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question
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481 values
sciq-10171
multiple_choice
What joins within each testis to form the epididymis?
[ "viviparous tubules", "seminiferous tubules", "hypodermic tubules", "interstitial tubules" ]
B
sciq-7660
multiple_choice
Nucleic acids contain the information needed for cells to make what?
[ "lipids", "protons", "proteins", "metabolytes" ]
C
sciq-2776
multiple_choice
Each cell and every living thing requires what?
[ "salt", "calcium", "energy", "potassium" ]
C
sciq-3592
multiple_choice
What device is an electrochemical cell or series of cells that produces an electric current?
[ "battery", "generator", "magnet", "reactor" ]
A
sciq-1528
multiple_choice
Carbon is a nonmetal with a significantly higher electronegativity; it is therefore more likely to accept electrons in what kind of reaction?
[ "catalyst reaction", "redox reaction", "isotope reaction", "reversable reaction" ]
B
sciq-3878
multiple_choice
What is above each leaf scar?
[ "stipule scar", "chambered pitch", "lenticel", "an axillary bud" ]
D
sciq-8913
multiple_choice
What part of the body does the mycobacterium tuberculosis bacterium usually attack?
[ "lungs", "heart", "Pancreas", "muscles" ]
A
sciq-7918
multiple_choice
What gas is released by burning of fossil fuels and contributes to global warming?
[ "helium", "hydrogen", "nitrous oxide", "carbon dioxide" ]
D
sciq-5352
multiple_choice
Methane, ethane, and propane are three of the smallest what?
[ "organisms", "atoms", "alkanes", "microorganisms" ]
C
sciq-59
multiple_choice
Which radio frequency should you listen to if you want less noise?
[ "fm", "am", "cb", "wave" ]
A
sciq-7414
multiple_choice
What material is regularly used in human hip and knee implants?
[ "glass", "coal", "metal", "wood" ]
C
sciq-8699
multiple_choice
What do we call plants that shed their leaves seasonally each year?
[ "annuals", "deciduous plants", "lush plants", "perennials" ]
B
ai2_arc-242
multiple_choice
In what way can bacteria be good for the human body?
[ "Bacteria help the body have strong bones.", "Bacteria help maintain body temperature.", "Bacteria help deliver oxygen to the cells.", "Bacteria help break down food." ]
D
sciq-1221
multiple_choice
What term tells you how quickly the angle changes and can occur in either clockwise or counterclockwise directions?
[ "emit velocity", "shift velocity", "turning velocity", "angular velocity" ]
D
sciq-7308
multiple_choice
An atomic symbol is used to represent what?
[ "weight", "mole", "element", "electron shell" ]
C
sciq-2682
multiple_choice
What is the standard measurement for mass?
[ "volume", "BMI", "calories", "grams" ]
D
sciq-2624
multiple_choice
What are mass, volume, and length an example of?
[ "fantastic properties", "dynamic properties", "extensive properties", "extensive compounds" ]
C
sciq-10448
multiple_choice
During birth, a baby passes from the uterus through what organ to leave the body?
[ "Ovary", "the urethra", "Esophagus", "the vagina" ]
D
sciq-971
multiple_choice
The only things that affect the period of a simple pendulum are its length and the acceleration due to gravity. the period is completely independent of other factors, such as this?
[ "mass", "speed", "size", "rate" ]
A
sciq-8050
multiple_choice
What structures receive blood from the atria and pump it out of the heart?
[ "Vascular Fibers", "ventricles", "valves", "muscles" ]
B
sciq-9453
multiple_choice
What organizational tool, arguably the best in all of science, lists all the known chemical elements, arranged by atomic number?
[ "logic table", "tide table", "periodic table", "spreadsheet" ]
C
sciq-612
multiple_choice
Steam actually consists of tiny droplets of liquid what?
[ "water", "methane", "lead", "mercury" ]
A
sciq-11479
multiple_choice
A long chain of monosaccharides linked by glycosidic bonds is known as what?
[ "sulfate", "polymers", "polysaccharide", "Fructose" ]
C
ai2_arc-467
multiple_choice
What most likely happens when a cold air mass comes into contact with a warm, moist air mass?
[ "The sky becomes clear.", "Rain or snow begins to fall.", "Cold air is pushed to high altitudes.", "Warm air is pushed to ground level." ]
B
sciq-3227
multiple_choice
The penis, testes and epididymes are structures in what male anatomical system?
[ "protective", "reproductive", "immune", "endocrine" ]
B
sciq-431
multiple_choice
What is the name of the region of a magnet that has the most pull?
[ "center", "tail", "grid", "pole" ]
D
sciq-10491
multiple_choice
What does an array of radio telescopes collect?
[ "thermal waves", "light waves", "radio waves", "microwaves" ]
C
sciq-10944
multiple_choice
About how many thunderstorms are there each year worldwide?
[ "17 million", "23 million", "21 million", "14 million" ]
D
scienceQA-786
multiple_choice
How long is a garden snail?
[ "27 meters", "27 millimeters", "27 kilometers", "27 centimeters" ]
B
The best estimate for the length of a garden snail is 27 millimeters. 27 centimeters, 27 meters, and 27 kilometers are all too long.
sciq-4726
multiple_choice
Methanogens in their gut enable what process in cows?
[ "excretion", "regeneration", "absorption", "digestion" ]
D
sciq-5187
multiple_choice
Ions move through what to maintain electrical neutrality in the cell?
[ "the substrate", "the plasma", "the membrane", "the protein" ]
C
sciq-1709
multiple_choice
What season do the largest waves for surfers typically come?
[ "summer", "spring", "autumn", "winter" ]
D
sciq-4991
multiple_choice
What can be used to convert the energy provided by the sun to usable electrical energy?
[ "Pannels", "Wind Mills", "Power Plants", "solar cells" ]
D
sciq-4047
multiple_choice
What is the first classification of igneous rocks?
[ "color", "weight", "size", "composition" ]
D
sciq-182
multiple_choice
Mushrooms are an example of what type of organism, which includes beneficial and toxic specimens?
[ "seeds", "bacteria", "spores", "fungi" ]
D
sciq-8220
multiple_choice
Which of the animals digest cellulose with the aid of methanogens?
[ "apes", "pigs", "cows", "goats" ]
C
sciq-6265
multiple_choice
When fossil fuel is burned the chemical energy is converted into what?
[ "kinetic energy", "natural energy", "thermal energy", "atmospheric energy" ]
C
ai2_arc-9
multiple_choice
Hatchling sea turtles are typically dark in color. Occasionally, a sea turtle hatches that is almost white in color. When crawling from the nest on the beach to the ocean, this light-colored sea turtle could be at risk for sunburn. The light color of the turtles would most likely
[ "help the turtles have better chances at reproducing.", "cause the shell of the sea turtles to become stronger.", "reduce the chances of turtles surviving to reproduce.", "help in the development of a new species of sea turtles." ]
C
sciq-1721
multiple_choice
Living things get energy from food in a process called respiration, which releases what gas back into the atmosphere?
[ "hydrogen", "carbon dioxide", "oxygen", "nitrogen" ]
B
ai2_arc-535
multiple_choice
Which of the following has the least momentum?
[ "a 0.5 kg mass with a 1000 m/s velocity", "a 1 kg mass with a 100 m/s velocity", "a 10 kg mass with an 11 m/s velocity", "a 100 kg mass with a 2 m/s velocity" ]
B
sciq-4634
multiple_choice
Where do the majority of species live?
[ "trees", "ocean", "land", "air" ]
B
sciq-9374
multiple_choice
When it is winter in the northern hemisphere the southern hemisphere experiences which season?
[ "winter", "spring", "autumn", "summer" ]
D
sciq-6277
multiple_choice
What term describes the number of items in a given area or volume?
[ "fraction", "concentration", "density", "alkalinity" ]
B
sciq-11158
multiple_choice
At certain times of year, a stream or river may overflow its banks. what is the area of land that is flooded called?
[ "inlet", "run off", "lowland", "floodplain" ]
D
sciq-3349
multiple_choice
What is term for the smallest particle of an element that still has the properties of said element?
[ "nucleus", "proton", "atom", "molecule" ]
C
sciq-8123
multiple_choice
What may be lost when waves travel through matter, but not when they travel through space?
[ "matter", "frequency", "threshold", "energy" ]
D
sciq-6563
multiple_choice
The male and female reproductive system is regulated by follicle-stimulating hormone (fsh) and luteinizing hormone (lh) produced by what gland?
[ "pituitary", "thyroid", "adrenal", "testes" ]
A
sciq-7843
multiple_choice
What layer covers the bones that make them look tough, shiny, and white?
[ "epidermis", "periosteum", "epithelium", "cuticle" ]
B
sciq-1047
multiple_choice
What causes the changes of puberty?
[ "estrogen", "testosterone", "glucose", "insulin" ]
A
sciq-8874
multiple_choice
Which process helps provide cleaner water for agriculture?
[ "sterilization", "purification", "process of desalinization", "osmosis" ]
C
sciq-1826
multiple_choice
When a solid substance is involved in a chemical reaction, only the matter from which part of the solid is exposed to other reactants?
[ "the base", "the interior", "the top", "the surface" ]
D
sciq-2060
multiple_choice
The rate of flow of charge in an electrical circuit is known as what?
[ "current", "velocity", "voltage", "output" ]
A
sciq-2744
multiple_choice
What is magnetism produced by an electrical current?
[ "electromagnetism", "hydromagnetism", "exomagnetism", "strong magnetism" ]
A
sciq-6570
multiple_choice
What does the inner membrane divide into two internal compartments?
[ "epidermis", "golgi apparatus", "chitin", "mitochondrion" ]
D
sciq-6397
multiple_choice
Where do radio waves lie on the electromagnetic spectrum?
[ "middle", "far right", "top", "far left" ]
D
sciq-10115
multiple_choice
Where are the terrestrial planets located, in relation to the sun?
[ "To the left", "To the right", "closest", "farthest" ]
C
sciq-6065
multiple_choice
What functions like a flexible coat of armor, preventing the protist from being torn or pierced without compromising its range of motion?
[ "fimbriae", "biofilm", "pellicle", "endothelium" ]
C
sciq-582
multiple_choice
How does alcohol expand over a wide range of temperatures?
[ "variably", "exponentially", "uniformly", "erratically" ]
C
sciq-8843
multiple_choice
Fruit-eating bats receive food from plants and, in return, help these plants by doing what?
[ "spreading seeds", "protecting them", "fertilizing them", "pollinating seeds" ]
A
sciq-1803
multiple_choice
What is driven by the sun's energy and moves water over the surface of earth?
[ "sun cycle", "the water cycle", "weather cycle", "tides" ]
B
sciq-2885
multiple_choice
What term is used to describe the parts of the brain involved in the reception and interpretation of sensory stimuli collectively?
[ "neurons", "medulla oblongata", "glial cells", "sensorium" ]
D
sciq-6750
multiple_choice
Monatomic ions have an oxidation number equal to their what?
[ "charge", "cost", "length", "size" ]
A
sciq-2822
multiple_choice
What is formed when plant bodies are lithified?
[ "fossils", "coal", "copper", "methane" ]
B
sciq-4885
multiple_choice
Wich disorder arises when defective valves allow blood to accumulate within the veins?
[ "varicose veins", "bulging veins", "vascular disease", "cataracts veins" ]
A
sciq-7364
multiple_choice
What is an ionic bond in nature?
[ "kinetic", "electrostatic", "magnetic", "radioactive" ]
B
sciq-4398
multiple_choice
What is defined as a group of living and nonliving things and their environment?
[ "degradation", "degradation", "habitat", "ecosystem" ]
D
sciq-10727
multiple_choice
What visual property of soil indicates fertility and nitrogen content?
[ "texture", "contrast", "quality", "color" ]
D
sciq-7263
multiple_choice
After ovulation occurs, the moving “fingers” of what nearby structure sweep the egg into its tube?
[ "androgenen tube", "fallopian tube", "nadiad tube", "vertebral tube" ]
B
sciq-8218
multiple_choice
What are resources that can not be remade, or would take too long to remake to keep up wiht human use called?
[ "photoreactive resources", "nonrewable resources", "green resources", "renewable resources" ]
B
sciq-2066
multiple_choice
What is the term for animals that have a backbone?
[ "vertebrates", "herbivores", "carnivores", "invertebrates" ]
A
ai2_arc-145
multiple_choice
When a tadpole grows, its gills change into lungs. What does it now need to survive?
[ "Air", "Water", "Soil", "Fins" ]
A
sciq-1600
multiple_choice
The union of gametes is called?
[ "pollination", "migration", "fertilization", "fusion" ]
C
sciq-7238
multiple_choice
What of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant?
[ "frequency", "sound", "oscillation", "resonance" ]
A
sciq-422
multiple_choice
In scientific investigations, descriptive statistics are useful for summarizing the characteristics of large what?
[ "tissues", "samples", "organisms", "questions" ]
B
sciq-4234
multiple_choice
Amines are classified according to the number of carbon atoms bonded directly to what atom?
[ "nitrogen", "helium", "hydrogen", "oxygen" ]
A
sciq-9094
multiple_choice
Some earthworms can also reproduce asexually by fragmentation followed by what?
[ "regeneration", "fertilization", "germination", "digestion" ]
A
sciq-9964
multiple_choice
What two types of atoms bond to form sulfate minerals?
[ "carbon and sulfur", "oxygen and calcium", "oxygen and carbon", "oxygen and sulfur" ]
D
sciq-9703
multiple_choice
What helps to propel sponge larvae through the water?
[ "antennae", "mucus", "cilia", "tentacles" ]
C
sciq-137
multiple_choice
What environment do animals with gills live in?
[ "water", "underground", "air", "cold" ]
A
sciq-5212
multiple_choice
What structure connects the fetus to the placenta, allowing the exchange of gases?
[ "sediment cord", "skin cord", "umbilical cord", "belly button" ]
C
ai2_arc-878
multiple_choice
The Periodic Table of the Elements is arranged so that elements with similar characteristics are in the same column. Which element is a highly reactive metal?
[ "chlorine (Cl)", "helium (He)", "magnesium (Mg)", "silver (Ag)" ]
C
sciq-11671
multiple_choice
What is the major artery of the body, taking oxygenated blood to the organs and muscles of the body?
[ "capillary", "carotid", "aorta", "diastolic" ]
C
sciq-10845
multiple_choice
What does ubiquitin indicate about a protein's lifespan?
[ "transaction", "reaction ratio", "initiation", "completion" ]
D
sciq-6760
multiple_choice
How often does condensation occur in your cells?
[ "weekly", "constantly", "daily", "never" ]
B
sciq-11361
multiple_choice
When zinc reacts with hydrochloric acid, the reaction bubbles vigorously as which type of gas is produced?
[ "chlorine", "hydrogren", "nitrogen", "oxygen" ]
B
ai2_arc-13
multiple_choice
The male insects in a population are treated to prevent sperm production. Would this reduce this insect population?
[ "No, because the insects would still mate.", "No, because it would not change the offspring mutation rate.", "Yes, because it would sharply decrease the reproduction rate.", "Yes, because the males would die." ]
C
sciq-10533
multiple_choice
What are centrioles made from?
[ "short microtubules", "carbon", "short particles", "short filaments" ]
A
sciq-3648
multiple_choice
What is the distance between the nuclei of two identical atoms bonded together called?
[ "bond radius", "sleep radius", "cycle radius", "atomic radius" ]
D
sciq-8729
multiple_choice
What describes a close and long-term interaction between different species?
[ "dermatitis", "parasitic", "symbiosis", "endosymbiosis" ]
C
sciq-6666
multiple_choice
How do prokaryotes reproduce?
[ "asexually", "inorganically", "sexually", "unusually" ]
A
sciq-3322
multiple_choice
Which body part is unsuitable for animals living on land?
[ "hands", "feet", "lungs", "gills" ]
D
sciq-1154
multiple_choice
Elemental carbon is a black, dull-looking solid that conducts heat and this?
[ "electricity", "vibration", "energy", "light" ]
A
sciq-4713
multiple_choice
When blood vessels in the head dilate, what kind of severe headache can occur?
[ "malignant", "chronic headache", "tension headache", "migraine" ]
D
sciq-5353
multiple_choice
The number of neutrons and electrons may vary or change in an atom. what happens to the number of protons?
[ "increases", "depends", "decreases", "remains the same" ]
D
sciq-8868
multiple_choice
What waves do radio and television use?
[ "sound waves", "gamma waves", "radio waves", "light waves" ]
C
sciq-1892
multiple_choice
What field of study is called the language of science?
[ "physics", "mathematics", "linguistics", "logic" ]
B
sciq-8820
multiple_choice
What is the transparent outer covering of the eye?
[ "iris", "pupil", "retina", "cornea" ]
D
sciq-2667
multiple_choice
Controlled variables are kept what to prevent them from influencing the effects of the independent variable on the dependent variable?
[ "constant", "mechanical", "fleeting", "temporary" ]
A
sciq-3716
multiple_choice
In a smoke detector, a battery in the electric circuit creates what between the metal plates?
[ "hydrogen", "magnetism", "cooling", "voltage" ]
D
sciq-647
multiple_choice
What is the plasma membrane mainly composed of?
[ "antibodies", "filaments", "phospholipids", "carbon" ]
C