q_id
stringlengths 6
6
⌀ | title
stringlengths 3
546
| selftext
stringlengths 0
4.44k
⌀ | category
stringclasses 12
values | subreddit
stringclasses 1
value | answers.a_id
listlengths 1
489
⌀ | answers.text
listlengths 1
4
| answers.score
listlengths 1
4
| answers.text_urls
listlengths 1
489
⌀ | title_urls
listlengths 1
1
⌀ | selftext_urls
listlengths 1
1
⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
null |
Which of the following is the correct answer to the question:
What are archaea that live in extremely hot environments called?
1. hemophiliacs
2. thermophiles
3. tardigrades
4. hypothermic
| null | null | null | null |
[
"hemophiliacs",
"thermophiles",
"tardigrades",
"hypothermic"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Warming conditions and, perhaps, human activities contributed to what fate of many organisms of the pleistocene era?
1. overpopulation
2. extinction
3. accumulation
4. evolution
| null | null | null | null |
[
"overpopulation",
"extinction",
"accumulation",
"evolution"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Practical limits of van de graaff generators arise because the large electric fields polarize and eventually do what to surrounding materials?
1. ionize
2. decompose
3. isolate
4. displace
| null | null | null | null |
[
"ionize",
"decompose",
"isolate",
"displace"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The remainder is transferred by contraction of what before the ventricles begin to contract?
1. the stomach
2. the arteries
3. the large intestine
4. the atria
| null | null | null | null |
[
"the stomach",
"the arteries",
"the large intestine",
"the atria"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Chromatin condenses into chromosomes during prophase, the first and longest phase of what process?
1. reproduction
2. mitosis
3. apoptosis
4. meiosis
| null | null | null | null |
[
"reproduction",
"mitosis",
"apoptosis",
"meiosis"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What do plants lose the most of through the stomata?
1. water
2. heat
3. chlorophyll
4. energy
| null | null | null | null |
[
"water",
"heat",
"chlorophyll",
"energy"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Unburned hydrocarbons can more easily be converted to carbon dioxide and water in the presence of a what?
1. methane
2. catalyst
3. temperature
4. Ethanol
| null | null | null | null |
[
"methane",
"catalyst",
"temperature",
"Ethanol"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What do plasmodesmata connect to in the plant cell?
1. cytoplasms
2. pores
3. nuclei
4. sporozoans
| null | null | null | null |
[
"cytoplasms",
"pores",
"nuclei",
"sporozoans"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are compounds composed of only two elements called?
1. symbiotic compounds
2. binary compounds
3. digital compounds
4. kinetic compounds
| null | null | null | null |
[
"symbiotic compounds",
"binary compounds",
"digital compounds",
"kinetic compounds"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What type of gases trap heat in the atmosphere, causing earth to have a moderate temperature?
1. greenhouse gases
2. ozone gases
3. carbon monoxides
4. sulfuric gases
| null | null | null | null |
[
"greenhouse gases",
"ozone gases",
"carbon monoxides",
"sulfuric gases"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What system is the brain the control center of?
1. circulatory
2. nervous
3. adrenal
4. fibrous
| null | null | null | null |
[
"circulatory",
"nervous",
"adrenal",
"fibrous"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Air pollution can cause disease of what system by affecting the health of your lungs?
1. digestive
2. cardiac
3. respiratory
4. excretory
| null | null | null | null |
[
"digestive",
"cardiac",
"respiratory",
"excretory"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Why does the body react to a loss of chloride ions?
1. decreased tricarbonate reabsorption
2. increased tricarbonate reabsorption
3. increased bicarbonate reabsorption
4. decreased bicarbonate reabsorption
| null | null | null | null |
[
"decreased tricarbonate reabsorption",
"increased tricarbonate reabsorption",
"increased bicarbonate reabsorption",
"decreased bicarbonate reabsorption"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The negatively charged electrons are attracted to the positively charged what?
1. ion
2. nucleus
3. axon
4. atom
| null | null | null | null |
[
"ion",
"nucleus",
"axon",
"atom"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Most of the gray matter is on the surface of the brain, surrounding what other type of matter?
1. blue
2. dark matter
3. corrugated
4. white
| null | null | null | null |
[
"blue",
"dark matter",
"corrugated",
"white"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Cooling or evaporation of what from the sea surface makes surface water dense?
1. warm water
2. dirty water
3. fresh water
4. salt water
| null | null | null | null |
[
"warm water",
"dirty water",
"fresh water",
"salt water"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is the term for reproductive cells, such as sperm and egg?
1. spores
2. parasites
3. gametes
4. nucleus
| null | null | null | null |
[
"spores",
"parasites",
"gametes",
"nucleus"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What material is regularly used in human hip and knee implants?
1. wood
2. glass
3. metal
4. coal
| null | null | null | null |
[
"wood",
"glass",
"metal",
"coal"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are the most dramatic, sudden, and dangerous types of mass wasting?
1. volcanoes
2. landslides
3. monsoons
4. earthquakes
| null | null | null | null |
[
"volcanoes",
"landslides",
"monsoons",
"earthquakes"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What current-carrying long coil of wire acts as a magnet?
1. converter
2. antenna
3. igniter
4. solenoid
| null | null | null | null |
[
"converter",
"antenna",
"igniter",
"solenoid"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
In combination or synthesis reactions, two chemical species combine to produce a what?
1. fusion
2. alloy
3. mixture
4. new compound
| null | null | null | null |
[
"fusion",
"alloy",
"mixture",
"new compound"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The core of a star collapses during what event, forming a neutron star?
1. spark
2. supernova
3. gravitational
4. blast
| null | null | null | null |
[
"spark",
"supernova",
"gravitational",
"blast"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is the term used for a large body of air of the same temperature and moisture conditions?
1. air mass
2. air group
3. sky mass
4. air pool
| null | null | null | null |
[
"air mass",
"air group",
"sky mass",
"air pool"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The loss of oxygen to the heart muscle causes that part of the tissue to what?
1. thrive
2. die
3. beat harder
4. beat erratically
| null | null | null | null |
[
"thrive",
"die",
"beat harder",
"beat erratically"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What system transports many substances to and from cells throughout the body?
1. cardiovascular
2. nutritional
3. circulatory
4. physiological
| null | null | null | null |
[
"cardiovascular",
"nutritional",
"circulatory",
"physiological"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What consists of two or more elements and forms as a result of a chemical reaction?
1. particle
2. protein
3. molecule
4. compound
| null | null | null | null |
[
"particle",
"protein",
"molecule",
"compound"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is occasional chest pain known as?
1. arrhythmia
2. angina pectoris
3. heart murmur
4. cardiac arrest
| null | null | null | null |
[
"arrhythmia",
"angina pectoris",
"heart murmur",
"cardiac arrest"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
In the cardiovascular system, where is the ultimate destination of the oxygen-poor blood?
1. brain
2. liver
3. lung
4. heart
| null | null | null | null |
[
"brain",
"liver",
"lung",
"heart"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is the study of the energy transformations that occur in a collection of matter?
1. geophysics
2. kinetics
3. fluctuations
4. thermodynamics
| null | null | null | null |
[
"geophysics",
"kinetics",
"fluctuations",
"thermodynamics"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Love canal was an infamous example of what type of pollution?
1. thermal pollution
2. Land Pollution
3. Visual Pollution
4. industrial waste dumping
| null | null | null | null |
[
"thermal pollution",
"Land Pollution",
"Visual Pollution",
"industrial waste dumping"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is a funnel-shaped cloud of whirling high winds known as?
1. volcano
2. tsunami
3. tornado
4. hurricane
| null | null | null | null |
[
"volcano",
"tsunami",
"tornado",
"hurricane"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Why do birds need a light-weight body?
1. for cooling
2. food shortages
3. water flotation
4. to stay aloft
| null | null | null | null |
[
"for cooling",
"food shortages",
"water flotation",
"to stay aloft"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Asthma, pneumonia, and emphysema are diseases of what system?
1. respiratory
2. reproductive
3. digestive
4. pulmonary
| null | null | null | null |
[
"respiratory",
"reproductive",
"digestive",
"pulmonary"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The “knee-jerk" motion that people involuntarily perform after being struck in the knee in a certain way is an example of what kind of behavior?
1. sensor
2. reflex
3. reaction
4. spasm
| null | null | null | null |
[
"sensor",
"reflex",
"reaction",
"spasm"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are tiny, hair like projections?
1. cilia
2. fuzz
3. actin
4. spinicles
| null | null | null | null |
[
"cilia",
"fuzz",
"actin",
"spinicles"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
How long does it take for the earth to make a complete rotation of its axis?
1. one month
2. 24.25 hours
3. 24 hours
4. one year
| null | null | null | null |
[
"one month",
"24.25 hours",
"24 hours",
"one year"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Glaciers have been melting since what period?
1. stone age
2. industrial age
3. bronze age
4. pleistocene ice age
| null | null | null | null |
[
"stone age",
"industrial age",
"bronze age",
"pleistocene ice age"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The transmission electron micrograph shows the cell walls where two cells do what?
1. reproduce
2. split apart
3. disappear
4. come together
| null | null | null | null |
[
"reproduce",
"split apart",
"disappear",
"come together"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What form does water take on the planet mars?
1. ice
2. gas
3. liquid
4. plasma
| null | null | null | null |
[
"ice",
"gas",
"liquid",
"plasma"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The simplest system is that of contractile vacuoles present in what?
1. macroorganisms
2. parasites
3. microorganisms
4. crystals
| null | null | null | null |
[
"macroorganisms",
"parasites",
"microorganisms",
"crystals"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Water's very polar compound causes most solutes to do what?
1. dissolve
2. combine
3. repel
4. gel
| null | null | null | null |
[
"dissolve",
"combine",
"repel",
"gel"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Which plant group has vascular tissue, seeds, and flowers?
1. angiosperms
2. microbes
3. spores
4. fungi
| null | null | null | null |
[
"angiosperms",
"microbes",
"spores",
"fungi"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The point in front of a mirror where the reflected rays intersect is known as what?
1. focal point
2. boundary point
3. periodic point
4. reflective point
| null | null | null | null |
[
"focal point",
"boundary point",
"periodic point",
"reflective point"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Any unused energy in food, whether it comes from carbohydrates, proteins, or lipids, is stored in the body where?
1. spleen
2. fat
3. bones
4. kidneys
| null | null | null | null |
[
"spleen",
"fat",
"bones",
"kidneys"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What helps determine the concentration of a species in a solution?
1. technical analysis
2. fundamental analysis
3. quantitative analysis
4. qualitative analysis
| null | null | null | null |
[
"technical analysis",
"fundamental analysis",
"quantitative analysis",
"qualitative analysis"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
In order to survive and maintain what state, an organism must quickly adapt to changing environmental conditions?
1. ketosis
2. homeostasis
3. acclimatization
4. regulation
| null | null | null | null |
[
"ketosis",
"homeostasis",
"acclimatization",
"regulation"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What crust is thinner and denser than continental crust?
1. oceanic
2. asteroid
3. land
4. coastal
| null | null | null | null |
[
"oceanic",
"asteroid",
"land",
"coastal"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are the antibodies an animal produces after exposure to a microbial antigen?
1. isolated
2. chimeric
3. polyclonal
4. monoclonal
| null | null | null | null |
[
"isolated",
"chimeric",
"polyclonal",
"monoclonal"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
How does heat travel from the sun to the earth?
1. through sound waves
2. through light waves
3. secondary radiation from the sun
4. thermal radiation from the sun
| null | null | null | null |
[
"through sound waves",
"through light waves",
"secondary radiation from the sun",
"thermal radiation from the sun"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What were the first life forms found on earth similar to?
1. ferns
2. bacteria
3. viruses
4. mold
| null | null | null | null |
[
"ferns",
"bacteria",
"viruses",
"mold"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Steel, bronze, and brass are examples of what?
1. compounds
2. oxides
3. alloys
4. chemicals
| null | null | null | null |
[
"compounds",
"oxides",
"alloys",
"chemicals"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
A pacemaker uses electrical shocks to stimulate the what to beat properly?
1. pancreas
2. liver
3. brain
4. heart
| null | null | null | null |
[
"pancreas",
"liver",
"brain",
"heart"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is the cloud of brown dust-like power that escapes when a puffball fungus is touched?
1. pollon
2. ions
3. spores
4. seeds
| null | null | null | null |
[
"pollon",
"ions",
"spores",
"seeds"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are the cone-like structures that contain sporangia called?
1. contrail
2. strobili
3. gametes
4. medulla
| null | null | null | null |
[
"contrail",
"strobili",
"gametes",
"medulla"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are considered to be the smallest particles of matter?
1. molecules
2. atoms
3. ions
4. cells
| null | null | null | null |
[
"molecules",
"atoms",
"ions",
"cells"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The mechanics of dynein-based bending involve a process that resembles what?
1. jumping
2. running
3. standing
4. walking
| null | null | null | null |
[
"jumping",
"running",
"standing",
"walking"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What type of creature is a scallop?
1. mollusk
2. insect
3. vertabrate
4. algae
| null | null | null | null |
[
"mollusk",
"insect",
"vertabrate",
"algae"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The risk of what is raised by overexposure to the sun?
1. brain cancer
2. particle cancer
3. flux cancer
4. skin cancer
| null | null | null | null |
[
"brain cancer",
"particle cancer",
"flux cancer",
"skin cancer"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Which artery enters the cranium through the carotid canal in the temporal bone?
1. venal artery
2. external carotid
3. atrial artery
4. internal carotid artery
| null | null | null | null |
[
"venal artery",
"external carotid",
"atrial artery",
"internal carotid artery"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
How are aquatic biomes often classified?
1. amount of light
2. amount of salt
3. amount of life
4. depth
| null | null | null | null |
[
"amount of light",
"amount of salt",
"amount of life",
"depth"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is the most abundant type of biological entity on the earth?
1. viruses
2. reptiles
3. bacteria
4. insects
| null | null | null | null |
[
"viruses",
"reptiles",
"bacteria",
"insects"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is the most diverse and abundant group of organisms on earth, numbering in the millions of trillions?
1. pathogens
2. pests
3. viruses
4. bacteria
| null | null | null | null |
[
"pathogens",
"pests",
"viruses",
"bacteria"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What kind of hormones are secreted by organs classified as gonads?
1. cortisol hormones
2. sex hormones
3. anterior hormones
4. growth hormones
| null | null | null | null |
[
"cortisol hormones",
"sex hormones",
"anterior hormones",
"growth hormones"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
An oxy-acetylene torch is an effective way to cut what?
1. plastic
2. wood
3. metal
4. coal
| null | null | null | null |
[
"plastic",
"wood",
"metal",
"coal"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are the infoldings of the inner membrane called?
1. ceranae
2. lineage
3. cristae
4. brickle
| null | null | null | null |
[
"ceranae",
"lineage",
"cristae",
"brickle"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
A channel protein is an example of what type of protein?
1. choice proteins
2. transport proteins
3. hemoglobin protein
4. component proteins
| null | null | null | null |
[
"choice proteins",
"transport proteins",
"hemoglobin protein",
"component proteins"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Eight of the hottest years on record have occurred since what year?
1. 2002
2. 1998
3. 1991
4. 1997
| null | null | null | null |
[
"2002",
"1998",
"1991",
"1997"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Average acceleration is the rate of change of what?
1. speed
2. velocity
3. direction
4. displacement
| null | null | null | null |
[
"speed",
"velocity",
"direction",
"displacement"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is studied to understand gene expression patterns in cells?
1. mutations
2. rna
3. dna
4. protein
| null | null | null | null |
[
"mutations",
"rna",
"dna",
"protein"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Ribosomes are produced in the nucleolus, and then transported to the what?
1. cytoplasm
2. cytoskeleton
3. cerebellum
4. nucleus
| null | null | null | null |
[
"cytoplasm",
"cytoskeleton",
"cerebellum",
"nucleus"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Ecosystem dynamics include more than the flow of energy and recycling of matter. ecosystems are also dynamic because they?
1. stay the same
2. recreate exactly alike
3. never move
4. change through time
| null | null | null | null |
[
"stay the same",
"recreate exactly alike",
"never move",
"change through time"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Muscle contraction requires repeated cycles of binding and what?
1. twisting
2. lunging
3. push
4. release
| null | null | null | null |
[
"twisting",
"lunging",
"push",
"release"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
An important chemical compound, which supplies living things with the energy they need to survive, is composed of carbon, oxygen and atoms of what other element?
1. hydrogen
2. nitrogen
3. calcium
4. magnesium
| null | null | null | null |
[
"hydrogen",
"nitrogen",
"calcium",
"magnesium"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What are the glands that secrete milk in a woman's breasts?
1. pituitary glands
2. lactic acids
3. primordial glands
4. mammary glands
| null | null | null | null |
[
"pituitary glands",
"lactic acids",
"primordial glands",
"mammary glands"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Like a thick cap covering the brain, the dura mater is a tough outer covering. the name comes from the latin for?
1. difficult mother
2. back mother
3. protecting mother
4. tough mother
| null | null | null | null |
[
"difficult mother",
"back mother",
"protecting mother",
"tough mother"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Which organisms get their energy source and carbon source from organic sources?
1. sporozoans
2. herbivores
3. ectomorphs
4. chemoheterotrophs
| null | null | null | null |
[
"sporozoans",
"herbivores",
"ectomorphs",
"chemoheterotrophs"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What natural disaster is california most linked with?
1. volcanoes
2. fires
3. hurricanes
4. earthquakes
| null | null | null | null |
[
"volcanoes",
"fires",
"hurricanes",
"earthquakes"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Small crustaceans exchange gases across thin areas of the cuticle; larger species have what to accomplish this?
1. gills
2. noses
3. pores
4. lungs
| null | null | null | null |
[
"gills",
"noses",
"pores",
"lungs"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The superior vena cava and the inferior vena cava are veins that return blood lacking what to the heart?
1. nitrogen
2. oxygen
3. carbon dioxide
4. hemoglobin
| null | null | null | null |
[
"nitrogen",
"oxygen",
"carbon dioxide",
"hemoglobin"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
There are only four possible bases that make up each dna nucleotide: adenine, guanine, thymine, and?
1. guarine
2. taurine
3. phenylalanine
4. cytosine
| null | null | null | null |
[
"guarine",
"taurine",
"phenylalanine",
"cytosine"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What affects the boiling point of water?
1. external pressure
2. internal pressure
3. latter pressure
4. heat source
| null | null | null | null |
[
"external pressure",
"internal pressure",
"latter pressure",
"heat source"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The average length of a woman’s menstrual cycle is what?
1. 16 days
2. 5 days
3. 19 days
4. 28 days
| null | null | null | null |
[
"16 days",
"5 days",
"19 days",
"28 days"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Water leaves ponds and lakes through evaporation and also as what?
1. influx
2. inflow
3. mid flow
4. outflow
| null | null | null | null |
[
"influx",
"inflow",
"mid flow",
"outflow"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is a biochemical compound that is a chain of amino acids called?
1. proteins
2. lipids
3. DNA
4. hormones
| null | null | null | null |
[
"proteins",
"lipids",
"DNA",
"hormones"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Each what is made of two identical sister chromatids?
1. helix
2. genome
3. chromosome
4. gene
| null | null | null | null |
[
"helix",
"genome",
"chromosome",
"gene"
] |
[
1,
1,
10,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Amino groups are found within amino acids, nicknamed the building blocks of what?
1. protons
2. lipids
3. carbohydrates
4. proteins
| null | null | null | null |
[
"protons",
"lipids",
"carbohydrates",
"proteins"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is the name of earth’s only natural satellite?
1. sun
2. moon
3. venus
4. titan
| null | null | null | null |
[
"sun",
"moon",
"venus",
"titan"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Which is the lightest of the widely used structural metals?
1. potassium
2. calcium
3. Metal
4. magnesium
| null | null | null | null |
[
"potassium",
"calcium",
"Metal",
"magnesium"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
When lava flows over a large area and cools, it creates a large, flat surface of what type of rock?
1. igneous
2. tidal
3. sedimentary
4. metamorphic
| null | null | null | null |
[
"igneous",
"tidal",
"sedimentary",
"metamorphic"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Examples of what process are evident in many biological systems because cells are surrounded by semipermeable membranes?
1. apoptosis
2. osmosis
3. photosynthesis
4. reproduction
| null | null | null | null |
[
"apoptosis",
"osmosis",
"photosynthesis",
"reproduction"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What does cartilage lack compared to bones, making it softer and less rigid?
1. calcium
2. potassium
3. protein
4. magnesium
| null | null | null | null |
[
"calcium",
"potassium",
"protein",
"magnesium"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What three forms does frozen precipitation take?
1. snow, sleet, freezing rain
2. hail, wind, typhoon
3. vapor, fog, ice
4. blizzard, frost, fog
| null | null | null | null |
[
"snow, sleet, freezing rain",
"hail, wind, typhoon",
"vapor, fog, ice",
"blizzard, frost, fog"
] |
[
10,
1,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What is a stream of moving water that flows through the ocean?
1. creek
2. current
3. waterfall
4. tidal wave
| null | null | null | null |
[
"creek",
"current",
"waterfall",
"tidal wave"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The elbow is an example of a what type of joint?
1. frame joint
2. hinge joint
3. toe joint
4. pipe joint
| null | null | null | null |
[
"frame joint",
"hinge joint",
"toe joint",
"pipe joint"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
The first leaves of most ferns appear curled up into what?
1. petals
2. fiddleheads
3. nanotubes
4. volatiles
| null | null | null | null |
[
"petals",
"fiddleheads",
"nanotubes",
"volatiles"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Electrophiles have a strong tendency to react with what?
1. acids
2. nucleophiles
3. resistors
4. neutrons
| null | null | null | null |
[
"acids",
"nucleophiles",
"resistors",
"neutrons"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What layered form of carbon is used as a lubricant and in pencils?
1. lead
2. graphite
3. copper
4. carbonite
| null | null | null | null |
[
"lead",
"graphite",
"copper",
"carbonite"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
What kind of solids have particles that are arranged in a regular repeating pattern?
1. carbon-based solids
2. salts
3. metabolic solids
4. crystalline solids
| null | null | null | null |
[
"carbon-based solids",
"salts",
"metabolic solids",
"crystalline solids"
] |
[
1,
1,
1,
10
] | null | null | null |
null |
Which of the following is the correct answer to the question:
During what in the small intestine do rings of smooth muscle repeatedly contract and then relax?
1. mitosis
2. segmentation
3. compression
4. contraction
| null | null | null | null |
[
"mitosis",
"segmentation",
"compression",
"contraction"
] |
[
1,
10,
1,
1
] | null | null | null |
null |
Which of the following is the correct answer to the question:
Acetyl-coa is formed from the breakdown of carbohydrates, lipids, and what else?
1. proteins
2. acids
3. hormones
4. hydrocarbons
| null | null | null | null |
[
"proteins",
"acids",
"hormones",
"hydrocarbons"
] |
[
10,
1,
1,
1
] | null | null | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.