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Question: Cells that undergo cell division continue to have their telomeres shortened, thus telomere shortening is associated with what life process?
Options:
A. metabolism
B. aging
C. reproduction
D. reducing | B |
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 | A |
Question: What is the name for a kind of animal that eats a mix of plant and animal foods.
Options:
A. an smorgasbord
B. an herbivore
C. an omnivore
D. a carnivore | C |
Question: Oxygenated air, taken in during inhalation, diffuses across the surface of the lungs into the what?
Options:
A. bloodstream
B. brain
C. proteins
D. liver | A |
Question: What substances, which serve as catalysts, are involved in most of the chemical reactions that take place in organisms?
Options:
A. enzymes
B. carbohydrates
C. vitamins
D. proteins | A |
Question: What is the type of plant called when its leaves seasonally turn color and fall off?
Options:
A. evergreen
B. deciduous plant
C. verdant plant
D. conifer | B |
Question: Besides the endocrine system, what other system exerts control over all the organ systems of the body?
Options:
A. nervous system
B. circulatory system
C. skeleton system
D. abnormal system | A |
Question: What is the area where an electron is most likely to be found called?
Options:
A. orbital
B. proton
C. neucleus
D. neutron | A |
Question: The part of the ecosystem required by a particular species is endangered when human activity threatens loss of what?
Options:
A. biodiversity
B. primary producers
C. habitat
D. primary speciation | C |
Question: What is the wavelength of light expressed in?
Options:
A. millimeters
B. nanoseconds
C. nanometers (nm)
D. vatts | C |
Question: What is found inside the pores of spongy bone?
Options:
A. green marrow
B. bone marrow
C. liquid marrow
D. rupture marrow | B |
Question: The strength of an acid depends on how many of which ions it produces when it dissolves in water?
Options:
A. carbon
B. silicon
C. helium
D. hydrogen | D |
Question: How many oxygen ions make up an ozone molecule?
Options:
A. three
B. one
C. five
D. eight | A |
Question: While light travels at different speeds in different kinds of matter, the speed of light is constant in what condition?
Options:
A. under water
B. through glass
C. outer space
D. vacuum | D |
Question: What kind of solution might cause animal cells to burst?
Options:
A. monatomic
B. Acid Solution
C. hypotonic
D. eutrophic | C |
Question: Transition metals are superior conductors of heat as well as what else?
Options:
A. cold
B. electricity
C. radiation
D. light | B |
Question: Our digestive system breaks down starch to what?
Options:
A. pattern sugars
B. simple sugars
C. Waste
D. Salts | B |
Question: What happens to a tectonic plate when it subducts?
Options:
A. it sinks
B. it melts
C. it cracks
D. it warms | B |
Question: A monosaccharide is the simplest carbohydrate and cannot be hydrolyzed to produce a smaller what?
Options:
A. glucose atom
B. quark
C. carbohydrate molecule
D. amino acid | C |
Question: What is the term for if multiple sperm fuse with an egg?
Options:
A. pollenation
B. fraternization
C. polyspermy
D. in vitro fertilization | C |
Question: As air pressures inside and outside of the ear equalize, what phenomenon is produced?
Options:
A. eyes blinking
B. ear popping
C. throat scratching
D. heart skipping | B |
Question: How many pairs of chromosomes are there?
Options:
A. 13
B. 17
C. 23
D. 2 | C |
Question: Food is broken into smaller particles by mastication, a process involving action by what structures?
Options:
A. tonsils
B. cilia
C. teeth
D. proteins | C |
Question: Cell communication that occurs over short distances is known as what?
Options:
A. paracrine signaling
B. hypersignaling
C. contraposition signaling
D. cell echo | A |
Question: Triggering a blink when something touches the surface of the eye, the corneal reflex is what type of reflex?
Options:
A. orgasmic
B. somatic
C. sensory
D. dendritic | B |
Question: Vascular disorders involve problems with the flow of what?
Options:
A. blood
B. mucus
C. saliva
D. bacteria | A |
Question: In eukaryotes, mrna may be modified before leaving what?
Options:
A. mitochondria
B. ribosome
C. epidermis
D. nucleus | D |
Question: Velocity affects what type of energy more than mass does?
Options:
A. harmonic energy
B. magnetic energy
C. kinetic energy
D. mechanical energy | C |
Question: In which way do vertebrates reproduce?
Options:
A. unisexually
B. asexually
C. bisexually
D. sexually | D |
Question: Neutrons and protons reside in which part of the atom?
Options:
A. molecules
B. vacuoles
C. nucleolus
D. nucleus | D |
Question: What are the two best known baryons?
Options:
A. flux and neurons
B. protons and neutrons
C. shafts and neutrons
D. electrons and neutrons | B |
Question: Mutation creates new genetic variation in what?
Options:
A. form pool
B. gene pool
C. disease pool
D. mutation pool | B |
Question: What hormone controls milk production in mammary glands?
Options:
A. pepsin
B. dopamine
C. melanin
D. prolactin | D |
Question: Cellular respiration brings hydrogen and oxygen together to form what?
Options:
A. cold
B. air
C. Salt
D. water | D |
Question: What are the two components of the autonomic nervous system?
Options:
A. parasympathetic and sympathetic
B. neurons and sympathetic
C. empathetic and sympathetic
D. crystallisation and sympathetic | A |
Question: Where do lancelets live?
Options:
A. riverbeds
B. deep sea caves
C. on land
D. shallow ocean water | D |
Question: What is caused when circulating blood puts pressure on the walls of blood vessels?
Options:
A. high cholesterol
B. aneurysm
C. blood pressure
D. atherosclerosis | C |
Question: What is the most common bacterial sti in the u. s.?
Options:
A. tuberculosis
B. chlamydia
C. diarrhea
D. influenza | B |
Question: In what unit is heat measured in?
Options:
A. joules
B. thermals
C. velocities
D. amperes | A |
Question: In which type of cells are most organelles not found?
Options:
A. heterogeneous cells
B. eukaryotic cells
C. endoplasmic cells
D. prokaryotic cells | D |
Question: Which three colors are called the primary colors of light?
Options:
A. black, white, red
B. red, green, blue
C. red, blue, yellow
D. blue, green, violet | B |
Question: Water dissolving minerals out of rocks makes ocean water what?
Options:
A. salty
B. bitter
C. sweet
D. muddy | A |
Question: Like the energy content in food, the energy expenditures of exercise are also reported in what units?
Options:
A. kilocalories
B. grams
C. ironies
D. gigabytes | A |
Question: What's the term for an allele that's always expressed over another?
Options:
A. dominant
B. recessive
C. prevalent
D. mutated | A |
Question: Series and parallel circuits are two basic types of what?
Options:
A. mutual circuits
B. electric circuits
C. chemical circuits
D. mechanical circuits | B |
Question: Transport of water and solutes in plants water potential is a measure of the difference in potential energy between a water sample and this?
Options:
A. pure water
B. salty water
C. dirty water
D. green water | A |
Question: Three distinct layers or tunics form the walls of what structures; the first is a smooth, inner lining of endothelial cells in contact with the red blood cells?
Options:
A. white blood cells
B. alveoli
C. lungs
D. blood vessels | D |
Question: Groundwater does what to the rock beneath the ground surface?
Options:
A. boosts it
B. erodes it
C. creates it
D. accelerates it | B |
Question: Technetium is named after the greektechnikos, meaning “artificial,” because all its isotopes are what?
Options:
A. neutral
B. radioactive
C. rare
D. plastic | B |
Question: What is a galvanic process that can be prevented using cathodic protection?
Options:
A. explosion
B. corrosion
C. sublimation
D. vaporization | B |
Question: What are drumlins, eskers, and kettle lakes formed by?
Options:
A. glaciers
B. earthquakes
C. meteors
D. tsunamis | A |
Question: What is the vector sum of all the torques acting on the object called?
Options:
A. gross torque
B. total torque
C. net torque
D. critical torque | C |
Question: An electric current flows in a path called what?
Options:
A. fuse
B. electric ring
C. electric course
D. electric circuit | D |
Question: What gas can be generated by reacting sodium bromide with elemental chlorine?
Options:
A. gaseous bromine gas
B. photons bromine gas
C. Molecular Bromine Gas
D. elemental bromine gas | D |
Question: What is a close relationship between two species in which at least one species benefits?
Options:
A. parasitism
B. endosymbiosis
C. symbiosis
D. morphogenesis | C |
Question: Over many generations, the resulting genetic diversity provides valuable raw material for what?
Options:
A. natural selection
B. characteristic selection
C. coral selection
D. intelligent selection | A |
Question: What pulls skydivers towards the earth?
Options:
A. gravity
B. impact
C. momentum
D. inertia | A |
Question: What occurs when a gas passes through an opening that is smaller than the mean free path of the particles?
Options:
A. malformation
B. precipitation
C. effusion
D. dissipation | C |
Question: What are the preserved remains of animals, plants, and other organisms called?
Options:
A. basalt
B. fossils
C. rocks
D. skulls | B |
Question: What group of elements cannot conduct electricity?
Options:
A. phosphates
B. carbonates
C. metals
D. nonmetals | D |
Question: What is the name of a tough, fibrous membrane which protects the outer layer of bone?
Options:
A. cartilage
B. the epithelium
C. the periosteum
D. marrow | C |
Question: Bond lengths are intermediate between covalent single bonds and what?
Options:
A. wavefunction double bonds
B. gravitational double bonds
C. trivalent bonds
D. covalent double bonds | D |
Question: Under a microscope, salt crystals are what shape?
Options:
A. triangles
B. squares
C. cubes
D. circles | C |
Question: Where part of the atmosphere is the uppermost mantle?
Options:
A. lithosphere
B. troposphere
C. isosphere
D. thermosphere | A |
Question: In a heat map, what color represents the hottest temperatures?
Options:
A. orange
B. bright red
C. bright yellow
D. pink | C |
Question: All living things require what, which most ecosystems obtain from the sun?
Options:
A. water
B. heat
C. energy
D. oxygen | C |
Question: Kelvin is a temperature measure in which the lowest temperature is what?
Options:
A. definitive zero
B. anomalous zero
C. absolute zero
D. accurate zero | C |
Question: The basic fabric of most biological membranes is a double layer of _________ and other lipids?
Options:
A. phospholipids
B. antibodies
C. liquids
D. solids | A |
Question: What is the name for the organs behind the head of a fish that absorb oxygen from water?
Options:
A. alveoli
B. lungs
C. pores
D. gills | D |
Question: What system gets less effective with age, that generally makes older people more disease susceptible?
Options:
A. nervous system
B. reproductive system
C. infectious system
D. immune system | D |
Question: Which type of tides are created when the sun and moon's tides match?
Options:
A. low tides
B. Neap tides
C. spring tides
D. weak tides | C |
Question: What is the process of creating an exact genetic replica of an organism called?
Options:
A. reproducing
B. converting
C. cloning
D. copying | C |
Question: An example of hydrolysis working within our bodies is the process of what?
Options:
A. breathing
B. absorption
C. filtration
D. digestion | D |
Question: What theory can explain virtually all the properties of metals?
Options:
A. bonding theory
B. band theory
C. property law theory
D. formation theory | B |
Question: Serious imbalances, cancer and other diseases can result when expression of what goes awry?
Options:
A. gametes
B. proteins
C. ribosomes
D. genes | D |
Question: Which organ's diseases include kidney stones, infections, and kidney failure due to diabetes?
Options:
A. heart
B. lungs
C. pancreas
D. kidney | D |
Question: What single-celled organism can be either a predator, decomposer, herbivore, or parasite in the food chain?
Options:
A. protozoa
B. vertebrates
C. Diatoms
D. mites | A |
Question: What layer, made of hot, solid rock, is beneath the earth's crust?
Options:
A. magma
B. mantle
C. core
D. marble | B |
Question: Some bacteria can contaminate food and cause what illness?
Options:
A. bacterial poisoning
B. bacterial spoilage
C. natural poisoning
D. food poisoning | D |
Question: The enzyme pepsin works only in the presence of what?
Options:
A. carbohydrates
B. acid
C. sodium
D. oxygen | B |
Question: What organisms known as decomposers break down wastes and dead organisms into smaller molecules?
Options:
A. consumers
B. trees
C. bacteria
D. herbivores | C |
Question: Both flukes and tapeworms are parasites with what kind of host?
Options:
A. vertebrate
B. cells
C. insect
D. trees | A |
Question: What is the transfer of information from rna to dna called?
Options:
A. reverse differentiation
B. confront transcription
C. forward transcription
D. reverse transcription | D |
Question: In science, anything that has mass and volume is considered what?
Options:
A. visible
B. matter
C. renewable
D. an element | B |
Question: Cells with different functions often differ in what physical property?
Options:
A. density
B. shape
C. size
D. weight | B |
Question: Wich disorder arises when defective valves allow blood to accumulate within the veins?
Options:
A. bulging veins
B. varicose veins
C. vascular disease
D. cataracts veins | B |
Question: Ocean water has what property because water dissolves minerals out of rocks?
Options:
A. muddy
B. sweet
C. salty
D. fizzy | C |
Question: What term refers to patterns of stars seen from earth?
Options:
A. constellations
B. astrology
C. horoscope
D. astronomers | A |
Question: What gives the plant cell strength and protection?
Options:
A. the protons
B. a cell wall
C. the genes
D. the cell nucleus | B |
Question: If pollination occurs, what does the zygote develop into?
Options:
A. an ovum
B. an embryo
C. a sperm
D. an egg | B |
Question: Hiv has proteins called what, internal to the envelope, which help stabilize virion shape?
Options:
A. reduction proteins
B. matrix proteins
C. step proteins
D. sphere proteins | B |
Question: What are two basic types of pollutants in the air?
Options:
A. organic and inorganic
B. primary and secondary pollutants
C. pesticides and smog
D. smog and coal | B |
Question: How do humans learn behaviors?
Options:
A. conditioning
B. Aural pressure
C. pressure
D. Verbal pressure | A |
Question: Just about all life processes depend on what?
Options:
A. air
B. water
C. meat
D. carbon | B |
Question: During labor, what do contractions of the muscular walls of the uterus cause?
Options:
A. spontaneous abortion
B. premature birth
C. excretion
D. cervical dilation | D |
Question: How is communication initiated and maintained with spacecraft?
Options:
A. radio waves
B. wi-fi
C. telegraph
D. sonar | A |
Question: Dna replication is the first step in what process for both eukaryotic and prokaryotic cells?
Options:
A. cell division
B. cell death
C. cell growth
D. cell transfer | A |
Question: The prostate is formed of both muscular and which other tissues?
Options:
A. nonvascular tissue
B. scar
C. cartilage tissue
D. glandular | D |
Question: A mammal that reproduces by laying eggs is called what?
Options:
A. cactaceae
B. monotreme
C. maidenhair
D. mammal | B |
Question: Adaptations that go along with the active, carnivorous lifestyle of sharks are known as?
Options:
A. acute senses
B. acute parameters
C. similar senses
D. Relative traits | A |
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