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|---|---|---|
null | Question: The procedure known as angioplasty is used when what part of the circulatory system is clogged?
Options:
A. the heart
B. blood vessel
C. the spinal cord
D. lungs
Answer: | B |
null | Question: The ostwald process is the commercial method for producing what?
Options:
A. chlorine
B. nitric acid
C. deoxyribonucleic acid
D. citric acid
Answer: | B |
null | Question: What are the small molecules or proteins produced by bacteria that regulate gene expression?
Options:
A. fluxes
B. sporozoans
C. autoinducers
D. protazoas
Answer: | C |
null | Question: What type of rock makes up most of the earth?
Options:
A. tuberous
B. Metamorphic
C. Sedimentary
D. igneous
Answer: | D |
null | Question: Most of the pathogens that cause stis enter the body through mucous membranes of which organs?
Options:
A. reproductive organs
B. eyes
C. stomach
D. kidneys
Answer: | A |
null | Question: The shield type of what phenomenon commonly forms above hotspots in the oceans?
Options:
A. tornado
B. hurricane
C. volcano
D. tsunami
Answer: | C |
null | Question: What is the part of the flower that produces pollen?
Options:
A. stigma
B. stamen
C. leaves
D. cones
Answer: | B |
null | Question: What element is responsible for one-half of the osmotic pressure gradient that exists between the interior of cells and their surrounding environment?
Options:
A. calcium
B. potassium
C. nitrogen
D. sodium
Answer: | D |
null | Question: What are carbonated beverages pressurized with?
Options:
A. dioxide
B. co2
C. helium
D. hydrogen
Answer: | B |
null | Question: What season do the largest waves for surfers typically come?
Options:
A. winter
B. spring
C. summer
D. autumn
Answer: | A |
null | Question: Which gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland?
Options:
A. pituitary
B. adrenal
C. thyroid
D. stomach
Answer: | C |
null | Question: Humans have an estimated 20,000 to 22,000 of what units of heredity?
Options:
A. eggs
B. cells
C. chromosomes
D. genes
Answer: | D |
null | Question: Because microorganisms can go through several generations in a matter of hours, their gene expression profiles adapt to the new laboratory environment very quickly. in addition, the vast majority of bacterial species resist being cultured in this?
Options:
A. water
B. isolation
C. substrate
D. colonies
Answer: | B |
null | Question: The amount of water vapor in the air and the temperature of the medium affects how fast what travels?
Options:
A. colour
B. sound
C. traffic
D. light
Answer: | B |
null | Question: He mass spectrometer measures the percent abundance of different what?
Options:
A. reactions
B. organisms
C. isotopes
D. Proteins
Answer: | C |
null | Question: Gas exchange during respiration occurs primarily through what?
Options:
A. vaporization
B. activation
C. diffusion
D. secretion
Answer: | C |
null | Question: What is released from the body during ejaculation?
Options:
A. blood
B. saliva
C. urine
D. sperm
Answer: | D |
null | Question: What is the process of larva becoming an adult called?
Options:
A. synthesis
B. parthenogenesis
C. metamorphosis
D. evolution
Answer: | C |
null | Question: What are invertebrate chordates that retain all four defining chordate traits as adults called?
Options:
A. vertebrates
B. tunicates
C. lancelets
D. sporozoans
Answer: | C |
null | Question: What is the loss of energy available to do work called?
Options:
A. negentropy
B. entropy
C. power
D. force
Answer: | B |
null | Question: Humans use many compounds that were first discovered or derived from living organisms as medicines: secondary plant compounds, animal toxins, and antibiotics produced by these?
Options:
A. tumors and fungi
B. molecules and fungi
C. bacteria and fungi
D. bacteria and tumors
Answer: | C |
null | Question: Deceleration is the opposite of what?
Options:
A. vibration
B. acceleration
C. stopping
D. stimulation
Answer: | B |
null | Question: What is the first digestive organ that food enters?
Options:
A. mouth
B. kidneys
C. intestine
D. digestive system
Answer: | A |
null | Question: The calvin cycle is the fancy name for the metabolic pathway that builds what?
Options:
A. carbohydrates
B. fats
C. sugar
D. proteins
Answer: | C |
null | Question: Each daughter cell represents one outcome of all possible combinations of maternal and paternal what?
Options:
A. chromosomes
B. traits
C. genes
D. alleles
Answer: | A |
null | Question: Resistance to pesticides in a population of insects is an example of what?
Options:
A. redistributions
B. extinction
C. microevolution
D. macroevolution
Answer: | C |
null | Question: Since electrons are charged, their intrinsic spin creates a what?
Options:
A. magnified rupulsed field
B. suppressed electrical field
C. intrinsic magnetic field
D. intrinsic electrical field
Answer: | C |
null | Question: What is the term for something left behind by once-living organisms?
Options:
A. deposits
B. decay
C. fossils
D. waste matter
Answer: | C |
null | Question: Earthquakes occur most often at which natural feature?
Options:
A. plate holes
B. artificial boundaries
C. pattern boundaries
D. plate boundaries
Answer: | D |
null | Question: Kinetic energy is energy of this?
Options:
A. gravity
B. food
C. motion
D. speed
Answer: | C |
null | Question: Solid coal, liquid petroleum, and liquid natural gas are all types of what?
Options:
A. hydroelectric
B. fossil fuels
C. nuclear fusion
D. solar electric
Answer: | B |
null | Question: The viscosity of a liquid is a measure of what?
Options:
A. resistance to change form
B. adaptability to surroundings
C. resistance to flow
D. ability to absorb flow
Answer: | C |
null | Question: The cells of what basic plant structure lack chloroplasts?
Options:
A. ferns
B. stem
C. leaf
D. root
Answer: | D |
null | Question: What is the organic material that comes from plants and animals that were recently living called?
Options:
A. chlorophyll
B. contaminants
C. biomass
D. biofuels
Answer: | C |
null | Question: On how many of the continents do birds live and breed?
Options:
A. eight
B. three
C. seven
D. four
Answer: | C |
null | Question: What is considered the center of the solar system?
Options:
A. nebulla
B. sun
C. earth
D. heat
Answer: | B |
null | Question: Macrophages and dendritic cells are types of what"
Options:
A. mast cells
B. supercapacitor cells
C. amoena cells
D. phagocytic cells
Answer: | D |
null | Question: What is the decayed remains of living organisms called?
Options:
A. plateaus
B. oil
C. fossils
D. humus
Answer: | D |
null | Question: What happens when materials return to their original shape?
Options:
A. reverberation
B. restoration principle
C. elastic rebound
D. second life
Answer: | C |
null | Question: What is muscle tissue that is attached to the bone called?
Options:
A. ligament
B. epithelial tissue
C. cartilage
D. skeletal tisse
Answer: | D |
null | Question: How are layers of the atmosphere divided?
Options:
A. air gradients
B. density gradients
C. color gradients
D. temperature gradients
Answer: | D |
null | Question: What is the region known as the myelencephalon in the embryonic brain?
Options:
A. Diencephalon
B. Telencephalon
C. medulla
D. Mesencephalon
Answer: | C |
null | Question: What is the process of soil dissolving in rain called?
Options:
A. migration
B. erosion
C. sedimentation
D. abrasion
Answer: | B |
null | Question: How many chambers are in the heart?
Options:
A. two
B. eight
C. five
D. four
Answer: | D |
null | Question: What kind of medical intervention seeks to eradicate diseases like polio and measles?
Options:
A. malnutrition
B. vaccination
C. nutrition
D. surgical intervention
Answer: | B |
null | Question: The iconic gray mantle of the human brain, which appears to make up most of the mass of the brain, is called?
Options:
A. thrombus
B. lobes
C. brain stem
D. cerebrum
Answer: | D |
null | Question: What type of coal is formed at lower temperatures?
Options:
A. clean
B. limestones
C. bituminous
D. calcareous
Answer: | C |
null | Question: What is the fan-like superior region that forms the largest part of the hip bone and is united to the sacrum at the largely immobile sacroiliac joint?
Options:
A. pica
B. spine
C. septum
D. ilium
Answer: | D |
null | Question: The union of gametes is called?
Options:
A. fusion
B. fertilization
C. migration
D. pollination
Answer: | B |
null | Question: What patterns in trees can be used to determine its age?
Options:
A. rings
B. veins
C. bark ridges
D. colors
Answer: | A |
null | Question: Water is a polar compound, so its molecules are attracted to each other and form what kind of bonds?
Options:
A. helium
B. hydrogen
C. mixed
D. carbon
Answer: | B |
null | Question: What term is used to describe an illusion that light from faraway objects is reflected by a pool of water that is not really there?
Options:
A. version
B. mirage
C. Mirror
D. prototype
Answer: | B |
null | Question: What type of organism is used to produce alcoholic beverages and bread?
Options:
A. larvae
B. bacteria
C. insects
D. yeast
Answer: | D |
null | Question: What are the devices placed in electric circuits where charge can build up, which store energy when charged and release it when they discharge?
Options:
A. resistors
B. generators
C. antennas
D. capacitors
Answer: | D |
null | Question: Do most waves strike the shore head on or at an angle?
Options:
A. at an angle
B. side on
C. head on
D. at a distance
Answer: | A |
null | Question: What kind of change causes evolution in population?
Options:
A. paragenic frequency changes
B. allele frequency changes
C. morphogenesis frequency changes
D. transgenic frequency changes
Answer: | B |
null | Question: Penis, testes, and epididymis are organs in what system?
Options:
A. female reproductive system
B. virus reproductive system
C. plant reproductive system
D. male reproductive system
Answer: | D |
null | Question: Because all animals require an external source of what, they are called heterotrophic?
Options:
A. food
B. energy
C. fuel
D. water
Answer: | A |
null | Question: What three rs represent the steps that you personally can take to conserve our natural resources and minimize waste?
Options:
A. reduce, reuse, re-educate
B. remove, reduce, reuse
C. rinse, reuse, recycle
D. reduce, reuse, recycle
Answer: | D |
null | Question: What is speed at any given instant called?
Options:
A. spontaneous speed
B. marginal speed
C. instantaneous speed
D. relative speed
Answer: | C |
null | Question: What is the small intestine lined with that helps with nutrient absorption?
Options:
A. hilum
B. bile
C. villi
D. cannula
Answer: | C |
null | Question: Unlike amphibians, reptiles do not have what stage?
Options:
A. egg
B. larval
C. adult
D. reproductive
Answer: | B |
null | Question: What part of the plant absorbs water?
Options:
A. leaves
B. roots
C. flower
D. stem
Answer: | B |
null | Question: If environmental conditions deteriorate, many species can form protective what?
Options:
A. proteins
B. shells
C. fibers
D. cysts
Answer: | D |
null | Question: What process can occur when atoms are exposed to high levels of radiation or when atoms transfer electrons to or from other atoms?
Options:
A. oxidation
B. ionization
C. fusion
D. diffusion
Answer: | B |
null | Question: What do monotremes have instead of a uterus and vagina?
Options:
A. endometrium
B. pouch
C. cloaca
D. urethra
Answer: | C |
null | Question: How does the sun generate energy?
Options:
A. certain fusion
B. nuclear fusion
C. matter multiplication
D. atomic division
Answer: | B |
null | Question: What is the term for a substance that increases the rate of a chemical reaction but is not changed or used up in the reaction?
Options:
A. a contribute
B. an acid
C. a mechanism
D. a catalyst
Answer: | D |
null | Question: What substances dissociate into ions when dissolved in water?
Options:
A. isotopes
B. solvent
C. magnetic
D. ionic
Answer: | D |
null | Question: What is the disease in which bones lose mass and become more fragile and likely to break?
Options:
A. fibrosis
B. tuberculosis
C. arthritis
D. osteoporosis
Answer: | D |
null | Question: The jejunum is about 0.9 meters (3 feet) long (in life) and runs from the duodenum to the ileum. jejunum means “empty” in latin and supposedly was so named by the ancient greeks who noticed it was always what?
Options:
A. empty at death
B. weeks at death
C. time.the at death
D. black at death
Answer: | A |
null | Question: What type of energy can be used to change the position or shape of an object, thus giving it potential energy?
Options:
A. static energy
B. binary energy
C. kinetic energy
D. harmonic energy
Answer: | C |
null | Question: There are about 6200 known species of what?
Options:
A. amphibians
B. mammals
C. reptiles
D. primates
Answer: | A |
null | Question: What celestial structure does not give off its own light?
Options:
A. the stars
B. the moon
C. meteors
D. asteroids
Answer: | B |
null | Question: What function of the car is affected by the pedal that controls the amount of gas the engine gets?
Options:
A. transmission
B. braking
C. shifting
D. acceleration
Answer: | D |
null | Question: Yeasts, molds, and mushrooms are all different kinds of what?
Options:
A. pollen
B. fungi
C. fossil
D. bacteria
Answer: | B |
null | Question: What are changes in makeup and chemical properties of matter called?
Options:
A. chemical changes
B. mineral changes
C. radical changes
D. carbonate changes
Answer: | A |
null | Question: What process tends to be external in aquatic species and internal in terrestrial species?
Options:
A. fertilization
B. pollination
C. infection
D. migration
Answer: | A |
null | Question: The period of life between the start of puberty and the beginning of adulthood is called?
Options:
A. prenatal
B. adolescence
C. old age
D. youth
Answer: | B |
null | Question: What gland secretes a fluid that mixes with sperm to help form semen?
Options:
A. thyroid
B. prostate gland
C. thy·mus
D. testicle
Answer: | B |
null | Question: The relationship between a nucleotide codon and its corresponding amino acid is called what?
Options:
A. protein
B. genetic code
C. rna
D. dna
Answer: | B |
null | Question: Like ants and termites, they grow fungi inside the bark of trees and use it to help do what?
Options:
A. digest food
B. clean the nest
C. weaken enemies
D. kill prey
Answer: | A |
null | Question: What type of seismic waves do the most damage?
Options:
A. surface
B. gravity
C. tension
D. sunlight
Answer: | A |
null | Question: What are ectothermic vertebrates that divide their time between freshwater and terrestrial habitats?
Options:
A. arthropods
B. mammals
C. amphibians
D. reptiles
Answer: | C |
null | Question: Pure carbon can exist in different forms, depending on how its atoms are arranged. the forms include diamond, graphite, and what else?
Options:
A. lead
B. ligands
C. fullerenes
D. calcites
Answer: | C |
null | Question: What type of maps detail detail the types and locations of rocks found in an area?
Options:
A. geologic maps
B. polar maps
C. contour maps
D. gnomic maps
Answer: | A |
null | Question: The hepatitis virus attacks only cells of what organ?
Options:
A. lungs
B. liver
C. brain
D. kidney
Answer: | B |
null | Question: What type of bounded nucleus do protists have?
Options:
A. Ribosomes
B. membrane
C. Endoplasmic reticulum
D. Mitochondrion
Answer: | B |
null | Question: What type of rain dissolves and damages stone buildings and statues?
Options:
A. acid rain
B. morning rain
C. stored rain
D. plastic rain
Answer: | A |
null | Question: Some leaves are attached to the plant stem by a petiole. leaves that do not have a petiole and are directly attached to the plant stem are called this?
Options:
A. transverse leaves
B. globular leaves
C. sheath leaves
D. sessile leaves
Answer: | D |
null | Question: Aspirin and ibuprofen reduce pain by inhibiting the synthesis of what?
Options:
A. prostaglandins
B. lipids
C. triglycerides
D. hormones
Answer: | A |
null | Question: Angiosperms possess reproductive structures that attract animals that perform what role?
Options:
A. pollination
B. vegetation
C. isolation
D. evolution
Answer: | A |
null | Question: While most mammals give birth to live young, monotremes can do what?
Options:
A. lay eggs
B. reproduce asexually
C. adopt offspring
D. steal eggs
Answer: | A |
null | Question: Which human body system is a complex network of nervous tissue that carries electrical messages throughout the body?
Options:
A. the lymph system
B. the nervous system
C. the bacterial system
D. the localized system
Answer: | B |
null | Question: Low yields of nitric oxide, no, form when heating nitrogen and oxygen together. no also forms when lightning passes through air during this?
Options:
A. tidal waves
B. tornadoes
C. snowstorms
D. thunderstorms
Answer: | D |
null | Question: Why does the body react to a loss of chloride ions?
Options:
A. decreased tricarbonate reabsorption
B. increased tricarbonate reabsorption
C. decreased bicarbonate reabsorption
D. increased bicarbonate reabsorption
Answer: | D |
null | Question: Hormones often regulate what through antagonistic functions?
Options:
A. homeostasis
B. hypothesis
C. breathing
D. consciousness
Answer: | A |
null | Question: What term is used to describe molecules that contain carbon-nitrogen bonds?
Options:
A. amines
B. nitrites
C. ions
D. compounds
Answer: | A |
null | Question: What do we use to keep track of electric potential energy?
Options:
A. voltage
B. temperature
C. wattage
D. amperage
Answer: | A |
null | Question: What is something that all machines must overcome?
Options:
A. work
B. stress
C. temperature
D. friction
Answer: | D |
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