question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: What type of temperatures increase the likelihood of fires?
Options:
A. higher
B. lower
C. freezing
D. reduced | A |
Question: Fertilizer runoff can create what type of zones in the ocean?
Options:
A. fresh zones
B. hot zones
C. barren zones
D. dead zones | D |
Question: What kind of electricity can you generate with the energy found in flowing water?
Options:
A. electrical power
B. wind energy
C. hydroelectric power
D. transient power | C |
Question: At the time of birth, bones of the brain case are separated by what wide areas of fibrous connective tissue, which later become sutures?
Options:
A. cerebellum
B. sporozoans
C. fluctuations
D. fontanelles | D |
Question: What are inorganic compounds that take the form of discrete molecules called?
Options:
A. molecular compounds
B. functional compounds
C. ionic compounds
D. magnetic compounds | A |
Question: The other ammonium ions are changed into nitrogen gas by what?
Options:
A. fungi
B. denitrifying bacteria
C. accompanying bacteria
D. fluctuations bacteria | B |
Question: What is typical weather for chicago in winter?
Options:
A. rain and wind
B. cold & snow
C. dry and windy
D. ice and humidity | B |
Question: What works by providing a lower energy pathway from reactants to products?
Options:
A. magnetism
B. thermodynamics
C. hormones
D. catalyst | D |
Question: What is the smallest part of a compound?
Options:
A. molecule
B. dna
C. nucleus
D. electron | A |
Question: What layer of skin is located right beneath the epidermis?
Options:
A. scars
B. humus
C. dermis
D. cusps | C |
Question: Some terrestrial species breathe through their skin and oral cavity because they lack what?
Options:
A. windpipe
B. lungs
C. mouth
D. nose | B |
Question: What is the main type of cell in the nervous system called?
Options:
A. axon
B. conduction
C. sensory
D. neuron | D |
Question: Many ionic compounds occur as hydrates, compounds that contain specific ratios of loosely bound water molecules, called waters of hydration. waters of hydration can often be removed simply by doing this?
Options:
A. melting
B. cooling
C. observing
D. heating | D |
Question: When blood vessels in the head dilate, what kind of severe headache can occur?
Options:
A. tension headache
B. chronic headache
C. migraine
D. malignant | C |
Question: Acne and different types of cancer can affect what large organ?
Options:
A. brain
B. lungs
C. liver
D. skin | D |
Question: Prokaryotic cells can only regulate gene expression by controlling the amount of what?
Options:
A. translation
B. RNA processing
C. transcription
D. folding | C |
Question: Where do oceans absorb gases from?
Options:
A. wind
B. sunlight
C. stratosphere
D. atmosphere | D |
Question: Engaging in relatively simple behaviors helps maintain a nearly constant body temperature for organisms classified as what?
Options:
A. ectotherms
B. photophores
C. endotherms
D. placoderms | A |
Question: Meningitis is an infection of the membranes that cover the brain and what else?
Options:
A. notochord
B. umbilical cord
C. spinal cord
D. liver | C |
Question: What use enzymes to break down foreign matter and dead cells?
Options:
A. lysosomes
B. lipids
C. hormones
D. lymphocytes | A |
Question: What is indicated by the ratio of the output force to the input force in a machine?
Options:
A. man hours
B. momentum
C. magnetic force
D. mechanical advantage | D |
Question: Glucocorticoids and mineralocorticoids are the two main types of what in humans?
Options:
A. hormones
B. carotenoids
C. corticosteroids
D. metabolites | C |
Question: What keeps the earth orbiting the sun?
Options:
A. weak nuclear force
B. gravity
C. strong nuclear force
D. magnetic force | B |
Question: How do bees communicate to tell other bees where food is located?
Options:
A. waggle dance
B. high pitch noise
C. wing flapping
D. mating dance | A |
Question: Along with nerve tissue, what kind of tissue are lecithins and cephalins important constituents of?
Options:
A. skin tissue
B. brain tissue
C. heart tissue
D. lung tissue | B |
Question: Metal detectors used for airport security work on which principle?
Options:
A. inertia
B. inductance
C. electricity
D. conductivity | B |
Question: Methanogens in their gut enable what process in cows?
Options:
A. excretion
B. digestion
C. regeneration
D. absorption | B |
Question: The skeleton of lampreys is made of what?
Options:
A. collagen
B. ligament
C. chitin
D. cartilage | D |
Question: How do amphibians reproduce?
Options:
A. asexually
B. they don't
C. sexually
D. biologically | C |
Question: What are scientists called who study the weather and give forecasts?
Options:
A. botanists
B. meteorologists
C. geologists
D. climatologists | B |
Question: Autocrine signaling takes place within the same what?
Options:
A. organ
B. tissue type
C. cell
D. proteins | C |
Question: Both dna and rna are what type of acids?
Options:
A. fatty acids
B. synthesize acids
C. nucleic acids
D. proteins acids | C |
Question: What kind of a resource is soil, for human purposes?
Options:
A. guarana resource
B. emanates resource
C. nonrenewable resource
D. renewable resource | C |
Question: A natural resource that is consumed or used up faster than it can be made by nature is termed what?
Options:
A. renewable
B. fossil fuel
C. energy-inefficient
D. non-renewable | D |
Question: An electrical motor changes electrical energy into what?
Options:
A. chemical energy
B. thermal energy
C. mechanical energy
D. solar energy | C |
Question: What is name for a piece of collagen-rich skin formed after the process of wound healing that differs from normal skin?
Options:
A. Sore
B. tissue
C. scar
D. size | C |
Question: Young eutherians complete their embryonic development within what?
Options:
A. ovaries
B. spores
C. uterus
D. pollen grains | C |
Question: Nuclear reactors use fission reactions to vaporize water, producing steam to drive a turbine and generate what?
Options:
A. light
B. oil
C. electricity
D. fuel | C |
Question: What type of air do plants take in and use?
Options:
A. oxygen
B. carbon dioxide
C. carbon
D. liquid dioxide | B |
Question: How long can a large star be on the main sequence stage?
Options:
A. 60.11 million years
B. 200.4 million years
C. 10 million years
D. 3 million years | C |
Question: What do you call the pattern of lines formed when light passes through a prism to separate it into the different frequencies of light it contains?
Options:
A. kaleidoscope effect
B. light emission spectrum
C. prismatic rainbow
D. atomic emission spectrum | D |
Question: What is the term for a watertight seal between two adjacent animal cells?
Options:
A. tight junction
B. cell membrane
C. placental barrier
D. cell wall | A |
Question: What is at the surface of a cell, arranged in similar bilayer?
Options:
A. fats
B. phospholipids
C. pigments
D. eukaryotes | B |
Question: Vitamins are organic compounds that are essential in very small amounts for the maintenance of normal what?
Options:
A. metabolism
B. pigments
C. calcium
D. respiration | A |
Question: In eukaryotic cells, what divides before the cell itself divides?
Options:
A. electrons
B. cell wall
C. nucleus
D. protons | C |
Question: The joint that lies between the radius and the ulna is what kind of joint?
Options:
A. socket joint
B. shaft joint
C. pivot joint
D. hinge joint | C |
Question: Because it damages hair cells, what is the most cause of hearing loss in adults?
Options:
A. ear wax
B. exposure to noise
C. water in the ears
D. bacteria | B |
Question: What is regulated to ensure that the correct proteins are made?
Options:
A. gene expression
B. Fat expression
C. acids expression
D. variation expression | A |
Question: What mirrors diverge light rays and, thus, have a negative focal length?
Options:
A. curved
B. diffraction
C. convex
D. concave | C |
Question: During what stage are chromosomes condensed enough to be seen under a microscope?
Options:
A. cytokinesis
B. meiosis
C. mitosis
D. epistasis | C |
Question: What is an odorless white solid that is harmless unless consumed in large quantities?
Options:
A. carbon chloride
B. sodium chloride
C. Hydrogen
D. oxygen chloride | B |
Question: Melting, sublimation, and evaporation absorb what from their surroundings?
Options:
A. cold
B. heat
C. moisture
D. vibration | B |
Question: What is the series of changes in the reproductive system of a mature female that happens monthly?
Options:
A. menstrual cycle
B. fetal cycle
C. pregnancy
D. urinary cycle | A |
Question: What is the average number of individuals per unit of area or volume called?
Options:
A. crowdedness
B. population count
C. population structure
D. population density | D |
Question: What types of living beings have water vascular systems and unique tube feet?
Options:
A. Ducks
B. echinoderms
C. diatoms
D. mollusks | B |
Question: Which two gases make up the bulk of earth's atmosphere?
Options:
A. phosphorus and oxygen
B. nitrogen and argon
C. carbon and oxygen
D. nitrogen and oxygen | D |
Question: What is the decayed remains of living organisms called?
Options:
A. fossils
B. oil
C. plateaus
D. humus | D |
Question: The motor thus acts as a generator whenever its coil does what?
Options:
A. revolves
B. rotates
C. stops
D. oscillates | B |
Question: Norovirus causes the inflammation of the stomach and what else?
Options:
A. lungs
B. liver
C. intestines
D. muscles | C |
Question: What forms when tectonic plates move above a hot spot?
Options:
A. volcanic system
B. volcanic setting
C. earthquake chain
D. volcanic chain | D |
Question: What is the multicellular diploid stage called?
Options:
A. lymphocyte
B. blastocyte
C. sporangium
D. sporophyte | D |
Question: Myopia is commonly called what?
Options:
A. scoliosis
B. farsightedness
C. nearsightedness
D. blindness | C |
Question: The prostate gland secretes a fluid that mixes with sperm to help form what?
Options:
A. semen
B. hormone
C. urine
D. testosterone | A |
Question: About 95 percent of lipids are absorbed in what organ of the digestive system?
Options:
A. kidneys
B. large intestine
C. stomach
D. small intestine | D |
Question: What type of work called occurs when a system pushes back the surroundings against a restraining pressure?
Options:
A. expansion work
B. contrast work
C. retention work
D. shape work | A |
Question: In some parts of the world, too much of the sun's harmful uv radiation gets through because of a hole in what layer?
Options:
A. troposphere
B. mesosphere
C. thermosphere
D. ozone | D |
Question: What type of animal eats both plants and animals?
Options:
A. omnivores
B. carnivores
C. herbivores
D. insectivores | A |
Question: What is the term for the muscular duct through which sperm are propelled?
Options:
A. the glarus deferens
B. the västerås deferens
C. the glans deferens
D. the vas deferens | D |
Question: What is the most common cause of cancer?
Options:
A. technology mutations
B. cell mutations
C. poor diet
D. smoking | B |
Question: The testes produce what hormone?
Options:
A. estrogen
B. insulin
C. dopamine
D. testosterone | D |
Question: Capillaries are narrow-diameter tubes that can fit red blood cells through in single file and are the sites for the exchange of what?
Options:
A. proteins
B. nutrients
C. fluids
D. components | B |
Question: Pieces of the cell break off and form a new cell in what type of reproduction that produces genetically identical organisms?
Options:
A. fragmentation
B. Fusion
C. Mitosis
D. Meiosis | A |
Question: How do most reptiles produce?
Options:
A. sexually
B. biologically
C. occasionally
D. asexually | A |
Question: The minimum amount necessary for self-sustained fission of a given nuclide is called what?
Options:
A. its half-life
B. its molar mass
C. its activation energy
D. its critical mass | D |
Question: What are genes that are close together on the same chromosome called?
Options:
A. stored genes
B. linked genes
C. infected genes
D. mutated genes | B |
Question: What do neutral atoms have the same number of?
Options:
A. electrons and protons
B. Measure and electrons
C. toxins and protons
D. gases and protons | A |
Question: Omnivores are animals that eat both plant- and?
Options:
A. recycled food
B. liquid diets
C. animal-derived food
D. biofuel | C |
Question: Bacterial dna is contained in a large, circular strand; this single chromosome is located in a region of the cell called what?
Options:
A. the nucleoid
B. amino acid
C. nucleic acid
D. polypeptide | A |
Question: Which primate group generally lives alone?
Options:
A. human
B. gorilla
C. orangutan
D. chimpanzee | C |
Question: Carbon and what are the second and third most abundant elements in your body?
Options:
A. hydrogen
B. mercury
C. helium
D. calcium | A |
Question: Glucagon and insulin are produced in what organ?
Options:
A. thyroid
B. thymus
C. pancreas
D. hypothalamus | C |
Question: Anagen, catagen and telogen are phases in the growth of what, which involves the root and follicle?
Options:
A. teeth
B. hair
C. bone
D. brain | B |
Question: What is the scientific term for the dropping of leaves, fruits, and flowers, which led to the naming of an acid thought to play a role in the process?
Options:
A. ablation
B. abscission
C. affixation
D. ascorbition | B |
Question: Sudden changes in geologic and climatic conditions can spur what process?
Options:
A. symbiosis
B. evolution
C. cloning
D. generation | B |
Question: What is the fluid that carries sperm through the urethra and out of the body, and provides it with nutrients?
Options:
A. blood
B. bacteria
C. semen
D. yeast | C |
Question: In what unit is frequency measured in?
Options:
A. gram
B. hertz
C. centimeter
D. mole | B |
Question: Mixtures of materials called alloys contain at least one of what type of material?
Options:
A. coal
B. liquid
C. steel
D. metal | D |
Question: The challenge of techniques used for proteomic analyses is the difficulty in detecting small quantities of what?
Options:
A. bacteria
B. particles
C. proteins
D. acids | C |
Question: What type of gas is delivered to homes to use for cooking and heating?
Options:
A. natural gas
B. fluid gas
C. nuetralized gas
D. compounded gas | A |
Question: Chewing a bite of bread mixes it with what and facilitates its chemical breakdown?
Options:
A. interstitial fluid
B. chyme
C. saliva
D. calcium | C |
Question: What is occurring at an alarming rate as a result of global climate change and the constant melting point of ice?
Options:
A. glacier melt
B. glacial movement
C. glacial formation
D. glacial hardening | A |
Question: What triggers the fight-or-flight response?
Options:
A. amphetamine
B. epinephrine
C. endorphine
D. respiration | B |
Question: What is the term for the force applied to a wheel and axle?
Options:
A. input force
B. velocity force
C. output force
D. momentum | A |
Question: Magnetic resonance imaging devices use what to cool the superconducting magnets?
Options:
A. fluorocarbons
B. antifreeze
C. liquid nitrogen
D. dry ice | C |
Question: Water moving up the plane and evaporating from the leaves is a process known as what?
Options:
A. transpiration
B. sublimation
C. evaporation
D. propagation | A |
Question: How many bones fuse together to form the cranium?
Options:
A. 6
B. 8
C. 3
D. 8 | B |
Question: What is the amount of moisture in the atmosphere?
Options:
A. humidity
B. static
C. heat
D. mixture | A |
Question: What heisenberg principle imposes ultimate limits on what is knowable in science?
Options:
A. uncertainty principle
B. certainty principle
C. impossibility principle
D. vacuum principle | A |
Question: Narrowing of the arterioles causes an increase of what upstream in the arteries?
Options:
A. red blood cells
B. white blood cells
C. blood pressure
D. heart beat | C |
Question: What are double sugars called?
Options:
A. disaccharides
B. silicates
C. monosaccharides
D. sodiums | A |
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