question stringlengths 68 502 | answer stringclasses 4
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Question: What kind of systems use fluid to transmit pressure and increase force?
Options:
A. hydraulic systems
B. thermal systems
C. electromagnetic systems
D. plumbing systems | A |
Question: What organ interprets what our sensory organs sense?
Options:
A. lungs
B. nerves
C. brain
D. thyroid | C |
Question: Gametes are products through meiosis in which organs?
Options:
A. cones
B. gonads
C. kidneys
D. hormones | B |
Question: Haumea, which is the third brightest kuiper belt object has an odd oval shape which is probably caused by what?
Options:
A. unusually rapid rotation
B. extremely rapid rotation
C. particularly rapid rotation
D. Slow rotation | B |
Question: A changing magnetic field produces an electric current in what?
Options:
A. matter
B. substance
C. a conductor
D. organ | C |
Question: What do plants do to prevent water loss at night?
Options:
A. close their stems
B. shed their petals
C. open their petals
D. close their leaves | D |
Question: What term describes a colloidal dispersion of a liquid in either a liquid or a solid?
Options:
A. mix
B. suspension
C. emulsion
D. compound | C |
Question: What evidence is there that mt. everest was once at the bottom of a sea?
Options:
A. glaciers
B. fossils
C. skulls
D. corals | B |
Question: Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess?
Options:
A. negative
B. positive
C. none
D. neutral | D |
Question: What is the term for interactions between individuals of different species over an extended period of time which impact the abundance and distribution of the associating populations?
Options:
A. symbiotic relationships
B. food chain
C. cooperative evolution
D. parasitic relationships | A |
Question: Plane mirrors work because the light rays create what behind the mirror?
Options:
A. a virtual example
B. a mirror image
C. a virtual image
D. a entire image | C |
Question: What do we call natural resources that are remade by natural processes as quickly as people use them?
Options:
A. renewable
B. exotic
C. geothermal
D. nonrenewable | A |
Question: What is the process of breaking down food into components the body can absorb called?
Options:
A. excretion
B. digestion
C. filtration
D. absorption | B |
Question: What controls what moves inside and outside the cell?
Options:
A. the plasma membrane
B. nucleus
C. golgi apparatus
D. mitochondria | A |
Question: Yeasts are single-celled fungi. about 1,000 species are recognized, but the most common species is saccharomyces cerevisiae, which is used in this?
Options:
A. potatoes making
B. cookie making
C. bread making
D. cake making | C |
Question: Another measure of the effectiveness of a machine is its what?
Options:
A. mechanical advantage
B. aesthetic effect
C. cost benefit
D. chemical advantage | A |
Question: What are biofilms resistant to many common forms of?
Options:
A. termination
B. vaccination
C. assimilation
D. sterilization | D |
Question: Fractures and faults are terms you hear when talking about?
Options:
A. storms
B. magnets
C. volcanoes
D. earthquakes | D |
Question: What are resources that can not be remade, or would take too long to remake to keep up wiht human use called?
Options:
A. renewable resources
B. green resources
C. photoreactive resources
D. nonrewable resources | D |
Question: Alkenes with the same atoms but different shapes are called what?
Options:
A. monomers
B. isotopes
C. alcohols
D. isomers | D |
Question: Which of the animals digest cellulose with the aid of methanogens?
Options:
A. goats
B. cows
C. pigs
D. apes | B |
Question: What is the major source of warmth for earth?
Options:
A. the sun
B. seasons
C. equator
D. the Moon | A |
Question: Like a runner passing a baton, the transmission of nerve impulses between neurons depends on what?
Options:
A. receptors
B. axons
C. neurotransmitters
D. enzymes | C |
Question: Which organ is the control center of the nervous system?
Options:
A. the lungs
B. the brain
C. the heart
D. the spine | B |
Question: Continental climates are generally found in what areas of landmasses?
Options:
A. wetlands
B. inland
C. northerly
D. buttes | B |
Question: What mainly gives the body energy?
Options:
A. sunlight
B. fuel
C. food
D. water | C |
Question: A mineral can be made of an element or a?
Options:
A. Sediment
B. cell
C. component
D. compound | D |
Question: Herbivores are heterotrophs that eat only or mainly what?
Options:
A. decayed matter
B. plants
C. animals
D. fish | B |
Question: The heart is an organ in which system?
Options:
A. immune system
B. respiratory system
C. circulatory system
D. nervous system | C |
Question: What are the subatomic particles of the nucleus called?
Options:
A. protons
B. eukaryotes
C. nucleons
D. cores | C |
Question: Who wrote the book, on the origin of species?
Options:
A. Sagan
B. Scopes
C. shaw
D. darwin | D |
Question: Tar sands are rocky materials mixed with what?
Options:
A. magma
B. coal
C. very thick oil
D. shale | C |
Question: A current in a circuit needs a complete what?
Options:
A. cause
B. speed
C. path
D. stream | C |
Question: How do glucose, ions, and other larger molecules leave the blood?
Options:
A. through capillary tips
B. through cell membranes
C. through intercellular clefts
D. through veinous fissures | C |
Question: The basal forebrain contains what that are important in learning and memory?
Options:
A. ribosomes
B. atoms
C. oxygen
D. nuclei | D |
Question: What thin layer of air acts as a barrier to prevent cool air from mixing with warm air in the stratosphere?
Options:
A. tropopause
B. liposphere
C. methosphere
D. endosphere | A |
Question: What is the name for the male gamete?
Options:
A. ova
B. egg
C. sperm
D. chromatid | C |
Question: The strength of acids is measured on what scale?
Options:
A. Killalot
B. qcd
C. μg
D. ph | D |
Question: What term is also known as the contact activation pathway?
Options:
A. internal pathway
B. intrinsic pathway
C. identical pathway
D. central pathway | B |
Question: What comprises the contents of a cell between the plasma membrane and the nuclear envelope?
Options:
A. cerebellum
B. protoplasm
C. cytoplasm
D. cytoskeleton | C |
Question: What is used to convert concentrations to collisions per second?
Options:
A. particles factor
B. frequency factor
C. collision meter
D. speeds factor | B |
Question: The ovules, which are the female gametophytes, are held in what organ?
Options:
A. ovary
B. testes
C. abdomen
D. uterus | A |
Question: Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what?
Options:
A. period... | A |
Question: Equilibriums are affected by changes in concentration, total pressure or volume, and this?
Options:
A. temperature
B. oxygen
C. rate
D. time | A |
Question: What type of seed-bearing structure of a flowering plant usually develop into?
Options:
A. fruit
B. Stem
C. Apple
D. food | A |
Question: What are ionic substances completely held together by?
Options:
A. thermal bonds
B. localized bonds
C. ionic bonds
D. magnetic bonds | C |
Question: What word do get from the arabic al-qili, meaning “ashes of the saltwort plant from salt marshes”?
Options:
A. alkali
B. water
C. crystals
D. metals | A |
Question: Metals are elements that can conduct what?
Options:
A. pollution
B. cycle
C. orchestras
D. electricity | D |
Question: The earth is like organisms in that it maintains a stable state, which is also known as what?
Options:
A. hibernation
B. ketosis
C. dormancy
D. homeostasis | D |
Question: The purpose of any cooling system is to transfer what type of energy in order to keep things cool?
Options:
A. physical
B. thermal
C. atmospheric
D. radiation | B |
Question: What is the heart's main task?
Options:
A. pump blood
B. split blood cells
C. clean blood
D. make blood | A |
Question: Which antibacterial protein is found in tears and saliva?
Options:
A. human growth hormone
B. human lysozyme
C. amino acid
D. dopamine | B |
Question: What elements tend to conduct well?
Options:
A. oils
B. metals
C. gases
D. organics | B |
Question: What type of masses are structureless particles that cannot spin?
Options:
A. inertial mass
B. turning masses
C. point masses
D. weightless masses | C |
Question: What do scientists use to search other planets suitable for living?
Options:
A. microscopes
B. optics
C. telescopes
D. lasers | C |
Question: All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on what?
Options:
A. top of head
B. below the neck
C. side of head
D. back of head | A |
Question: During adulthood, what is needed for the production of sperm?
Options:
A. androgen
B. steroids
C. testosterone
D. estrogen | C |
Question: What are solid lipids that animals use to store energy called?
Options:
A. cholesterol
B. hydrocortisol
C. steroids
D. fats | D |
Question: What in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing?
Options:
A. uses measurements
B. available measurements
C. Conventional measurements
D. standard measurements | D |
Question: What substances in a car battery can be melted and recycled?
Options:
A. steel and sodium
B. lead and plastic
C. lead and sodium
D. lead and steel | B |
Question: Unlike a crystalline solid, an amorphous solid is a solid that lacks a what?
Options:
A. weight
B. atoms
C. ordered internal structure
D. color | C |
Question: Many carbohydrates can enter glycolysis, most often after conversion to what?
Options:
A. glucose
B. fructose
C. insulin
D. sucrose | A |
Question: If a quantity of a reactant remains unconsumed after complete reaction has occurred, it is?
Options:
A. in excess
B. reduced
C. static
D. missing | A |
Question: Name the one metal that melts below room temperature?
Options:
A. bronze
B. gold
C. mercury
D. aluminum | C |
Question: The way a mineral cleaves or fractures depends on what part of the mineral?
Options:
A. the crystal structure
B. the core
C. the crust
D. the fault structure | A |
Question: Ultimately, most life forms get their energy from this?
Options:
A. food
B. heat
C. earth
D. sun | D |
Question: What was diorite commonly used for in ancient civilizations?
Options:
A. art
B. medicine
C. school
D. currency | A |
Question: Aquatic biomes in the ocean are called what?
Options:
A. marine biomes
B. jungle biomes
C. artificial biomes
D. arid biomes | A |
Question: When an ionic compound dissociates in water, water molecules surround each ion and separate it from the rest of the what?
Options:
A. gas
B. solid
C. mixture
D. electron shell | B |
Question: What device is used to measure temperature?
Options:
A. thermometer
B. anemometer
C. barometer
D. compass | A |
Question: What has the smallest, lightest atoms of all the elements and is colorless, odorless, tasteless and nontoxic, but highly flammable in its pure state?
Options:
A. barium
B. magnesium
C. hydrogen
D. helium | C |
Question: If two populations do not mate and produce fertile offspring, what results?
Options:
A. same species
B. separate species
C. small species
D. large species | B |
Question: What system includes the brain and the spinal cord?
Options:
A. lymbic
B. muscular
C. central nervous
D. digestive | C |
Question: Light is produced when charged particles do what, frequently in the form of oscillating?
Options:
A. decelerate
B. offset
C. accelerate
D. increase | C |
Question: Respiration rate correlates with what?
Options:
A. energy use
B. size
C. heat
D. pressure | A |
Question: What is the only commercial way of reproducing plants such as orchids?
Options:
A. grafting
B. cross-breeding
C. cloning
D. sexual reproduction | C |
Question: Birds adapted wings and weathers for flight during what process?
Options:
A. variation
B. evolution
C. emergence
D. migration | B |
Question: Which factor ruins renewable resources like soil and water?
Options:
A. careless human action
B. hateful human action
C. resentful human action
D. melancholic human action | A |
Question: How does the solubility of gases in liquids change with increasing temperature?
Options:
A. it decreases
B. no change
C. it stabilizes
D. it increases | A |
Question: What are all living things made of?
Options:
A. muscles
B. water
C. cells
D. proteins | C |
Question: Where does the nucleus store chromatin ?
Options:
A. nucleoplasm
B. xerophyte
C. chloroplasts
D. ribosome | A |
Question: What do the liver, gallbladder, and pancreas contribute that aid in digestion?
Options:
A. chemicals
B. crystals
C. plasma
D. contaminants | A |
Question: What are all tissues external to the vascular cambium called?
Options:
A. bark
B. larvae
C. membranes
D. nucleus | A |
Question: Spirals, spheres, and rods are examples of what distinguishing property of bacteria?
Options:
A. organ
B. shape
C. function
D. color | B |
Question: The goal of homeostasis is the maintenance of what, around a point or value called a set point?
Options:
A. imbalance
B. agitation
C. steadiness
D. equilibrium | D |
Question: What type of energy of a system is the sum of the kinetic and potential energies of its atoms and molecules?
Options:
A. internal energy u
B. external energy u
C. deep energy u
D. primary energy u | A |
Question: Primary batteries are single-use batteries because they cannot be what?
Options:
A. UP ticked.
B. refreshed
C. plugged
D. recharged | D |
Question: Layers of fat are formed by what type of tissue?
Options:
A. colchis tissue
B. areolar tissue
C. trypanosome tissue
D. adipose tissue | D |
Question: Basidiomycetes do what to wood and other plant material?
Options:
A. evolve
B. evaporate
C. revive
D. decompose | D |
Question: Pathogens infect many animals and are agents of what?
Options:
A. disease
B. change
C. drought
D. mutation | A |
Question: Sediments in oligotrophic lakes contain large amounts of what?
Options:
A. fertilizer
B. igneous rocks
C. decomposable organic matter
D. algae | C |
Question: What tides occur during the new moon and full moon?
Options:
A. bottom
B. spring
C. high
D. autumn | B |
Question: In passive transport, small molecules or ions move across the cell membrane without requiring input of what?
Options:
A. water
B. energy
C. pressure
D. heating | B |
Question: Some bacteria also have tail-like structures called what?
Options:
A. sporangia
B. flagella
C. plasmids
D. nuclei | B |
Question: People with which skin type run a greater risk of vitamin d deficiency?
Options:
A. lighter skin
B. brighter skin
C. darker skin
D. weaker skin | C |
Question: What happens to temperature in the troposphere as the altitude increases?
Options:
A. it disappears
B. it increases
C. it decreases
D. it stays the same | C |
Question: The kidneys help control acid-base balance by excreting _____ and generating bicarbonate that helps maintain blood plasma ph within a normal range?
Options:
A. lithium ions
B. sodium ions
C. magnesium ions
D. hydrogen ions | D |
Question: What does the geiger counter detect?
Options:
A. moisture
B. convection
C. radiation
D. vibration | C |
Question: Mollusks such as squid and octopi, which must hunt to survive, possess what complex organs containing millions of neurons?
Options:
A. hearts
B. tentacles
C. brains
D. gills | C |
Question: Which direction from the source do pollutants in an aquifer spread?
Options:
A. forward
B. inward
C. outward
D. southward | C |
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