dataset stringclasses 2
values | question stringlengths 6 999 | option_1 stringlengths 1 180 | option_2 stringlengths 1 185 | option_3 stringlengths 1 184 | option_4 stringlengths 1 180 | answer stringlengths 1 184 |
|---|---|---|---|---|---|---|
sciq | The maturing follicle, containing a fluid-filled cavity, enlarges, forming a bulge near the surface of what? | the ovary | the pelvis | the abdomen | the vagina | the ovary |
sciq | What are the primary producers in the ocean? | zooplankton | algea | phytoplankton | fish | phytoplankton |
sciq | Which law describes the angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface? | diffusion | gravity | velocity | reflection | reflection |
sciq | What is energy from the sun called? | kinetic energy | potential energy | thermodynamic energy | solar energy | solar energy |
sciq | What is an organic compound made up of small molecules called amino acids called? | a protein | a carbohydrate | a fat | a compound | a protein |
sciq | Because plants are relatively immobile, they can function with bulky energy storage in the form of what? | starch | dioxide | protein | fat | starch |
sciq | What "kind" of water may take longer to become contaminated than surface water, while the natural cleaning process may take longer? | groundwater | lake water | spring water | dam water | groundwater |
sciq | Which type of electrons plays the most important role in chemical reactions? | valence | intermediate | transition | noncovalent | valence |
sciq | What is the method of reproduction for echinoderms? | external fertilization | fragmentation | pollination | internal fertilization | external fertilization |
sciq | When lactose is absent, a repressor protein binds to what? | worker | network | operator | differential | operator |
sciq | For many decades, scientists have known that atoms consist of electrons and other particles called protons and? | neutrons | nanoparticles | rods | waves | neutrons |
sciq | Where is pedocal soil commonly found? | forests | slopes | deserts | grasslands | grasslands |
sciq | An electormagnet is a piece of iron inside a? | copper core | solenoid | reactor | tunnel | solenoid |
sciq | Hardness, density, color, and melting and boiling points are all considered what types of properties? | chemical | visible | thermal | physical | physical |
sciq | What type of terminal releases neurotransmitters at a synapse? | axon | secretion | chloride | acetylcholine, | axon |
sciq | What is the process where light bounces back from surfaces that it cannot pass through? | absorbtion | direction | reflection | diffraction | reflection |
sciq | Where is food stored? | the stomach | The gall bladder | The esophagus | The liver | the stomach |
sciq | What methods allow scientists to add to scientific knowledge and gain a better understanding of the world? | early investigations | through investigations | close investigations | slow investigations | through investigations |
sciq | What moves sediments after they have formed? | migration | photosynthesis | erosion | perspiration | erosion |
sciq | Canoe paddles, nutcracker, and hammer are examples of what type of simple machine? | lever | lock | pivot | handle | lever |
sciq | Lack of what mineral causes rickets? | zinc | potassium | calcium | magnesium | calcium |
sciq | What kind of relationship exists between living things that depend on the same resources? | competition | symbiotic | antagonistic | parasitic | competition |
sciq | Cooling or evaporation of what from the sea surface makes surface water dense? | salt water | dirty water | fresh water | warm water | fresh water |
sciq | The infection-fighting complement system consists of roughly 30 proteins in? | blood plasma | stomach acid | stool | fats | blood plasma |
sciq | The bond between the two nitrogen atoms is a what? | single bond | triple bond | double bond | quadruple bond | triple bond |
sciq | The remainder is transferred by contraction of what before the ventricles begin to contract? | the arteries | the stomach | the atria | the large intestine | the atria |
sciq | The earth is tilted on its what? | compass | top | axis | radius | axis |
sciq | What do decomposers release back to the environment after they break down the remains and other wastes? | simple inorganic molecules | unrefined waste | nematodes | carbon monoxide | simple inorganic molecules |
sciq | What type of rocks form from cooled magma or lava? | metamorphic | granite | igneous | sedementary | igneous |
sciq | The process where an atomic nucleus breaks apart into two less massive nuclei is known as ______. | collision | fusion | diffusion | fission | fission |
sciq | What is the modern periodic table based on? | element mass | element density | atomic number | metallic number | atomic number |
sciq | Yogurt is made from milk fermented with what type of organism? | bacteria | viruses | algae | yeast | bacteria |
sciq | Pavement cells, large, irregularly shaped parenchymal cells which lack chloroplasts, make up the majority of what? | dermis | Skin | epidermis | layers | epidermis |
sciq | What gas is contributing to the greenhouse effect? | sodium chloride | carbon dioxide | oxygen | nitrogen | carbon dioxide |
sciq | What is an interesting example of a molecule with two central atoms, which are both c atoms? | chloride | sulfur | acetylene | water | acetylene |
sciq | When animals get rid of their gaseous waste, what is exhaled through their mouth and nose? | carbon monoxide | hydrogen | oxygen | carbon dioxide | carbon dioxide |
sciq | What does the coefficient in front of an element in a formula indicate? | time of the reaction | place on the Periodic Table | number of atoms | how much is involved in the reaction | how much is involved in the reaction |
sciq | All eukaryotic cells have mitochondria, but not all eukaryotic cells have what? | chloroplasts | ribosomes | golgi bodies | cytoplasm | chloroplasts |
m1_mnlp | Consider the group $(\mathbb{Z} / 23 \mathbb{Z}^*, \cdot)$. Find how many elements of the group are generators of the group. (Hint: $5$ is a generator of the group.) | $11$ | $22$ | $2$ | $10$ | $10$ |
sciq | Plants obtain the molecules for cellular function though what? | Plants | tissues | photosynthesis | nutrients | photosynthesis |
sciq | What is the name of the cell that results when a sperm nucleus fuses with a egg nucleus? | t cell | a cytoplasm | a filament | a zygote | a zygote |
sciq | What is the transfer of heat by a current? | radiation | combustion | convection | diffusion | convection |
sciq | What element has the atomic number 16? | oxygen | neon | helium | sulfur | sulfur |
sciq | The stems of all vascular plants get longer through primary growth. this occurs in primary meristem at the tips and ______ of the stems. | layers | nodes | edges | bottoms | nodes |
sciq | Who invented dynamite in 1866? | alfred nobel | Louis Pasteur | Albert Einstein | Madame Curie | alfred nobel |
sciq | What is the process of making atp without oxygen called? | Cell Division | photosynthesis | condensation | fermentation | fermentation |
sciq | When sparks from a steel grinder react with oxygen, what do they form? | steel oxide | iron oxide | rust | spontaneous combustion | iron oxide |
m1_mnlp | Which of the following is an acceptable commitment scheme, i.e., one that verifies the hiding and binding property (for a well chosen primitive and suitable $x$ and $r$): | $Commit(x;r) = Enc_r(x)$, where $Enc_r$ is a symmetric encryption scheme with key $r$. | $Commit(x;r) = H(x)$, where $H$ is a hash function. | $Commit(x;r) = x \oplus r$, where $\oplus$ is the bitwise xor operation. | $Commit(x;r) = H(r\|x)$, where $H$ is a hash function and $\|$ denotes the concatenation. | $Commit(x;r) = H(r\|x)$, where $H$ is a hash function and $\|$ denotes the concatenation. |
sciq | Most oxygen in blood is bound to a protein called what, and carried to the tissues? | plasma | platelete | hemoglobin | hydrogen | hemoglobin |
sciq | What is used by sensitive systems to detect even low levels of radiation? | ions | electrons | crystals | radars | crystals |
sciq | All animals have specialized types of what basic structures, which can then do different jobs? | muscles | cells | atoms | proteins | cells |
sciq | What group of gases are unusually unreactive? | volcanic gases | greenhouse gases | noble gases | halogens | noble gases |
sciq | Archaeans help break down sewage in waste treatment plants, so they fulfill what important role? | consumers | decomposer | pollenation | producers | decomposer |
sciq | What are compounds formed by ionic bonds called? | layered compounds | ionic compounds (salts) | nuclear compounds | mixed compounds | ionic compounds (salts) |
sciq | What term means opposition to the flow of electric charges that occurs when electric current travels through matter? | antagonism | polarity | diffusion | resistance | resistance |
sciq | What is the process when animals maintain an internal temperature? | thermoregulation | homeostasis | osmoregulation | bioaccumulation | thermoregulation |
sciq | The partial pressure of each gas in a mixture is proportional to its what? | mesh fraction | chemical fraction | mole fraction | lactic fraction | mole fraction |
sciq | Refraction happens when light bends from doing what in a new medium? | changing brightness | changing trajectory | changing speed | changing color | changing speed |
sciq | What consists of these five stages: prophase, prometaphase, metaphase, anaphase, and telophase? | germination | meiosis | evolution | mitosis | mitosis |
sciq | Atoms of the same element that have different masses are called what? | variations | isotopes | radioactive | mutations | isotopes |
sciq | In plants, a high concentration of iaa inhibits what? | same elongation | Cell reproduction | cell elongation | technology elongation | cell elongation |
sciq | Most people can survive only a few days without what essential substance? | water | air | food | carbon | water |
sciq | Work is done only if a force is exerted in the direction of what? | gravity | north | motion | wind | motion |
sciq | What causes waves to bring sand up onto the beach during summers? | no energy | low energy | high energy | low sand density | low energy |
sciq | Plant cells have cell walls that are made of what? | tissue | carbonate | cellulose | nucleus | cellulose |
sciq | What are the attractive forces that occur between polar molecules called? | ion-dipole forces | dipole-dipole forces | induced-dipole forces | particle - dipole forces | dipole-dipole forces |
sciq | What is the study of the energy transformations that occur in a collection of matter? | thermodynamics | kinetics | fluctuations | geophysics | thermodynamics |
sciq | The major component of what cellular structures is the phospholipid bilayer? | nuclei | cell membranes | cytoplasm | ribosomes | cell membranes |
sciq | What does glycolysis generate in phase ii? | adp | atp | dna | amino acids | atp |
sciq | What part of a chromosome exists in different states of condensation at different times? | the chromatin | chromonema | pellicle | centromeres | the chromatin |
sciq | In glycolysis, glucose is split into two molecules of pyruvate. this results in a net gain of? | six atp molecules | two atp molecules | three atp molecules | four atp molecules | two atp molecules |
sciq | Debroglie proposed in 1924 that any object exhibits a wavelength that is inversely proportional to its? | momentum | frequency | velocity | inertia | momentum |
sciq | What is the medical process of removing wastes and excess water from the blood by diffusion and ultrafiltration called? | tumors | digestion | dialysis | arthritis | dialysis |
sciq | What is the name for the nonliving parts of ecosystems? | nucleic factors | Dead factors | abiotic factors | diverse factors | abiotic factors |
sciq | What kind of air does a continental polar air mass hold? | cold dry air | cool moist air | frigid wet air | warm dry air | cold dry air |
sciq | A catalyst can increase the rate of what, in general? | carbon reaction | chemical reaction | mechanicl reaction | consumption reaction | chemical reaction |
sciq | Oxygen has the second highest electronegativity of any element; consequently, it prefers to share or accept electrons from other elements. only with fluorine does oxygen form compounds in this? | negative Oxidation States | positive oxidation states | liquid oxidation states | chemical oxidation states | positive oxidation states |
sciq | Matter can be described with what two encompassing types of properties? | color and distance | thermal and magnetic | velocity and energy | physical and chemical | physical and chemical |
sciq | What is the lowest level of organism that can perform all activities required for life? | cell | nucleus | system | atom | cell |
sciq | A circuit must be what in order for electric devices such as light bulbs to work? | down | cyclical | open | closed | closed |
sciq | What is prosopagnosia? | time blindness | face blindness | way blindness | lack of memory | face blindness |
sciq | Biochemistry is the study of the chemistry of? | abiotic factors | living systems | the Earth | inorganic matter | living systems |
sciq | What type of waves start when a source of energy causes a disturbance in the medium? | mechanical waves | magnetic waves | fluid waves | mechanical currents | mechanical waves |
sciq | The process in which dna is copied is called what? | dna splicing | dna replication | dna transfer | dna duplication | dna replication |
sciq | The primary lymphoid organs are the bone marrow and what else? | pinneal gland | thymus gland | kidneys | thyroid | thymus gland |
sciq | Which part of the brain secretes hormones that tell the pituitary gland either to secrete or to stop secreting its hormones? | cerebrum | hippocampus | hypothalamus | thalamus | hypothalamus |
sciq | What are complex organic molecules that make up cells? | proteins | carbohydrates | sugars | acids | proteins |
sciq | Birds belong to a group of diapsids called the what? | conifers | mammals | archosaurs | aviators | archosaurs |
sciq | Hydrostatic skeletons are well suited for life in what kind of environments? | surface | aquatic | pelagic | bacterial | aquatic |
sciq | Isobaric expansion is a process occurring without a change in what? | temperature | pressure | direction | energy | pressure |
sciq | Substances produced by a reaction are known as? | minerals | compounds | solutions | products | products |
sciq | What includes the living organisms in an area and the non-living aspects of the environment? | outpost | degradation | ecosystem | habitat | ecosystem |
sciq | What instrument, with a digital readout, is used by scientists to measure very small masses? | mixed balance | electronic balance | common balance | mechanical balance | electronic balance |
sciq | What organelles are known as the "power plants" of the cell? | flagella | plastid | golgi body | mitochondria | mitochondria |
sciq | The voltage of a voltaic cell can be determined by the reduction potentials of what? | thermal reactions | half reactions | full reactions | old reactions | half reactions |
sciq | Amino acid units in a protein are connected by what bonds? | covalent | ionic | acidic | peptide | peptide |
sciq | What does hypoxic mean? | Oxygen rate | low oxygen | higher oxygen | standard oxygen level | low oxygen |
sciq | Earthworms and ants possess what type of bodies, which means division into multiple parts? | elliptical | truncated | segmented | elongated | segmented |
sciq | What trophic level are secondary consumers (which eat primary consumers) considered to be? | trophic level 2 | trophic level 5 | trophic level 3 | trophic level 4 | trophic level 3 |
sciq | What causes acid rain? | air pollution | heavy pollution | carbon dioxide | chemicals in waterways | air pollution |
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