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: After citric acid forms, it goes through a series of reactions that release what, which is then captured in special molecules? 1. hydrogen 2. metabolytes 3. energy 4. chlorophyll
null
null
null
null
[ "hydrogen", "metabolytes", "energy", "chlorophyll" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: All chemical changes involve a transfer of what? 1. hydrogen 2. pressure 3. energy 4. nitrogen
null
null
null
null
[ "hydrogen", "pressure", "energy", "nitrogen" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The normal response of the respiratory system to elevated ph is to increase the amount of what in the blood? 1. co2 2. red blood cells 3. glucose 4. acid
null
null
null
null
[ "co2", "red blood cells", "glucose", "acid" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What part of an atom is electrically neutral? 1. neutrons 2. electrons 3. protons 4. newtons
null
null
null
null
[ "neutrons", "electrons", "protons", "newtons" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Bar, circle, and line are all types of what? 1. algorithms 2. theories 3. maps 4. graphs
null
null
null
null
[ "algorithms", "theories", "maps", "graphs" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Unlike eukaryotic cells, dna and rna synthesis in prokaryotic cells occurs together with synthesis of what? 1. mutation 2. protein 3. membrane 4. fruit
null
null
null
null
[ "mutation", "protein", "membrane", "fruit" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of bacteria are sometimes used as weapons of bioterrorism? 1. carcinogenic 2. avian 3. hypothermic 4. pathogenic
null
null
null
null
[ "carcinogenic", "avian", "hypothermic", "pathogenic" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the name of a joint in which one bone rotates in relation to another bone? 1. pivot joint 2. gliding 3. ball and socket 4. hinge
null
null
null
null
[ "pivot joint", "gliding", "ball and socket", "hinge" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Cirrus, stratus, and cumulus are types of what? 1. clouds 2. slopes 3. plants 4. storms
null
null
null
null
[ "clouds", "slopes", "plants", "storms" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is a buildup of electric charges on objects? 1. wattage 2. static 3. conduction 4. potential
null
null
null
null
[ "wattage", "static", "conduction", "potential" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Where do you find the greatest biodiversity? 1. in shallow lakes 2. in the tropics 3. at the poles 4. in the tundra
null
null
null
null
[ "in shallow lakes", "in the tropics", "at the poles", "in the tundra" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The ostwald process is the commercial method for producing what? 1. nitric acid 2. deoxyribonucleic acid 3. citric acid 4. chlorine
null
null
null
null
[ "nitric acid", "deoxyribonucleic acid", "citric acid", "chlorine" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What includes the bones and cartilage? 1. lungs 2. skeleton 3. fossil 4. skull
null
null
null
null
[ "lungs", "skeleton", "fossil", "skull" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of constraints are placed on technological design? 1. moral and legal 2. physical and legal 3. physical and social 4. legal and social
null
null
null
null
[ "moral and legal", "physical and legal", "physical and social", "legal and social" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What cycle is the second stage of cellular respiration? 1. electron transport chain 2. sodium potassium pump 3. krebs cycle 4. glycolysis
null
null
null
null
[ "electron transport chain", "sodium potassium pump", "krebs cycle", "glycolysis" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What phenomenon can cause a protein in an organism to be made incorrectly? 1. mutation 2. allele 3. heredity 4. evolution
null
null
null
null
[ "mutation", "allele", "heredity", "evolution" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What are mid-wavelength electromagnetic waves commonly referred to as? 1. gamma rays 2. light 3. x-rays 4. electricity
null
null
null
null
[ "gamma rays", "light", "x-rays", "electricity" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Bronchial tubes in the lungs branch into ever-smaller structures, finally ending in alveoli. the alveoli act like what? 1. bellows 2. tiny bubbles 3. springs 4. filters
null
null
null
null
[ "bellows", "tiny bubbles", "springs", "filters" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What can be used to accelerate the rate at which chemical reactions occur? 1. components 2. hormones 3. enzymes 4. protein
null
null
null
null
[ "components", "hormones", "enzymes", "protein" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Air temperature changes as what increases? 1. salinity 2. pressure 3. altitude 4. density
null
null
null
null
[ "salinity", "pressure", "altitude", "density" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What happens to energy in a closed system? 1. is destroyed 2. is wasted 3. is replicated 4. is conserved
null
null
null
null
[ "is destroyed", "is wasted", "is replicated", "is conserved" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What are magnetites naturally attracted to? 1. aluminum 2. iron 3. glass 4. stone
null
null
null
null
[ "aluminum", "iron", "glass", "stone" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The visceral senses are most often below the limit of conscious perception because they are involved in this? 1. sensory balance 2. homeostatic regulation 3. homeostatic manipulation 4. subtle regulation
null
null
null
null
[ "sensory balance", "homeostatic regulation", "homeostatic manipulation", "subtle regulation" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The ideal gas law does not require that the properties of what? 1. copper change 2. transit change 3. gas change 4. liquid change
null
null
null
null
[ "copper change", "transit change", "gas change", "liquid change" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Vertebrates lacking what structures often use lungs for gas exchange? 1. spores 2. gills 3. pores 4. nostrils
null
null
null
null
[ "spores", "gills", "pores", "nostrils" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What "kind" of water may take longer to become contaminated than surface water, while the natural cleaning process may take longer? 1. spring water 2. lake water 3. dam water 4. groundwater
null
null
null
null
[ "spring water", "lake water", "dam water", "groundwater" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Long-term storage of what element occurs when matter from living organisms is buried deep underground and becomes fossilized? 1. hydrogen 2. oxygen 3. carbon 4. Nitrogen
null
null
null
null
[ "hydrogen", "oxygen", "carbon", "Nitrogen" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Electron configurations are a shorthand method of indicating what subshells electrons occupy in these? 1. atoms 2. acids 3. molecules 4. solutions
null
null
null
null
[ "atoms", "acids", "molecules", "solutions" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Light emitted by atoms is polychromatic—containing more than one of these? 1. filter 2. weight 3. gravity 4. wavelength
null
null
null
null
[ "filter", "weight", "gravity", "wavelength" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What fatty material inside arteries can restrict blood flow in the artery? 1. cholesterol 2. plaque 3. collagen 4. marble
null
null
null
null
[ "cholesterol", "plaque", "collagen", "marble" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is used to record seismic waves? 1. transmitter 2. topometer 3. seismograph 4. odometer
null
null
null
null
[ "transmitter", "topometer", "seismograph", "odometer" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What does a solar power plant turn sunlight into? 1. machinery 2. electricity 3. mechanical energy 4. batteries
null
null
null
null
[ "machinery", "electricity", "mechanical energy", "batteries" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Moving electrons have a form of kinetic energy called what? 1. electromagnetism 2. electrical energy 3. potential energy 4. deformed energy
null
null
null
null
[ "electromagnetism", "electrical energy", "potential energy", "deformed energy" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Sunlight contains many different wavelengths, which you see when they separate into what? 1. sounds 2. charges 3. rainbow 4. shadows
null
null
null
null
[ "sounds", "charges", "rainbow", "shadows" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The study of how organisms develop is known as? 1. physics 2. embryology 3. ethology 4. botany
null
null
null
null
[ "physics", "embryology", "ethology", "botany" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of force always opposes the direction of motion? 1. binary friction 2. harmonic friction 3. kinetic friction 4. strong force
null
null
null
null
[ "binary friction", "harmonic friction", "kinetic friction", "strong force" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What kind of energy is released when the nucleus of an atom is split? 1. atomic 2. nuclear 3. microwave 4. kinetic
null
null
null
null
[ "atomic", "nuclear", "microwave", "kinetic" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: When did we learn there was a hole in the ozone layer? 1. 1990's 2. 1970s 3. 1980s 4. 1950s
null
null
null
null
[ "1990's", "1970s", "1980s", "1950s" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of generators use electromagnetic induction to change kinetic energy to electrical energy? 1. electric generators 2. conductors 3. thermal generators 4. radiators
null
null
null
null
[ "electric generators", "conductors", "thermal generators", "radiators" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: In the simple cubic system, the atoms or ions are located in which part of the cell? 1. plasma 2. corners 3. mitochondria 4. walls
null
null
null
null
[ "plasma", "corners", "mitochondria", "walls" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What are the earliest and simplest vertebrates? 1. birds 2. bears 3. whales 4. fish
null
null
null
null
[ "birds", "bears", "whales", "fish" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Behaviors are responses to stimuli. they can either be instinctual/innate behaviors, which are not influenced by the environment, or learned behaviors, which are influenced by this? 1. environmental changes 2. osmosis 3. spontaneous mutation 4. inheritance
null
null
null
null
[ "environmental changes", "osmosis", "spontaneous mutation", "inheritance" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Gram-positive and gram-negative bacteria are distinguished by thickness of what? 1. cell weight 2. cell wall 3. cell length 4. cell membrane
null
null
null
null
[ "cell weight", "cell wall", "cell length", "cell membrane" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is common in muscles that have become exhausted by use? 1. lactic acid fermentation 2. vibration acid fermentation 3. clumps acid fermentation 4. Blood Acid Fermentation
null
null
null
null
[ "lactic acid fermentation", "vibration acid fermentation", "clumps acid fermentation", "Blood Acid Fermentation" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is another term for the early larval stage of a frog? 1. tadpole 2. ovary 3. egg 4. young
null
null
null
null
[ "tadpole", "ovary", "egg", "young" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The release of an egg from an ovary, is part of what cycle? 1. menstrual 2. stomach 3. fetal 4. life
null
null
null
null
[ "menstrual", "stomach", "fetal", "life" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Which part of the body shows does horner's syndrome affect? 1. the mouth 2. one eye 3. the tongue 4. the nose
null
null
null
null
[ "the mouth", "one eye", "the tongue", "the nose" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: In which way to vertebrates reproduces? 1. biologically 2. asexually 3. anally 4. sexually
null
null
null
null
[ "biologically", "asexually", "anally", "sexually" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What contains more calcium than any other organ? 1. lungs 2. bones 3. gall bladder 4. fingernails
null
null
null
null
[ "lungs", "bones", "gall bladder", "fingernails" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: One of the main features all vetebrates have in common is what? 1. skeleton 2. brain 3. hard shell 4. backbone
null
null
null
null
[ "skeleton", "brain", "hard shell", "backbone" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Cytoplasmic determinants are distributed how in unfertilized eggs? 1. from left to right 2. unevenly 3. symmetrically 4. evenly
null
null
null
null
[ "from left to right", "unevenly", "symmetrically", "evenly" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What relatively new addition to and highest level of the system of taxonomic classification includes just three divisions, the eukarya, the archaea, and the bacteria? 1. content 2. domain 3. element 4. branch
null
null
null
null
[ "content", "domain", "element", "branch" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is only effective if ventilation is matched to blood flow through alveolar capillaries? 1. breathing control 2. iron lung 3. blood pressur control 4. assisted breathing
null
null
null
null
[ "breathing control", "iron lung", "blood pressur control", "assisted breathing" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What sprouts up on stalks from the bed of moss gametophytes? 1. sporophytes 2. monocots 3. fibroblasts 4. stomata
null
null
null
null
[ "sporophytes", "monocots", "fibroblasts", "stomata" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Like all chordates, vertebrates are animals with four defining traits, at least during which stage? 1. pupal 2. adult 3. embryonic 4. larval
null
null
null
null
[ "pupal", "adult", "embryonic", "larval" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What occurs when two waves combine and cancel each other out? 1. terrible interference 2. primitive interference 3. destructive interference 4. molecular interference
null
null
null
null
[ "terrible interference", "primitive interference", "destructive interference", "molecular interference" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What occurs when the crests of one wave overlap the troughs, or lowest points, of another wave? 1. constructive interference 2. harmful interference 3. random interference 4. destructive interference
null
null
null
null
[ "constructive interference", "harmful interference", "random interference", "destructive interference" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What system in both males and females consists of structures that produce reproductive cells, or gametes, and secrete sex hormone? 1. circulatory system 2. reproductive 3. digestion 4. immune system
null
null
null
null
[ "circulatory system", "reproductive", "digestion", "immune system" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of creature is noted for having its eyes at the tips of stalks or tentacles that emerge from its head? 1. arachnids 2. gastropods 3. corals 4. arthropods
null
null
null
null
[ "arachnids", "gastropods", "corals", "arthropods" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What were the first animals to have true lungs and limbs for life on land? 1. reptiles 2. amphibians 3. birds 4. mammals
null
null
null
null
[ "reptiles", "amphibians", "birds", "mammals" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What do they call 2,2,4-trimethylpentane in the gasoline industry? 1. methane 2. isooctane 3. spirogyra 4. xerophyte
null
null
null
null
[ "methane", "isooctane", "spirogyra", "xerophyte" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What do we call any way that animals act, either alone or with other animals. 1. animal habits 2. animal communication 3. typical behavior 4. animal behavior
null
null
null
null
[ "animal habits", "animal communication", "typical behavior", "animal behavior" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: When waves of two different frequencies interfere, what phenomenon occurs? 1. making 2. beating 3. soaking 4. opening
null
null
null
null
[ "making", "beating", "soaking", "opening" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Further transformation occurs during organogenesis, the formation of what? 1. muscles 2. arteries 3. bones 4. organs
null
null
null
null
[ "muscles", "arteries", "bones", "organs" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Each antibody can bind with just one specific type of what, resulting in a signal for a phagocyte to destroy them? 1. immunogen 2. antigen 3. adhesion 4. pathogen
null
null
null
null
[ "immunogen", "antigen", "adhesion", "pathogen" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What kind of surface temperature is found on venus? 1. a little hot 2. cool 3. cold 4. extremely high
null
null
null
null
[ "a little hot", "cool", "cold", "extremely high" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of resource is limited in supply and cannot be replaced except over millions of years? 1. capital resources 2. renewable energy 3. human resources 4. natural resource
null
null
null
null
[ "capital resources", "renewable energy", "human resources", "natural resource" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: The name of the cation comes first, followed by the name of the anion, in what kind of compound? 1. covalent bonds 2. ionic compound 3. localized compound 4. magnetic compound
null
null
null
null
[ "covalent bonds", "ionic compound", "localized compound", "magnetic compound" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Electromagnetic radiation is a form of what? 1. wave 2. fuel 3. energy 4. fusion
null
null
null
null
[ "wave", "fuel", "energy", "fusion" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What are the cells or structures that detect sensations? 1. hormones 2. proteins 3. membranes 4. receptors
null
null
null
null
[ "hormones", "proteins", "membranes", "receptors" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What artificial process involves making an exact copy of a gene? 1. ribosome cloning 2. candidate cloning 3. gene cloning 4. material cloning
null
null
null
null
[ "ribosome cloning", "candidate cloning", "gene cloning", "material cloning" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Deer ticks are the vectors for what disease that affects humans? 1. malaria 2. dengue fever 3. ringworm 4. lyme disease
null
null
null
null
[ "malaria", "dengue fever", "ringworm", "lyme disease" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: A highway that switches back and forth as it climbs up a steep hillside, yeilding a much gentler slope, is an example of what simple machine? 1. inclined plane 2. pulley 3. wheel 4. lever
null
null
null
null
[ "inclined plane", "pulley", "wheel", "lever" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The loss of too much blood may lead to shock of what system? 1. heart 2. circulatory 3. nervous 4. Circular
null
null
null
null
[ "heart", "circulatory", "nervous", "Circular" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the tectonic zone called where two plates come together? 1. precursors boundary 2. lateral boundary 3. paralleled boundary 4. convergent boundary
null
null
null
null
[ "precursors boundary", "lateral boundary", "paralleled boundary", "convergent boundary" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: The mild oxidation of thiols gives compounds called what? 1. halides 2. carbonates 3. disulfides 4. dioxides
null
null
null
null
[ "halides", "carbonates", "disulfides", "dioxides" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the structure in a diploid sporophyte that undergoes meiosis to form haploid spores? 1. hyphae 2. hymenium 3. dikaryotic 4. sporangium
null
null
null
null
[ "hyphae", "hymenium", "dikaryotic", "sporangium" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Gene expression and what else are usually considered the same molecular process? 1. subtractive synthesis 2. photosynthesis 3. organism synthesis 4. protein synthesis
null
null
null
null
[ "subtractive synthesis", "photosynthesis", "organism synthesis", "protein synthesis" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Centipedes have what on their foremost trunk segment, used to paralyze prey and aid in defense? 1. poison claws 2. diploid claws 3. animal claws 4. board claws
null
null
null
null
[ "poison claws", "diploid claws", "animal claws", "board claws" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What paired organs together receive about 25 percent of cardiac output and are protected in the retroperitoneal space by the renal fat pad and overlying ribs and muscle? 1. brain 2. kidneys 3. lungs 4. hands
null
null
null
null
[ "brain", "kidneys", "lungs", "hands" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The diversity of life on earth today is the result of what? 1. generation 2. spontaneous mutation 3. evolution 4. mass extinction
null
null
null
null
[ "generation", "spontaneous mutation", "evolution", "mass extinction" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: In science, coefficients are used to balance what kind of equations? 1. isolated 2. mineral 3. liquid 4. chemical
null
null
null
null
[ "isolated", "mineral", "liquid", "chemical" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What connection is required for a newborn baby to begin breathing? 1. connection to a ventilator 2. connection to a heat source 3. connection to the placenta 4. connection to the father
null
null
null
null
[ "connection to a ventilator", "connection to a heat source", "connection to the placenta", "connection to the father" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: How is population density expressed? 1. arable land per capita 2. number per area 3. per arable land 4. number per household
null
null
null
null
[ "arable land per capita", "number per area", "per arable land", "number per household" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Type 1 diabetes results in the pancreas not being able to make what ? 1. hemoglobin 2. glucose 3. sugar 4. insulin
null
null
null
null
[ "hemoglobin", "glucose", "sugar", "insulin" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Photosynthesis produces oxygen as a byproduct, and respiration produces what as a byproduct? 1. nitrogen 2. carbon monoxide 3. carbon dioxide 4. ozone
null
null
null
null
[ "nitrogen", "carbon monoxide", "carbon dioxide", "ozone" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Volcanoes are termed active, dormant, or extinct depending on the possibility of the presence of what in chamber structures? 1. water 2. sulpher 3. coal 4. magma
null
null
null
null
[ "water", "sulpher", "coal", "magma" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Ciliary muscles control the shape of the lens, which bends light and focuses it on what? 1. the vitreous fluid 2. the cornea 3. the pupil 4. the retina
null
null
null
null
[ "the vitreous fluid", "the cornea", "the pupil", "the retina" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Convection in which part of the earth drives the movement of the plates of lithosphere over the earth’s surface? 1. upper crust 2. atmosphere 3. mantle 4. ocean
null
null
null
null
[ "upper crust", "atmosphere", "mantle", "ocean" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Simple eyes, like the human eye, have how many lenses? 1. four 2. one 3. none 4. two
null
null
null
null
[ "four", "one", "none", "two" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What are the most advanced group of seedless vascular plants called? 1. grasses 2. ferns 3. shrubs 4. conifers
null
null
null
null
[ "grasses", "ferns", "shrubs", "conifers" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is a rigid layer that surrounds the plasma membrane of a plant cell? 1. the cell wall 2. the cell center 3. the nucleic wall 4. mitochondria
null
null
null
null
[ "the cell wall", "the cell center", "the nucleic wall", "mitochondria" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: A tropism where light is the stimulus is known as what? 1. Thermotropism 2. Geotropism 3. phototropism 4. Atropism
null
null
null
null
[ "Thermotropism", "Geotropism", "phototropism", "Atropism" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is transmitted that makes up the electromagnetic spectrum? 1. electromagnetic radiation in different wavelengths 2. light waves of different wavelengths 3. gamma rays 4. sound waves of different frequencies
null
null
null
null
[ "electromagnetic radiation in different wavelengths", "light waves of different wavelengths", "gamma rays", "sound waves of different frequencies" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Rust is an example of the reaction of oxygen with what? 1. coal 2. carbon 3. iron 4. fuel
null
null
null
null
[ "coal", "carbon", "iron", "fuel" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: When the sun is below the horizon and thus not visible on a direct line, the light path will bend slightly and thus make the sun visible by what? 1. infrared 2. reflection 3. thermal 4. refraction
null
null
null
null
[ "infrared", "reflection", "thermal", "refraction" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What term describes a drug that has an effect on the central nervous system? 1. psychoactive drug 2. elemental drug 3. steroidal drug 4. nonaddictive drug
null
null
null
null
[ "psychoactive drug", "elemental drug", "steroidal drug", "nonaddictive drug" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the physical area where a specie lives? 1. ecosystem 2. habitat 3. marine biome 4. farmland
null
null
null
null
[ "ecosystem", "habitat", "marine biome", "farmland" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Where does most geologic activity take place? 1. inner core 2. outer core 3. plate boundaries 4. asthenosphere
null
null
null
null
[ "inner core", "outer core", "plate boundaries", "asthenosphere" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of winds move the same way as mountain and valley breezes? 1. planetary winds 2. katabatic winds 3. pyroclastic winds 4. prevailing winds
null
null
null
null
[ "planetary winds", "katabatic winds", "pyroclastic winds", "prevailing winds" ]
[ 1, 10, 1, 1 ]
null
null
null