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null | Question: Which layer is found below the lithosphere?
Options:
A. asthenosphere
B. troposphere
C. magnetosphere
D. stratosphere
Answer: | A |
null | Question: Mineralocorticoids are hormones synthesized by the adrenal cortex that affect what balance, by regulating sodium and water levels?
Options:
A. osmotic
B. equilibrium
C. blood pressure
D. homeostasis
Answer: | A |
null | Question: In our bodies, the chest cavity is a clear example of a system at what?
Options:
A. default
B. scale
C. rest
D. resonance
Answer: | D |
null | Question: What is the "a" horizon commonly known as?
Options:
A. core
B. sediment
C. topsoil
D. crust
Answer: | C |
null | Question: What feature of the spine helps with flexibility and strength?
Options:
A. curves
B. shape
C. angle
D. arrangement
Answer: | A |
null | Question: The presence of what, which acts as a trigger, affects the rate of chemical reaction?
Options:
A. heat
B. catalyst
C. friction
D. light
Answer: | B |
null | Question: Claw hammers and pulleys are examples of simple machines that do what to the direction of force applied by the user?
Options:
A. neutralize it
B. nothing
C. reverse it
D. maintain it
Answer: | C |
null | Question: What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer?
Options:
A. exercise
B. drinking
C. smoking
D. diet
Answer: | C |
null | Question: Hertz proved that what type of waves travel at the speed of light?
Options:
A. electromagnetic
B. tsunamis
C. seismic
D. sound
Answer: | A |
null | Question: Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this?
Options:
A. pharynx
B. larynx
C. esophagus
D. trachea
Answer: | A |
null | Question: The mass of atoms is based on the number of protons and neutrons in what?
Options:
A. molecules
B. components
C. electrons
D. nucleus
Answer: | D |
null | Question: What is the leading cause of lung cancer?
Options:
A. tuberculosis
B. tobacco smoke
C. chewing tobacco
D. heredity
Answer: | B |
null | Question: What is the general name for saturated hydrocarbons?
Options:
A. halides
B. alkanes
C. enzymes
D. petrolatums
Answer: | B |
null | Question: In many polychaetes, the parapodia are richly supplied with blood vessels and also function as what?
Options:
A. tails
B. pores
C. gills
D. scales
Answer: | C |
null | Question: What is considered the smallest unit of life?
Options:
A. proteins
B. particle
C. molecule
D. cell
Answer: | D |
null | Question: Some earthworms can also reproduce asexually by fragmentation followed by what?
Options:
A. regeneration
B. digestion
C. germination
D. fertilization
Answer: | A |
null | Question: All photosynthetic organisms contain a pigment called what?
Options:
A. sodium
B. carbonate
C. chlorophyll
D. Fiber
Answer: | C |
null | Question: Each atom has a required number of what?
Options:
A. acceleration bonds
B. covalent bonds
C. accretion bonds
D. matrix bonds
Answer: | B |
null | Question: What are nekton animals able to do in water?
Options:
A. lay eggs
B. move on their own, swim
C. reproduce
D. breath
Answer: | B |
null | Question: Which are the closest living relations to land plants?
Options:
A. arthropods
B. sporozoans
C. charophytes
D. mammals
Answer: | C |
null | Question: What is the term for disease-causing agents, such as bacteria and viruses?
Options:
A. parasites
B. pathogens
C. spores
D. vaccines
Answer: | B |
null | Question: What mineral that occurs in bones helps combat osteoporosis?
Options:
A. potassium
B. iron
C. calcium
D. magnesium
Answer: | C |
null | Question: Which bonds are the strongest of the intermolecular forces?
Options:
A. calcium
B. hydrogen
C. carbon
D. complex
Answer: | B |
null | Question: Which type of galaxies contain very little gas and dust, are red to yellow in color, contain over a trillion stars and have mostly old stars?
Options:
A. blue elliptical galaxies
B. giant gaseous galaxies
C. giant orbital galaxies
D. giant elliptical galaxies
Answer: | D |
null | Question: How many pi bonds are found in a triple bond?
Options:
A. six
B. two
C. 10
D. four
Answer: | B |
null | Question: What two types of juices help digestion within the small intestine?
Options:
A. intestinal and pancreatic
B. amniotic fluid, bile
C. chyme and phloem
D. bile and lymph
Answer: | A |
null | Question: The main functions of what complex carbohydrates are to store energy and form structural tissues?
Options:
A. polypeptides
B. monosaccharides
C. polysaccharides
D. oligosaccharides
Answer: | C |
null | Question: What type of energy is produced when two objects move together?
Options:
A. kinetic
B. fluid
C. mechanical
D. internal
Answer: | C |
null | Question: Oxygenated air, taken in during inhalation, diffuses across the surface of the lungs into the what?
Options:
A. bloodstream
B. liver
C. brain
D. proteins
Answer: | A |
null | Question: What occurs when two waves combine and cancel each other out?
Options:
A. primitive interference
B. destructive interference
C. molecular interference
D. terrible interference
Answer: | B |
null | Question: In which way to vertebrates reproduces?
Options:
A. anally
B. sexually
C. biologically
D. asexually
Answer: | B |
null | Question: The muscles of the anterior compartment of the lower leg are generally responsible for dorsiflexion, and the muscles of the posterior compartment of the lower leg are generally responsible for this?
Options:
A. ganglion flexion
B. posterior flexion
C. plantar flexion
D. walking flexion
Answer: | C |
null | Question: Crevasses are found in glaciers. how do these come about?
Options:
A. from movement
B. god
C. rigidity
D. man made
Answer: | A |
null | Question: In which period of the periodic table is nickel found?
Options:
A. Third Period
B. Second Period
C. First Period
D. fourth period
Answer: | D |
null | Question: Where does the process of assembling amino acids into a protein take place?
Options:
A. in chromosomes
B. in the nucleus
C. in the chitin
D. in the ribosome
Answer: | D |
null | Question: Where does most of the mass for an atom reside?
Options:
A. neutrons
B. protons
C. nucleus
D. electrons
Answer: | C |
null | Question: In eukaryotes, oxidative phosphorylation takes place in what?
Options:
A. lipids
B. glucose
C. mitochondria
D. nucleus
Answer: | C |
null | Question: What sac, which was sitting on top of the flat embryo, envelops the embryo as it folds?
Options:
A. amniotic sac
B. epithelial sac
C. uterus
D. umbilical sac
Answer: | A |
null | Question: Uranium is an important part of the process used to harness which type of power?
Options:
A. wind
B. nuclear
C. solar
D. gravitational
Answer: | B |
null | Question: All of the stages that a cell goes through make up what?
Options:
A. photosynthesis
B. the cell cycle
C. cytokineses
D. glycolysis
Answer: | B |
null | Question: Physical features on the earth's surface are known as ______
Options:
A. atmospheres
B. diversity
C. biospheres
D. landforms
Answer: | D |
null | Question: Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable?
Options:
A. temporary
B. fleeting
C. constant
D. mechanical
Answer: | C |
null | Question: Which molecules in the body holds energy?
Options:
A. lipid molecules
B. glucose molecules
C. mitochondria molecules
D. water molecules
Answer: | B |
null | Question: Because optics fibers are thin, entering light may strike the inside surface at greater than the critical angle, requiring attention to what?
Options:
A. wavelength
B. refractive index
C. electromagnetic index
D. reflective point
Answer: | B |
null | Question: We would genetically be all the same if genes did not have different what?
Options:
A. bases
B. alleles
C. antigens
D. atoms
Answer: | B |
null | Question: Engaging in relatively simple behaviors helps maintain a nearly constant body temperature for organisms classified as what?
Options:
A. endotherms
B. placoderms
C. photophores
D. ectotherms
Answer: | D |
null | Question: What term is used to describe a solute that is water fearing?
Options:
A. anti-hydral
B. hydrophobic
C. claustrophobic
D. hydrogenic
Answer: | B |
null | Question: What defines the behavior of a compound?
Options:
A. area of atoms
B. location of atoms
C. size of atoms
D. group of atoms
Answer: | D |
null | Question: What is the earths crust composed of?
Options:
A. sedimentary rock
B. metamorphic rock
C. bicellular rock
D. igneuos rock
Answer: | D |
null | Question: The cytoplasm is all the contents of the cell inside the cell membrane, with the exception of what?
Options:
A. lysosome
B. vacuole
C. molecules
D. nucleus
Answer: | D |
null | Question: What do barnacles anchor to?
Options:
A. rocks
B. eggs
C. scales
D. fossils
Answer: | A |
null | Question: What protects the scalp from ultraviolet light exposure and loss of body heat?
Options:
A. receding hair
B. head hair
C. temporal hair
D. ground hair
Answer: | B |
null | Question: What's the term for the gradual progression from simple plants to larger more complex ones in an area?
Options:
A. primary succession
B. primary pattern
C. pattern progression
D. complex progression
Answer: | A |
null | Question: Patients with familial hypercholesterolemia have life-threatening levels of cholesterol because their cells cannot clear what particles from their blood?
Options:
A. oxygen (O)
B. high - density lipoprotein (hdl)
C. iron (Fe)
D. low-density lipoprotein (ldl)
Answer: | D |
null | Question: Phospholipids are unable to mix with what?
Options:
A. water
B. nitrogen
C. air
D. solids
Answer: | A |
null | Question: What is it called when an egg develops into an individual without being fertilized?
Options:
A. symbiosis
B. parthenogenesis
C. abiogenesis
D. metamorphosis
Answer: | B |
null | Question: Cow manure can have a second life as a source of what gas?
Options:
A. methane
B. hydrogen
C. freon
D. ethanol
Answer: | A |
null | Question: When a series of measurements is precise but not what, the error is usually systematic?
Options:
A. accurate
B. velocity
C. length
D. color
Answer: | A |
null | Question: What type of power is generated by splitting uranium atoms?
Options:
A. wind power
B. solar power
C. fossil fuel power
D. nuclear power
Answer: | D |
null | Question: What is lava called before it reaches the surface of the earth?
Options:
A. rock
B. pyrite
C. magma
D. crust
Answer: | C |
null | Question: The waste of cows releases a lot of which type of gas?
Options:
A. carbon dioxide
B. methane
C. sulphur
D. oxygen
Answer: | B |
null | Question: The majority of solids are what in nature?
Options:
A. complex
B. crystalline
C. gases
D. liquids
Answer: | B |
null | Question: What three forces are involved in erosion?
Options:
A. water, temperature, altitude
B. heat, pressure, gravity
C. radiation, gravity, precipitation
D. water, wind, gravity
Answer: | D |
null | Question: What class of organisms help decompose matter to release nutrients and make nutritious food for other organisms ?
Options:
A. yeast
B. fungi
C. coral
D. bacteria
Answer: | B |
null | Question: What is the name for a material that prevents the transfer of heat energy?
Options:
A. physical insulator
B. structure insulator
C. thermal insulator
D. thermal condenser
Answer: | C |
null | Question: What type of minerals form when salt water evaporates?
Options:
A. halide
B. sulfide
C. carbonate
D. fermite
Answer: | A |
null | Question: Alpha particles, beta particles, and gamma particles are major types of what?
Options:
A. sound waves
B. visible light
C. radioactivity
D. microscopy
Answer: | C |
null | Question: The zoospores develop into haploid, multicellular male and female gametophytes, which produce?
Options:
A. spores
B. toxins
C. microorganisms
D. gametes
Answer: | D |
null | Question: Extrusive igneous rocks are also called what?
Options:
A. agates
B. magma minerals
C. volcanic rocks
D. metamorphic
Answer: | C |
null | Question: Respiratory therapists or respiratory practitioners evaluate and treat patients diseases affecting what part of the body?
Options:
A. byproduct , heart , and blood vessels
B. lung, heart, and blood vessels
C. brain, stomach, heart
D. heart, lungs, stomach
Answer: | B |
null | Question: Where do angiosperms produce seeds in flowers?
Options:
A. germs
B. cones
C. ovaries
D. testes
Answer: | C |
null | Question: What kind of mixture consists of two or more phases, exemplified when a combination of oil and water forms layers?
Options:
A. homogeneous
B. simple mixture
C. complex miture
D. heterogeneous
Answer: | D |
null | Question: What is the name of the muscle at the end of the esophagus?
Options:
A. throat
B. neck
C. sphincter
D. intestine
Answer: | C |
null | Question: The bird ancestor that lived in trees developed what feature commonly associated with birds?
Options:
A. webbed feet
B. beaks
C. wings
D. tails
Answer: | C |
null | Question: Reduction often involves the gain of hydrogen, the loss of oxygen, or the gain of what?
Options:
A. protons
B. neutrons
C. electrons
D. mass
Answer: | C |
null | Question: What is a stream of moving water that flows through the ocean?
Options:
A. waterfall
B. tidal wave
C. creek
D. current
Answer: | D |
null | Question: Lampreys possess a large round sucker, lined with teeth, that surrounds the mouth and is used to feed on what?
Options:
A. blood
B. marrow
C. parasites
D. herbivores
Answer: | A |
null | Question: What are used to indicate the number of atoms of an element that are in the compound?
Options:
A. digits
B. prefixes
C. suffixes
D. indices
Answer: | B |
null | Question: A high metabolic rate and hair are ways mammals generate and conserve what?
Options:
A. heat
B. energy
C. resources
D. water
Answer: | A |
null | Question: The voltage is measured using a voltmeter, which measures which difference across two points?
Options:
A. potential difference
B. Distance
C. actual difference
D. average difference
Answer: | A |
null | Question: Smaller sized galaxies are known as what?
Options:
A. nebula
B. constellations
C. black holes
D. dwarf galaxies
Answer: | D |
null | Question: A monosaccharide is the simplest carbohydrate and cannot be hydrolyzed to produce a smaller what?
Options:
A. amino acid
B. glucose atom
C. quark
D. carbohydrate molecule
Answer: | D |
null | Question: Referring to low what, hypovolemia may be caused by bleeding, dehydration, vomiting, severe burns, or some medications used to treat hypertension?
Options:
A. blood volume
B. heart volume
C. brain volume
D. Secretion Volume
Answer: | A |
null | Question: What is a soft, gray, nontoxic alkaline earth metal?
Options:
A. magnesium
B. potassium
C. pewter
D. calcium
Answer: | D |
null | Question: What is the term for the smallest blood vessels?
Options:
A. capillaries
B. Aortas
C. muscles
D. arteries
Answer: | A |
null | Question: What thin whip-like structures help prokaryotes move toward food or away from toxins?
Options:
A. sporangia
B. cilia
C. flagella
D. antennae
Answer: | C |
null | Question: What two activities are especially important when a number of local populations are linked, forming a metapopulation?
Options:
A. flow and emigration
B. immigration and emigration
C. immigration and family reunions
D. family reunions and emigration
Answer: | B |
null | Question: The number of neutrons and electrons may vary or change in an atom. what happens to the number of protons?
Options:
A. remains the same
B. depends
C. increases
D. decreases
Answer: | A |
null | Question: The feeding positions in a food chain or web are called?
Options:
A. producer levels
B. consumer levels
C. trophic levels
D. secondary levels
Answer: | C |
null | Question: What are solid-solid solutions like brass and bronze called?
Options:
A. amalgams
B. alloys
C. mixtures
D. oxides
Answer: | B |
null | Question: What are biochemical compounds that living things use to store energy and make cell membranes?
Options:
A. proteins
B. nucleic acid
C. carbohydrates
D. lipids
Answer: | D |
null | Question: Proteins are polymers of what kind of acids?
Options:
A. amino
B. lactic
C. lipids
D. acetic
Answer: | A |
null | Question: The vertebrate endoskeleton includes a vertebral column, cranium, limbs, and what else?
Options:
A. tissue girdles
B. limb girdles
C. blood girdles
D. Skin Girdles
Answer: | B |
null | Question: Saturated hydrocarbons get their name because they are saturated with what atoms?
Options:
A. helium
B. nitrogen
C. hydrogen
D. oxygen
Answer: | C |
null | Question: What term is used to descibe the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration?
Options:
A. convection
B. diffusion
C. permeation
D. radiation
Answer: | B |
null | Question: In the body, in which organ does chemical digestion mainly take place?
Options:
A. small intestine
B. large intestine
C. liver
D. kidneys
Answer: | A |
null | Question: What is a renewable resource that can take thousand of years to form?
Options:
A. wind
B. sunlight
C. soil
D. water
Answer: | C |
null | Question: Another measure of the effectiveness of a machine is its what?
Options:
A. chemical advantage
B. aesthetic effect
C. mechanical advantage
D. cost benefit
Answer: | C |
null | Question: What equals the output power divided by the input power?
Options:
A. potential
B. inertia
C. output
D. efficiency
Answer: | D |
null | Question: An inclined plane is a good example of what kind of machine?
Options:
A. strong
B. complex
C. simple
D. weak
Answer: | C |
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