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Question: What is the term for the method of sending out ultrasound waves to determine the locations of objects? Options: A. magnetism B. morphology C. catabolism D. echolocation Answer:

D

Question: Where does most of our food come from? Options: A. microbes B. angiosperms C. lichen D. gymnosperms Answer:

B

Question: A collapsing nebula leads to what process? Options: A. nuclear fusion B. nuclear reaction C. chemical reaction D. destructive fusion Answer:

A

Question: What occur because solid lithosphere travels on a round planet? Options: A. ejecta earthquakes B. aeration earthquakes C. intraplate earthquakes D. volcanos Answer:

C

Question: What system makes sure leaked blood returns back to the bloodstream? Options: A. cerebral B. symptomatic C. lymphatic D. somatic Answer:

C

Question: What is the type of volcano with a tall cone shape that you picture when picturing a volcano? Options: A. inactive B. composite C. active D. advanced Answer:

B

Question: What types of energy is released during a chemical reaction? Options: A. temperature , electricity , light B. heat, electricity, light C. magnetism, electricity, light D. human, magnetic, electrical Answer:

B

Question: The roughness of interacting surfaces and the magnitude of force pushing one object onto another are two factors related to what force? Options: A. temperature B. energy C. friction D. tension Answer:

C

Question: What is the common term for single-celled fungi? Options: A. sponges B. mushrooms C. yeasts D. prokaryotes Answer:

C

Question: Geologists found that the youngest rocks on the seafloor were where? Options: A. early - ocean ridges B. mid - ocean ridges C. seabed floor D. late - ocean ridges Answer:

B

Question: Myopia and hyperopia are defects that can be corrected with devices? Options: A. fins B. lenses C. crutches D. casts Answer:

B

Question: Oncogenesis is one name for the process where normal cells turn into what? Options: A. brain cells B. cancer cells C. lung cells D. blood cells Answer:

B

Question: What is the main sex hormone in males called? Options: A. caffeine B. methane C. estrogen D. testosterone Answer:

D

Question: What is the study of macroscopic properties, atomic properties, and phenomena in chemical systems? Options: A. thermal chemistry B. physical chemistry C. differential chemistry D. molecular chemistry Answer:

B

Question: Hazardous waste is material that is toxic, chemically active, corrosive, or what? Options: A. organic B. inactive C. flammable D. decomposed Answer:

C

Question: If no conclusion is reached after an experiment, the scientist may retest what? Options: A. conclusion B. materials C. hypothesis D. suggestions Answer:

C

Question: Biotechnology is the use of biological agents for technological advancement. what two areas are the primary applications of this technology used? Options: A. medicine and agriculture B. medicine and architecture C. medicine and psychology D. medicine and philosophy Answer:

A

Question: Capillaries in the chorionic villi filter fetal wastes out of the blood and return clean, oxygenated blood to the fetus through what? Options: A. umbilical vein B. separates vein C. skin vein D. Back Vein Answer:

A

Question: What is the second stage of photosynthesis? Options: A. glucose destruction B. production of protein C. production of glucose D. pigment release Answer:

C

Question: Similar to the coil on a stove, changes in what reflect an increase in the temperature of a star? Options: A. color B. rotation C. direction D. texture Answer:

A

Question: What causes halide minerals to form? Options: A. salt water ionization B. fresh water ionization C. salt water accumulation D. salt water evaporation Answer:

D

Question: The tendency of an object to resist a change in its motion is called what? Options: A. inertia B. stabilization C. kenetic force D. isolation Answer:

A

Question: What is produced when sulfur and oxygen combine? Options: A. ethanol oxides B. sulfur oxides C. Solid oxides D. treatment oxides Answer:

B

Question: Both the forward reaction and the reverse reaction continue to occur, so chemical equilibrium is said to be what, rather than static? Options: A. abrasive B. stable C. dynamic D. fluid Answer:

C

Question: What is the term for the difference in elevation between two contour lines? Options: A. height B. mapping interval C. design interval D. contour interval Answer:

D

Question: What are the long, thin structures that protrude from the cell membrane and help single-celled organisms move or swim towards food? Options: A. microvilli B. tentacles C. sporangia D. flagella Answer:

D

Question: What are the closest relatives to modern angiosperms? Options: A. sporozoans B. staurikosaurus C. mitochondria D. gnetophytes Answer:

D

Question: What part of the earth does a compass needle align with? Options: A. magnetic field B. molecular field C. geospatial field D. gravitational field Answer:

A

Question: What planet did the voyager 1 spacecraft visit in 1980? Options: A. mars B. jupiter C. saturn D. venus Answer:

C

Question: Why is it necessary to maintain proper levels of cations in intercellular fluids? Options: A. cell division B. keep cells healthy C. for digestion D. reverse homeostasis Answer:

B

Question: What are the "levels" in a food chain or web called? Options: A. gauges B. parts C. root D. trophic Answer:

D

Question: What is another common term for single-unit smooth muscle? Options: A. abnormal muscle B. visceral muscle C. lateral muscle D. energies muscle Answer:

B

Question: Chemical reactions follow the laws of what? Options: A. Newton B. photosynthesis C. quantum physics D. thermodynamics Answer:

D

Question: The regions of a material where the north and south poles of atoms are aligned are called what? Options: A. magnetic domains B. magnetic rays C. cores D. observed domains Answer:

A

Question: What type of field does earth have? Options: A. atmospheric B. force field C. seismic D. magnetic Answer:

D

Question: Autocrine signaling takes place within the same what? Options: A. proteins B. cell C. tissue type D. organ Answer:

B

Question: Echinoderms lack what type of system that in humans consists of the brain and spinal cord? Options: A. peripheral nervous system B. autonomic system C. endocrine system D. centralized nervous system Answer:

D

Question: Respectively, which parts of the circulatory system carry blood from the heart toward capillaries, and return blood to the heart from capillaries? Options: A. arteries and capillaries B. arteries and veins C. parasites and veins D. organs and veins Answer:

B

Question: Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type? Options: A. needles B. molds C. tubes D. stems Answer:

A

Question: What is it called when two waves combine to create a larger wave? Options: A. wave propagation B. Destructive Interference C. constructive interference D. consistent interference Answer:

C

Question: What type of compounds can form crystals? Options: A. ionic compounds B. magnetic compounds C. integral compounds D. molecular compounds Answer:

A

Question: How many electrons are in the hydrogen atom? Options: A. five B. three C. two D. one Answer:

D

Question: What do we call the major artery carrying recently oxygenated blood away from the heart? Options: A. capillary B. aorta C. arteriole D. muscular artery Answer:

B

Question: Most autotrophs make their "food" through which process, using the energy of the sun? Options: A. oculitis B. glycolysis C. photosynthesis D. atherosclerosis Answer:

C

Question: Which kingdom are mosses and trees included in? Options: A. fungus B. protista C. plant D. gymnosperm Answer:

C

Question: What is the opposite of nuclear fusion? Options: A. Solar Power B. might fission C. nuclear fission D. energy fission Answer:

C

Question: Space telescopes avoid such problems completely since they orbit outside the what? Options: A. atmosphere B. ozone layer C. earth's crust D. galaxy Answer:

A

Question: "endocrine" and "exocrine" are two types of what? Options: A. glands B. cells C. organs D. fluids Answer:

A

Question: Vaccination is the process of exposing a person to pathogens on purpose so the person will develop what? Options: A. immunity B. allergy C. autonomy D. sensitivity Answer:

A

Question: When a plant has what deficiency, guard cells may lose turgor and close stomata? Options: A. air B. cold C. water D. light Answer:

C

Question: The layers of the atmosphere correspond with what changes with altitude? Options: A. nitrogen B. friction C. oxygen D. temperature Answer:

D

Question: What theory explains most of the features of earth’s surface? Options: A. flat earth theory B. plate tectonics C. Big Bang theory D. string theory Answer:

B

Question: Impenetrable what underlies the soil of the forest? Options: A. topsoil B. bedrock C. structure D. groundwater Answer:

B

Question: Occuring throughout the lifespan of the organism, what stages proceed in a certain order? Options: A. life cycle stages B. life effectiveness stages C. genetic stages D. yearly stages Answer:

A

Question: Like mammals, birds have kidneys with juxtamedullary nephrons that specialize in conserving what? Options: A. blood B. air C. water D. food Answer:

C

Question: Dialysis is a treatment for failure of what organs? Options: A. lungs B. liver C. spleen D. kidneys Answer:

D

Question: What is the name of the process that changes some chemical substances into others? Options: A. mixture B. acid reaction C. hypodermic reaction D. chemical reaction Answer:

D

Question: Radiotherapy is effective against cancer because cancer cells reproduce rapidly and, consequently, are more sensitive to this? Options: A. separation B. destruction C. radiation D. UV light Answer:

C

Question: What is the most common pattern of dispersion? Options: A. random B. uniform C. sporadic D. clumped Answer:

D

Question: Touching, coughing, or sneezing are examples of directly spreading what microorganisms, which cause diseases like tetanus? Options: A. pollen B. bacteria C. viruses D. algae Answer:

B

Question: What type of change occurs when matter changes chemically into an entirely different substance with different chemical properties? Options: A. chemical B. material C. genetic D. physical Answer:

A

Question: What part of the cell is surrounded by a membrane and holds the genetic information for the cell? Options: A. lower B. nucleus C. upper D. cell wall Answer:

B

Question: What is the region in the center back of the eye that is responsible for acute vision? Options: A. lens B. pupil C. cornea D. fovea Answer:

D

Question: There are several types of wetlands including marshes, swamps, bogs, mudflats, and salt marshes. the three shared characteristics among these types—what makes them wetlands—are their hydrology, hydrophytic vegetation, and this? Options: A. stibnite soils B. sandy soils C. niya soils D. hydric soils Answer:

D

Question: What is beyond the atmosphere? Options: A. object B. space C. air D. vacuum Answer:

B

Question: What are the sharp projections that specialized cells grow called? Options: A. antlers B. cilia C. ossicles D. spicules Answer:

D

Question: Frogs are amphibians that live part of the time in fresh water and rest of the time where? Options: A. in salt water B. underground C. on land D. in stagnant water Answer:

C

Question: Thrombocytes are more commonly known by what name? Options: A. droplets B. chromosomes C. platelets D. molecules Answer:

C

Question: Most air pollutants can be traced to what source ? Options: A. ozone leaks B. fossil fuels C. methane D. chemical pollution Answer:

B

Question: In the chest, the trachea divides as it enters the lungs to form the right and left what? Options: A. bronchi B. ventricle C. alveoli D. atrium Answer:

A

Question: Within a particular habitat, what can be characterized by its size or density? Options: A. total B. percent C. population D. group Answer:

C

Question: What two-word term refers to the number of different species in the community? Options: A. bacteria richness B. face-richness C. group-richness D. species richness Answer:

D

Question: What kind of a relationship do plants and soil have? Options: A. dimorphic relationship B. two-way relationship C. one-way relationship D. contentious relationship Answer:

B

Question: The heterotroph eats only or mainly what? Options: A. roots B. animals C. decomposers D. plants Answer:

D

Question: What is the molecular formula of carbon dioxide? Options: A. co 2 B. cl2 C. h2o D. c2o Answer:

A

Question: What term describes the orientation of a body lying face-down? Options: A. prone B. Supine C. Diagnal D. Under Answer:

A

Question: What branch of science is based on the modern atomic theory, which states that all matter is composed of atoms? Options: A. chemistry B. physics C. biology D. psychology Answer:

A

Question: Acidity is measured by what physical property? Options: A. ps B. kω C. ph D. amp Answer:

C

Question: Knees and elbows are examples of what part of the skeletal system? Options: A. muscles B. cartilage C. joints D. nerves Answer:

C

Question: What is a group of organs that work together to do the same job? Options: A. an organ battery B. an organ colony C. an organ assembly D. an organ system Answer:

D

Question: Prokaryotic cells grow to a certain size and then they divide by which process? Options: A. budding B. binary fusion C. binary fission D. linear fission Answer:

C

Question: What objects are made from highly reflective metal that is applied to a curved or flat piece of glass? Options: A. mirrors B. vases C. frames D. machines Answer:

A

Question: What do plants make to store extra glucose? Options: A. starches B. water C. fats D. sugars Answer:

A

Question: What type of switch automatically opens a circuit if too much current flows through it? Options: A. kill switch B. toggle switch C. circuit breaker D. regulator switch Answer:

C

Question: Rain, snow, sleet, and hail are all examples of what? Options: A. precipitation B. erosion C. temperature D. liquids Answer:

A

Question: What celestial body in the solar system makes up most of its total mass? Options: A. Jupiter B. sun C. Andromeda D. earth Answer:

B

Question: Which state of matter has the lowest density? Options: A. fluids B. gases C. liquids D. solids Answer:

B

Question: What structure is an organelle that contains enzymes that break down and digest unneeded cellular components? Options: A. centrosome B. tissue C. lysosome D. peroxisome Answer:

C

Question: What do structures of the human eye collect and focus? Options: A. light B. air C. electricity D. sugars Answer:

A

Question: Darwin coined what term to refer to an organism’s relative ability to survive and produce fertile offspring? Options: A. metabolism B. strength C. momentum D. fitness Answer:

D

Question: What is the name given to the daily wake/sleep cycle? Options: A. circadian rhythms B. variable rhythms C. behavioral rhythms D. nocturnal rhythms Answer:

A

Question: What is the term for a disturbance in matter that causes the transfer of energy from place to place? Options: A. temperature wave B. flooding wave C. mechanical wave D. nucleation Answer:

C

Question: The name silicon is derived from the latin word for flint? Options: A. pelea B. simple C. silex D. silk Answer:

C

Question: What term means that only molecules or ions of a certain size, shape, polarity or charge are capable of passing through the material? Options: A. classic permeation B. selective permeation C. induced permeation D. radiation permeation Answer:

B

Question: Cell transport refers to the movement of substances across what structure? Options: A. cell membrane B. phloem C. cell wall D. chloroplasm Answer:

A

Question: The carrying angle is larger in females to accommodate their what? Options: A. cranium B. wider pelvis C. broader shoulders D. narrower pelvis Answer:

B

Question: What are electrons at the outermost energy level of an atom are called? Options: A. shell electrons B. core electrons C. ions D. valence electrons Answer:

D

Question: The infection-fighting complement system consists of roughly 30 proteins in? Options: A. stomach acid B. fats C. blood plasma D. stool Answer:

C

Question: What must happen for two ions to form an ionic bond? Options: A. Two ions need to be the same size B. two ions need to have neutral charges C. two ions need to have opposite charges D. two ions need to have the same charge Answer:

C

Question: Van der waals forces are weak interactions between molecules that involve what? Options: A. photons B. atoms C. dipoles D. particles Answer:

C