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null | Question: What are mid-wavelength electromagnetic waves commonly referred to as?
Options:
A. x-rays
B. gamma rays
C. light
D. electricity
Answer: | C |
null | Question: What type of reaction is a process in which some substances, called reactants, change into different substances, called products?
Options:
A. chemical reaction
B. physical reaction
C. toxic reaction
D. reversible reaction
Answer: | A |
null | Question: What word describes a change in behavior that occurs as a result of experience?
Options:
A. taking
B. learning
C. applying
D. heredity
Answer: | B |
null | Question: What planet, covered by a thick layer of clouds, looks smooth and featureless through a telescope?
Options:
A. venus
B. uranus
C. Earth
D. mars
Answer: | A |
null | Question: Embryos usually don't survive if they have extra or too few of these genetic units?
Options:
A. phenotypes
B. genes
C. ribosomes
D. chromosomes
Answer: | D |
null | Question: What is the largest planet in our solar system?
Options:
A. earth
B. jupiter
C. mars
D. uranus
Answer: | B |
null | Question: Changing the frequency of sound waves, will change the _________ of the sound of a musical instrument?
Options:
A. velocity
B. distance
C. direction
D. pitch
Answer: | D |
null | Question: What substances function as a long-term energy store in the human body and possess long carbon chains that prevent dissolving in water?
Options:
A. nanoparticles
B. hydrocarbons
C. triglycerides
D. steroids
Answer: | C |
null | Question: What do decomposers release once they have broken down the dead organisms?
Options:
A. inorganic molecules
B. organic molecules
C. essential molecules
D. unusable molecules
Answer: | A |
null | Question: Acid rain falling in lakes can kill aquatic organisms by lowering what?
Options:
A. color level
B. food level
C. saliva level
D. ph level
Answer: | D |
null | Question: Glucocorticoids and mineralocorticoids are the two main types of what in humans?
Options:
A. metabolites
B. corticosteroids
C. hormones
D. carotenoids
Answer: | B |
null | Question: The hydration of what is what makes many alcohols?
Options:
A. lipids
B. enzymes
C. alkenes
D. malts
Answer: | C |
null | Question: What is lowered when salts go into ion form?
Options:
A. power
B. voltage
C. charge
D. resistance
Answer: | D |
null | Question: What atoms make up a water molecule?
Options:
A. hydrogen and oxygen
B. One Hydrogen
C. alumhg and oxygen
D. Sodium and Oxygen
Answer: | A |
null | Question: What two elements do ribosome consist of?
Options:
A. malassezia and proteins
B. rrna and proteins
C. dna
D. lafleur and proteins
Answer: | B |
null | Question: What do we call the phase of nuclear division, in which one nucleus divides and becomes two nuclei?
Options:
A. metaphase
B. mitosis
C. cytokinesis
D. prometaphase
Answer: | B |
null | Question: The air pressure is about 80% that of ________ pressure at sea level.
Options:
A. internal atmospheric
B. specific atmospheric
C. standard atmospheric
D. adverse atmospheric
Answer: | C |
null | Question: What is produced by leydig cells in the embryonic testis and stimulates the development of male sexual organs?
Options:
A. androgen
B. testosterone
C. insulin
D. estrogen
Answer: | B |
null | Question: What nervous system is divided into two parts, the sensory division and the motor division?
Options:
A. physiological
B. central
C. developmental
D. peripheral
Answer: | D |
null | Question: What is the number of electrons equal to in every electrically neutral atom?
Options:
A. nucleus
B. molecules
C. Electrons
D. protons
Answer: | D |
null | Question: Where does carbohydrate digestion begin in the body?
Options:
A. throat
B. stomach
C. intestines
D. mouth
Answer: | D |
null | Question: What type of aquifer is trapped between two impermeable rock layers?
Options:
A. abandoned
B. solid
C. segmented
D. confined
Answer: | D |
null | Question: After passing through capillaries and being filtered, clean blood leaves what organ through a vein?
Options:
A. liver
B. pancreas
C. heart
D. kidney
Answer: | D |
null | Question: What landform occurs most often along plate boundaries?
Options:
A. geysers
B. volcanoes
C. sinkholes
D. dunes
Answer: | B |
null | Question: Which is the dominant stage of the lifecycle of a fern?
Options:
A. gametophyte
B. larvae
C. sporophyte
D. zygote
Answer: | C |
null | Question: Tropical rainforest, chaparral, and taiga are what kind of biomes?
Options:
A. terrestrial
B. freshwater
C. arboreal
D. endangered
Answer: | A |
null | Question: What were the first forms of life on earth?
Options:
A. aniryotes
B. prokaryotes
C. protists
D. eukaryotes
Answer: | B |
null | Question: What is the name of vesicles that are formed by the golgi apparatus?
Options:
A. capillaries
B. lymphocytes
C. lysosomes
D. vessels
Answer: | C |
null | Question: Deletions remove one or more what from the dna?
Options:
A. codons
B. exons
C. genes
D. nucleotides
Answer: | D |
null | Question: An individual grows quickly and develops new abilities during infancy and?
Options:
A. childhood
B. senior years
C. adulthood
D. embryonic stage
Answer: | A |
null | Question: The db gene encodes the which receptor?
Options:
A. leptin
B. opioid
C. estrogen
D. glucose
Answer: | A |
null | Question: What impact does photosynthesis have on the direction of electron flow?
Options:
A. reverses it
B. repeats it
C. cools it
D. cycles it
Answer: | A |
null | Question: A channel protein is an example of what type of protein?
Options:
A. hemoglobin protein
B. component proteins
C. transport proteins
D. choice proteins
Answer: | C |
null | Question: The ideal gas law is used like any other gas law, with attention paid to the unit and making sure that temperature is expressed in kelvin. however, the ideal gas law does not require a change in the conditions of a gas sample. the ideal gas law implies that if you know any three of the physical properties of a gas, you can calculate this?
Options:
A. unrelated
B. fourth
C. second
D. third
Answer: | B |
null | Question: Pulmonary and systemic circulation loops are part of what organ system?
Options:
A. nervous
B. circulatory
C. lymphatic
D. cardiovascular
Answer: | D |
null | Question: What are the simplest organic compounds?
Options:
A. carbohydrates
B. hydrocarbons
C. proteins
D. enzymes
Answer: | B |
null | Question: When gasoline is burned, what pollutant is produced?
Options:
A. carbon dioxide
B. fluorocarbons
C. oxygen
D. methane
Answer: | A |
null | Question: What is the term for a disease in which the immune system makes an inflammatory response to a harmless antigen?
Options:
A. nausea
B. diabetes
C. influenza
D. allergy
Answer: | D |
null | Question: What type of blood vessels carry blood away from the heart?
Options:
A. Heart
B. tubes
C. Viens
D. arteries
Answer: | D |
null | Question: What do you call sound that has a wave frequency higher than the human ear can detect?
Options:
A. dynamic sound
B. supersonic sound
C. ultrasound
D. hypersonic sound
Answer: | C |
null | Question: What "kind" of water may take longer to become contaminated than surface water, while the natural cleaning process may take longer?
Options:
A. groundwater
B. dam water
C. lake water
D. spring water
Answer: | A |
null | Question: What drives puberty in male humans?
Options:
A. estrogen
B. bloodstream
C. testosterone
D. methane
Answer: | C |
null | Question: What is the term for the intentional release or spread of agents of disease?
Options:
A. plague
B. bioterrorism
C. pandemic
D. diversion
Answer: | B |
null | Question: What is a byproduct from the combustion of fossil fuels like coal and gasoline?
Options:
A. aluminum oxide
B. alcohol
C. carbon monoxide
D. nitrogen dioxide
Answer: | D |
null | Question: What is the study of chemical processes that occur in living things?
Options:
A. biochemistry
B. physiology
C. cardiology
D. phrenology
Answer: | A |
null | Question: Carrier proteins bind and carry the molecules across what cell structure?
Options:
A. nucleus
B. cell membrane
C. plastid
D. cell wall
Answer: | B |
null | Question: What is the rate at which energy is being transferred called?
Options:
A. power
B. force
C. electric
D. pressure
Answer: | A |
null | Question: Most gas molecules in the atmosphere are pulled close to earth’s surface by what force?
Options:
A. light
B. weight
C. traction
D. gravity
Answer: | D |
null | Question: Chemical and solar cells are devices that change chemical or light energy to what?
Options:
A. temperature energy
B. cellular
C. electrical energy
D. occurring energy
Answer: | C |
null | Question: One crystalline form of calcium carbonate is the mineral sold as what?
Options:
A. basalt
B. salt
C. quartz
D. calcite
Answer: | D |
null | Question: What term is also known as the contact activation pathway?
Options:
A. identical pathway
B. intrinsic pathway
C. central pathway
D. internal pathway
Answer: | B |
null | Question: Whan an alkene is aquired by an alkyl halide in an organic reaction, what kind of reaction is this?
Options:
A. migration
B. extinction
C. subtraction
D. elimination
Answer: | D |
null | Question: Pheromones enable what, which is vital for organisms like ants that live in a large community?
Options:
A. adaptation
B. asexual reproduction
C. migration
D. communication
Answer: | D |
null | Question: Cells in a biofilm secrete what to recruit nearby cells?
Options:
A. signaling neurons
B. harnessing molecules
C. signaling molecules
D. signaling proteins
Answer: | C |
null | Question: Hydrogen chloride contains one atom of hydrogen and one atom of what?
Options:
A. chlorine
B. magnesium
C. calcium
D. nitrogen
Answer: | A |
null | Question: What weakly scatters visible light?
Options:
A. air
B. Reflection
C. water
D. space
Answer: | A |
null | Question: What directs the amino acids to be introduced into the growing protein chain in the proper sequence?
Options:
A. rna template
B. gene template
C. organelle template
D. organism template
Answer: | A |
null | Question: A voltage source and a conductor are common to all what?
Options:
A. cooling circuits
B. electric circuits
C. thermometers
D. magnets
Answer: | B |
null | Question: What are the most diverse plants on earth?
Options:
A. gymnosperms
B. angiosperms
C. grasses
D. conifers
Answer: | B |
null | Question: Where does much of the blood that enters the atria flow?
Options:
A. muscles
B. lungs
C. arteries
D. ventricles
Answer: | D |
null | Question: What type of substance is any matter that has a fixed chemical composition and characteristic properties?
Options:
A. pure chemical substance
B. physical substance
C. seawater chemical substance
D. versatile chemical substance
Answer: | A |
null | Question: What is the smallest particle of an element that still has the properties of that element is called?
Options:
A. neutron
B. nucleus
C. proton
D. atom
Answer: | D |
null | Question: What type of fibrous joint is found between most bones of the skull?
Options:
A. lobiture
B. trecature
C. aperture
D. suture
Answer: | D |
null | Question: Where does a crossover occur on a chromosome?
Options:
A. at the same location
B. at one-two locations
C. at no locations
D. at different locations
Answer: | D |
null | Question: The structure of a neuron allows it to rapidly transmit nerve impulses to other what?
Options:
A. proteins
B. cells
C. limbs
D. muscles
Answer: | B |
null | Question: Seismic waves show that the inner core of the earth is solid while the outer core is what?
Options:
A. lava
B. gas
C. silicon
D. liquid
Answer: | D |
null | Question: What is the term used to describe the liquid that moves through the vessels and includes plasma and the cells and sell fragments called platelets?
Options:
A. blood
B. bacteria
C. water
D. pus
Answer: | A |
null | Question: What organs secrete hormones that help maintain homeostasis?
Options:
A. the gonads
B. the kidneys
C. the digestion organs
D. the lungs
Answer: | B |
null | Question: What plays a variety of important roles in biochemical systems?
Options:
A. protein
B. mutation
C. bacteria
D. reactants
Answer: | A |
null | Question: What is the ultimate source of energy for all life on earth?
Options:
A. the moon
B. its core
C. the sun
D. Mars
Answer: | C |
null | Question: What cells do lymphocytes originate from in the bone marrow?
Options:
A. kahp cells
B. brain cells
C. calcium cells
D. stem cells
Answer: | D |
null | Question: What is defined as a loss of hydrogen atoms?
Options:
A. Reduction
B. oxidation
C. evaporation
D. conduction
Answer: | B |
null | Question: Which two basic parts of a plant develop tough outer coatings to protect the plant from the environment?
Options:
A. leaves and stems
B. bark and stems
C. roots and leaves
D. stems and stalks
Answer: | A |
null | Question: When blood engorged capillaries leak fluid into neighboring tissues, what occurs?
Options:
A. bleeding
B. infection
C. seeping
D. swelling
Answer: | D |
null | Question: What is the most abundant element in the universe?
Options:
A. hydrogen
B. carbon
C. nitrogen
D. helium
Answer: | A |
null | Question: What bonding is formed in polar amino acid side chains?
Options:
A. carbon bonding
B. calcium bonding
C. hydrogen bonding
D. helium bonding
Answer: | C |
null | Question: What is the net force when two forces act in the same direction?
Options:
A. number of the forces
B. group of forces
C. arguing forces
D. sum of the forces
Answer: | D |
null | Question: What does viscosity do to liquids?
Options:
A. condusive to flowing
B. resistant to flowing
C. salinity to flowing
D. responsive to flowing
Answer: | B |
null | Question: Each group of organisms went through its own evolutionary journey, called what?
Options:
A. anomalous
B. phylogeny
C. zoology
D. superfamily
Answer: | B |
null | Question: What type of wave is visible light?
Options:
A. static
B. electromagnetic
C. acoustic
D. radio
Answer: | B |
null | Question: An aquifer is an underground layer of rock that is saturated with what?
Options:
A. oil
B. groundwater
C. wastewater
D. ocean water
Answer: | B |
null | Question: What are organelles made of protein and ribosomal rna (rrna)?
Options:
A. ribosomes
B. chromosomes
C. carbons
D. electrons
Answer: | A |
null | Question: What blood protein carries oxygen from the lungs to cells throughout the body?
Options:
A. dopamine
B. platelets
C. hemoglobin
D. plasma
Answer: | C |
null | Question: What is a person who studies the frequency and distribution of disease within human populations and environments called?
Options:
A. biologist
B. anthropologist
C. epidemiologist
D. entymologist
Answer: | C |
null | Question: When it is winter in the northern hemisphere the southern hemisphere experiences which season?
Options:
A. autumn
B. winter
C. summer
D. spring
Answer: | C |
null | Question: Whose laws of motion are the foundation of dynamics?
Options:
A. einstein
B. newton
C. bell
D. aristotle
Answer: | B |
null | Question: With a diet of live animals such as birds, small mammals and fish, all crocodilians are considered what?
Options:
A. symbiotes
B. carnivores
C. predators
D. omnivores
Answer: | B |
null | Question: What is the special name given to the diffusion of water through the cell membrane?
Options:
A. electrolysis
B. hemostasis
C. passive transport
D. osmosis
Answer: | D |
null | Question: What lines the lungs and helps sweep mucus and pathogens out of the lungs?
Options:
A. alveoli
B. cilia
C. villi
D. actin
Answer: | B |
null | Question: If the experimental value is less than the accepted value, the error is what?
Options:
A. effective
B. negative
C. positive
D. caused
Answer: | B |
null | Question: What is the top layer of water farther from shore called?
Options:
A. Tidal Zone
B. semimetal zone
C. limnetic zone
D. Beach Zone
Answer: | C |
null | Question: Which part of the earth is made of the rigid, brittle, solid crust and uppermost mantle?
Options:
A. thermosphere
B. troposphere
C. lithosphere
D. atmosphere
Answer: | C |
null | Question: What is the name of a group of hereditary diseases that affect the body's ability to control blood clotting?
Options:
A. arithmya
B. hypertension
C. anemia
D. hemophilia
Answer: | D |
null | Question: Trees release what gas as a byproduct of photosynthesis, thereby facilitating human respiration?
Options:
A. nitrogen
B. carbon dioxide
C. oxygen
D. methane
Answer: | C |
null | Question: The rate of decay of carbon-14 does what over time?
Options:
A. remains stable
B. becomes unstable
C. increases
D. decreases
Answer: | A |
null | Question: What type of reactions are chemical reactions that release energy?
Options:
A. biochemical reactions
B. exothermic reactions
C. ozonic reactions
D. sulfuric reactions
Answer: | B |
null | Question: When two plates of continental crust collide, the material pushes upward and forms what?
Options:
A. valleys
B. low mountain range
C. high mountain range
D. fault lines
Answer: | C |
null | Question: What forms when there is a difference in temperature between the land and the air?
Options:
A. sandstorms
B. fog
C. smoke
D. tsunamis
Answer: | B |
null | Question: Chemical equations in which heat is shown as either a reactant or a product are called what?
Options:
A. hydroelectric equations
B. thermochemical equations
C. feedstock equations
D. thorium equations
Answer: | B |
null | Question: The superior nasal concha and middle nasal concha are parts of which bone?
Options:
A. ethmoid bone
B. gastrulation bone
C. nostril bone
D. nasal bone
Answer: | A |
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