dataset string | id string | question string | choices list | rationale string | answer string | subject string |
|---|---|---|---|---|---|---|
mmlu_stem | mmlu_stem_2995 | Finally, the long-awaited flying car is almost here. AeroMobil, a Slovakian company, plans to start selling its creation, the AeroMobil3. 0, in 2017. The company claims on its site that the vehicle "transforms in seconds from an automobile to an airplane" by using "existing infrastructure created for automobiles and pl... | [
"It is powered by aircraft fuel.",
"It can fly as fast as airplanes.",
"It has a propeller.",
"It can take off from a stretch of grass."
] | null | D | |
mmlu_stem | mmlu_stem_13263 | John is thirteen now. He began to study in a middle school two years ago. His home is in a small village and it's nearly five kilometers from the school. He has to get up early in the morning. After a quick breakfast, he has to run to school and get there on time. His father hopes to borrow some money to buy a bike for... | [
"keep healthy",
"win the boys' race",
"make his teachers happy",
"get to school on time"
] | null | D | |
mmlu_stem | mmlu_stem_12263 | A plant makes its own food in its leaves .Water comes to the leaves through the roots . Air gets into the leaves through very small holes . The green coloring in the leaves uses the water and air to make the food for the plant . It also needs sunshine because a plant can make food only when the sun is shining. Animal... | [
"cloudy",
"rainy",
"sunny",
"windy"
] | null | C | |
mmlu_stem | mmlu_stem_18820 | The moon goes through phases as it revolves around Earth. During which phase of the moon would it be possible for a solar eclipse to occur? | [
"new moon",
"full moon",
"waning",
"waxing"
] | null | A | |
mmlu_stem | mmlu_stem_15562 | Model Time A model is a small copy of a building, vehicle ,machine etc, especially one that can be put together from several parts. If you like models, then this will be the place for you . From model trains, planes and cars to rockets and boats, we've got them all! To find others who can share your interests, and to g... | [
"You can do different kinds of sports at Sports Club.",
"Model Time has members from 40 different countries.",
"Keypals International Club is mainly for kids aged 8--16.",
"Jim Todd has worked in the art field for more than 20 years."
] | null | B | |
mmlu_stem | mmlu_stem_19017 | Some birds have scooped beaks, but others have sharp beaks such as | [
"peregrine falcons",
"pelicans",
"toucans",
"snakes"
] | null | A | |
mmlu_stem | mmlu_stem_3164 | The most frightening words in the English language are, "Our computer is down." You hear it more and more when you are on business. The other day I was at the airport waiting for a ticket to Washington and the girl in the ticket office said, "I'm sorry, I can't sell you a ticket. Our computer is down." "If your... | [
"The author couldn't leave for Washington because of the weather.",
"All the computers, in the airport were down.",
"The passengers could get on the plane even the computer was down.",
"The girl knew nothing about the flight without the computer."
] | null | D | |
mmlu_stem | mmlu_stem_12153 | You know that balloons must be kept away from sharp objects. They also needed to be kept away from flames. A fire can weaken the rubber and cause it to break. However, in this experiment you will find out how you can hold a balloon directly in a flame without breaking the balloon. Materials needed: * two round balloons... | [
"water is a particularly good absorber of heat",
"some balloons can be easily broken, while others can't.",
"balloons without water are not as strong as those with water inside.",
"the temperature is not up to the latitude."
] | null | A | |
mmlu_stem | mmlu_stem_150 | Earth's core is primarily composed of which of the following materials? | [
"basalt",
"iron",
"magma",
"quartz"
] | null | B | |
mmlu_stem | mmlu_stem_16882 | Mobile phones and the internet have improved our live in many ways. However, along with improvements, they have also brought a number of worrying problems. Many car accident are caused by mobile phones. You can use many new mobile phones to get on the internet. This can be very convenient, but some drivers get on the i... | [
"is free to use",
"can be used without your hands",
"can be used with only one hand",
"can be use only in ears"
] | null | B | |
mmlu_stem | mmlu_stem_17862 | What travels through the stem of a plant? | [
"water and food",
"food and nectar",
"nectar and soil",
"soil and water"
] | null | A | |
mmlu_stem | mmlu_stem_15371 | Once upon a time a married couple celebrated their 25th marriage anniversary . They had become famous in the city for not having a single _ in the period of 25 years. Local newspaper editors had gathered at the occasion to find out the secret of their well known "happy going marriage". The editor asked, " Sir. It's ama... | [
"Once",
"Twice",
"Three times",
"Four times"
] | null | C | |
mmlu_stem | mmlu_stem_17249 | A student conducts an experiment using a common but potentially harmful bacteria culture. After working with the bacteria, which is the most important safety practice to follow? | [
"turn off any electrical equipment",
"dispose of waste materials",
"wash hands and tabletops thoroughly",
"return materials to their proper place"
] | null | C | |
mmlu_stem | mmlu_stem_13319 | Students learn many subjects at school, like Chinese, English, math and physics. Some students think it's hard to do well in math. They say it's boring. Why do they say this? First, some math problems are so hard for them. They spend a lot of time on them, but they can't work them out, so they lost heart . Second, they... | [
"easy",
"difficult",
"many",
"few"
] | null | B | |
mmlu_stem | mmlu_stem_12267 | Mary had some troubles, so she went to see the doctor. He was a new doctor, and did not know her. So he first asked her some questions. One of the questions was, "What is your age?" "Well..." Mary answered, "I don't quite remember, doctor, but I will try to think." She thought for a while and then said, "Yes, I remem... | [
"You are no more than forty, are you?",
"Do you have a fever?",
"What is your age?",
"Have you had any medicine?"
] | null | C | |
mmlu_stem | mmlu_stem_8768 | An antifreeze is a liquid that is added to water to keep it from freezing. When water freezes and turns to ice, it expands. The force of water expanding is so great that it will break the hardest metal. Water is used in car engines to keep them cool while they run, and if this water is allowed to freeze in winter it ca... | [
"to help to sell antifreezes",
"to explain what antifreezes are",
"to compare ethylene glycol with alcohol",
"to tell how to choose the best antifreeze"
] | null | B | |
mmlu_stem | mmlu_stem_12829 | Visiting the forest zoo Come and see the Indian elephants and the new tigers from Northeast of China. The beautiful birds from England are ready to sing songs for you, and the monkeys from Mount Emei will be happy to talk to you. The lovely dogs from Australia want to laugh at you. Sichuan pandas will play balls for yo... | [
"fat",
"short",
"strong",
"tall"
] | null | D | |
mmlu_stem | mmlu_stem_4617 | On an August afternoon last year, Pamela Rivers, 40, and her friend Rita Graham, 38, were stopped at a red light on Cobb's Creek Parkway in South Philadelphia when a white SUV traveling in the opposite direction turned across traffic in front of them. It then jumped the curb and rushed through a grassy expanse befo... | [
"5.",
"4.",
"6.",
"7."
] | null | A | |
mmlu_stem | mmlu_stem_11234 | Rae and Bruce Hostetler not only work very hard,they also relax just as well. Numerous vacations help the couple to maintain their health and emotional well-being-and it's no surprise to health care professionals. "Rest,relaxation, and stress reduction are very important for people's weLl-being and health. This can be ... | [
"weaken reaction system",
"cure serious diseases",
"reduce the level of well-being",
"decrease the risk of heart disease"
] | null | D | |
mmlu_stem | mmlu_stem_9529 | How can you find out what is going on inside a person's body without opening the patient's body up? Regular X rays can show a lot. CAT scans can show even more. They can give a complete view of body organs. What is a CAT scan? CAT stands for a kind of machine. It is a special X-ray machine that gets a 360-degree pictur... | [
"patients in front of CAT may suffer from a bit of radiation",
"doctors need no opening-up of the body with CAT scanners",
"CAT scanners are more expensive than regular X-ray machines",
"CAT scanners can take photos of either the whole body or a part of it"
] | null | A | |
mmlu_stem | mmlu_stem_8051 | Scientists who discovered a new way of generating electricity from water say they may have come across an alternative source of clean energy to rival wind and solar power. The breakthrough, which scientists say is the first new way to generate electricity in 160 years, could lead to batteries that use water instead of ... | [
"They must be used to power mobile phones and calculators.",
"They have some possible disadvantages like water leaking.",
"They would be needed greatly at city water filtration sites.",
"They would be better than wind and solar power."
] | null | B | |
mmlu_stem | mmlu_stem_9489 | When we can see well, we do not think about our eyes often. It is only when we can notsee perfectly that we come to see how important our eyes are. People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot of close work, such as writing and reading, become nearsighted. T... | [
"with wide open eyes",
"with half shut or narrowed eyes",
"straight at it",
"in a slightly different direction"
] | null | D | |
mmlu_stem | mmlu_stem_9285 | The Basics of Math--Made Clear Basic Math introduces students to the basic concepts of mathematics, as well as the fundamentals of more tricky areas. These 30 fantastic lectures are designed to provide students with an understanding of arithmetic and to prepare them for Algebra and beyond. The lessons in Basic Math co... | [
"Algebra.",
"College Mathematics.",
"Arithmetic.",
"Mathematics Education."
] | null | C | |
mmlu_stem | mmlu_stem_6540 | A window is more than just an opening that you can see through. It can affect the way a building looks,how much energy a building USES and even how you feel. Scientists are now working on ncw technologies to create"smart windows". Unlike normal windows,high-tech smart windows can change from clear to dark and back ... | [
"Windows Are Important",
"Buildings in the Future",
"A Kind of New Window--the Smart Window",
"The Magic of High-tech"
] | null | B | |
mmlu_stem | mmlu_stem_19569 | A radiator is something that can | [
"recycle water from the toilet",
"propel a rocket to the moon",
"keep a room comfortable",
"filter water from the tap"
] | null | C | |
mmlu_stem | mmlu_stem_15872 | Our village carpenter , John, came one day and made a dining table for my wife. He made it just the right size for the space between the two windows. When I got home that evening, John was drinking a cup of tea and writing out his bill for the job. My wife said to me quietly,"That's his ninth cup of tea today. "But s... | [
"John made a mistake in the bill",
"John tried to fool the writer in order to get more money for his work",
"John had written out the bill before the writer got home",
"John still wanted to get $36.50 for his work in the end"
] | null | B | |
mmlu_stem | mmlu_stem_15881 | We live in the computer age. People use computers to do much of their work, such as playing games, listening to music, shopping and so on. But few people know how to take care of them. Please remember the following when you use your computer: 1.Keep your computer in a dry cool room. Too much heat is bad for computers. ... | [
"playing games.",
"listening to music.",
"shopping.",
"all of them above."
] | null | D | |
mmlu_stem | mmlu_stem_6067 | Dave needed to prepare for Saturday's fishing trip. He went into his hall closet, where he had more than 20 rods and reels. Nowadays he went fishing twice a year at Big Bear, a huge lake in southern prefix = st1 /Californiaabout 7,000 feet up in the mountains. California tries to improve the fishing industry by sponsor... | [
"Because he was afraid he would forget the things needed",
"Because he would have so much fish to catch.",
"Because the good time with his friends was uncertain.",
"Because he wanted to buy some magazines on fishing."
] | null | A | |
mmlu_stem | mmlu_stem_13737 | Dear Amy, I couldn't read your two e-mails until today because my computer was broken. I'm so sorry to hear about your problem, but I'm glad you're feeling better and are recovering . I'm surprised that in China someone's liver matched yours! This is really a moving story--a stranger donated part of his liver to _ he... | [
"Amy has probably just received an operation on liver.",
"Amy is now probably in hospital recovering.",
"A Chinese man donated part of his liver to Amy",
"Amy is now still taking medicine to lose weight."
] | null | D | |
mmlu_stem | mmlu_stem_1643 | Kerry was playing with his toy airplane in the backyard after school one day when he saw something moving in the corner of the yard. He put down his toy and went over to look. He found a small frog, about two inches cross, jumping across the grass. Carefully, Kerry followed the frog as it jumped across the grass. He d... | [
"grass",
"water",
"frogs",
"sand"
] | null | D | |
mmlu_stem | mmlu_stem_4818 | Do you know why different animals or pests have their special colours? Colours in them seem to be used mainly to protect themselves. Some birds like eating locusts. but birds cannot easily catch them. Why? It is because locusts change their colours together with the change of the colours of crops. When crops are green,... | [
"have the colours much like the trees",
"move quickly",
"like brown and grey colours",
"live in forests"
] | null | A | |
mmlu_stem | mmlu_stem_20081 | Soil contains | [
"the highest portion of the ozone layer",
"the rotten idea of a decaying democracy",
"waves of salt-water moving back and forth",
"chemical substances found in every living thing"
] | null | D | |
mmlu_stem | mmlu_stem_2816 | UGG boots have been a winterweather fashion for several years now, combining function, comfort, warmth and even some style. What many UGGenthusiasts don't know is that their boots are a breeding ground for bacteria and cause foot problems. Doctors believe the boots, which are particularly popular among young teenage gi... | [
"there is a possibility that bacteria will multiply in UGG boots",
"wearing UGG boots will lead to more ankle and toe problems",
"it's not a good idea to wear boots like UGG outside all the time",
"teenage girls' bones are plastic enough to wear UGG boots"
] | null | C | |
mmlu_stem | mmlu_stem_7076 | An endangered deer with vampire-like fangs was spotted for the first time in nearly 60 years, in a remote forest in northeastern Afghanistan. The fanged creature is known as the Kashmir musk deer, and it is native to the Himalayas of northern India, Pakistan's Kashmir region and northern Afghanistan. Only the male de... | [
"Government control.",
"Continued violence.",
"Political instability.",
"Years of war."
] | null | A | |
mmlu_stem | mmlu_stem_3713 | In many countries, heart disease kills a lot of women and even more men. There are four major causes of this disease and these are smoking, poor or bad diet, a family history of heart disease and stressful work. Among these main wrong-doers, the most common cause is stress. What is stress and how do you feel when you a... | [
"It included team work.",
"It demands higher qualifications.",
"It ensures satisfaction. Wwm",
"It involves decision-making."
] | null | D | |
mmlu_stem | mmlu_stem_3255 | What do you do when you need to look something up? Go to the library? Open an encyclopedia ? Click onto the Internet? These days, most people go straight to Wikipedia, the online encyclopedia. But how reliable is it? There is no denying the popularity and usefulness of Wikipedia. It attracts as many as 78 million visit... | [
"because of its popularity, 78 million people from 270 countries visit Wikipedia monthly",
"Wikipedia is the most comprehensive resource with all information we need",
"anyone who has access to the Internet can edit any contents of Wikipedia as they like",
"the primary job of the administrator is to make sure... | null | D | |
mmlu_stem | mmlu_stem_16660 | I began to send e-mails when I was 17. I discovered Google 5 years later. Now, I use the internet all the time. The Internet has become so popular that 90 percent of 12-to-17-year-olds in the United States use the internet, and about half of these kids use it every day. They visit chat rooms and send e-mails. They go t... | [
"difficult",
"possible",
"easy",
"Good"
] | null | A | |
mmlu_stem | mmlu_stem_19125 | As a result of decreased water, what will happen to tree rings? | [
"Lose shape",
"Become narrow",
"Become wider",
"Disappear Completely"
] | null | B | |
mmlu_stem | mmlu_stem_11182 | If you want to keep healthy, you should have good habits. What is a habit? It is something we do very often. We don't even think when we do it. It has become a part of our lives. "Early to bed, early to rise makes a man healthy, wealthy and wise." This is an old English saying. Do you know what it means? It means that ... | [
"Don't go to bed until twelve o'clock..",
"Take a walk after supper.",
"Run in the open air early in the morning.",
"Climb hills for half an hour early in the morning."
] | null | A | |
mmlu_stem | mmlu_stem_16741 | A woman is having some trouble with her eyes, so she goes to see the doctor. He is a new doctor and doesn't know her, so he asks some questions and one of them is, "How old are you?"The woman says, "I don't know, doctor, but let me think about it." She thinks for a minute and then says, "Yes, I know now, Doctor!When I ... | [
"thedoctor's",
"her husband's",
"her",
"her son's"
] | null | C | |
mmlu_stem | mmlu_stem_6940 | Driving speeds have largely stabilized, and nowadays, safety concerns are important and reducing road accidents to minimum is a must. So, automakers are focused on safety systems more than ever before. Given the emphasis on improving safety, it's possible that well-known phrases such as "live fast and die young" may l... | [
"put an end to road accidents",
"force people to obey traffic laws",
"see a wide use in the future",
"ensure the quality of medical care"
] | null | C | |
mmlu_stem | mmlu_stem_8556 | Long-time exposure to air pollution can lead to physical changes in the brain and cause trouble in learning and memory, and even anxiety. This is suggested by the results of new research on mice. While other studies have shown the harmful effects of polluted air in the lungs and heart, this is the first to show the n... | [
"normal organs",
"lungs and heart",
"mental health",
"blood pressure"
] | null | C | |
mmlu_stem | mmlu_stem_153 | Which of the following is a cause of the ocean levels periodically rising and then falling? | [
"the slight tilt of the Moon",
"the force of gravity from the Moon",
"the convection within Earth's mantle",
"the revolution of Earth around the Sun"
] | null | B | |
mmlu_stem | mmlu_stem_16256 | Hi, boys and girls! A new Mama store is in No. 1 Middle School now. Come and see at our great sale! We have bread for 3 yuan. Xiangpiaopiao milk tea is on sale for 2 yuan. Vegetable hamburgers are only 3 yuan. Do you need notebooks? They are only 6 yuan for three. We also have pens in all colors, only 1 yuan each . So... | [
"6 yuan.",
"2 yuan.",
"3 yuan.",
"4 yuan."
] | null | C | |
mmlu_stem | mmlu_stem_9533 | Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000km, but sound travels only 344m. You can get some idea of this difference by watching the start of a race. If you stand some distance away from the starter, you can see smoke come from his g... | [
"moon light",
"light rays",
"the nearest star",
"the moon"
] | null | C | |
mmlu_stem | mmlu_stem_6517 | Do you know mulch? Mulch is a protective cover of material that is spread on top of soil. It is usually made out of organic material, like crop waste. Farmers may keep the remains of corn or other crops on top of the soil. This creates mulch on the soil surface. The plant remains help protect the soil against wind and ... | [
"tree barks",
"plastic",
"grass cuttings",
"cut-up leaves"
] | null | B | |
mmlu_stem | mmlu_stem_3262 | Many people have been talking about the way in which the world will come to an end in 2012. Everybody wants to find out if December 21, 2012 is the last day of the earth. The rumor has already been spreading for a very long time. The Mayan's predictions can account for the rumor. According to the rumor, the earth will ... | [
"In the film End Clock:Nostradamus 2012.the world will be ruled by one government.",
"According to the text, the rumor of 2012 was from the Mayan's predictions.",
"People in 2012 may see two suns, of which one is Neptune of nowadays.",
"In 2012.Planet X will break in the orbit of solar system for the first ti... | null | B | |
mmlu_stem | mmlu_stem_11016 | Dear Mom and Dad, I'm afraid I have some very bad news for you. I have been very naughty and the school master is very angry with me. She is going to write to you. You must come and take me away from here. She does not want me in the school any longer. The trouble started last night when I was smoking a cigarette in be... | [
"He missed them very much for they hadn't seen each other for a long time.",
"He thought he was old enough to help them do something.",
"He was tired of studying, and wanted to leave school.",
"He told his parents what he had done in school."
] | null | D | |
mmlu_stem | mmlu_stem_15856 | Scientists have always wanted to know more about the other _ in space. Years ago, they knew many facts about the moon. They knew how big it was and how far away it was from the earth. But they wanted to know more about it .They thought and thought. At last they found the only way to know more was to send men to the moo... | [
"another star",
"the sun",
"the moon",
"other planets of the sun"
] | null | D | |
mmlu_stem | mmlu_stem_15004 | A priest had a cat that climbed up a tree in his backyard and then was afraid to come down. The tree was not strong enough to climb, so the priest decided that if he tied a rope to his car and drove away so that the tree bent down, he could then reach up and get the kitty. He did so, checking his progress in the car ... | [
"get his kitty down from the tree",
"persuade his kitty to come down",
"feed the kitty",
"see if the rope was strong enough"
] | null | A | |
mmlu_stem | mmlu_stem_12182 | When we can see well, we do not think about our eyes often: It is only when we cannot see perfectly that we come to see how important our eyes are. People who are nearsighted can only see things that are very close to their eyes. Many people who do a lot of close work, such as writing and reading, become nearsighted. ... | [
"guard",
"doctor",
"writer",
"painter"
] | null | C | |
mmlu_stem | mmlu_stem_1892 | Earth's rotation (turning on its axis) causes | [
"the seasons to change.",
"the Moon to appear as different shapes.",
"day and night.",
"solar eclipses."
] | null | C | |
mmlu_stem | mmlu_stem_17537 | A science class investigated the percentage of corn kernels that pop in bags of different brands of popcorn. Fifteen students tested three brands of popcorn each and reported their results to the class. Why did the teacher most likely have so many students report the results? | [
"for more accurate results",
"for more student participation",
"to help simplify the procedure",
"to help explain the hypothesis"
] | null | A | |
mmlu_stem | mmlu_stem_7486 | Smaller than your fist, your healthy heart just goes on and on. It will beat more than 60 times a minute for 70 years or more. That's something that most of us take for granted. But it's an amazing fact. 60 times a minute for 60 minutes is 3,600 times. What physical thing can most of us do 3,600 times in one hour? Blin... | [
"our healthy hearts work with many complains as our knees.",
"our healthy hearts can pump 3,600 gallons of blood everyday.",
"our healthy hearts are smaller than our fists.",
"our healthy hearts can beat 60 times in one hour."
] | null | C | |
mmlu_stem | mmlu_stem_9551 | Antidepressant drugs such as Prozac were viewed in the early 1900's as wonder pills that would remove depressive blues for good. But in the past five years, growing scientific evidence has shown these drugs work for only a minority of people. And now a research journal says that these antidepressants can make many pati... | [
"They are used to increase the \"feel-good\" medical in the brain.",
"They can work even when the hippocampus can't produce new cells.",
"They create a risk of heart problems in pregnant women.",
"They are responsible for controlling mood and memory."
] | null | A | |
mmlu_stem | mmlu_stem_15764 | Dear Grandma, How are you? I hope you are feeling well and your leg is improving. Can you walk a bit now? Is your neighbour, Mrs Lu, bringing you enough books to read? I hope so. You'd love our school library, Grandma. There are so many books on all kinds of subjects. The other day I found a book about engineering. I c... | [
"Sara knows little about engineering.",
"Sara thinks Spanish is useful but not easy to learn.",
"Grandma probably doesn't like reading books very much.",
"The subjects Sara learns are different from the ones her grandma did."
] | null | C | |
mmlu_stem | mmlu_stem_20952 | Which of the following would best describe why a lizard would live in a desert? | [
"it can eat bugs and withstand very cold weather",
"it can eat fish and withstand very cold weather",
"it can eat bugs and withstand very hot weather",
"it can eat fish and withstand very cold weather"
] | null | C | |
mmlu_stem | mmlu_stem_12359 | Mr. Read has a large farm near a hill. He and his wife are busy all the day. They're often tired but they have a lot of expensive things and they live a happy life. One day their sows had twenty baby pigs. Mrs. Read had to look after them at home. And at that time she had much housework to do. Several weeks later she ... | [
"his mother was very busy",
"his mother was too tired to work",
"his mother was ill",
"his mother was hungry"
] | null | A | |
mmlu_stem | mmlu_stem_17622 | What kingdom contains organisms that are multicellular, have no chlorophyll, and absorb nutrients from decaying tissue? | [
"Fungi",
"Plantae",
"Protista",
"Animalia"
] | null | A | |
mmlu_stem | mmlu_stem_9412 | To help the environment, many Americans have made the change from paper and plastic bags to reusable grocery bags. But a report by a Florida newspaper says that reusable grocery bags sold by some supermarkets contain high levels of lead . Lead is a metal that can be harmful to humans, especially young children. Now, Se... | [
"with colorful designs",
"with fancy pictures",
"made of plastic",
"made of paper"
] | null | D | |
mmlu_stem | mmlu_stem_5810 | Many people believe the glare from snow causes snow-blindness. Yet, dark glasses or not , they find themselves suffering from headaches and watering eyes, and even snow-blindness, when exposed to several hours of "snow light". The United States Army has now determined that glare from snow does not cause snow-blindness ... | [
"nature's cure for snow-blindness",
"snow-blindness and how to overcome it",
"soldiers marching in the snow",
"snow vision and its effect on eyesight"
] | null | B | |
mmlu_stem | mmlu_stem_17444 | Which is an example of a chemical reaction? | [
"nails rusting",
"glass melting",
"sugar dissolving",
"alcohol vaporizing"
] | null | A | |
mmlu_stem | mmlu_stem_18163 | What is the best way for a marine scientist to determine the eating habits of sharks? | [
"Tag one shark and monitor its eating habits for one day.",
"Tag one shark and monitor its eating habits for one year.",
"Tag several sharks and monitor their eating habits for one day.",
"Tag several sharks and monitor their eating habits for one year."
] | null | D | |
mmlu_stem | mmlu_stem_4257 | It is pretty much a one-way street. While it may be common for university researchers to try their luck in the commercial world, there is very little traffic in the opposite direction. Pay has always been the biggest deterrent, as people with families often feel they cannot afford the drop in salary when moving to a un... | [
"Flexible work hours.",
"Her research interests.",
"Her preference for the lifestyle on campus.",
"Prospects of academic accomplishments."
] | null | B | |
mmlu_stem | mmlu_stem_14509 | Without flowers, many plants would not be able to reproduce and many insects would not be able to get enough food to live. Here are some interesting facts about flowers plants. * Most plants grow flowers each year, but some take much longer. The century plant grows only one flower and then it dies! Even more amazin... | [
"Many insects get their food from flowers.",
"After growing a flower, the century plant will grow better.",
"The common watermeal has the smallest leaves in the world.",
"Bees will die if they touch the leaves of the Caucasian lime."
] | null | A | |
mmlu_stem | mmlu_stem_8222 | The Nobel Prizes in physiology or medicine, physics and chemistry are the most respected prizes in science. But talk to scientists in private, and many will complain why (besides jealousy, perhaps) are some scientists unhappy with the Nobels? One reason is that the committees can often be slow to recognize achievement.... | [
"Carl Hageh and Tom Kibble",
"Gerald Guralnik, Carl Hageh",
"Peter Higgs and Francois Englert",
"Rober Brout and Francois Englert"
] | null | C | |
mmlu_stem | mmlu_stem_1156 | Which of the following questions is testable in a scientific investigation? | [
"Are dogs better pets than cats?.",
"Are dogs happy when they are walked?.",
"Are cats more active at night than during the day?.",
"Are cats easier to take care of than dogs?."
] | null | C | |
mmlu_stem | mmlu_stem_228 | Cells that conduct messages are known as | [
"skin cells",
"nerve cells",
"blood cells",
"kidney cells"
] | null | B | |
mmlu_stem | mmlu_stem_1753 | Zebras cannot clap. However, one weekend a magic clown wiggled his nose and said a few magical words and a zebra could clap. This zebra lived in a zoo with many other zebras. This zebra's name was John, John the Zebra. John was so excited that he could clap. He tried to clap as much as he could. He had trouble understa... | [
"All the time",
"When he was Happy",
"When he scared",
"When he was sad"
] | null | A | |
mmlu_stem | mmlu_stem_1649 | Terry is a normal human boy who enjoys football and playing with his toys. What makes him different is that he really enjoys talking to his magical reindeer Max. One day, Terry is walking around town with Max, and as they pass by the nearby farm, the farmer who owns the land calls out to them - "Hey! You, over there!" ... | [
"Farmer",
"Human",
"Plant",
"Reindeer"
] | null | D | |
mmlu_stem | mmlu_stem_2190 | Which of the following questions is testable in a scientific investigation? | [
"Are dogs better pets than cats?.",
"Are dogs happy when they are walked?.",
"Are cats more active at night than during the day?.",
"Are cats easier to take care of than dogs?."
] | null | C | |
mmlu_stem | mmlu_stem_21815 | A monkey births live what? | [
"hares",
"younglings",
"rats",
"dogs"
] | null | B | |
mmlu_stem | mmlu_stem_15531 | Judie is a good student. She usually gets up at half past six in the morning. She does morning exercises for half an hour. Then she reads English from 7:00 a. m. to 7:30 a. m. She has breakfast at home. She goes to school at 7:45 a. m. She has four classes in the morning. She usually has lunch at school, but on Sunda... | [
"Reads English.",
"Does her homework.",
"Watches TV.",
"Cooks dinner."
] | null | B | |
mmlu_stem | mmlu_stem_6671 | As you can see,water works hard in your body every day.That's why it's important to give your body the water it needs to carry out all its different jobs.On a regular day,your body loses 2 to 3 quarts of water--enough to fill a 2liter soda bottle.You probably guess that water is lost when you sweat--especially on a ... | [
"your body needs too much water",
"water does all kinds of jobs in your body",
"your body loses a lot of water every day",
"the more water you drink the better you feel"
] | null | C | |
mmlu_stem | mmlu_stem_18805 | A group of students are observing a fish tank for a school assignment. The group is to share the observations with the class. Which statement about observations is true? | [
"Observations should always be recorded.",
"Observations should be collected only once.",
"Observations are only collected by scientists.",
"Observations are always correct if used in a chart."
] | null | A | |
mmlu_stem | mmlu_stem_12088 | After many years on the endangered list of animals, Japan'sAmami Black rabbit can finally breathe a sigh of relief -- That's because this year, the rare animal is no longer in danger of dying out! The effort to save the dark-furred rabbit, often called "a living fossil", began in 1921, when the Japanese government prom... | [
"you can't kill them",
"you can't capture them",
"you can't catch them for food",
"you can't trap or hunt them"
] | null | C | |
mmlu_stem | mmlu_stem_13395 | If I had one million Yuan, I would buy you a house! Do I have one million Yuan? No, I don't.So I only can spend ten fens on this short message, sending you my best wishes! Today SMS---Short Message Service is popular, and China Mobile says that every second , there are 410 messages being sent. Look around you! People ... | [
"SMS helps people a lot",
"young people dislike SMS",
"he makes SMS more popular",
"he will buy a palace for his friend"
] | null | A | |
mmlu_stem | mmlu_stem_14295 | Some people don't like the number 13. They don't think 13 is a _ or good number. For example , they don't like to live on the 13th floor . My friend Mary is one of them. She asks some friends to her home. All of her friends get to her home. They sit at the table. Then Mary counts, "One, two, three ...oh, my God! There... | [
"some people don't like to live on the 13th floor.",
"Mary and her friends don't like the number 13.",
"Mr. Brown's face turns white, too.",
"Mary and her friends became happy at last."
] | null | C | |
mmlu_stem | mmlu_stem_18643 | A student measures the growth of a group of plants given different amounts of fertilizer. Which data display should the student use to compare the growth of the plants? | [
"bar graph",
"scatterplot",
"line graph",
"pie chart"
] | null | C | |
mmlu_stem | mmlu_stem_13514 | A bus stops at a small bus stop. A man is hungry and he wants to buy some cakes. It's raining hard, he doesn't want to go out in the rain. He sees a boy. "Come here, boy!" he cries. "Do you know how much the cakes are?" The boy says yes. The man gives the boy four dollars and asks him to buy two cakes. "One is for yo... | [
"five dollars",
"Four dollars",
"Ten dollars",
"Fifteen dollars"
] | null | C | |
mmlu_stem | mmlu_stem_3788 | Wildlife faces threats from habitat destruction, pollution, and other human actions. Although protecting wildlife may seem too hard at times, even small actions in your own neighborhood can help protect many different animals. Here are some tips on how to protect wildlife through small actions. 1.Create wildlife friend... | [
"tell us why protecting wildlife is extremely important now",
"suggest that we protect wildlife through actions",
"explain why protecting wildlife is not as hard as people think",
"give us some tips on how to protect wildlife through small actions"
] | null | D | |
mmlu_stem | mmlu_stem_3994 | Tiangong -- 1(or.Heavenly Palace)space module is the first step toward China's plan to build a space station around 2020.Its launch by China has upset some countries,which are asking why China did not add on to the International Space Station that has been in place since 1998. After all, the Americans,Russians,European... | [
"are competing against one another in space wars",
"feel anxious about China's setting up a space station",
"are cooperating to compete against China in space",
"have warned the world of China's final purpose"
] | null | B | |
mmlu_stem | mmlu_stem_250 | Two pure substances combine to make a new substance. The new substance cannot be physically separated and has a different boiling point than each of the original substances. This new substance can best be classified as | [
"an atom.",
"a mixture.",
"an element.",
"a compound."
] | null | D | |
mmlu_stem | mmlu_stem_8294 | It was only a few weeks after my surgery, and I went to Dr. Belt's office for a checkup. It was just after my first chemotherapy treatment. My scar was still very tender. My arm was numb underneath. As usual, I was taken to an examination room to have my blood drawn, again --a terrifying process for me, since I'm so f... | [
"because of Ramona's encouragement",
"because I could face the fact",
"because of Ramona's gentleness",
"because Ramona and I became friends"
] | null | A | |
mmlu_stem | mmlu_stem_20136 | If two objects have the same charge then what will they do to eachother? | [
"repel attackers",
"approach",
"pull",
"push away"
] | null | D | |
mmlu_stem | mmlu_stem_2529 | Computers have many uses today. Computers can solve difficult problems and control other machines. Many people use small computers called calculators to solve simple maths problems quickly. Scientists use large computers to solve many problems at the same time. You can play games with computers, and some computers can ... | [
"Computers can solve all the problems people can't do.",
"Large computers can only solve one problem at a time.",
"When using the Kurzweil machine, a blind man needn't do anything.",
"The Kurzweil machine can help blind people and short-sighted children."
] | null | D | |
mmlu_stem | mmlu_stem_16578 | Today is July 20th.Mr Smith is going to have a trip.This is his travel plan. Dep.="depart;" leave arr.=arrive 21 July dep. New York 12:25 23 July dep. Ottawa 14:20 arr. Toronto 17:15 25 July dep. Toronto 09:45 arr. Tokyo 15:10 29 July dep. Tokyo 14:20 Arr. Sydney 20:05 2 August dep. Sydney 08:20 Arr. New York 16:25 How... | [
"Nine hours.",
"Ten hours.",
"485 minutes.",
"600 minutes."
] | null | C | |
mmlu_stem | mmlu_stem_10254 | Astronauts on shorter shuttle missions often work very long days. Tasks are scheduled so tightly that break times are often used to finish the day's work. This type of schedule is far too demanding for long missions on the International Space Station (ISS). ISS crewmembers usually live in space for at least a quarter o... | [
"work for longer missions in space",
"spend their free time in space",
"observe the Earth from space",
"connect with people on the Earth"
] | null | B | |
mmlu_stem | mmlu_stem_21521 | Which creature would be safest from predators in its natural underground habitat? | [
"eagles",
"lizards",
"moles",
"sardines"
] | null | C | |
mmlu_stem | mmlu_stem_2186 | A teacher opens a can of food in the front of a classroom. Soon, all of the students in the classroom can smell the food. Which statement identifies a property of a gas that allows all of the students to smell the food? | [
"A gas has no mass.",
"A gas has a large mass.",
"A gas takes the shape of its container.",
"A gas keeps its shape when placed in a container."
] | null | C | |
mmlu_stem | mmlu_stem_16096 | In some countries, the most common unlucky number is thirteen. People don't like to live in a house that is number 13. People don't like to have parties with thirteen people. People don't like to do important things on the thirteenth of the month. Also, when you add the Japanese unlucky numbers together---nine and four... | [
"9",
"12",
"13",
"24"
] | null | B | |
mmlu_stem | mmlu_stem_13602 | Look at the photo. The two girls have big blue eyes and long brown hair. They are ten. They are in the same class. The one in a yellow skirt is Lily. The other one in an orange skirt is Lucy. Bob is their brother . He is in a blue cap. He is a high school student. Their dad is Mr. White. He is in a brown coat. Their... | [
"Lily's",
"Lucy's",
"Bob's",
"A , B , & C"
] | null | D | |
mmlu_stem | mmlu_stem_21534 | An animals brain controls what? | [
"said organism",
"others",
"plants",
"fauna"
] | null | A | |
mmlu_stem | mmlu_stem_21630 | Moles are underground a lot of the time, and since few animals live there, they are unlikely to be | [
"near worms",
"killed by others",
"dirty",
"in dirt"
] | null | B | |
mmlu_stem | mmlu_stem_15996 | This is a picture of Kate Green's family. In the picture we can see her grandparents, herparents, her brother Mike and her. Her grandparents are on the chair. Mr Green and Mrs Greenare behind them. Mike is under the window. Kate is on the floor. What's behind Kate? It's a cat. It's black and white. Where is the cat? | [
"On the floor.",
"Under the window.",
"Behind Kate.",
"On the chair."
] | null | C | |
mmlu_stem | mmlu_stem_3484 | Governments and health officials around the world continued to take steps Tuesday against the outbreak of swine flu that has killed scores of people in Mexico and spread to the U.S., Europe and possibly Asia. By early Tuesday, the swine flu outbreak in Mexico had caused in 152 deaths and more than 1,600 illnesses. So f... | [
"calm",
"nervous",
"shocked",
"careful"
] | null | D | |
mmlu_stem | mmlu_stem_3301 | Jonathan James looks like just another kid about to graduate from high school. But this 19-year-old Swede is anything but ordinary, from the computer in his parents' home he helps the US Federal Bureau of Investigation (FBI) find out the world's most wanted cyber criminals . Jonathan first made headlines when he and an... | [
"where there's a will, there's a way",
"experience is knowledge",
"hard work leads to success",
"failure is the mother of success"
] | null | B | |
mmlu_stem | mmlu_stem_6000 | The physicians in a hospital form the center of medical staff. But they could not provide effective medical care to their patients without the help of numerous other medical employees. From the viewpoint of the patients, the nursing staff is particularly important. Nurses are usually in close contact with patients as l... | [
"they are careless.",
"nursing services must be provided continuously.",
"they work at night from time to time.",
"a shift is usually eight hours long."
] | null | B | |
mmlu_stem | mmlu_stem_8428 | Analysis of the composition of quicksand shows that there are four key ingredients--sand, obviously water, clay and salt. Together these materials form a structure resembling a house of cards, with large water-filled gaps between the sand particles, which are loosely glued in place by the clay. As long as it's left alo... | [
"A human killer--quicksand",
"How to escape from danger",
"An awful experience in quicksand",
"What to do if trapped in quicksand"
] | null | D | |
mmlu_stem | mmlu_stem_18902 | Which part of the body works closely with the digestive system to transport nutrients to the cells? | [
"lungs",
"blood",
"kidneys",
"esophagus"
] | null | B |
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