q_id
stringlengths 6
6
⌀ | title
stringlengths 3
512
| selftext
stringlengths 0
4.44k
⌀ | category
stringclasses 12
values | subreddit
stringclasses 1
value | answers.a_id
sequencelengths 1
489
⌀ | answers.text
sequencelengths 1
4
| answers.score
sequencelengths 1
4
| answers.text_urls
sequencelengths 1
489
⌀ | title_urls
sequencelengths 1
1
⌀ | selftext_urls
sequencelengths 1
1
⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
null | Question: What substance flows over the land from precipitation or melting snow or ice?
Options:
A. lava
B. air
C. nitrogen
D. water
Answer: | null | null | null | null | [
"A. lava",
"B. air",
"C. nitrogen",
"D. water"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Most turtle bodies are covered by a special bony or cartilaginous shell developed from their what?
Options:
A. fins
B. spines
C. ribs
D. tails
Answer: | null | null | null | null | [
"A. fins",
"B. spines",
"C. ribs",
"D. tails"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What device uses an electromagnet to change electrical energy to kinetic energy?
Options:
A. public motor
B. electric motor
C. melodic motor
D. Magnetic motor.
Answer: | null | null | null | null | [
"A. public motor",
"B. electric motor",
"C. melodic motor",
"D. Magnetic motor."
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What causes the particles of medium to move parallel to the direction of the wave?
Options:
A. Sound waves.
B. longitudinal waves
C. mechanical waves
D. fluid waves
Answer: | null | null | null | null | [
"A. Sound waves.",
"B. longitudinal waves",
"C. mechanical waves",
"D. fluid waves"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles?
Options:
A. isotopes
B. ions
C. atoms
D. electrons
Answer: | null | null | null | null | [
"A. isotopes",
"B. ions",
"C. atoms",
"D. electrons"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What type of cell transmits electrical impulses in the nervous system?
Options:
A. trace cell
B. toxin cell
C. Large Cell
D. nerve cell
Answer: | null | null | null | null | [
"A. trace cell",
"B. toxin cell",
"C. Large Cell",
"D. nerve cell"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What is the force pushing a rocket called?
Options:
A. thrust
B. momentum
C. friction
D. direction
Answer: | null | null | null | null | [
"A. thrust",
"B. momentum",
"C. friction",
"D. direction"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: In headwater streams, what plant process is mostly attributed to algae that are growing on rocks?
Options:
A. symbiosis
B. reproduction
C. photosynthesis
D. mitosis
Answer: | null | null | null | null | [
"A. symbiosis",
"B. reproduction",
"C. photosynthesis",
"D. mitosis"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What is the term that refers to stored chemical energy in organic matter or wastes?
Options:
A. nuclear energy
B. potential energy
C. starch energy
D. biomass energy
Answer: | null | null | null | null | [
"A. nuclear energy",
"B. potential energy",
"C. starch energy",
"D. biomass energy"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: The process of photosynthesis ultimately gets powered by what kind of energy?
Options:
A. nonrenewable energy
B. biofuel
C. electricity
D. light
Answer: | null | null | null | null | [
"A. nonrenewable energy",
"B. biofuel",
"C. electricity",
"D. light"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: A binary molecular compound is a molecular compound that is composed of what?
Options:
A. two atoms
B. four elements
C. four atoms
D. two elements
Answer: | null | null | null | null | [
"A. two atoms",
"B. four elements",
"C. four atoms",
"D. two elements"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Within the first 8 weeks of gestation, a developing embryo establishes the rudimentary structures of all of its organs and tissues from the ectoderm, mesoderm, and endoderm. this process is called what?
Options:
A. organogenesis
B. biosynthesis
C. abiogenesis
D. parthenogenesis
Answer: | null | null | null | null | [
"A. organogenesis",
"B. biosynthesis",
"C. abiogenesis",
"D. parthenogenesis"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What goes through different larval stages?
Options:
A. sponges
B. octopuses
C. plants
D. crustaceans
Answer: | null | null | null | null | [
"A. sponges",
"B. octopuses",
"C. plants",
"D. crustaceans"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer?
Options:
A. exercise
B. drinking
C. diet
D. smoking
Answer: | null | null | null | null | [
"A. exercise",
"B. drinking",
"C. diet",
"D. smoking"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Monotremes, marsupials, and placental mammals are subclasses of what?
Options:
A. amphibians
B. birds
C. reptiles
D. mammals
Answer: | null | null | null | null | [
"A. amphibians",
"B. birds",
"C. reptiles",
"D. mammals"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What type of mammal gives birth to young that need to develop further in the mother's pouch after birth?
Options:
A. marsupials
B. humans
C. whales
D. aborigines
Answer: | null | null | null | null | [
"A. marsupials",
"B. humans",
"C. whales",
"D. aborigines"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What is the measure of how closely molecules are packed together?
Options:
A. density
B. frequency
C. volume
D. length
Answer: | null | null | null | null | [
"A. density",
"B. frequency",
"C. volume",
"D. length"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What is the leading cause of lung cancer?
Options:
A. heredity
B. chewing tobacco
C. tobacco smoke
D. tuberculosis
Answer: | null | null | null | null | [
"A. heredity",
"B. chewing tobacco",
"C. tobacco smoke",
"D. tuberculosis"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: The golgi removes some sugar monomers and substitutes others, producing a large variety of what?
Options:
A. proteins
B. fats
C. carbohydrates
D. electrolytes
Answer: | null | null | null | null | [
"A. proteins",
"B. fats",
"C. carbohydrates",
"D. electrolytes"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: Parenchymal, collenchymal, and sclerenchymal cells are associated with what types of living things?
Options:
A. plants
B. fungi
C. primates
D. parasites
Answer: | null | null | null | null | [
"A. plants",
"B. fungi",
"C. primates",
"D. parasites"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What is the name of the location in which a stream or river starts?
Options:
A. mouth
B. source
C. spring
D. shore
Answer: | null | null | null | null | [
"A. mouth",
"B. source",
"C. spring",
"D. shore"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What disease occurs when cells in the breast grow out of control and form a tumor?
Options:
A. adult breast growth
B. muscle cancer
C. muscular cyst
D. breast cancer
Answer: | null | null | null | null | [
"A. adult breast growth",
"B. muscle cancer",
"C. muscular cyst",
"D. breast cancer"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What process refers to the changes that occur in populations of living organisms over time?
Options:
A. evolution
B. spontaneous mutation
C. variation
D. adaptation
Answer: | null | null | null | null | [
"A. evolution",
"B. spontaneous mutation",
"C. variation",
"D. adaptation"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: Alkenes can react with what to form alcohols?
Options:
A. water
B. sugars
C. proteins
D. air
Answer: | null | null | null | null | [
"A. water",
"B. sugars",
"C. proteins",
"D. air"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: Wind blown sand contributes to what type of erosion?
Options:
A. filtration
B. sedimentary
C. vegetation
D. abrasion
Answer: | null | null | null | null | [
"A. filtration",
"B. sedimentary",
"C. vegetation",
"D. abrasion"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Bases are ionic compounds consisting of hydroxide ions and a what?
Options:
A. carbonate
B. sulfate
C. cation
D. cinion
Answer: | null | null | null | null | [
"A. carbonate",
"B. sulfate",
"C. cation",
"D. cinion"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What causes the menstrual cycle to be repeated?
Options:
A. ovaries
B. lack of fertilization
C. gravity
D. uteris
Answer: | null | null | null | null | [
"A. ovaries",
"B. lack of fertilization",
"C. gravity",
"D. uteris"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What happens when turgid cells in a nonwoody tissue push against each other?
Options:
A. the tissue melts
B. the tissue stiffens
C. the tissues merge
D. the tissue dies
Answer: | null | null | null | null | [
"A. the tissue melts",
"B. the tissue stiffens",
"C. the tissues merge",
"D. the tissue dies"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What is the waxy substance that epidermal cells secrete?
Options:
A. cuticle
B. bile
C. saliva
D. cellulose
Answer: | null | null | null | null | [
"A. cuticle",
"B. bile",
"C. saliva",
"D. cellulose"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What is the length of the route between two points?
Options:
A. direction
B. speed
C. velocity
D. distance
Answer: | null | null | null | null | [
"A. direction",
"B. speed",
"C. velocity",
"D. distance"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: According to the first law of thermodynamics, what can neither be created nor destroyed?
Options:
A. light
B. food
C. energy
D. fuel
Answer: | null | null | null | null | [
"A. light",
"B. food",
"C. energy",
"D. fuel"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What are the three primary pigment colors?
Options:
A. cyan, yellow, magenta
B. red, green, blue
C. red, white, blue
D. green, orange, purple
Answer: | null | null | null | null | [
"A. cyan, yellow, magenta",
"B. red, green, blue",
"C. red, white, blue",
"D. green, orange, purple"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: How do organophostbate pesticides work?
Options:
A. inhibiting reticulum
B. inhibiting cryptosporidium
C. inhibiting testosterone
D. inhibiting acetylcholinesterase
Answer: | null | null | null | null | [
"A. inhibiting reticulum",
"B. inhibiting cryptosporidium",
"C. inhibiting testosterone",
"D. inhibiting acetylcholinesterase"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: In the case of a light bulb, electricity is converted to light and what kind of energy?
Options:
A. abstract
B. chemical
C. thermal
D. nuclear
Answer: | null | null | null | null | [
"A. abstract",
"B. chemical",
"C. thermal",
"D. nuclear"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: Where in relation to the home, are levels of vocs found to be higher?
Options:
A. outdoors
B. in Fields
C. On slopes
D. indoors
Answer: | null | null | null | null | [
"A. outdoors",
"B. in Fields",
"C. On slopes",
"D. indoors"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Density and pressure of air decreases with what?
Options:
A. humidity
B. altitude
C. temperature
D. horizontal distance
Answer: | null | null | null | null | [
"A. humidity",
"B. altitude",
"C. temperature",
"D. horizontal distance"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: Energy is absorbed in the process of converting a liquid at its boiling point into a what?
Options:
A. gas
B. plasma
C. solid
D. mesh
Answer: | null | null | null | null | [
"A. gas",
"B. plasma",
"C. solid",
"D. mesh"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: Images in what type of mirror are reversed left and right but not reversed top and bottom?
Options:
A. plane mirror
B. convex
C. concave
D. virtual
Answer: | null | null | null | null | [
"A. plane mirror",
"B. convex",
"C. concave",
"D. virtual"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What do cells produce as they age?
Options:
A. oxidants
B. wrinkles
C. proto-oncogenes
D. carcinogens
Answer: | null | null | null | null | [
"A. oxidants",
"B. wrinkles",
"C. proto-oncogenes",
"D. carcinogens"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: The body of the simplest sponges takes the shape of a cylinder with a large central cavity, called?
Options:
A. spirogyra
B. spicule
C. vacuole
D. spongocoel
Answer: | null | null | null | null | [
"A. spirogyra",
"B. spicule",
"C. vacuole",
"D. spongocoel"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Laid on dry land by reptiles, amniotic eggs have what that prevents them from drying out?
Options:
A. waterproof membranes
B. oil coating
C. double yolks
D. double shells
Answer: | null | null | null | null | [
"A. waterproof membranes",
"B. oil coating",
"C. double yolks",
"D. double shells"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What three rs represent the steps that you personally can take to conserve our natural resources and minimize waste?
Options:
A. rinse, reuse, recycle
B. reduce, reuse, re-educate
C. remove, reduce, reuse
D. reduce, reuse, recycle
Answer: | null | null | null | null | [
"A. rinse, reuse, recycle",
"B. reduce, reuse, re-educate",
"C. remove, reduce, reuse",
"D. reduce, reuse, recycle"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What is the process that allows organisms with better traits to survive and produce?
Options:
A. succession
B. adaptation
C. natural selection
D. spontaneous mutation
Answer: | null | null | null | null | [
"A. succession",
"B. adaptation",
"C. natural selection",
"D. spontaneous mutation"
] | [
1,
1,
10,
1
] | null | null | null |
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. an acid
B. a catalyst
C. a contribute
D. a mechanism
Answer: | null | null | null | null | [
"A. an acid",
"B. a catalyst",
"C. a contribute",
"D. a mechanism"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What type of compounds can form crystals?
Options:
A. molecular compounds
B. magnetic compounds
C. ionic compounds
D. integral compounds
Answer: | null | null | null | null | [
"A. molecular compounds",
"B. magnetic compounds",
"C. ionic compounds",
"D. integral compounds"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: In grazing, a predator partially eats but does not kill what?
Options:
A. pack
B. time
C. predators
D. prey
Answer: | null | null | null | null | [
"A. pack",
"B. time",
"C. predators",
"D. prey"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Bone tissues include compact bone, spongy bone, bone marrow, and?
Options:
A. periosteum
B. cartilage
C. esophagus
D. epithelium
Answer: | null | null | null | null | [
"A. periosteum",
"B. cartilage",
"C. esophagus",
"D. epithelium"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What type of bacteria causes the disease called tuberculosis?
Options:
A. E. coli
B. mycobacterium
C. staphylococcus
D. streptococcus
Answer: | null | null | null | null | [
"A. E. coli",
"B. mycobacterium",
"C. staphylococcus",
"D. streptococcus"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: Studies have shown that not only does reproduction have a cost as far as how long male fruit flies live, but also fruit flies that have already mated several times have limited amounts of this?
Options:
A. chromosomes
B. sperm
C. eggs
D. dna
Answer: | null | null | null | null | [
"A. chromosomes",
"B. sperm",
"C. eggs",
"D. dna"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What are the two most common causes of diseases?
Options:
A. bacteria and viruses
B. viruses and protazoa
C. nutritional deficiencies
D. bacteria and protazoa
Answer: | null | null | null | null | [
"A. bacteria and viruses",
"B. viruses and protazoa",
"C. nutritional deficiencies",
"D. bacteria and protazoa"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: Organic compounds are defined as covalently bonded compounds containing carbon, excluding carbonates and what else?
Options:
A. acids
B. crystals
C. oxides
D. gases
Answer: | null | null | null | null | [
"A. acids",
"B. crystals",
"C. oxides",
"D. gases"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What drives the turbine in a thermonuclear reactor?
Options:
A. heated oil
B. wind energy
C. heated water or steam
D. magnets
Answer: | null | null | null | null | [
"A. heated oil",
"B. wind energy",
"C. heated water or steam",
"D. magnets"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids?
Options:
A. endocrinologists
B. virologists
C. vaccinologists
D. immunologists
Answer: | null | null | null | null | [
"A. endocrinologists",
"B. virologists",
"C. vaccinologists",
"D. immunologists"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Where are temperatures the lowest?
Options:
A. over the oceans
B. at the equator
C. in asia
D. at the poles
Answer: | null | null | null | null | [
"A. over the oceans",
"B. at the equator",
"C. in asia",
"D. at the poles"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Protecting the surface of metal prevents what?
Options:
A. diffusion
B. extraction
C. evaporation
D. corrosion
Answer: | null | null | null | null | [
"A. diffusion",
"B. extraction",
"C. evaporation",
"D. corrosion"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What type of tissues are major barriers to the entry of pathogens into the body?
Options:
A. nasal
B. mucosal
C. vascular
D. skin
Answer: | null | null | null | null | [
"A. nasal",
"B. mucosal",
"C. vascular",
"D. skin"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: Trash that gets into fresh and saltwater waterways is called what type of debris?
Options:
A. pollution
B. ocean
C. aquatic
D. water
Answer: | null | null | null | null | [
"A. pollution",
"B. ocean",
"C. aquatic",
"D. water"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What is the term for genes that control the expression of other genes within specific regions of cells in the developing organism?
Options:
A. gap genes
B. age genes
C. expression genes
D. data genes
Answer: | null | null | null | null | [
"A. gap genes",
"B. age genes",
"C. expression genes",
"D. data genes"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: In vertebrates, what tissue is a type of connective tissue that supports the entire body structure?
Options:
A. cartilage
B. collagen
C. blood
D. bone
Answer: | null | null | null | null | [
"A. cartilage",
"B. collagen",
"C. blood",
"D. bone"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Red blood cells don't have a nucleus. this allows them to do what?
Options:
A. move faster
B. heal faster
C. be redder
D. carry more oxygen
Answer: | null | null | null | null | [
"A. move faster",
"B. heal faster",
"C. be redder",
"D. carry more oxygen"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: The number of electron pairs that hold two atoms together is called?
Options:
A. nuclear order
B. bond order
C. electron order
D. proton order
Answer: | null | null | null | null | [
"A. nuclear order",
"B. bond order",
"C. electron order",
"D. proton order"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What occurs when the immune system makes an inflammatory response to a harmless antigen?
Options:
A. allergies
B. immunity
C. antibodies
D. asthma attack
Answer: | null | null | null | null | [
"A. allergies",
"B. immunity",
"C. antibodies",
"D. asthma attack"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What energy source, now making a comeback, has helped propel ships and pump water for many years?
Options:
A. weather energy
B. geothermal energy
C. wind energy
D. solar energy
Answer: | null | null | null | null | [
"A. weather energy",
"B. geothermal energy",
"C. wind energy",
"D. solar energy"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What is it called when the nucleus of an atom splits into two smaller nuclei?
Options:
A. nuclear fission
B. nuclear fusion
C. cell division
D. complex fission
Answer: | null | null | null | null | [
"A. nuclear fission",
"B. nuclear fusion",
"C. cell division",
"D. complex fission"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: The curie (ci) is one measure of the rate of what?
Options:
A. division
B. growth
C. spin
D. decay
Answer: | null | null | null | null | [
"A. division",
"B. growth",
"C. spin",
"D. decay"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: A unique type of organism is also known as what?
Options:
A. taxonomy
B. element
C. parasites
D. species
Answer: | null | null | null | null | [
"A. taxonomy",
"B. element",
"C. parasites",
"D. species"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Snakes use what anatomical structure to smell scents in the air?
Options:
A. forked tongue
B. forked eyes
C. branched tongue
D. forked tails
Answer: | null | null | null | null | [
"A. forked tongue",
"B. forked eyes",
"C. branched tongue",
"D. forked tails"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What chemical element helps forms strong bones and teeth in humans?
Options:
A. calcium
B. magnesium
C. potassium
D. iron
Answer: | null | null | null | null | [
"A. calcium",
"B. magnesium",
"C. potassium",
"D. iron"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: The limit to how much solute will dissolve in a given amount of solvent is called what?
Options:
A. density
B. strength
C. potency
D. solubility
Answer: | null | null | null | null | [
"A. density",
"B. strength",
"C. potency",
"D. solubility"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What occurs when hot magma transforms rock that it contacts?
Options:
A. contact metamorphism
B. form metamorphism
C. changing metamorphism
D. existence metamorphism
Answer: | null | null | null | null | [
"A. contact metamorphism",
"B. form metamorphism",
"C. changing metamorphism",
"D. existence metamorphism"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What term refers to entities, events or powers regarded as being beyond nature, and cannot be explained by scientific means?
Options:
A. supernatural
B. fictional
C. hypothetical
D. natural
Answer: | null | null | null | null | [
"A. supernatural",
"B. fictional",
"C. hypothetical",
"D. natural"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What causes an elastic force in springs?
Options:
A. stretching or compressing
B. freezing
C. velocity
D. momentum
Answer: | null | null | null | null | [
"A. stretching or compressing",
"B. freezing",
"C. velocity",
"D. momentum"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What effect is responsible for flight paths looking curved?
Options:
A. coriolis effect
B. volumetric effect
C. tonal effect
D. resonant effect
Answer: | null | null | null | null | [
"A. coriolis effect",
"B. volumetric effect",
"C. tonal effect",
"D. resonant effect"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: Wetlands are environments in which the soil is either permanently or periodically saturated with what?
Options:
A. spores
B. water
C. oil
D. hydrogen
Answer: | null | null | null | null | [
"A. spores",
"B. water",
"C. oil",
"D. hydrogen"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: When the ground absorbs the water and it settles below the surface it is called what?
Options:
A. glacier
B. groundwater
C. wastewater
D. precipitation
Answer: | null | null | null | null | [
"A. glacier",
"B. groundwater",
"C. wastewater",
"D. precipitation"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: Some metabolic pathways release what by breaking down complex molecules to simpler compounds?
Options:
A. hydrogen
B. energy
C. fat
D. water
Answer: | null | null | null | null | [
"A. hydrogen",
"B. energy",
"C. fat",
"D. water"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What is the smallest portion of a crystal lattice?
Options:
A. ionic cell
B. function cell
C. element cell
D. unit cell
Answer: | null | null | null | null | [
"A. ionic cell",
"B. function cell",
"C. element cell",
"D. unit cell"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What is one major cause of skin cancer?
Options:
A. visible light
B. sunscreen
C. infrared light
D. ultraviolet light
Answer: | null | null | null | null | [
"A. visible light",
"B. sunscreen",
"C. infrared light",
"D. ultraviolet light"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Which important decomposers are known to live just about anywhere on earth?
Options:
A. protazoas
B. viruses
C. sporozoans
D. archeans
Answer: | null | null | null | null | [
"A. protazoas",
"B. viruses",
"C. sporozoans",
"D. archeans"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: In the scientific method, what is the initial, unproven explanation for why something is occurring?
Options:
A. hypothesis
B. idea
C. theories
D. concepts
Answer: | null | null | null | null | [
"A. hypothesis",
"B. idea",
"C. theories",
"D. concepts"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What is the name of an element with a different number of neutrons?
Options:
A. mineral
B. reaction
C. solution
D. isotope
Answer: | null | null | null | null | [
"A. mineral",
"B. reaction",
"C. solution",
"D. isotope"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Nitrogen and sulfur oxides form what type of rain?
Options:
A. acid rain
B. heavy rain
C. toxic rain
D. common rain
Answer: | null | null | null | null | [
"A. acid rain",
"B. heavy rain",
"C. toxic rain",
"D. common rain"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: Polyester fabric's resistance to wrinkling comes from the cross-linking of what?
Options:
A. velocity strands
B. algae strands
C. polymer strands
D. wool strands
Answer: | null | null | null | null | [
"A. velocity strands",
"B. algae strands",
"C. polymer strands",
"D. wool strands"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What term refers to the sequence of community and ecosystem changes after a disturbance?
Options:
A. ecological succession
B. physiological succession
C. progressions
D. disturbance succession
Answer: | null | null | null | null | [
"A. ecological succession",
"B. physiological succession",
"C. progressions",
"D. disturbance succession"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What is the network of fibers that organizes structures and activities in the cell called?
Options:
A. cytoplasm
B. enzymes
C. DNA
D. cytoskeleton
Answer: | null | null | null | null | [
"A. cytoplasm",
"B. enzymes",
"C. DNA",
"D. cytoskeleton"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Decreasing the volume of a gas and keeping everything else the same will cause its pressure to change in what way?
Options:
A. increase
B. heat up
C. decrease
D. lower
Answer: | null | null | null | null | [
"A. increase",
"B. heat up",
"C. decrease",
"D. lower"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What evolutionary strategy enables substantial activity during sleep for some animals?
Options:
A. hibernation
B. adaptation
C. mutation
D. reproduction
Answer: | null | null | null | null | [
"A. hibernation",
"B. adaptation",
"C. mutation",
"D. reproduction"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: The cells of the blastocyst form an inner cell mass called the what?
Options:
A. chloroplast
B. blastocyst
C. embryoblast
D. xerophyte
Answer: | null | null | null | null | [
"A. chloroplast",
"B. blastocyst",
"C. embryoblast",
"D. xerophyte"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: How do all musical instruments create sound?
Options:
A. condensation
B. conduction
C. vibration
D. stimulation
Answer: | null | null | null | null | [
"A. condensation",
"B. conduction",
"C. vibration",
"D. stimulation"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What system disorders include kidney stones, kidney failure, and urinary tract infections?
Options:
A. urinary system
B. nervous system
C. renal system
D. digestive system
Answer: | null | null | null | null | [
"A. urinary system",
"B. nervous system",
"C. renal system",
"D. digestive system"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What type of respiration has the advantage of releasing more energy?
Options:
A. aerobic
B. elastic
C. anaerobic
D. kinetic
Answer: | null | null | null | null | [
"A. aerobic",
"B. elastic",
"C. anaerobic",
"D. kinetic"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: Major climate types are based on what two things?
Options:
A. temperature & precipitation
B. topography & temperature
C. oxygen & precipitation
D. environment & precipitation
Answer: | null | null | null | null | [
"A. temperature & precipitation",
"B. topography & temperature",
"C. oxygen & precipitation",
"D. environment & precipitation"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: When amino acids bind together, they form a long chain called what, which is an essential component of protein?
Options:
A. lipids
B. polypeptide
C. peptide
D. enzyme
Answer: | null | null | null | null | [
"A. lipids",
"B. polypeptide",
"C. peptide",
"D. enzyme"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What type of cells does meiosis produce?
Options:
A. mutated cells
B. diploid daughter cells
C. child cells
D. haploid daughter cells
Answer: | null | null | null | null | [
"A. mutated cells",
"B. diploid daughter cells",
"C. child cells",
"D. haploid daughter cells"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general?
Options:
A. trophic
B. barren
C. prokaryotic
D. photosynthetic
Answer: | null | null | null | null | [
"A. trophic",
"B. barren",
"C. prokaryotic",
"D. photosynthetic"
] | [
1,
1,
10,
1
] | null | null | null |
null | Question: What happens to most of the energy in a trophic level as it passes to the next higher level?
Options:
A. it stays the same
B. it is transferred
C. it increases
D. it is lost
Answer: | null | null | null | null | [
"A. it stays the same",
"B. it is transferred",
"C. it increases",
"D. it is lost"
] | [
1,
1,
1,
10
] | null | null | null |
null | Question: What is the name for a specific amount of solute that can dissolve in a given amount of solvent?
Options:
A. concentration
B. solubility
C. humidity
D. viscosity
Answer: | null | null | null | null | [
"A. concentration",
"B. solubility",
"C. humidity",
"D. viscosity"
] | [
1,
10,
1,
1
] | null | null | null |
null | Question: What is freshwater below the earth's surface called?
Options:
A. groundwater
B. sediment
C. precipitation
D. geyser
Answer: | null | null | null | null | [
"A. groundwater",
"B. sediment",
"C. precipitation",
"D. geyser"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What forms when crystals precipitate out from a liquid?
Options:
A. chemical sedimentary rocks
B. liquid sedimentary rocks
C. plants sedimentary rocks
D. plasma sedimentary rocks
Answer: | null | null | null | null | [
"A. chemical sedimentary rocks",
"B. liquid sedimentary rocks",
"C. plants sedimentary rocks",
"D. plasma sedimentary rocks"
] | [
10,
1,
1,
1
] | null | null | null |
null | Question: What do people build to protect areas from floods?
Options:
A. drains
B. reinforced walls
C. sewers
D. dams
Answer: | null | null | null | null | [
"A. drains",
"B. reinforced walls",
"C. sewers",
"D. dams"
] | [
1,
1,
1,
10
] | null | null | null |