Jenjamin3000/MNLP_M3_MCQA_before_FT · Datasets at Hugging Face

id stringlengths 6 15	question_type stringclasses 1 value	question stringlengths 15 683	choices listlengths 4 4	answer stringclasses 5 values
sciq-2063	multiple_choice	The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming?	[ "argon", "iron oxide", "carbon dioxide", "liquid dioxide" ]	C
sciq-6983	multiple_choice	What are different forms of the same gene?	[ "genomes", "nuerons", "peptides", "alleles" ]	D
sciq-4117	multiple_choice	Transparent, translucent, or opaque are properties of matter based on an interaction with what?	[ "electricity", "gravity", "light", "air" ]	C
sciq-3995	multiple_choice	What is the most effective color in interrupting the nighttime portion of the photoperiod?	[ "yellow", "red light", "white light", "blue light" ]	B
sciq-1915	multiple_choice	What are the most numerous and diverse biochemical compounds?	[ "acids", "lipids", "proteins", "vitamins" ]	C
sciq-6380	multiple_choice	Each kidney is supplied by a renal artery and what else?	[ "brain vein", "spinal cord", "renal vein", "coronary artery" ]	C
sciq-6074	multiple_choice	What is the lipid-rich sheath that surrounds the axon and facilitates the transmission of electrical signals along the axon?	[ "neural sheath", "axon sheath", "myelin sheath", "receptors sheath" ]	C
sciq-2526	multiple_choice	Elements that specifically are noted to have properties of both metals and nonmetals are known as what?	[ "alkali metals", "compund metals", "metalloids", "alloys" ]	C
sciq-7849	multiple_choice	What is another term for all eukaryotic organisms that are neither animals, nor plants, nor fungi?	[ "arthropods", "protists", "paramecium", "prokaryotes" ]	B
sciq-5257	multiple_choice	The duodenum is the first and the shortest part of what, and is where most chemical digestion takes place?	[ "rectum", "stomach", "large intestine", "small intestine" ]	D
sciq-9119	multiple_choice	Zoonotic pathogens are transferred from what to what?	[ "animals to humans", "animals to animals", "humans to humans", "humans to animals" ]	A
sciq-4189	multiple_choice	What are the two types of cells?	[ "bacteria and eukaryotes", "mammal and plant", "prokaryotes and eukaryotes", "animal and bacteria" ]	C
sciq-3801	multiple_choice	What is the major cause of outdoor air pollution?	[ "agricultural equipment", "burning fossil fuels", "electric lines", "manufacturing industry" ]	B
sciq-9906	multiple_choice	What type of cells are gametes?	[ "proteins", "immune", "cardiac", "reproductive" ]	D
sciq-6388	multiple_choice	What is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration?	[ "diffusion", "condensation", "absorption", "secretion" ]	A
sciq-4249	multiple_choice	Competition within a species is called what?	[ "reproducible competition", "species competion", "internal competition", "intraspecific competition" ]	D
sciq-10067	multiple_choice	When does an oocyte complete meiosis?	[ "metaphase", "anaphase", "after sperm penetration", "prophase" ]	C
sciq-3501	multiple_choice	A solute generally does what to the freezing point of a solvent?	[ "raises it", "regulates it", "increases it", "lowers it" ]	D
sciq-9591	multiple_choice	The sun’s energy is converted to chemical energy by a what?	[ "plant", "mammal", "amphibian", "bacterium" ]	A
sciq-2978	multiple_choice	Concentration is the removal of solvent, which increases the concentration of what?	[ "vapor", "Water", "solute", "sodium" ]	C
sciq-8882	multiple_choice	A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change?	[ "amphibians", "mammals", "reptiles", "insects" ]	B
sciq-1224	multiple_choice	Why does neptune's appearance change?	[ "the seasons", "turbulent atmosphere", "the speed of rotation", "the changing orbit" ]	B
sciq-1835	multiple_choice	Rising and falling levels of what will result in progression of the ovarian and menstrual cycles?	[ "hormones", "blood pressure", "red blood cells", "oxygen" ]	A
sciq-2854	multiple_choice	The most important characteristic of extant amphibians is a moist, permeable skin used for this?	[ "cutaneous respiration", "avian respiration", "simple respiration", "benign respiration" ]	A
sciq-9202	multiple_choice	In mammals, sound waves are collected by the external, cartilaginous part of the ear called the pinna, then travel through the auditory canal and cause vibration of the thin diaphragm called the tympanum or this?	[ "head drum", "microphone drum", "speaker drum", "ear drum" ]	D
sciq-7651	multiple_choice	What type of isotopes have short half-lives and are given in very low doses?	[ "gasses", "stable isotopes", "radioisotopes", "radionuclides" ]	C
sciq-4589	multiple_choice	The ions in ionic compounds are arranged in rigid three-dimensional patterns called what?	[ "core lattices", "pattern lattices", "lattice groups", "crystal lattices" ]	D
sciq-1084	multiple_choice	What type of pollution is generated by power plants and factories that can directly raise the temperature of water?	[ "atmospheric pollution", "Space Pollution", "variable pollution", "thermal pollution" ]	D
sciq-5290	multiple_choice	What were the first living things to evolve on earth?	[ "eukaryotes", "carbon", "DNA", "prokaryotes" ]	D
ai2_arc-819	multiple_choice	The marsh willow herb is a plant native to the northeastern United States. It grows best in damp habitats. Which of the following environmental changes would most likely cause a decrease in the marsh willow herb population in an area?	[ "a rainstorm lasting several weeks", "a drought lasting twelve months", "unusually low temperatures during the month of July", "unusually high temperatures during the month of January" ]	B
sciq-2179	multiple_choice	Without dinoflagellate symbionts, corals lose algal pigments in a process called coral bleaching and eventually die, while corals in turn provide protection, making this what type of relationship?.	[ "semantic", "symbiotic", "idealistic", "parasitic" ]	B
sciq-7369	multiple_choice	What sciences are the study of living organisms?	[ "life sciences", "earth sciences", "social sciences", "physical sciences" ]	A
sciq-3351	multiple_choice	What branch of science is based on the modern atomic theory, which states that all matter is composed of atoms?	[ "chemistry", "psychology", "biology", "physics" ]	A
sciq-3030	multiple_choice	Carbon fixation is the first step of what cycle involving light reactions?	[ "water cycle", "sun cycle", "calvin cycle", "life cycle" ]	C
sciq-5692	multiple_choice	What makes soil and rock particles move gradually down the slope during each thaw?	[ "heat", "rain", "gravity", "wind" ]	C
sciq-2989	multiple_choice	Which hormone is secreted by the pancreas in a human body?	[ "growth hormone", "progesterone", "estrogen", "insulin" ]	D
sciq-1193	multiple_choice	Oncogenes are involved in the formation of what disease?	[ "heart disease", "cancer", "colds", "autoimmune disease" ]	B
sciq-5801	multiple_choice	What is the tail bone an example of?	[ "vestigial structure", "primordial structure", "parasitic structure", "invertebrate structure" ]	A
sciq-11153	multiple_choice	When the monocilia are defective, what is disrupted?	[ "inhibiting", "signaling", "triggering", "predicting" ]	B
sciq-5773	multiple_choice	Fibrous root systems have many small branching roots called what?	[ "fibrous roots", "taproots", "vines", "tendrils" ]	A
ai2_arc-256	multiple_choice	Which energy conversion happens when a person shivers and the energy is transferred to make the muscles and joints move?	[ "kinetic energy to potential energy", "heat energy to kinetic energy", "potential energy to chemical energy", "chemical energy to mechanical energy" ]	D
ai2_arc-315	multiple_choice	Ptolemy was an ancient astronomer who thought Earth was the center of the universe. When he made observations that were inconsistent with this, he proposed a phenomenon called "epicycles" to explain the observations. How was Ptolemy's process similar to the modern scientific process?	[ "Ptolemy based his model partly on a belief system.", "Observations inspired Ptolemy to modify his explanations.", "Ptolemy tried to describe the universe instead of explaining it.", "Experiments were the basis of Ptolemy's model of the universe." ]	B
sciq-8289	multiple_choice	Pathogens infect many animals and are agents of what?	[ "change", "drought", "mutation", "disease" ]	D
sciq-3194	multiple_choice	What living things have cell walls containing cellulose and plastids such as chloroplasts?	[ "reptiles", "plants", "mammals", "animals" ]	B
sciq-8294	multiple_choice	People with which skin type run a greater risk of vitamin d deficiency?	[ "brighter skin", "lighter skin", "darker skin", "weaker skin" ]	C
sciq-2462	multiple_choice	In humans, pharyngeal slits later develop into what?	[ "outer ear", "long ear", "middle ear", "inner ear" ]	C
sciq-11647	multiple_choice	Since warmer molecules have more energy, they are more what?	[ "active", "inactive", "dense", "abundant" ]	A
sciq-11642	multiple_choice	Because their cells are arranged in bundles, the appearance of skeletal and cardiac muscles is described as what?	[ "quadrant", "incised", "striated", "cylindrical" ]	C
sciq-5608	multiple_choice	What human traits are controlled by more than one gene?	[ "maladaptive traits", "polygenic traits", "autolysis traits", "mutant traits" ]	B
sciq-2125	multiple_choice	Large amounts of fuel are stored in skeletal muscles, adipose tissues and what organ?	[ "liver", "skin", "spleen", "kidney" ]	A
sciq-1453	multiple_choice	What do rocket-based systems use to propel itself into space?	[ "hydrogen reactions", "chemical reactions", "water reactions", "nuclear reactions" ]	B
sciq-1441	multiple_choice	In the lungs, bicarbonate is transported back into the red blood cells in exchange for what?	[ "glucose", "phosphate", "chloride", "oxygen" ]	C
sciq-201	multiple_choice	What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids?	[ "protons", "proteins", "lipids", "hormones" ]	B
sciq-4685	multiple_choice	What do animals store with the help of saturated fatty acids?	[ "sugar", "oxygen", "protein", "energy" ]	D
sciq-339	multiple_choice	What are the contacts between neurons called?	[ "synapses", "impulses", "neurapses", "electrodes" ]	A
sciq-7354	multiple_choice	In hypothesis-based science, specific results are predicted from a general premise, which is called what type of reasoning that proceeds from general to particular?	[ "reactive", "transitive", "deductive", "reflexive" ]	C
ai2_arc-163	multiple_choice	Tall plants are dominant to short plants. What is the outcome if two short plants are crossed?	[ "all tall plants", "all short plants", "half tall plants, half short plants", "1/4 tall plants, 1/3 short plants" ]	B
sciq-7851	multiple_choice	When magma reaches the surface through cracks in the earth's crust, what occurs?	[ "tsunami", "volcanic explosion", "magma eruption", "volcanic eruption" ]	D
sciq-2389	multiple_choice	What is crucial for the fermentation progress in making bread?	[ "larvae", "cold", "yeast", "fruit" ]	C
sciq-10160	multiple_choice	How are protozoa that cause giardiasis spread?	[ "insects", "starch and water", "food and water", "lakes and rivers" ]	C
sciq-10848	multiple_choice	Where does an electron move to after it absorbs energy?	[ "a shell farther from the nucleus", "atomic orbit", "another electron", "a shell closer to the nucleus" ]	A
sciq-225	multiple_choice	Where does the embryo develop in a plant?	[ "outside the female plant after fertilization", "inside the stem after fertilization", "inside the male plant after fertilization", "inside the female plant after fertilization" ]	D
ai2_arc-63	multiple_choice	Which of these is an example of liquid water?	[ "Frost", "Ice", "Rain", "Steam" ]	C
sciq-5982	multiple_choice	What is the term for a state of matter that yields to sideways or shearing forces?	[ "solid", "plasma", "gravity", "fluid" ]	D
sciq-2656	multiple_choice	According to early accounts, newton was inspired to make the connection between falling bodies and astronomical motions when he saw an apple fall from a tree and realized that if the gravitational force could extend above the ground to a tree, it might also reach this?	[ "horizon", "stars", "moon", "sun" ]	D
sciq-2715	multiple_choice	In what phase is the moon brightly illuminated?	[ "crescent", "full moon", "blue moon", "new moon" ]	B
sciq-11200	multiple_choice	Around 97% of all water on earth is what type of water?	[ "salt water", "fresh water", "excess water", "rivers water" ]	A
sciq-2948	multiple_choice	The thermal properties of what substance largely contribute to the temperature climate of europe?	[ "water", "lava", "clouds", "soil" ]	A
ai2_arc-842	multiple_choice	Birds that do not receive adequate nutrition during development sing less often and for shorter periods of time as adult birds. Which best describes the outcome of nutritional stress in these songbirds?	[ "They are less likely to ward off predators.", "They are less likely to obtain good nesting sites.", "They are less likely to find adequate food supplies.", "They are less likely to attract mates and pass on their genes." ]	D
ai2_arc-516	multiple_choice	Steel cans are separated from aluminum cans in a recycling center. Which of the following is the best way the recycling center can separate the steel cans from the aluminum cans?	[ "sort the cans by size", "put the cans in water", "cool the cans to a low temperature", "put the cans under an electromagnet" ]	D
sciq-8088	multiple_choice	Which acid releases nitrates into soil?	[ "lactic", "sulfuric", "citric", "uric" ]	D
sciq-7077	multiple_choice	Segmented worms have a digestive,nervous and what type of system?	[ "vascular", "lymphatic", "circulatory", "pulmonary" ]	C
sciq-7060	multiple_choice	Alcohols can be oxidized to aldehydes or _______.	[ "ketones", "sugars", "carbohydrates", "sugars" ]	A
sciq-7784	multiple_choice	Ciliary muscles control the shape of the lens, which bends light and focuses it on what?	[ "the retina", "the cornea", "the vitreous fluid", "the pupil" ]	A
sciq-6902	multiple_choice	Stars are born in clouds, and they form and grow dense due to what force?	[ "coreolis effect", "gravity", "kinetic energy", "Big Bang theory" ]	B
sciq-577	multiple_choice	The mass of the objects and the distance between them affect the strength of what universal force?	[ "weight", "states of matter", "gravity", "motion" ]	C
sciq-6197	multiple_choice	Saturated and unsaturated are the two main kinds of what?	[ "sugars", "polymers", "fats", "acids" ]	C
sciq-9742	multiple_choice	What are hydrocarbons with double bonds called?	[ "amines", "alcohols", "alkenes", "aldehydes" ]	C
sciq-6447	multiple_choice	Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what?	[ "suggests", "Tests", "theories", "hypothesis" ]	D
sciq-9941	multiple_choice	A biofilm is a colony of what that is stuck to a surface such as a rock or a host’s tissues?	[ "vacuoles", "eukaryotes", "insects", "prokaryotes" ]	D
ai2_arc-477	multiple_choice	After a soccer game, Brittany sat under a fan because she was hot. Under the fan, she felt cooler than before. Which explains why Brittany felt cooler under the fan?	[ "Air moving under the fan is cooler than air that is still.", "The evaporation of sweat absorbs heat from the skin.", "Water vapor from the fan condenses on the skin.", "The fan speeds convection currents in the air." ]	B
sciq-547	multiple_choice	What is the term for an infection caused by a fungal parasite?	[ "mydriasis", "mitosis", "acrobasis", "mycosis" ]	D
sciq-8155	multiple_choice	What can be calculated by multiplying an object’s mass in kilograms (kg) by its velocity in meters per second (m/s)?	[ "height", "momentum", "energy", "ground speed" ]	B
sciq-1426	multiple_choice	Where do biochemical reactions take place?	[ "between cells", "outside of cells", "in atoms", "inside the organisms' cells" ]	D
sciq-10772	multiple_choice	What does all matter consist of?	[ "oxygen", "atoms", "helium", "carbon" ]	B
sciq-3863	multiple_choice	What do all sound waves begin with?	[ "vibrating matter", "talking matter", "oscillating matter", "enclosing matter" ]	A
sciq-9579	multiple_choice	Some viruses carry a few viral enzyme molecules within their what?	[ "capsids", "plastids", "hormones", "DNA" ]	A
ai2_arc-914	multiple_choice	Which of these is an important safety rule to follow when using an electrical device?	[ "Wear an apron.", "Keep work area dry.", "Extinguish all flames.", "Wear protective gloves." ]	B
sciq-6241	multiple_choice	What type of mammals are humans?	[ "respiratory mammals", "somatic mammals", "marsupial mammals", "placental mammals" ]	D
sciq-3399	multiple_choice	What type of friction is friction that acts on objects when they are sliding over a surface?	[ "rolling friction", "spreading friction", "static friction", "sliding friction" ]	D
sciq-11328	multiple_choice	Silicon and germanium react with nitrogen at high temperature to form what?	[ "carbonates", "nitrides", "oxides", "isotopes" ]	B
sciq-8724	multiple_choice	What is the common term for single-celled fungi?	[ "prokaryotes", "mushrooms", "yeasts", "sponges" ]	C
sciq-8754	multiple_choice	What physical process occurs when large chunks of food are broken down into smaller pieces?	[ "chemical digestion", "mechanical digestion", "peristalsis", "swallowing" ]	B
sciq-10324	multiple_choice	Particles of matter have the most definite shape in what material state?	[ "plasma", "liquid", "gas", "solid" ]	D
sciq-9135	multiple_choice	What is the term for the development of an embryo inside an egg within the mother’s body until it hatches?	[ "pregnancy", "spawning", "ovovivipary", "asexual reproduction" ]	C
sciq-6224	multiple_choice	What type of proteins are only temporarily associated with the membrane?	[ "sensitive rod proteins", "peripheral oxidation proteins", "peripheral membrane proteins", "visual membrane proteins" ]	C
sciq-10882	multiple_choice	What type of switch automatically opens a circuit if too much current flows through it?	[ "regulator switch", "kill switch", "toggle switch", "circuit breaker" ]	D
sciq-9244	multiple_choice	Precipitation maps show the amount of what in different areas?	[ "heat", "geographical variety", "rainfall", "population" ]	C
sciq-2591	multiple_choice	What element is the most common element in the universe?	[ "carbon", "hydrogen", "nitrogen", "helium" ]	B
sciq-1423	multiple_choice	What do stored fats provide our body with for later use?	[ "hydrogen", "metals", "water", "energy" ]	D

sciq-2063

multiple_choice

The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming?

[ "argon", "iron oxide", "carbon dioxide", "liquid dioxide" ]

C

sciq-6983

multiple_choice

What are different forms of the same gene?

[ "genomes", "nuerons", "peptides", "alleles" ]

D

sciq-4117

multiple_choice

Transparent, translucent, or opaque are properties of matter based on an interaction with what?

[ "electricity", "gravity", "light", "air" ]

C

sciq-3995

multiple_choice

What is the most effective color in interrupting the nighttime portion of the photoperiod?

[ "yellow", "red light", "white light", "blue light" ]

B

sciq-1915

multiple_choice

What are the most numerous and diverse biochemical compounds?

[ "acids", "lipids", "proteins", "vitamins" ]

C

sciq-6380

multiple_choice

Each kidney is supplied by a renal artery and what else?

[ "brain vein", "spinal cord", "renal vein", "coronary artery" ]

C

sciq-6074

multiple_choice

What is the lipid-rich sheath that surrounds the axon and facilitates the transmission of electrical signals along the axon?

[ "neural sheath", "axon sheath", "myelin sheath", "receptors sheath" ]

C

sciq-2526

multiple_choice

Elements that specifically are noted to have properties of both metals and nonmetals are known as what?

[ "alkali metals", "compund metals", "metalloids", "alloys" ]

C

sciq-7849

multiple_choice

What is another term for all eukaryotic organisms that are neither animals, nor plants, nor fungi?

[ "arthropods", "protists", "paramecium", "prokaryotes" ]

B

sciq-5257

multiple_choice

The duodenum is the first and the shortest part of what, and is where most chemical digestion takes place?

[ "rectum", "stomach", "large intestine", "small intestine" ]

D

sciq-9119

multiple_choice

Zoonotic pathogens are transferred from what to what?

[ "animals to humans", "animals to animals", "humans to humans", "humans to animals" ]

A

sciq-4189

multiple_choice

What are the two types of cells?

[ "bacteria and eukaryotes", "mammal and plant", "prokaryotes and eukaryotes", "animal and bacteria" ]

C

sciq-3801

multiple_choice

What is the major cause of outdoor air pollution?

[ "agricultural equipment", "burning fossil fuels", "electric lines", "manufacturing industry" ]

B

sciq-9906

multiple_choice

What type of cells are gametes?

[ "proteins", "immune", "cardiac", "reproductive" ]

D

sciq-6388

multiple_choice

What is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration?

[ "diffusion", "condensation", "absorption", "secretion" ]

A

sciq-4249

multiple_choice

Competition within a species is called what?

[ "reproducible competition", "species competion", "internal competition", "intraspecific competition" ]

D

sciq-10067

multiple_choice

When does an oocyte complete meiosis?

[ "metaphase", "anaphase", "after sperm penetration", "prophase" ]

C

sciq-3501

multiple_choice

A solute generally does what to the freezing point of a solvent?

[ "raises it", "regulates it", "increases it", "lowers it" ]

D

sciq-9591

multiple_choice

The sun’s energy is converted to chemical energy by a what?

[ "plant", "mammal", "amphibian", "bacterium" ]

A

sciq-2978

multiple_choice

Concentration is the removal of solvent, which increases the concentration of what?

[ "vapor", "Water", "solute", "sodium" ]

C

sciq-8882

multiple_choice

A major diversification of what animal group occurred about 50 million years ago, possibly spurred by worldwide climate change?

[ "amphibians", "mammals", "reptiles", "insects" ]

B

sciq-1224

multiple_choice

Why does neptune's appearance change?

[ "the seasons", "turbulent atmosphere", "the speed of rotation", "the changing orbit" ]

B

sciq-1835

multiple_choice

Rising and falling levels of what will result in progression of the ovarian and menstrual cycles?

[ "hormones", "blood pressure", "red blood cells", "oxygen" ]

A

sciq-2854

multiple_choice

The most important characteristic of extant amphibians is a moist, permeable skin used for this?

[ "cutaneous respiration", "avian respiration", "simple respiration", "benign respiration" ]

A

sciq-9202

multiple_choice

In mammals, sound waves are collected by the external, cartilaginous part of the ear called the pinna, then travel through the auditory canal and cause vibration of the thin diaphragm called the tympanum or this?

[ "head drum", "microphone drum", "speaker drum", "ear drum" ]

D

sciq-7651

multiple_choice

What type of isotopes have short half-lives and are given in very low doses?

[ "gasses", "stable isotopes", "radioisotopes", "radionuclides" ]

C

sciq-4589

multiple_choice

The ions in ionic compounds are arranged in rigid three-dimensional patterns called what?

[ "core lattices", "pattern lattices", "lattice groups", "crystal lattices" ]

D

sciq-1084

multiple_choice

What type of pollution is generated by power plants and factories that can directly raise the temperature of water?

[ "atmospheric pollution", "Space Pollution", "variable pollution", "thermal pollution" ]

D

sciq-5290

multiple_choice

What were the first living things to evolve on earth?

[ "eukaryotes", "carbon", "DNA", "prokaryotes" ]

D

ai2_arc-819

multiple_choice

The marsh willow herb is a plant native to the northeastern United States. It grows best in damp habitats. Which of the following environmental changes would most likely cause a decrease in the marsh willow herb population in an area?

[ "a rainstorm lasting several weeks", "a drought lasting twelve months", "unusually low temperatures during the month of July", "unusually high temperatures during the month of January" ]

B

sciq-2179

multiple_choice

Without dinoflagellate symbionts, corals lose algal pigments in a process called coral bleaching and eventually die, while corals in turn provide protection, making this what type of relationship?.

[ "semantic", "symbiotic", "idealistic", "parasitic" ]

B

sciq-7369

multiple_choice

What sciences are the study of living organisms?

[ "life sciences", "earth sciences", "social sciences", "physical sciences" ]

A

sciq-3351

multiple_choice

What branch of science is based on the modern atomic theory, which states that all matter is composed of atoms?

[ "chemistry", "psychology", "biology", "physics" ]

A

sciq-3030

multiple_choice

Carbon fixation is the first step of what cycle involving light reactions?

[ "water cycle", "sun cycle", "calvin cycle", "life cycle" ]

C

sciq-5692

multiple_choice

What makes soil and rock particles move gradually down the slope during each thaw?

[ "heat", "rain", "gravity", "wind" ]

C

sciq-2989

multiple_choice

Which hormone is secreted by the pancreas in a human body?

[ "growth hormone", "progesterone", "estrogen", "insulin" ]

D

sciq-1193

multiple_choice

Oncogenes are involved in the formation of what disease?

[ "heart disease", "cancer", "colds", "autoimmune disease" ]

B

sciq-5801

multiple_choice

What is the tail bone an example of?

[ "vestigial structure", "primordial structure", "parasitic structure", "invertebrate structure" ]

A

sciq-11153

multiple_choice

When the monocilia are defective, what is disrupted?

[ "inhibiting", "signaling", "triggering", "predicting" ]

B

sciq-5773

multiple_choice

Fibrous root systems have many small branching roots called what?

[ "fibrous roots", "taproots", "vines", "tendrils" ]

A

ai2_arc-256

multiple_choice

Which energy conversion happens when a person shivers and the energy is transferred to make the muscles and joints move?

[ "kinetic energy to potential energy", "heat energy to kinetic energy", "potential energy to chemical energy", "chemical energy to mechanical energy" ]

D

ai2_arc-315

multiple_choice

Ptolemy was an ancient astronomer who thought Earth was the center of the universe. When he made observations that were inconsistent with this, he proposed a phenomenon called "epicycles" to explain the observations. How was Ptolemy's process similar to the modern scientific process?

[ "Ptolemy based his model partly on a belief system.", "Observations inspired Ptolemy to modify his explanations.", "Ptolemy tried to describe the universe instead of explaining it.", "Experiments were the basis of Ptolemy's model of the universe." ]

B

sciq-8289

multiple_choice

Pathogens infect many animals and are agents of what?

[ "change", "drought", "mutation", "disease" ]

D

sciq-3194

multiple_choice

What living things have cell walls containing cellulose and plastids such as chloroplasts?

[ "reptiles", "plants", "mammals", "animals" ]

B

sciq-8294

multiple_choice

People with which skin type run a greater risk of vitamin d deficiency?

[ "brighter skin", "lighter skin", "darker skin", "weaker skin" ]

C

sciq-2462

multiple_choice

In humans, pharyngeal slits later develop into what?

[ "outer ear", "long ear", "middle ear", "inner ear" ]

C

sciq-11647

multiple_choice

Since warmer molecules have more energy, they are more what?

[ "active", "inactive", "dense", "abundant" ]

A

sciq-11642

multiple_choice

Because their cells are arranged in bundles, the appearance of skeletal and cardiac muscles is described as what?

[ "quadrant", "incised", "striated", "cylindrical" ]

C

sciq-5608

multiple_choice

What human traits are controlled by more than one gene?

[ "maladaptive traits", "polygenic traits", "autolysis traits", "mutant traits" ]

B

sciq-2125

multiple_choice

Large amounts of fuel are stored in skeletal muscles, adipose tissues and what organ?

[ "liver", "skin", "spleen", "kidney" ]

A

sciq-1453

multiple_choice

What do rocket-based systems use to propel itself into space?

[ "hydrogen reactions", "chemical reactions", "water reactions", "nuclear reactions" ]

B

sciq-1441

multiple_choice

In the lungs, bicarbonate is transported back into the red blood cells in exchange for what?

[ "glucose", "phosphate", "chloride", "oxygen" ]

C

sciq-201

multiple_choice

What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids?

[ "protons", "proteins", "lipids", "hormones" ]

B

sciq-4685

multiple_choice

What do animals store with the help of saturated fatty acids?

[ "sugar", "oxygen", "protein", "energy" ]

D

sciq-339

multiple_choice

What are the contacts between neurons called?

[ "synapses", "impulses", "neurapses", "electrodes" ]

A

sciq-7354

multiple_choice

In hypothesis-based science, specific results are predicted from a general premise, which is called what type of reasoning that proceeds from general to particular?

[ "reactive", "transitive", "deductive", "reflexive" ]

C

ai2_arc-163

multiple_choice

Tall plants are dominant to short plants. What is the outcome if two short plants are crossed?

[ "all tall plants", "all short plants", "half tall plants, half short plants", "1/4 tall plants, 1/3 short plants" ]

B

sciq-7851

multiple_choice

When magma reaches the surface through cracks in the earth's crust, what occurs?

[ "tsunami", "volcanic explosion", "magma eruption", "volcanic eruption" ]

D

sciq-2389

multiple_choice

What is crucial for the fermentation progress in making bread?

[ "larvae", "cold", "yeast", "fruit" ]

C

sciq-10160

multiple_choice

How are protozoa that cause giardiasis spread?

[ "insects", "starch and water", "food and water", "lakes and rivers" ]

C

sciq-10848

multiple_choice

Where does an electron move to after it absorbs energy?

[ "a shell farther from the nucleus", "atomic orbit", "another electron", "a shell closer to the nucleus" ]

A

sciq-225

multiple_choice

Where does the embryo develop in a plant?

[ "outside the female plant after fertilization", "inside the stem after fertilization", "inside the male plant after fertilization", "inside the female plant after fertilization" ]

D

ai2_arc-63

multiple_choice

Which of these is an example of liquid water?

[ "Frost", "Ice", "Rain", "Steam" ]

C

sciq-5982

multiple_choice

What is the term for a state of matter that yields to sideways or shearing forces?

[ "solid", "plasma", "gravity", "fluid" ]

D

sciq-2656

multiple_choice

According to early accounts, newton was inspired to make the connection between falling bodies and astronomical motions when he saw an apple fall from a tree and realized that if the gravitational force could extend above the ground to a tree, it might also reach this?

[ "horizon", "stars", "moon", "sun" ]

D

sciq-2715

multiple_choice

In what phase is the moon brightly illuminated?

[ "crescent", "full moon", "blue moon", "new moon" ]

B

sciq-11200

multiple_choice

Around 97% of all water on earth is what type of water?

[ "salt water", "fresh water", "excess water", "rivers water" ]

A

sciq-2948

multiple_choice

The thermal properties of what substance largely contribute to the temperature climate of europe?

[ "water", "lava", "clouds", "soil" ]

A

ai2_arc-842

multiple_choice

Birds that do not receive adequate nutrition during development sing less often and for shorter periods of time as adult birds. Which best describes the outcome of nutritional stress in these songbirds?

[ "They are less likely to ward off predators.", "They are less likely to obtain good nesting sites.", "They are less likely to find adequate food supplies.", "They are less likely to attract mates and pass on their genes." ]

D

ai2_arc-516

multiple_choice

Steel cans are separated from aluminum cans in a recycling center. Which of the following is the best way the recycling center can separate the steel cans from the aluminum cans?

[ "sort the cans by size", "put the cans in water", "cool the cans to a low temperature", "put the cans under an electromagnet" ]

D

sciq-8088

multiple_choice

Which acid releases nitrates into soil?

[ "lactic", "sulfuric", "citric", "uric" ]

D

sciq-7077

multiple_choice

Segmented worms have a digestive,nervous and what type of system?

[ "vascular", "lymphatic", "circulatory", "pulmonary" ]

C

sciq-7060

multiple_choice

Alcohols can be oxidized to aldehydes or _______.

[ "ketones", "sugars", "carbohydrates", "sugars" ]

A

sciq-7784

multiple_choice

Ciliary muscles control the shape of the lens, which bends light and focuses it on what?

[ "the retina", "the cornea", "the vitreous fluid", "the pupil" ]

A

sciq-6902

multiple_choice

Stars are born in clouds, and they form and grow dense due to what force?

[ "coreolis effect", "gravity", "kinetic energy", "Big Bang theory" ]

B

sciq-577

multiple_choice

The mass of the objects and the distance between them affect the strength of what universal force?

[ "weight", "states of matter", "gravity", "motion" ]

C

sciq-6197

multiple_choice

Saturated and unsaturated are the two main kinds of what?

[ "sugars", "polymers", "fats", "acids" ]

C

sciq-9742

multiple_choice

What are hydrocarbons with double bonds called?

[ "amines", "alcohols", "alkenes", "aldehydes" ]

C

sciq-6447

multiple_choice

Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what?

[ "suggests", "Tests", "theories", "hypothesis" ]

D

sciq-9941

multiple_choice

A biofilm is a colony of what that is stuck to a surface such as a rock or a host’s tissues?

[ "vacuoles", "eukaryotes", "insects", "prokaryotes" ]

D

ai2_arc-477

multiple_choice

After a soccer game, Brittany sat under a fan because she was hot. Under the fan, she felt cooler than before. Which explains why Brittany felt cooler under the fan?

[ "Air moving under the fan is cooler than air that is still.", "The evaporation of sweat absorbs heat from the skin.", "Water vapor from the fan condenses on the skin.", "The fan speeds convection currents in the air." ]

B

sciq-547

multiple_choice

What is the term for an infection caused by a fungal parasite?

[ "mydriasis", "mitosis", "acrobasis", "mycosis" ]

D

sciq-8155

multiple_choice

What can be calculated by multiplying an object’s mass in kilograms (kg) by its velocity in meters per second (m/s)?

[ "height", "momentum", "energy", "ground speed" ]

B

sciq-1426

multiple_choice

Where do biochemical reactions take place?

[ "between cells", "outside of cells", "in atoms", "inside the organisms' cells" ]

D

sciq-10772

multiple_choice

What does all matter consist of?

[ "oxygen", "atoms", "helium", "carbon" ]

B

sciq-3863

multiple_choice

What do all sound waves begin with?

[ "vibrating matter", "talking matter", "oscillating matter", "enclosing matter" ]

A

sciq-9579

multiple_choice

Some viruses carry a few viral enzyme molecules within their what?

[ "capsids", "plastids", "hormones", "DNA" ]

A

ai2_arc-914

multiple_choice

Which of these is an important safety rule to follow when using an electrical device?

[ "Wear an apron.", "Keep work area dry.", "Extinguish all flames.", "Wear protective gloves." ]

B

sciq-6241

multiple_choice

What type of mammals are humans?

[ "respiratory mammals", "somatic mammals", "marsupial mammals", "placental mammals" ]

D

sciq-3399

multiple_choice

What type of friction is friction that acts on objects when they are sliding over a surface?

[ "rolling friction", "spreading friction", "static friction", "sliding friction" ]

D

sciq-11328

multiple_choice

Silicon and germanium react with nitrogen at high temperature to form what?

[ "carbonates", "nitrides", "oxides", "isotopes" ]

B

sciq-8724

multiple_choice

What is the common term for single-celled fungi?

[ "prokaryotes", "mushrooms", "yeasts", "sponges" ]

C

sciq-8754

multiple_choice

What physical process occurs when large chunks of food are broken down into smaller pieces?

[ "chemical digestion", "mechanical digestion", "peristalsis", "swallowing" ]

B

sciq-10324

multiple_choice

Particles of matter have the most definite shape in what material state?

[ "plasma", "liquid", "gas", "solid" ]

D

sciq-9135

multiple_choice

What is the term for the development of an embryo inside an egg within the mother’s body until it hatches?

[ "pregnancy", "spawning", "ovovivipary", "asexual reproduction" ]

C

sciq-6224

multiple_choice

What type of proteins are only temporarily associated with the membrane?

[ "sensitive rod proteins", "peripheral oxidation proteins", "peripheral membrane proteins", "visual membrane proteins" ]

C

sciq-10882

multiple_choice

What type of switch automatically opens a circuit if too much current flows through it?

[ "regulator switch", "kill switch", "toggle switch", "circuit breaker" ]

D

sciq-9244

multiple_choice

Precipitation maps show the amount of what in different areas?

[ "heat", "geographical variety", "rainfall", "population" ]

C

sciq-2591

multiple_choice

What element is the most common element in the universe?

[ "carbon", "hydrogen", "nitrogen", "helium" ]

B

sciq-1423

multiple_choice

What do stored fats provide our body with for later use?

[ "hydrogen", "metals", "water", "energy" ]

D