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: Organisms that depend on other organisms for food play what role in the food chain? 1. plant 2. producer 3. consumer 4. fungus
null
null
null
null
[ "plant", "producer", "consumer", "fungus" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the growing root tip protected by? 1. root flap 2. tip cap 3. root cap 4. root hinge
null
null
null
null
[ "root flap", "tip cap", "root cap", "root hinge" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Ocean water appears cyan because microbes in the water preferentially absorb what color of light? 1. red 2. green 3. yellow 4. blue
null
null
null
null
[ "red", "green", "yellow", "blue" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Both energy and heat can be expressed in units of what? 1. joules 2. ohms 3. velocities 4. amperes
null
null
null
null
[ "joules", "ohms", "velocities", "amperes" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: In fact, when sitting in the sun, many ectothermic lizards have higher body temperatures than what? 1. mammals 2. primates 3. insects 4. carnivores
null
null
null
null
[ "mammals", "primates", "insects", "carnivores" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: In binary fission how many times does a cell split? 1. six 2. one 3. two 4. four
null
null
null
null
[ "six", "one", "two", "four" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What do nonvascular plants reproduce with? 1. photosynthesis 2. toxins 3. vascular plants 4. spores
null
null
null
null
[ "photosynthesis", "toxins", "vascular plants", "spores" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: The most powerful or influential individual in a group is sometimes called what? 1. gamma 2. beta 3. superior 4. dominant
null
null
null
null
[ "gamma", "beta", "superior", "dominant" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the first stage of cellular respiration? 1. amniocentesis 2. hydrolysis 3. photosynthesis 4. glycolysis
null
null
null
null
[ "amniocentesis", "hydrolysis", "photosynthesis", "glycolysis" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: In which direction does heat always flow through objects? 1. from cooler to hotter 2. from low to high 3. from left to right 4. from hotter to cooler
null
null
null
null
[ "from cooler to hotter", "from low to high", "from left to right", "from hotter to cooler" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Like sharks, nearly the entire human skeleton during a specific pre-birth developmental stage is made of what connective tissue? 1. cartilage 2. chloroplasm 3. phloem 4. collagen
null
null
null
null
[ "cartilage", "chloroplasm", "phloem", "collagen" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: When this forms underground, volcanoes rise? 1. soil 2. CO2 3. pumice 4. magma
null
null
null
null
[ "soil", "CO2", "pumice", "magma" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Hormones produced by what gland in the neck increase the rate of metabolism in cells throughout the body? 1. pituitary 2. kidney 3. thymus 4. thyroid
null
null
null
null
[ "pituitary", "kidney", "thymus", "thyroid" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: When the ventricles begin to contract, pressure within the ventricles rises and blood flows toward the area of lowest pressure, which is initially in the atria. this backflow causes the cusps of the tricuspid and mitral (bicuspid) valves to close. these valves are tied down to the papillary muscles by these? 1. chordae tendineae 2. choanocyte tendineae 3. photoreactive tendineae 4. chollphyide tendineae
null
null
null
null
[ "chordae tendineae", "choanocyte tendineae", "photoreactive tendineae", "chollphyide tendineae" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the skin of most reptiles covered with? 1. cuticle 2. pores 3. scales 4. hairs
null
null
null
null
[ "cuticle", "pores", "scales", "hairs" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Gasoline, natural gas, fuel oil, diesel fuel, jet fuel, coal, kerosene, and propane are examples of what type of fule? 1. polymerization fuel 2. nuclear fue 3. electrolysis fuel 4. hydrocarbon fuel
null
null
null
null
[ "polymerization fuel", "nuclear fue", "electrolysis fuel", "hydrocarbon fuel" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Nearly all life processes depend on what substance, which is involved in biochemical reactions? 1. hydrocarbons 2. food 3. air 4. water
null
null
null
null
[ "hydrocarbons", "food", "air", "water" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What has increased in the atmosphere throughout the history of the earth? 1. nitrogen 2. carbon 3. wind 4. oxygen
null
null
null
null
[ "nitrogen", "carbon", "wind", "oxygen" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Which two states of matter have definite volumes? 1. GAS AND LIQUIDS 2. bacteria and liquids 3. solids and liquids 4. contrasts and liquids
null
null
null
null
[ "GAS AND LIQUIDS", "bacteria and liquids", "solids and liquids", "contrasts and liquids" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Tendon, cartilage, and bone are examples of what type of tissue that supports and binds other tissues of the body? 1. connective tissue 2. repetitive tissue 3. muscular tissue 4. untreated tissue
null
null
null
null
[ "connective tissue", "repetitive tissue", "muscular tissue", "untreated tissue" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the sac-like organ at the end of the esophagus? 1. stomach 2. rectum 3. appendix 4. larynx
null
null
null
null
[ "stomach", "rectum", "appendix", "larynx" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Which class of acids acetic acid (ch 3 cooh) belongs to? 1. organic acids 2. anorganic acids 3. common acids 4. strong acids
null
null
null
null
[ "organic acids", "anorganic acids", "common acids", "strong acids" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What happens to the total energy of the system when heat is positive? 1. it increases 2. it decreases 3. it remains constant 4. nothing
null
null
null
null
[ "it increases", "it decreases", "it remains constant", "nothing" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of species can alternate between medusa and polyp forms? 1. cnidarian 2. crocodilian 3. chordata 4. mollusks
null
null
null
null
[ "cnidarian", "crocodilian", "chordata", "mollusks" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Extensive and intensive are categories of properties that apply to what? 1. height 2. volume 3. weight 4. matter
null
null
null
null
[ "height", "volume", "weight", "matter" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: The vertebrate circulatory system enables blood to deliver ________ and remove wastes throughout the body. 1. hydrogen and nutrients 2. fluid and nutrients 3. oxygen and nutrients 4. acid and nutrients
null
null
null
null
[ "hydrogen and nutrients", "fluid and nutrients", "oxygen and nutrients", "acid and nutrients" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: By what kind of change can a chemical change be reversed? 1. another thermal change 2. another carbon change 3. another radioactive change 4. another chemical change
null
null
null
null
[ "another thermal change", "another carbon change", "another radioactive change", "another chemical change" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Earthquakes at convergent plate boundaries mark the location of the what? 1. subducting lithosphere 2. abducting lithosphere 3. shorting lithosphere 4. speeding lithosphere
null
null
null
null
[ "subducting lithosphere", "abducting lithosphere", "shorting lithosphere", "speeding lithosphere" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: New seafloor forms when what object cools? 1. debris 2. ash 3. rain 4. lava
null
null
null
null
[ "debris", "ash", "rain", "lava" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What are groups of atoms that behave as a single unit called? 1. particles 2. molecules 3. protons 4. ions
null
null
null
null
[ "particles", "molecules", "protons", "ions" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Hormones cause cellular changes by binding to receptors on these? 1. target cells 2. reach cells 3. able cells 4. fighter cells
null
null
null
null
[ "target cells", "reach cells", "able cells", "fighter cells" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Food provides what type of energy needed by organisms, which is stored in bonds? 1. calories 2. chemical energy 3. radiation energy 4. caffeine
null
null
null
null
[ "calories", "chemical energy", "radiation energy", "caffeine" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Catabolic reactions involve breaking what? 1. molecules 2. levels 3. bonds 4. metals
null
null
null
null
[ "molecules", "levels", "bonds", "metals" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Scientists explain the world based on what? 1. observations 2. theories 3. patterns 4. changes
null
null
null
null
[ "observations", "theories", "patterns", "changes" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the general name for saturated hydrocarbons? 1. alkanes 2. enzymes 3. petrolatums 4. halides
null
null
null
null
[ "alkanes", "enzymes", "petrolatums", "halides" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Changing electric and mnagnetic fields radiate outward when? 1. firing particles accelerate 2. particles lose their charge 3. particles multiply 4. charged particles accelerate
null
null
null
null
[ "firing particles accelerate", "particles lose their charge", "particles multiply", "charged particles accelerate" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What significant part of the cell do prokaryotic cells lack? 1. mitochondrial dna 2. a nucleus 3. a ribosome 4. a cell wall
null
null
null
null
[ "mitochondrial dna", "a nucleus", "a ribosome", "a cell wall" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Where do ectotherms get most of their heat? 1. external sources 2. metabolism 3. internally 4. food
null
null
null
null
[ "external sources", "metabolism", "internally", "food" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What layer is above the mesosphere? 1. exosphere 2. thermosphere 3. ionosphere 4. stratosphere
null
null
null
null
[ "exosphere", "thermosphere", "ionosphere", "stratosphere" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is produced by leydig cells in the embryonic testis and stimulates the development of male sexual organs? 1. estrogen 2. testosterone 3. androgen 4. insulin
null
null
null
null
[ "estrogen", "testosterone", "androgen", "insulin" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is a continuous flow of electric charges called? 1. electricity 2. electric current 3. magnetic current 4. circuit
null
null
null
null
[ "electricity", "electric current", "magnetic current", "circuit" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What causes high winds and monsoon storms in the desert? 1. and-12 summer temperature 2. low winter temperature 3. moderate spring temperature 4. high summer temperature
null
null
null
null
[ "and-12 summer temperature", "low winter temperature", "moderate spring temperature", "high summer temperature" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What are the three most common protective devices? 1. fuses , fabrication breaks & surge protectors 2. fuses , circuit breaks & surge claws 3. fuses, circuit breaks & surge protectors 4. tranistors, resistors & diodes
null
null
null
null
[ "fuses , fabrication breaks & surge protectors", "fuses , circuit breaks & surge claws", "fuses, circuit breaks & surge protectors", "tranistors, resistors & diodes" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Which veins return oxygen-rich blood from the lungs to the heart? 1. jugular 2. respiratory 3. pulmonary 4. varicose
null
null
null
null
[ "jugular", "respiratory", "pulmonary", "varicose" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Makemake and pluto are classified as what type of celestial object? 1. gas giants 2. dwarf planets 3. nebula 4. black holes
null
null
null
null
[ "gas giants", "dwarf planets", "nebula", "black holes" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What do you call the entire range of wavelengths of electromagnetic waves? 1. molecular spectrum 2. electric spectrum 3. electromagnetic spectrum 4. gaseous spectrum
null
null
null
null
[ "molecular spectrum", "electric spectrum", "electromagnetic spectrum", "gaseous spectrum" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Joules and calories are the units of what? 1. mass and potential 2. weight and energy 3. heat and velocity 4. energy and heat
null
null
null
null
[ "mass and potential", "weight and energy", "heat and velocity", "energy and heat" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: The brain and spinal cord are part of what system? 1. central nervous system 2. cardiovascular system 3. digestive system 4. immune system
null
null
null
null
[ "central nervous system", "cardiovascular system", "digestive system", "immune system" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The two parathyroid glands are located behind what gland? 1. hypothalmus 2. thyroid 3. thymus 4. pituitary gland
null
null
null
null
[ "hypothalmus", "thyroid", "thymus", "pituitary gland" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Fission is a method of what type of reproduction exhibited by some planarians? 1. asexual 2. spawning 3. sexual 4. propagation
null
null
null
null
[ "asexual", "spawning", "sexual", "propagation" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The best method for preparing pure phosphorous acid is by hydrolyzing what? 1. dioxide phosphat 2. dioxide trichloride 3. carbon trichloride 4. phosphorus trichloride
null
null
null
null
[ "dioxide phosphat", "dioxide trichloride", "carbon trichloride", "phosphorus trichloride" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What bonds result from the overlap of atomic orbitals? 1. hydrogen 2. metallic 3. covalents 4. valent
null
null
null
null
[ "hydrogen", "metallic", "covalents", "valent" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is a cluster of neuron cell bodies in the pns called? 1. groupilion 2. ganglion 3. gangnem 4. crystals
null
null
null
null
[ "groupilion", "ganglion", "gangnem", "crystals" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Unlike the passive form, the sodium-potassium pump uses what type of transport? 1. active 2. High 3. Low 4. phase
null
null
null
null
[ "active", "High", "Low", "phase" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: On insects, what are the openings on the sides of the abdomen that allows respiration to occur? 1. gills 2. spiracles 3. chloroplasts 4. wings
null
null
null
null
[ "gills", "spiracles", "chloroplasts", "wings" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Salts of weak acids or bases can affect the acidity or what of their aqueous solution? 1. atomicity 2. ductility 3. compound 4. basicity
null
null
null
null
[ "atomicity", "ductility", "compound", "basicity" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Flowers, double fertilization, and fruits are unique features of what life cycle? 1. angiosperm 2. dinoflagellate 3. protozoa 4. early lifehood
null
null
null
null
[ "angiosperm", "dinoflagellate", "protozoa", "early lifehood" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is most often the cause of encephalitis? 1. bacterial infections 2. parasites 3. calcium buildup 4. viruses
null
null
null
null
[ "bacterial infections", "parasites", "calcium buildup", "viruses" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Why do microwaves have a higher energy than radio waves? 1. higher resonance 2. higher frequency 3. lower frequency 4. higher decibel
null
null
null
null
[ "higher resonance", "higher frequency", "lower frequency", "higher decibel" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is cytology. 1. the study of atomic structure 2. the study of cell structure 3. the study of plants 4. the study of cancers
null
null
null
null
[ "the study of atomic structure", "the study of cell structure", "the study of plants", "the study of cancers" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: When solids change to gasses, they generally pass through what other state? 1. liquid 2. chemical 3. frozen 4. carbon
null
null
null
null
[ "liquid", "chemical", "frozen", "carbon" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the structure which hangs from a newly hatched salmon larva? 1. liquid sac 2. yolk sac 3. stomach sac 4. air sac
null
null
null
null
[ "liquid sac", "yolk sac", "stomach sac", "air sac" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is made up of the pinna, ear canal, and eardrum? 1. the inner ear 2. the outer ear 3. the epidermis 4. the nervous system
null
null
null
null
[ "the inner ear", "the outer ear", "the epidermis", "the nervous system" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of solvents is glucose insoluble in? 1. polar 2. acidic 3. alkaline 4. nonpolar
null
null
null
null
[ "polar", "acidic", "alkaline", "nonpolar" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What organ is divided into the duodenum, the jejunum, and the ileum? 1. large intestine 2. kidney 3. small intestine 4. lung
null
null
null
null
[ "large intestine", "kidney", "small intestine", "lung" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what? 1. oxygen 2. precipitation 3. temperature 4. air pressure
null
null
null
null
[ "oxygen", "precipitation", "temperature", "air pressure" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: A comet striking the earth may have caused mass extinction, this would have decreased sunlight, which would have effected what plant process reducing food? 1. glycolysis 2. decomposition 3. fertilization 4. photosynthesis
null
null
null
null
[ "glycolysis", "decomposition", "fertilization", "photosynthesis" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Normal body temperature is ideal for most of what type of reactions? 1. plasma 2. biochemical 3. gas 4. theoretical
null
null
null
null
[ "plasma", "biochemical", "gas", "theoretical" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What separates and strongly unites bodies of adjacent vertebrae? 1. interstitial fluid 2. synovial fluid 3. collagen fibers 4. intervertebral disc
null
null
null
null
[ "interstitial fluid", "synovial fluid", "collagen fibers", "intervertebral disc" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: About 20 percent of carbon dioxide is bound by hemoglobin and is transported where? 1. intestines 2. bones 3. lungs 4. brain tissues
null
null
null
null
[ "intestines", "bones", "lungs", "brain tissues" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Which outermost secondary xylem layers transport water? 1. the oldest 2. the youngest 3. the narrowest 4. the farthest
null
null
null
null
[ "the oldest", "the youngest", "the narrowest", "the farthest" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What did volcanic gases help to form on earth? 1. water 2. plants 3. atmosphere 4. rocks
null
null
null
null
[ "water", "plants", "atmosphere", "rocks" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is formed when the ceiling of an underground cave collapses? 1. hill 2. sinkhole 3. mountain 4. groundwater
null
null
null
null
[ "hill", "sinkhole", "mountain", "groundwater" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What type of muscle makes up most of the heart? 1. heart muscle 2. respiratory muscle 3. chest muscles 4. cardiac muscle
null
null
null
null
[ "heart muscle", "respiratory muscle", "chest muscles", "cardiac muscle" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What measures the amount of water in the air? 1. fire index 2. temperature 3. cloud cover 4. humidity
null
null
null
null
[ "fire index", "temperature", "cloud cover", "humidity" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Most terrestrial vertebrates have what type of lungs? 1. external 2. extra 3. mechanical 4. internal
null
null
null
null
[ "external", "extra", "mechanical", "internal" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What process joins two haploid gametes into a diploid zygote? 1. embryo 2. fertilization 3. migration 4. fusion
null
null
null
null
[ "embryo", "fertilization", "migration", "fusion" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Planets are held by the force of gravity in elliptical orbits around what? 1. sun 2. jupitor 3. mars 4. earth
null
null
null
null
[ "sun", "jupitor", "mars", "earth" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the fastest land animal? 1. greyhound 2. cheetah 3. ostrich 4. rhino
null
null
null
null
[ "greyhound", "cheetah", "ostrich", "rhino" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the process by which the remains of living things become fossils? 1. sublimation 2. fossilization 3. petrification 4. decomposition
null
null
null
null
[ "sublimation", "fossilization", "petrification", "decomposition" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Meters, such as those in analog fuel gauges on a car, are a common application of magnetic torque on a current-carrying what? 1. loop 2. dial 3. arc 4. circuit
null
null
null
null
[ "loop", "dial", "arc", "circuit" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What causes reduction of elasticity in all organs? 1. low vitamin D 2. weight gain 3. radiation 4. age
null
null
null
null
[ "low vitamin D", "weight gain", "radiation", "age" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: How many protons and electrons each do carbon atoms have? 1. two 2. six 3. five 4. nine
null
null
null
null
[ "two", "six", "five", "nine" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What thickens the cortex around the inner edge of a cell? 1. mitochondria 2. vacuoles 3. microfilaments 4. plasma membrane
null
null
null
null
[ "mitochondria", "vacuoles", "microfilaments", "plasma membrane" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What value of dissolved substances is higher than that of their corresponding precipitate? 1. negentropy 2. binary 3. entropy 4. ordiny
null
null
null
null
[ "negentropy", "binary", "entropy", "ordiny" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Is an acid lower or higher than 7 on the ph scale? 1. twice as much as 7 2. higher than 7 3. lower than 7 4. exactly 7
null
null
null
null
[ "twice as much as 7", "higher than 7", "lower than 7", "exactly 7" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Although what biochemicals circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors? 1. Cells 2. organs 3. hormones 4. enzymes
null
null
null
null
[ "Cells", "organs", "hormones", "enzymes" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The right atrium receives all of the systemic venous return. most of the blood flows into either the superior vena cava or this? 1. identical vena cava 2. inferior vena cava 3. exterior vena cava 4. resulted vena cava
null
null
null
null
[ "identical vena cava", "inferior vena cava", "exterior vena cava", "resulted vena cava" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Tissue is made up of layers of tightly packed cells that line the surfaces of the body, such as skin. 1. neural tissue 2. weak tissue 3. resultant tissue 4. epithelial tissue
null
null
null
null
[ "neural tissue", "weak tissue", "resultant tissue", "epithelial tissue" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Most lipid hormones are derived from what? 1. fat 2. tissue 3. protein 4. cholesterol
null
null
null
null
[ "fat", "tissue", "protein", "cholesterol" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: A fact or question is only considered science if it has what property? 1. it is testable 2. it is mineral 3. it is interesting 4. it is believable
null
null
null
null
[ "it is testable", "it is mineral", "it is interesting", "it is believable" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Which branch of science is the study of energy, matter, and their interactions? 1. biology 2. meteorology 3. physics 4. geology
null
null
null
null
[ "biology", "meteorology", "physics", "geology" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the smallest unit capable of life known as? 1. organism 2. living thing 3. insect 4. a cell
null
null
null
null
[ "organism", "living thing", "insect", "a cell" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: Making associations between experiences is often a part of what activity? 1. sleeping 2. learning 3. eating 4. dying
null
null
null
null
[ "sleeping", "learning", "eating", "dying" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: The spectrum is made up of discrete lines representing transitions of the hydrogen electron between specific energy levels within what? 1. the atom 2. the molecule 3. an element 4. a rainbow
null
null
null
null
[ "the atom", "the molecule", "an element", "a rainbow" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: In the field of biodiversity, "richness" and "abundance" are used to describe different what? 1. nutrients 2. species 3. densities 4. water sources
null
null
null
null
[ "nutrients", "species", "densities", "water sources" ]
[ 1, 10, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. atmospheric nitrogen, which is the diatomic molecule n2, or dinitrogen, is the largest pool of nitrogen in these? 1. desert biomes 2. aquatic ecosytems 3. gas planets 4. terrestrial ecosystems
null
null
null
null
[ "desert biomes", "aquatic ecosytems", "gas planets", "terrestrial ecosystems" ]
[ 1, 1, 1, 10 ]
null
null
null
null
Which of the following is the correct answer to the question: What is the term for rotation of a bone toward the midline of the body? 1. lateral rotation 2. interior rotation 3. medial rotation 4. visual rotation
null
null
null
null
[ "lateral rotation", "interior rotation", "medial rotation", "visual rotation" ]
[ 1, 1, 10, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores? 1. viruses 2. parasites 3. bacteria 4. contaminants
null
null
null
null
[ "viruses", "parasites", "bacteria", "contaminants" ]
[ 10, 1, 1, 1 ]
null
null
null
null
Which of the following is the correct answer to the question: What are the two methods in which mutations arise in dna? 1. produced or spontaneous 2. accelerated or spontaneous 3. induced or spontaneous 4. accelerated or random
null
null
null
null
[ "produced or spontaneous", "accelerated or spontaneous", "induced or spontaneous", "accelerated or random" ]
[ 1, 1, 10, 1 ]
null
null
null