prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What term means the amount of space matter takes up?
A. weight
B. density
C. mass
D. volume
Answer: | D | sciq |
All of the stages that a cell goes through make up what?
A. the cell cycle
B. glycolysis
C. cytokineses
D. photosynthesis
Answer: | A | sciq |
What term is used to describe birds that mate for an entire season or even stay paired for their entire life?
A. polygamous
B. asexual
C. homogeneous
D. monogamous
Answer: | D | sciq |
What branch of science offers an overview of the physiology of humans?
A. human biology
B. marine biology
C. geology
D. engineer
Answer: | A | sciq |
In atherosclerosis, thickening of an arterial wall due to this can restrict blood flow through the artery?
A. low blood pressure
B. plaque formation
C. high blood pressure
D. digestion
Answer: | B | sciq |
Moist skin distinguishes frogs from what animal with dry, bumpy skin?
A. newts
B. toads
C. snakes
D. turtles
Answer: | B | sciq |
Scientists perform experiments to test their hypotheses because sometimes the nature of natural universe is what?
A. this obvious
B. not obvious
C. very obvious
D. become obvious
Answer: | B | sciq |
What is the term for movement toward light?
A. phototropism
B. gravitational pull
C. autolysis
D. phototaxis
Answer: | D | sciq |
Ultraviolet radiation has the highest energy; which has the lowest?
A. nuclear
B. thermal
C. infrared
D. kinetic
Answer: | C | sciq |
What kind of proteins either activate or deactivate the transcription of other genes?
A. master regulatory proteins
B. master complex proteins
C. carbon proteins
D. perfect regulatory proteins
Answer: | A | sciq |
What occurs when the pancreas doesn’t make enough insulin or else the body’s cells are resistant to the effects of insulin?
A. diabetes
B. colitis
C. hepatitis
D. anemia
Answer: | A | sciq |
According to the octet rule, magnesium is unstable because its valence shell has just two of what?
A. electrons
B. neutrons
C. quarks
D. protons
Answer: | A | sciq |
What make distant objects appear both nearer and larger?
A. lasers
B. telescopes
C. mirrors
D. astrolabes
Answer: | B | sciq |
The atmosphere consists of oxygen, nitrogen, carbon dioxide, which exerts a certain pressure referred to as what?
A. atmospheric pressure
B. gravity pressure
C. nitrogen pressure
D. tidal pressure
Answer: | A | sciq |
What is the oxygen-storing protein found in diving mammals' muscles called?
A. pigment
B. pheromone
C. hemoglobin
D. myoglobin
Answer: | D | sciq |
The modern atomic theory states that all matter is composed of what?
A. molecules
B. ions
C. atoms
D. quarks
Answer: | C | sciq |
Pressure has a significant effect on the solubility of what state of matter?
A. gases
B. water
C. mixtures
D. solids
Answer: | A | sciq |
The site of some nutrient absorption, the ileum is the third part of what digestive organ?
A. large intestine
B. rectum
C. small intestine
D. stomach
Answer: | C | sciq |
If both atoms are the same, they have the same electronegativity and share what type of bond?
A. metabolic
B. isotopic covalent
C. ionic
D. nonpolar covalent
Answer: | D | sciq |
What forms when oceanic crust subducts into the mantle at convergent plate boundaries?
A. glaciers
B. coral
C. tsunamis
D. volcanic mountain ranges
Answer: | D | sciq |
The skin plays an important role in preventing the escape of what commonly found liquid from the body?
A. hormones
B. stomach acid
C. urine
D. water
Answer: | D | sciq |
Which area of the human heart pumps the blood to the right ventricle?
A. true atrium
B. left ventricle
C. left atrium
D. right atrium
Answer: | D | sciq |
What moves sediments after they have formed?
A. perspiration
B. migration
C. erosion
D. photosynthesis
Answer: | C | sciq |
What involves the emission of a particle and/or energy as one atom changes into another?
A. radioactive decay
B. enthalpy
C. spontaneous mutation
D. atomic transformation
Answer: | A | sciq |
Certain anaerobic parabasalid species exist in the digestive tracts of termites and wood-eating cockroaches, where they contribute an essential step in the digestion of this?
A. nutrients
B. carbonate
C. fiber
D. cellulose
Answer: | D | sciq |
What do you call a group of cells of the same kind that performs the same function?
A. nucleus
B. organ system
C. tissue
D. molecule
Answer: | C | sciq |
What is the name of a reactant in an enzymatic reaction?
A. membrane
B. tissues
C. Scar
D. substrate
Answer: | D | sciq |
The ideal gas law is used like any other gas law, with attention paid to the unit and making sure that temperature is expressed in kelvin. however, the ideal gas law does not require a change in the conditions of a gas sample. the ideal gas law implies that if you know any three of the physical properties of a gas, you can calculate this?
A. second
B. third
C. unrelated
D. fourth
Answer: | D | sciq |
What is a reaction in which an atom or molecule is added to an unsaturated molecule, making a single product?
A. complete reaction
B. an addition reaction
C. homeostasis
D. single reaction
Answer: | B | sciq |
What is the main problem in both types of diabetes?
A. metabolism
B. insulin production
C. blood pressure
D. blood concentration
Answer: | B | sciq |
The structure of mitochondrion plays an important role in what?
A. magnetism
B. aerobic respiration
C. sexual reproduction
D. cell division
Answer: | B | sciq |
Topographic maps have a horizontal scale to indicate what distances?
A. vertical
B. perpendicular
C. diagonal
D. horizontal
Answer: | D | sciq |
What can occur when one end of a small diameter tube is immersed in liquid?
A. diffusion action
B. transfusion action
C. capillary action
D. thermal action
Answer: | C | sciq |
What kind of system do echinoderms possess?
A. autonomic nerous system
B. water-based circulatory
C. primitive respiratory
D. photosynthetic
Answer: | B | sciq |
Fossils provide a window into the past. they are evidence for what?
A. generation
B. emergence
C. intelligent design
D. evolution
Answer: | D | sciq |
Dominant alleles rarely cause what type of disorders, since the mutant allele is likely to die out of the population?
A. sex-linked disorders
B. genetic disorders
C. cancers
D. mutations
Answer: | B | sciq |
Near-earth asteroids cross paths with earth, meaning they could collide; what are the paths called?
A. curves
B. trajectory
C. orbits
D. galaxies
Answer: | C | sciq |
Reflected in their relatively high level of intelligence and their ability to learn new behaviors, what organs tend to be relatively large in primates?
A. kidneys
B. hearts
C. brains
D. lungs
Answer: | C | sciq |
This inverse relationship between solubility and temperature can be understood by looking at a what?
A. molecular model
B. nutrient model
C. a slide
D. potassium model
Answer: | A | sciq |
Energy from sunlight enters many ecosystems through what process?
A. isolation
B. photosynthesis
C. multiplication
D. reproduction
Answer: | B | sciq |
What is the world’s most serious resource problem?
A. water scarcity
B. deforestation
C. citrus blight
D. gas shortage
Answer: | A | sciq |
Quarks also have a different type of charge, called what?
A. pure charge
B. contrast charge
C. spontaneous charge
D. color charge
Answer: | D | sciq |
Thylakoids in a chloroplast contain what plant pigment?
A. ultramarine
B. melanin
C. chlorophyll
D. dye
Answer: | C | sciq |
The expulsion stage begins when the fetal head enters what?
A. birth canal
B. you can see the umbilical cord
C. uterus
D. head is outside vagina
Answer: | A | sciq |
What type of waste is likely to explode?
A. liquid waste
B. solid waste
C. explosive waste
D. mesh waste
Answer: | C | sciq |
Named after the dutch physicist, the van de graaff is a type of what device used for nuclear research?
A. accelerator
B. radiation detector
C. barometer
D. electromagnetic
Answer: | A | sciq |
A substance that displays different colors when in the presence of an acid or a base is called what?
A. reactor
B. an acid-base indicator
C. litmus test
D. pH scale
Answer: | B | sciq |
What is the name for the study of the plants and animals that live in fresh water bodies ?
A. limnology
B. hydrology
C. oceanography
D. nematology
Answer: | A | sciq |
What does urine leave the body through?
A. vagina
B. uterus
C. urethra
D. colon
Answer: | C | sciq |
What type of plant is the dominant group of land plants?
A. vascular plants
B. thermal plants
C. oxygen plants
D. grass plants
Answer: | A | sciq |
What term is used to describe a process in which material travels from regions of high concentration to low concentration until equilibrium is reached?
A. active transport
B. Osmosis
C. diffusion
D. fission
Answer: | C | sciq |
Poetically speaking, nature reserves are islands of what, in a sea of habitat degraded by human activity?
A. ecosystem
B. habitats
C. biodiversity
D. refuge
Answer: | C | sciq |
Reactive elements are able to combine more what with other elements?
A. quickly
B. slowly
C. easily
D. symmetrically
Answer: | C | sciq |
What do scientists attach to aquatic animals to collect information?
A. ultraviolet tags
B. satellite tags
C. fluorescent tags
D. radio tags
Answer: | B | sciq |
Upon ovulation, the oocyte released by the ovary is swept into where?
A. umbilical cord
B. uterine tube
C. placental barrier
D. vas deferens
Answer: | B | sciq |
Giardiasis and malaria are diseases caused by what organism?
A. worms
B. bacteria
C. larvae
D. protozoa
Answer: | D | sciq |
The number of waves that pass a fixed point in a given amount of time is referred to as what?
A. wave harmonics
B. wave speed
C. wave frequency
D. tendency frequency
Answer: | C | sciq |
The name carbon tetrachloride implies one carbon atom and four of which other atoms?
A. iodine
B. calcium
C. chlorine
D. nitrogen
Answer: | C | sciq |
Most of a mushroom's surface area is actually where?
A. hidden
B. air
C. underwater
D. underground
Answer: | D | sciq |
Interneurons carry what back and forth between sensory and motor neurons?
A. electricity
B. sciatica
C. flux impulses
D. nerve impulses
Answer: | D | sciq |
What are the mineral deposits that fill in underground cracks called?
A. motherlode
B. veins
C. cores
D. currents
Answer: | B | sciq |
Some of the small moons of saturn are found within what features distinctive to the planet?
A. crest of saturn
B. rings of saturn
C. craters of saturn
D. interior of saturn
Answer: | B | sciq |
An image that is double the size of the object would have what?
A. illumination
B. stimulation
C. magnification
D. configuration
Answer: | C | sciq |
What is made up of bands of cells that contract for movement?
A. muscle tissue
B. collagen
C. cartilage
D. vascular tissue
Answer: | A | sciq |
What is the name of the muscular tube that carries urine out of the body?
A. bladder
B. urethra
C. rectum
D. uterus
Answer: | B | sciq |
Tissues are organized by what?
A. branches
B. structures
C. lipids
D. cells
Answer: | D | sciq |
Carbon released by burning fossil fuels contributes to what effect in the atmosphere?
A. cloud effect
B. shielding effect
C. smog effect
D. greenhouse effect
Answer: | D | sciq |
What are a class of biochemical compounds that living things use to store energy?
A. lipids
B. calories
C. proteins
D. hydrocarbons
Answer: | A | sciq |
Which element has an atomic number of 16?
A. oxygen
B. acid
C. sulfur
D. methane
Answer: | C | sciq |
Fossil evidence indicates that the ancestors of humans originated on which continent?
A. australia
B. south america
C. africa
D. north america
Answer: | C | sciq |
What will spores that eventually germinate develop into?
A. hydra
B. new hyphae
C. gametes
D. yeast cells
Answer: | B | sciq |
A binary molecular compound is made up of two of what?
A. cells
B. elements
C. compounds
D. wafers
Answer: | B | sciq |
Sound, like all waves, travels at a certain speed and has the properties of frequency and this?
A. energy
B. gravity
C. momentum
D. wavelength
Answer: | D | sciq |
Do bacteria sexually reproduce?
A. they don't reproduce
B. no
C. yes
D. sometimes
Answer: | B | sciq |
What is type of sugar is produced through photosynthesis?
A. carbohydrates
B. glutamate
C. glucose
D. insulin
Answer: | C | sciq |
The light-sensing cells in the retina are called rods and what else?
A. sensor cells
B. cones
C. light cells
D. stents
Answer: | B | sciq |
Lampreys possess a large round sucker, lined with teeth, that surrounds the mouth and is used to feed on what?
A. parasites
B. herbivores
C. blood
D. marrow
Answer: | C | sciq |
What is the type of plant that has a single cotelydon in the seedling?
A. conifer
B. dicot
C. moss
D. monocot
Answer: | D | sciq |
What element is essential for amino acid and nucleic acid production?
A. hydrogen
B. nitrogen
C. oxygen
D. carbon
Answer: | B | sciq |
In plants and algae where does photosynthesis takes place in?
A. cytoplasm
B. chloroplasts
C. cell wall
D. nucleus
Answer: | B | sciq |
What is crucial for the fermentation progress in making bread?
A. larvae
B. fruit
C. yeast
D. cold
Answer: | C | sciq |
What hormone does the endocrine system secrete to help cells absorb blood sugar?
A. insulin
B. glucose
C. Cortisol
D. testosterone
Answer: | A | sciq |
What part of the sporophyte produces microspores that form male gametophytes and megaspores that form female gametophytes?
A. flower
B. chloroplasts
C. pollen
D. leaves
Answer: | A | sciq |
This calcification prevents diffusion of nutrients into the matrix, resulting in what dying and the opening up of cavities in the diaphysis cartilage?
A. phytocytes
B. keratinocytes
C. nanoparticles
D. chondrocytes
Answer: | D | sciq |
What is the greek word meaning "to help make things easier"?
A. mode
B. machine
C. battery
D. toy
Answer: | B | sciq |
High levels of radiation can remove electrons from?
A. acids
B. water
C. metals
D. humans
Answer: | C | sciq |
What is the only planet we know that has plate techtonics?
A. Saturn
B. Jupiter
C. Mars
D. earth
Answer: | D | sciq |
Variation in muscle cells gives further insight into some benefits of what type of respiration?
A. enzymatic
B. anaerobic
C. aerobic
D. natural
Answer: | B | sciq |
Violet and red are two types of what kind of light?
A. visible
B. ultraviolet
C. radioactive
D. infrared
Answer: | A | sciq |
The duodenum is a part of which part of the gi tract?
A. ulna
B. pharynx
C. large intense
D. small intestine
Answer: | D | sciq |
A complete ionic equation is a chemical equation in which the dissolved ionic compounds are written as what?
A. separated ions
B. realized ions
C. charged ions
D. joined ions
Answer: | A | sciq |
The barrier defenses are not a response to infections, but they are continuously working to protect against a broad range of what?
A. mates
B. ecosystems
C. pathogens
D. nutrients
Answer: | C | sciq |
A minority of people on earth use up most of the planet's what, including energy?
A. water
B. resources
C. sand
D. air
Answer: | B | sciq |
Groundwater dissolves minerals and carries the ions in a what?
A. jet stream
B. solution
C. mixture
D. transition
Answer: | B | sciq |
What is the area of our universe that isn't stars and galaxies called?
A. dark matter
B. solar systems
C. nebula
D. galaxies
Answer: | A | sciq |
What neurotransmitter is associated with the fight-or-flight response?
A. stomach acid
B. endorphins
C. bile
D. adrenaline
Answer: | D | sciq |
What do scientists think are the oldest eukaryotes?
A. prokaryotes
B. protists
C. arthropods
D. fungi
Answer: | B | sciq |
Geologists found that the youngest rocks on the seafloor were where?
A. seabed floor
B. late - ocean ridges
C. early - ocean ridges
D. mid - ocean ridges
Answer: | D | sciq |
The stability of an ecosystem depends on the actions of what, exemplified by mushrooms on a decaying log and bacteria in soil?
A. fluxes
B. whitefly
C. decomposers
D. aphids
Answer: | C | sciq |
Anabolic steroids, a form of the male sex hormone testosterone, are one of the most widely known performance-enhancing drugs. steroids are used to help build what?
A. bone mass
B. nervous tissue
C. muscle mass
D. brain tissue
Answer: | C | sciq |
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