question stringlengths 68 502 | answer stringclasses 4
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Question: Energy is lost as heat between each trophic level due to the second law of what?
Options:
A. thermodynamics
B. chemistry
C. particles
D. reactions | A |
Question: What are electrons in the outer energy level of an atom called?
Options:
A. valence electrons
B. positive electrons
C. outer electrons
D. shell electrons | A |
Question: Halogens tend to form salts with what type of element?
Options:
A. nonmetals
B. man-made
C. metals
D. metalloids | C |
Question: The voltage is measured using a voltmeter, which measures which difference across two points?
Options:
A. average difference
B. potential difference
C. actual difference
D. Distance | B |
Question: What is the vertical extent of ocean water called?
Options:
A. oceanic pillar
B. water row
C. water column
D. ocean column | C |
Question: Echinoderms are found in many different ocean environments, but most are found where?
Options:
A. in tidepools
B. in reefs
C. in beaches
D. in waterfalls | B |
Question: A convergent plate boundary is created when two plates do what?
Options:
A. stay stationary
B. move away from each other
C. move perpendicular to each other
D. come toward each other | D |
Question: When volcanoes erupt, what from the mantle is released as carbon dioxide into the air?
Options:
A. hydrogen
B. carbon
C. lava
D. vapor | B |
Question: Sepals, petals, pistils, and stamens are contained in all what, which are actually modified leaves or sporophylls organized around a central stalk?
Options:
A. chlorophyll
B. flowers
C. stems
D. roots | B |
Question: What do cells do in order to replace damaged or worn out cells?
Options:
A. fold
B. replicate
C. die
D. divide | D |
Question: What kind of agriculture destroyed about 10% of madagascar's native plants?
Options:
A. crop rotation
B. slash-and-burn
C. hybridization
D. fertilizer use | B |
Question: Chloroplasts are the little green particles in plants made up of what colorful pigment?
Options:
A. carbonate
B. verdigris
C. chlorophyll
D. melanin | C |
Question: What is the largest organ of the human body?
Options:
A. your lungs
B. your brain
C. your blood
D. your skin | D |
Question: What kind of charge does a proton have?
Options:
A. constant
B. ionic
C. positive
D. negative | C |
Question: What are boggy regions with thick layers of peat called?
Options:
A. peatlands
B. wetlands
C. tropics
D. meadows | A |
Question: What type of compounds make up the cells and tissues of living things?
Options:
A. proximal
B. hormonal
C. biochemical
D. microbial | C |
Question: Anything that has mass and takes up space is considered what?
Options:
A. energy
B. matter
C. light
D. power | B |
Question: What will you see if you look at a star through a prism?
Options:
A. rainbow
B. kaleidoscope
C. spots
D. spectrum | D |
Question: Where is most digestion completed?
Options:
A. the stomach
B. the duodenum
C. the cavity
D. the esophagus | B |
Question: Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb?
Options:
A. earthquakes
B. hurricanes
C. forest fires
D. volcanoes | D |
Question: What gland secretes its products directly into the urethra through several small ducts
Options:
A. thyroid
B. pituitary
C. prostate
D. adrenal | C |
Question: The complete combustion of alkanes to carbon dioxide is an extremely __________ reaction.
Options:
A. hydrolic
B. exothermic
C. reactive
D. geothermal | B |
Question: What is the study of structure, properties, and interactions of matter?
Options:
A. biology
B. petrology
C. geology
D. chemistry | D |
Question: Because several genes, each with more than one allele, contribute to determining height in humans, height is considered what kind of trait?
Options:
A. adaptive
B. polygenic
C. epigenetic
D. maladaptive | B |
Question: A basidium is the fruiting body of a mushroomproducing fungus, and it forms four what?
Options:
A. schizonts
B. fossiliferous
C. tunnels
D. basidiocarps | D |
Question: Traditional classification of mammals are based on similarities in what two things?
Options:
A. solution & function
B. Density and Structure
C. structure & function
D. density & function | C |
Question: The rest of the energy stored in glucose is lost as what?
Options:
A. volume
B. heat
C. mass
D. humidity | B |
Question: Water that is lost through the skin through evaporation from the skin surface without overt sweating and from air expelled from the lungs is known as what?
Options:
A. insensible water loss
B. osmotic process
C. logical water loss
D. dehydration | A |
Question: What are the only innate behaviors in humans?
Options:
A. learned behaviors
B. reflex behaviors
C. insight behaviors
D. inherited traits | B |
Question: What occurs when a parent organism breaks into fragments, or pieces, and each fragment develops into a new organism?
Options:
A. fragmentation
B. erosion
C. absorption
D. sollution | A |
Question: What does the triploid cell develop into during fertilization?
Options:
A. endosperm
B. zygote
C. tubers
D. membrane | A |
Question: The law of conservation of matter, which says that matter cannot be created or this?
Options:
A. abandoned
B. damaged
C. stopped
D. destroyed | D |
Question: Which particle of an atom has a positive electric charge?
Options:
A. nucleus
B. nutron
C. electron
D. proton | D |
Question: How is a reaction described when the given conditions favor formation of products?
Options:
A. fluctuations
B. planned
C. instantaneous
D. spontaneous | D |
Question: What does an electric field surround?
Options:
A. negative particle
B. charged ions
C. neutral particles
D. a charged particle | D |
Question: Lack of what mineral causes rickets?
Options:
A. magnesium
B. calcium
C. zinc
D. potassium | B |
Question: What do we call the energy of motion?
Options:
A. electromagnetic energy
B. binary energy
C. harmonic energy
D. kinetic energy | D |
Question: Earthquakes and visible light are examples of what?
Options:
A. geological phenomena
B. waves
C. currents
D. winds | B |
Question: There is always a slightly negative pressure within what cavity, helping keep the airways of the lungs open?
Options:
A. anal
B. cervical
C. thoracic
D. spinal | C |
Question: What property allows cut logs to float on water?
Options:
A. polarity
B. heat
C. density
D. precipitation | C |
Question: Different interatomic distances produce different lattice what?
Options:
A. surfaces
B. qualities
C. weights
D. energies | D |
Question: What organs filter blood and form urine?
Options:
A. the kidneys
B. the liver
C. the appendix
D. the spleen | A |
Question: A chain of what structures form as an oceanic plate moves over a hotspot?
Options:
A. volcanoes
B. earthquakes
C. outcrops
D. ridges | A |
Question: What is responsible for many properties of covalent compounds, which have relatively low boiling points, cannot conduct electricity, and may not dissolve in water?
Options:
A. atomic weight
B. ionic charge
C. covalent bonds
D. accretion bonds | C |
Question: Tanning salons claim to use a “safe” form of what light, with a longer wavelength than that in sunlight?
Options:
A. uv (ultraviolet)
B. X rays
C. microwave
D. infrared | A |
Question: Respiratory therapists or respiratory practitioners evaluate and treat patients diseases affecting what part of the body?
Options:
A. heart, lungs, stomach
B. byproduct , heart , and blood vessels
C. brain, stomach, heart
D. lung, heart, and blood vessels | D |
Question: Within each sporangium, hundreds of what kind of spores develop and are dispersed through the air?
Options:
A. diploid
B. haploid
C. polyploid
D. infertile | B |
Question: What delivers power to the chemical factory chloroplasts?
Options:
A. water
B. chlorophyll
C. oxygen
D. the sun | D |
Question: Which type of bryophytes are named for their horn-like sporophytes?
Options:
A. tapeworms
B. hornworts
C. arthropods
D. flatworms | B |
Question: What do you call a carnivore that eats mainly insects?
Options:
A. predator
B. omnivores
C. pescatorian
D. insectivores | D |
Question: Oxygen has the second highest electronegativity of any element; consequently, it prefers to share or accept electrons from other elements. only with fluorine does oxygen form compounds in this?
Options:
A. chemical oxidation states
B. positive oxidation states
C. liquid oxidation states
D. negative Oxidation ... | B |
Question: What component of cells is present in plant and bacterial cells but not animal cells?
Options:
A. cell wall
B. mitochondria
C. nucleus
D. plasma | A |
Question: Energy cannot be created or destroyed - it can only change what?
Options:
A. form
B. fluid
C. kind
D. shape | A |
Question: Most fungi can reproduce in which 2 ways?
Options:
A. sexually and binary fusion
B. binary fission and fusion
C. asexually and sexually
D. sexually and autonomously | C |
Question: What is a pair of valence electrons in a bonded atom that does not participate in bonding called?
Options:
A. lone pair
B. hostile pair
C. isolated pair
D. opposite pair | A |
Question: When a metal is oxidized and a nonmetal is reduced in a redox reaction, what is the resulting compound called?
Options:
A. magnetic compound
B. alloy
C. soluble compound
D. ionic compound | D |
Question: A biofilm is a colony of prokaryotes that is stuck to what?
Options:
A. the middle
B. surface
C. skin
D. the bottom | B |
Question: What is the part of the flower that produces pollen?
Options:
A. leaves
B. cones
C. stigma
D. stamen | D |
Question: What neutralizes the acidity of chyme and acts as a buffer?
Options:
A. the chloride
B. bile
C. the bicarbonate
D. the small intestine | C |
Question: What type of stress causes horizontal motions in strike-slip faults?
Options:
A. blunt
B. cold
C. shear
D. hot | C |
Question: The structure of the boeing 787 has been described as essentially one giant macromolecule, where everything is fastened through cross-linked chemical bonds reinforced with this?
Options:
A. metal-metal bonds
B. nitrogen fiber
C. carbon fiber
D. non-covalent interaction | C |
Question: What is the term for the process in which two atomic nuclei fuse together to make a single nucleus?
Options:
A. fusion
B. fission
C. binding
D. absorption | A |
Question: In human beings, when a female becomes pregnant, what is fertilized and then embedded in the uterus?
Options:
A. follicle
B. dna
C. egg
D. sperm | C |
Question: What has increased the greenhouse effect?
Options:
A. temperature changes
B. climate change
C. ozone depletion
D. human actions | D |
Question: How many pairs of chromosomes are there?
Options:
A. 25
B. 23
C. 16
D. 24 | B |
Question: What structure passes oxygen and nutrients to a growing fetus in mammals?
Options:
A. vas deferens
B. uterus
C. placenta
D. spinal cord | C |
Question: Light from a distant galaxy can travel different paths to the earth because it is bent around an intermediary galaxy by what?
Options:
A. variation
B. radiation
C. gravity
D. strength | C |
Question: What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia?
Options:
A. mushroom
B. yeast
C. fungus
D. mold | A |
Question: What branch of science aims to understand all about our planet and its environments?
Options:
A. immunology
B. petrology
C. earth science
D. biology | C |
Question: Prokaryotes are successful because of the ________ of reproduction in favorable environments
Options:
A. volume
B. order
C. speed
D. cycle | C |
Question: Where do benthos live in oceans?
Options:
A. On the ocean surface
B. In coral reefs
C. on the ocean floor
D. In deep water | C |
Question: Hundreds of organelles called myofibrils, made up of two types of protein filaments, are contained in each fiber of what?
Options:
A. hair
B. cartilage
C. muscle
D. bone | C |
Question: What is the largest known virus?
Options:
A. pneumonia virus
B. polyomavirus
C. mimivirus
D. influenza virus | C |
Question: The temperature at which something melts is refered to as what?
Options:
A. melting point
B. precipitation point
C. boiling point
D. evaporation point | A |
Question: Solid bedrock vibrates less and therefore does less of what to bedrock?
Options:
A. butress
B. block
C. dampen
D. damage | D |
Question: What branch of science is defined as the study of matter?
Options:
A. biology
B. geology
C. chemistry
D. astrophysics | C |
Question: What are animals that live with tiny zooxanthellae that also photosynthesize?
Options:
A. worms
B. fungi
C. coral
D. bacteria | C |
Question: What usually causes fractures on a bone?
Options:
A. excessive bending stress
B. shear stress
C. extra weight
D. compressive stress | A |
Question: What is the magnetic field traditionally referred to as?
Options:
A. spicule
B. bfield
C. m-field
D. charged field | B |
Question: What can ultimately result when species are introduced to a new place and prey on other species?
Options:
A. over population
B. depletion
C. elimination
D. extinction | D |
Question: In humans, what is the first organ to form and become functional?
Options:
A. pancreas
B. heart
C. liver
D. brain | B |
Question: What is used to classify tornadoes?
Options:
A. wind speed, damage
B. seismograph
C. damage, snowfall
D. humidity, rain | A |
Question: What do you call materials that have high resistance to electric current?
Options:
A. conductors
B. electric insulators
C. destructive insulators
D. semiconductors | B |
Question: What term is used to describe the development of new technology?
Options:
A. evident design
B. variation design
C. Smart Design
D. technological design | D |
Question: Cell walls, plastids, and a large central vacuole distinguish plant cells from what?
Options:
A. phloem cells
B. animal cells
C. parenchyma cells
D. eukaryotic cells | B |
Question: Snails, scallops, and squids are what type of invertebrate?
Options:
A. mollusk
B. algae
C. arthropod
D. crustacean | A |
Question: Humans create different breeds of organisms using what kind of selection?
Options:
A. artificial selection
B. biased selection
C. speciation
D. natural selection | A |
Question: The word antibiotic comes from the greek anti, meaning “against,” and bios, meaning this?
Options:
A. life
B. virus
C. germ
D. bacteria | A |
Question: What are sudden and dramatic losses of biodiversity called?
Options:
A. life extinction
B. mass extinction
C. normal extinction
D. explosive extinction | B |
Question: The ions in ionic compounds are arranged in rigid three-dimensional patterns called what?
Options:
A. core lattices
B. crystal lattices
C. lattice groups
D. pattern lattices | B |
Question: Where was the distinction between total distance traveled and displacement first noted?
Options:
A. Newton's first law
B. one-dimensional kinematics
C. uncertainty principle
D. string theory | B |
Question: What science is the study of the shape and arrangement of cells in tissue?
Options:
A. cellology
B. histology
C. genetics
D. methodology | B |
Question: What forms when a sperm fertilizes and egg?
Options:
A. proton
B. zygote
C. cytoplasm
D. crystals | B |
Question: The field of organic chemistry studies the structure and reactivity of compounds containing what element?
Options:
A. hydrogen
B. carbon
C. nitrogen
D. oxygen | B |
Question: Where does growth in length occur, above the root cap?
Options:
A. primary tuber
B. vascular cambrium
C. primary meristem
D. apical meristem | C |
Question: Asci are used by mycelia for what kind of reproduction?
Options:
A. asexual reproduction
B. mitosis
C. sexual
D. cloning | C |
Question: What is the term used to describe the liquid that moves through the vessels and includes plasma and the cells and sell fragments called platelets?
Options:
A. pus
B. water
C. bacteria
D. blood | D |
Question: The density of bone is, in part, related to the amount of what mineral in one’s diet?
Options:
A. nitrogen
B. calcium
C. potassium
D. barium | B |
Question: What is the sum of the masses of the atoms in a molecule?
Options:
A. mass effect
B. compound mass
C. atomic energy
D. molecular mass | D |
Question: Chloroplasts, leucoplasts and chromoplasts are found in what type of cells?
Options:
A. man-made cells
B. nitrogen cells
C. plant cells
D. animal cells | C |
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