atoms
C. protons
D. molecules
Answer: | B |
null | Question: A fact or question is only considered science if it has what property?
Options:
A. it is testable
B. it is interesting
C. it is mineral
D. it is believable
Answer: | A |
null | Question: What temperature scale is obtained by adding 273 degrees from the corresponding celsius temperature?
Options:
A. whittle scale
B. seismic scale
C. kelvin scale
D. ph scale
Answer: | C |
null | Question: Which law explains why a ship weighing thousands of metric tons floats on water?
Options:
A. archimedes' law
B. hofstadter ' law
C. water pressure law
D. ganymede ' law
Answer: | A |
null | Question: What can bacterial stis be cured with?
Options:
A. pesticides
B. antioxidants
C. antibiotics
D. antiviral drugs
Answer: | C |
null | Question: The stoichiometric coefficients indicate the relative amounts of what?
Options:
A. reactions and products
B. exigencies and products
C. reactants and products
D. trajectories and products
Answer: | C |
null | Question: What term describes the energy required to increase the surface area of a liquid by a given amount?
Options:
A. surface tension
B. viscosity
C. boiling point
D. elastic collision
Answer: | A |
null | Question: What is unique and found in all living things because it can form up to four covalent bonds between atoms or molecules?
Options:
A. carbon
B. oxygen
C. hydrogen
D. potassium
Answer: | A |
null | Question: How did the first seed plants form seeds?
Options:
A. in folds
B. in cones
C. in leaves
D. in stems
Answer: | B |
null | Question: Scientists think the solar system formed from a big cloud of gas and dust called what?
Options:
A. comet
B. supernova
C. Oort cloud
D. nebula
Answer: | D |
null | Question: Saturn is made mostly of what two elements?
Options:
A. carbon and oxygen
B. hydrogen and helium
C. helium and lithium
D. nitrogen and boron
Answer: | B |
null | Question: What energy source, now making a comeback, has helped propel ships and pump water for many years?
Options:
A. weather energy
B. wind energy
C. geothermal energy
D. solar energy
Answer: | B |
null | Question: What does a keratometer measure in the cornea?
Options:
A. Lenght
B. curve
C. Width
D. diameter
Answer: | B |
null | Question: Scientists measure the gases that escape from a volcano to predict what?
Options:
A. eruptions
B. storms
C. snowfall
D. floods
Answer: | A |
null | Question: What is the rising and sinking of warm and cooler material called?
Options:
A. depression
B. diffusion
C. convection
D. conveyance
Answer: | C |
null | Question: What is a group of similar ecosystems with the same general abiotic factors and primary producers?
Options:
A. biome
B. family
C. ecoregion
D. taxon
Answer: | A |
null | Question: Robert merrifield developed the first synthetic approach for making what essential cell substances in the lab?
Options:
A. proteins
B. cells
C. acids
D. lipids
Answer: | A |
null | Question: How many viruses that can cause cancer in humans have been identified by scientists?
Options:
A. 3
B. 1
C. 4
D. 6
Answer: | D |
null | Question: The constant "c" can be specifically used to represent the (extremely fast) speed of what?
Options:
A. electricity
B. sound
C. gravity
D. light
Answer: | D |
null | Question: When animals get rid of their gaseous waste, what is exhaled through their mouth and nose?
Options:
A. hydrogen
B. carbon dioxide
C. carbon monoxide
D. oxygen
Answer: | B |
null | Question: The atomic number of tungsten is 74. therefore, in a neutral atom of tungsten, there are 74 electrons. the atomic number of argon is 18. therefore, in a neutral atom of argon, there are how many electrons?
Options:
A. 36
B. 74
C. 9
D. 18
Answer: | D |
null | Question: Metabolic enzymes catalyze catabolic reactions that break down what?
Options:
A. carbohydrates
B. proteins
C. lipids
D. impurities
Answer: | A |
null | Question: The different types of what systems work together to carry out all the life functions of the individual?
Options:
A. organ systems
B. heartbeat systems
C. maturation systems
D. digestive systems
Answer: | A |
null | Question: Descending fibers from the cerebrum have branches that connect to neurons in the pons. those neurons project into the cerebellum, providing a copy of motor commands sent to this?
Options:
A. umbilical cord
B. cerebral cortex
C. neurotransmitters
D. spinal cord
Answer: | D |
null | Question: What do you call any force that makes something move in a circle?
Options:
A. centripetal force
B. cyclical
C. momentum
D. tangential force
Answer: | A |
null | Question: People with type o blood are often called what?
Options:
A. flexible donors
B. complete donors
C. universal donors
D. likely donors
Answer: | C |
null | Question: What two basic types of feather does a bird have?
Options:
A. carrying and down
B. flight and down
C. up and down
D. flight and landing
Answer: | B |
null | Question: Most hydrozoa have both polyp and what forms in their life cycle?
Options:
A. medusa
B. hydra
C. polypoid
D. globular
Answer: | A |
null | Question: Abrasion is a process of what type of weathering?
Options:
A. molecular
B. environmental
C. mechanical
D. geological
Answer: | C |
null | Question: What is stored and concentrated in the gallbladder?
Options:
A. calcium
B. oxygen
C. insulin
D. bile
Answer: | D |
null | Question: The goal of homeostasis is the maintenance of what, around a point or value called a set point?
Options:
A. equilibrium
B. imbalance
C. steadiness
D. agitation
Answer: | A |
null | Question: What do obligate aerobes need to live?
Options:
A. oxygen
B. dioxide
C. acid
D. blood
Answer: | A |
null | Question: What organ creates bile?
Options:
A. liver
B. pancreas
C. heart
D. kidney
Answer: | A |
null | Question: Do bacteria sexually reproduce?
Options:
A. they don't reproduce
B. no
C. sometimes
D. yes
Answer: | B |
null | Question: Fe for iron and pb for lead are examples of elements known since ancient times, which have symbols based on their name in what language?
Options:
A. spanish
B. arabic
C. latin
D. italian
Answer: | C |
null | Question: What is the preferred food for almost all primates except for humans?
Options:
A. grass
B. wheat
C. corn
D. fruit
Answer: | D |
null | Question: How many steps are involved in blood clotting?
Options:
A. five
B. three
C. six
D. two
Answer: | B |
null | Question: What type of motor is used in most household devices with moving parts?
Options:
A. electric motors
B. vacuum motors
C. thermal motors
D. cooling motors
Answer: | A |
null | Question: Most reptile eggs can be laid on land, not in water and they are called what?
Options:
A. aqueous
B. umbilical
C. amniotic
D. Transitional
Answer: | C |
null | Question: What is the term for decomposers that consume dead leaves, animal feces, and other organic debris collected on the ground or at the bottom of water?
Options:
A. consumers
B. recyclers
C. scavengers
D. detritivores
Answer: | D |
null | Question: What form of feedback occurs when an accumulation of an end product slows the process that makes that product?
Options:
A. positive feedback
B. particular feedback
C. optimal feedback
D. negative feedback
Answer: | D |
null | Question: What is the most important factor in determining the type of soil that forms in a particular area?
Options:
A. climate
B. landscape
C. altitude
D. migration
Answer: | A |
null | Question: When oxygen is not bound to heme and the partial pressure of oxygen is low, hemoglobin readily binds to what?
Options:
A. sulfur
B. carbon
C. carbon dioxide
D. iron
Answer: | C |
null | 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
Answer: | C |
null | Question: What is the term for gases that absorb heat in the atmosphere?
Options:
A. greenhouse gases
B. ionic gases
C. thermal gases
D. sulfuric gases
Answer: | A |
null | Question: Higher pressures increase the solubility of what?
Options:
A. fuels
B. molecules
C. bases
D. gases
Answer: | D |
null | Question: What type of respiration does not use oxygen?
Options:
A. oxidation
B. condensation
C. fermentation
D. cellular
Answer: | C |
null | Question: What instrument made it possible to study pressure quantitatively?
Options:
A. seismograph
B. barometer
C. anemometer
D. thermometer
Answer: | B |
null | Question: What does magma that cools underground form?
Options:
A. instrusions
B. chambers
C. fluctuations
D. new crust
Answer: | A |
null | Question: Where is the spinal trigeminal nucleus located?
Options:
A. spinal cord
B. medulla
C. cerebrum
D. pons
Answer: | B |
null | Question: What is a symbiotic relationship in which both species benefit?
Options:
A. mutualism
B. detrimental
C. parasitism
D. inorganic
Answer: | A |
null | Question: Where does most natural gas come from?
Options:
A. wells that produce petroleum
B. recycled cooking oil
C. oceans
D. alchemy
Answer: | A |
null | Question: Proper kidney function is essential for homeostasis of what level, which in turn helps ensure the functioning of enzymes?
Options:
A. ions
B. ph
C. calcium
D. oxygen
Answer: | B |
null | Question: The classes anthozoa, scyphozoa, cubozoa, and hydrozoa make up what phylum?
Options:
A. crinoids
B. mollusca
C. cnidaria
D. poriferia
Answer: | C |
null | Question: The bending of a wave around the edges of an opening or an obstacle is called this?
Options:
A. reflection
B. absorption
C. sputtering
D. diffraction
Answer: | D |
null | Question: Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what?
Options:
A. parasites
B. white blood cells
C. vaccines
D. pathogens
Answer: | D |
null | Question: What part of a plant is the food making factory?
Options:
A. the main stem
B. the growing tips
C. the leaves
D. the roots
Answer: | C |
null | Question: The number of waves that pass a fixed point in a given amount of time is called what?
Options:
A. spread of a wave
B. frequency of a wave
C. spectroscopy of a wave
D. wavelength of a wave
Answer: | B |
null | Question: Ecological succession refers to the change in the numbers and types of species that live in what groups?
Options:
A. biomes
B. movements
C. colonies
D. communities
Answer: | D |
null | Question: One of the five fundamental conservation laws in the universe refers to conservation of what, which is the product of mass and velocity?
Options:
A. fluid
B. light
C. momentum
D. energy
Answer: | C |
null | Question: What tissue consists of cells that form the body’s structure?
Options:
A. connective
B. reproductive
C. congenital
D. fibrous
Answer: | A |
null | Question: Neon, krypton and argon are examples of what kind of gases, which produce light by electroluminescence?
Options:
A. irradiation gases
B. radiation gases
C. ionic gases
D. halogen gases
Answer: | D |
null | Question: Living things on the ocean floor are known as?
Options:
A. newts
B. benthos
C. decomposers
D. protozoa
Answer: | B |
null | Question: What speeds up chemical reactions inside cells?
Options:
A. electrodes
B. catalysts
C. inhibitors
D. nucleus
Answer: | B |
null | Question: The regulation of gene expression is extremely important during the development of what?
Options:
A. organism
B. tissues
C. protein
D. cells
Answer: | A |
null | Question: What is the name of the tube that carries sperm from the epididymis to the urethra?
Options:
A. vas deferens
B. ureter
C. fallopian tube
D. prostate gland
Answer: | A |
null | Question: Natural selection for what type of trait changes the distribution of phenotypes?
Options:
A. major trait
B. parent trait
C. polygenic trait
D. maladaptive trait
Answer: | C |
null | Question: Chemical reactions that consume energy are called what?
Options:
A. exothermic reactions
B. inefficient reactions
C. endothermic reactions
D. greedy reactions
Answer: | C |
null | Question: In what two ways are volcanic eruptions characterized?
Options:
A. non-explosive and serious
B. minor and explosive
C. localized and general
D. explosive and non-explosive
Answer: | D |
null | Question: Neutrons and protons reside in which part of the atom?
Options:
A. molecules
B. vacuoles
C. nucleolus
D. nucleus
Answer: | D |
null | Question: Blood enters the heart in what valve?
Options:
A. atria
B. aortic
C. tricuspid
D. mitral
Answer: | A |
null | Question: What term is used to describe structures that are similar in unrelated organisms?
Options:
A. isolated
B. symbolic
C. analogous
D. reproductive
Answer: | C |
null | Question: What cycle completes the breakdown of glucose begun in glycolysis?
Options:
A. krebs
B. vireos
C. bacterium
D. priebus
Answer: | A |
null | Question: What is an alloy of copper and tin?
Options:
A. zinc
B. bronze
C. silver
D. gold
Answer: | B |
null | Question: What is the matter through which sound waves travel?
Options:
A. air
B. mass
C. medium
D. dust
Answer: | C |
null | Question: What type of properties are characteristics that describe matter?
Options:
A. thermal
B. invisible
C. visible
D. physical
Answer: | D |
null | Question: If humans were to artificially intervene and fertilize the egg of a bald eagle with the sperm of an african fish eagle and a chick did hatch, that offspring, called a hybrid (a cross between two species), would probably be this?
Options:
A. mutated
B. infertile
C. fertile
D. nonviable
Answer: | B |
null | Question: What is the developing human organism referred to as from the end of the eighth week until birth?
Options:
A. fetus
B. babies
C. egg
D. nucleus
Answer: | A |
null | Question: Soils with higher capacities generally have a larger reserve of what?
Options:
A. protein
B. hydrogen nutrients
C. mineral nutrients
D. water
Answer: | C |
null | Question: What happens to water vapor as it rises?
Options:
A. it cools
B. it disperses
C. it warms
D. it vibrates
Answer: | A |
null | Question: What nest of cells protect the egg as it matures in the ovary?
Options:
A. the clump
B. the follicle
C. the epidermis
D. the tube
Answer: | B |
null | Question: To undo the tarnish on copper pennies, you can place them in what liquid?
Options:
A. seawater
B. distilled water
C. honey
D. vinegar
Answer: | D |
null | Question: Adaptations that go along with the active, carnivorous lifestyle of sharks are known as?
Options:
A. acute parameters
B. similar senses
C. acute senses
D. Relative traits
Answer: | C |
null | Question: Red-green colorblindness is an example of what kind of trait?
Options:
A. sex-linked
B. fatal
C. adaptive
D. dominant
Answer: | A |
null | Question: What is the smallest contractile portion of a muscle?
Options:
A. sarcomere
B. capillary
C. cell
D. filaments
Answer: | A |
null | Question: What kind of gland produces an oily substance that waterproofs the hair and skin?
Options:
A. secretion gland
B. nail gland
C. mucous gland
D. sebaceous gland
Answer: | D |
null | Question: Hiv has proteins called what, internal to the envelope, which help stabilize virion shape?
Options:
A. sphere proteins
B. matrix proteins
C. reduction proteins
D. step proteins
Answer: | B |
null | Question: Which process involves solvent separation on a solid medium?
Options:
A. chromatography
B. resonance
C. substration
D. affinity
Answer: | A |
null | Question: Which elements fall between metals and nonmetals in the periodic table?
Options:
A. halogens
B. noble gases
C. synthetics
D. metalloids
Answer: | D |
null | Question: If an animal eats large pieces of food it is known as a?
Options:
A. many feeder
B. large consumer
C. bulk producer
D. bulk feeder
Answer: | D |
null | Question: The vitamins and minerals contained in all of the food we consume are important for all of our organ systems. however, there are certain nutrients that affect this?
Options:
A. abnormal health
B. bone health
C. mental health
D. chain health
Answer: | B |
null | Question: A bicycle is an example of a compound machine made of many what?
Options:
A. linked machines
B. simple machines
C. useful machines
D. interchangeable machines
Answer: | B |
null | Question: The temperature of the box is related to the average speed of what?
Options:
A. molecules
B. light
C. air
D. earth
Answer: | A |
null | Question: What is the study of the energy transformations that occur in a collection of matter?
Options:
A. fluctuations
B. geophysics
C. thermodynamics
D. kinetics
Answer: | C |
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