prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Electric generators change kinetic energy to what type of energy?
A. intrinsic
B. light
C. thermal
D. electrical
Answer: | D | sciq |
Brown algae are important commodities for what?
A. humans
B. parasites
C. reptiles
D. fish
Answer: | A | sciq |
What does the large central vacuole do?
A. heat water
B. use water
C. create glucose
D. store water
Answer: | D | sciq |
What is the ratio of solutes in a solution to a volume of solvent in a solution known as?
A. osmolality
B. equilibrium
C. molality
D. molarity
Answer: | A | sciq |
What type of rock contains concentrations of valuable minerals?
A. metamorphic
B. igneous
C. ores
D. sedimentary
Answer: | C | sciq |
How many digits do primates have on each extremity?
A. three
B. ten
C. four
D. five
Answer: | D | sciq |
Dna is normally found within what region of a cell?
A. nucleus
B. mitochondria
C. genome sequence
D. Golgi apparatus
Answer: | A | sciq |
Water and carbon dioxide molecules are reactants in what plant process?
A. breathing
B. digestion
C. photosynthesis
D. glycolysis
Answer: | C | sciq |
Gene therapy is a type of what kind of engineering?
A. genetic engineering
B. mechanical engineering
C. electrical engineering
D. chemical engineering
Answer: | A | sciq |
What is mass number?
A. the total number of protons and chondrichthyes in a nucleus
B. to total number of protons and electrons in a nucleus
C. the total number of protons and neutrons in a nucleus
D. to total number of electrons and neutrons in a nucleus
Answer: | C | sciq |
What rises through solid rocks where conditions are right?
A. nitrogen
B. water
C. magma
D. crystals
Answer: | C | sciq |
What is the connecting piece of a sperm packed with?
A. protein
B. glucose
C. mitochondria
D. Gelatin
Answer: | C | sciq |
What is a diagram that shows a single way that energy flows throughout an ecosystem?
A. fuel chain
B. food chain
C. dependent chain
D. water cycle
Answer: | B | sciq |
Different colors of light differ in terms of which important attribute?
A. wavelengths
B. prisms
C. frequencies
D. lenses
Answer: | A | sciq |
Ion drives have low thrust but high what?
A. acceleration
B. efficiency
C. power
D. tolerance
Answer: | B | sciq |
For most waves, energy is proportional to what, a term that describes the height of the wave?
A. wave threshold
B. wave volume
C. wave amplitude
D. wave frequency
Answer: | C | sciq |
What are the primary causes of bone fractures?
A. sideways impact or bending
B. step impact or bending
C. overuse
D. spiral impact or bending
Answer: | A | sciq |
Water is polar and has electrically charged ends, so it is attracted to the oppositely charged end of a phospholipid molecule, which is described by what term meaning "water-loving"?
A. aqueous
B. hydrophobic
C. cytosolic
D. hydrophilic
Answer: | D | sciq |
What is produced when a base is dissolved in water?
A. alkaline ions
B. ingredient ions
C. hydroxide ions
D. synthesis ions
Answer: | C | sciq |
What do mammals conserve heat with?
A. hair or fur
B. fur or muscle
C. skin or bones
D. tendons or hair
Answer: | A | sciq |
What is a mutation that changes all or much of a particular chromosome?
A. biochemical mutation
B. kinetic mutation
C. muscular mutation
D. chromosomal mutation
Answer: | D | sciq |
Defined as a difference in electric potential energy, a source of what is required in order to produce an electrical current?
A. magnetism
B. momentum
C. voltage
D. wattage
Answer: | C | sciq |
What hydrocarbons contain only single bonds between carbon atoms?
A. caloric hydrocarbons
B. simple carbohydrates
C. saturated hydrocarbons
D. unsaturated hydrocarbons
Answer: | C | sciq |
What is a decrease in the magnitude of the membrane potential?
A. digestion
B. depolarization
C. inflammation
D. ionization
Answer: | B | sciq |
Water pollution occurs when chemicals, sewage, trash, or heat enter what?
A. water resources
B. air resources
C. natural resources
D. renewable resources
Answer: | A | sciq |
Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what?
A. unstable
B. immature
C. stable
D. mature
Answer: | A | sciq |
Where can composite volcanoes most frequently be found?
A. transform boundaries
B. convergent boundaries
C. divergent boundaries
D. astatine boundaries
Answer: | B | sciq |
The digestive, excretory, and reproductive systems of amphibians share a body cavity called what?
A. urethra
B. cloaca
C. stoma
D. anus
Answer: | B | sciq |
Vertebrates are a subphylum of what phylum?
A. porifera
B. arthropoda
C. chordata
D. hydrozoa
Answer: | C | sciq |
What is the latin name for mercury?
A. stibium
B. trichina
C. spirogyra
D. hydrargyrum
Answer: | D | sciq |
The brain is said to contain gray matter, while what related structure contains white matter separated into columns?
A. spinal cord
B. orbital lobe
C. brain stem
D. amygdala
Answer: | A | sciq |
What type of behavior occurs naturally in all animals of a given species?
A. observational
B. learned
C. innate
D. reflex
Answer: | C | sciq |
What orbits an atoms' nucleus?
A. negatively charged electrons
B. positively charged protons
C. isotopes
D. neutrally charged ions
Answer: | A | sciq |
What are the three forms of water as found in nature?
A. balanced , liquid , gas
B. solid , mixture , gas
C. ice, vapor, sleet
D. solid, liquid, gas
Answer: | D | sciq |
What type of digestion is chewing an example of?
A. electromagnetic
B. gravity
C. mechanical
D. fluid
Answer: | C | sciq |
How many major massive extinctions have been since life began on earth?
A. four
B. five
C. one
D. three
Answer: | B | sciq |
What tool do scientist's use to show the evolutionary pathways and connections among organisms?
A. conceptual tree
B. phylogenetic tree
C. photogenetic tree
D. superficial tree
Answer: | B | sciq |
What kind of bonds are there between carbon atoms in saturated fatty acids?
A. electrical
B. single
C. double
D. chemical
Answer: | B | sciq |
In winter, water does what, becoming solid and causing hoses to rupture and engine blocks to crack?
A. freeze
B. shrinks
C. crystallizes
D. fractures
Answer: | A | sciq |
Unlike archaea and eukaryotes, bacteria have a cell wall made of what?
A. substrates
B. hydrogen
C. phospholipids
D. peptidoglycan
Answer: | D | sciq |
What happens to the crust if the moving oceanic crust reaches a deep sea trench?
A. it cleaves
B. ocean volcano
C. forms a continent
D. sinks into mantle
Answer: | D | sciq |
Polygenic traits are controlled by more than one of these?
A. phenotypes
B. chromosomes
C. genomes
D. genes
Answer: | D | sciq |
What system plays a critical role in the regulation of vascular homeostasis?
A. circulatory system
B. renal system
C. nervous system
D. endocrine system
Answer: | C | sciq |
How many nonpolar bonds does an oxygen molecule have?
A. 7
B. 3
C. 5
D. 2
Answer: | D | sciq |
What type of disease occurs when the immune system fails to recognize the body's own molecules?
A. cardiac
B. congenital
C. gastrointestinal
D. autoimmune
Answer: | D | sciq |
What organism is an important pioneer on cleared rock and soil surfaces, such as volcanic flows and burned forests?
A. cysts
B. pigment
C. algae
D. lichen
Answer: | D | sciq |
What hypothetical link between development of herbivores and plant defenses is observed in nature, for instance in seeds that are unsavory to animals?
A. natural selection
B. interconnection
C. coevolution
D. abjection
Answer: | C | sciq |
The term salt can refer to essentially any of what compounds?
A. metallic
B. ionic
C. absorption
D. solvent
Answer: | B | sciq |
Where is the hypothalamus–pituitary complex located in the body?
A. tribulus of the brain
B. subthalamic of the brain
C. diencephalon of the brain
D. stem of the brain
Answer: | C | sciq |
Where is the guinea worm a serious problem?
A. africa
B. ukraine
C. russia
D. florida
Answer: | A | sciq |
The reaction of calcium oxide with carbon dioxide forms what?
A. nitrogen
B. carbon monoxide
C. nitrogen carbonate
D. calcium carbonate
Answer: | D | sciq |
Cilia or flagella structures give protists what ability?
A. breathing
B. movement
C. reproduction
D. eating
Answer: | B | sciq |
What is characterized by uncontrolled cell division of abnormal cells?
A. radiation
B. concussions
C. cancer
D. hepatitis
Answer: | C | sciq |
Our global ecological footprint depends on resource use per person and what population factor?
A. population density
B. population fluctuation
C. population decrease
D. population sample
Answer: | A | sciq |
What do all sound waves begin with?
A. oscillating matter
B. vibrating matter
C. enclosing matter
D. talking matter
Answer: | B | sciq |
Animal starch, called glycogen, is stored in the liver and where else?
A. nerves
B. muscles
C. kidneys
D. hands
Answer: | B | sciq |
Kepler's laws relate to the motion of what?
A. continents
B. the sun
C. oceans
D. planets
Answer: | D | sciq |
Colloids are used industrially as what?
A. organisms
B. solutions
C. catalysts
D. impurities
Answer: | C | sciq |
What is defined as the temperature plus precipitation of an area over a long period of time?
A. weather
B. climate
C. conditions
D. environment
Answer: | B | sciq |
What manages the material and energy resources of the cell?
A. cell wall
B. nucleus
C. respiration
D. metabolism
Answer: | D | sciq |
What is the midpiece of sperm packed with?
A. urine
B. glucose
C. protein
D. mitochondria
Answer: | D | sciq |
Dry soils are relatively unproductive because plants need a sufficient quantity of liquid water to carry out what process?
A. flowering
B. shrinkage
C. photosynthesis
D. contraction
Answer: | C | sciq |
The vitamins and minerals contained in all of the food we consume are important for all of our organ systems. however, there are certain nutrients that affect this?
A. mental health
B. abnormal health
C. bone health
D. chain health
Answer: | C | sciq |
What type of plants supplement their mineral nutrition by digesting animals?
A. herbivorous
B. carnivorous
C. perennials
D. annuals
Answer: | B | sciq |
Daughter cells divide by what?
A. electrolysis
B. mitosis
C. nucleus
D. meiosis
Answer: | D | sciq |
Phytochromes regulate many plant responses to what?
A. gravity
B. light
C. heat
D. oxygen
Answer: | B | sciq |
Carbon dioxide molecules consist of a central carbon atom bonded to how many oxygen atoms?
A. one
B. two
C. three
D. four
Answer: | B | sciq |
Survivorship curves show the distribution of individuals in a population according to what metric?
A. weight
B. birth rate
C. age
D. height
Answer: | C | sciq |
Electrons are not shared equally between the two atoms in which type of covalent bonds?
A. solar
B. narrow
C. wide
D. polar
Answer: | D | sciq |
What is above each leaf scar?
A. lenticel
B. chambered pitch
C. an axillary bud
D. stipule scar
Answer: | C | sciq |
Ultimately, the fluid that is lost from the blood vessels is returned through what system?
A. urinary
B. symptomatic
C. venous
D. lymphatic
Answer: | D | sciq |
What type energy sources emit fewer or no greenhouse gases?
A. fossil
B. animal
C. gas
D. renewable
Answer: | D | sciq |
Stars spend most of their lives on the main sequence, fusing hydrogen into what?
A. carbon
B. nitrogen
C. helium
D. neon
Answer: | C | sciq |
What is a measure of how hot or cold the air is?
A. relativity
B. variation
C. temperature
D. precipitation
Answer: | C | sciq |
Where are more of an insect's internal organs kept?
A. the head
B. the abdomen
C. the chest cavity
D. the thorax
Answer: | B | sciq |
What is the measure of kinetic energy of the particles in matter?
A. energy
B. precipitation
C. temperature
D. friction
Answer: | C | sciq |
What is the name for the tiny air sacs at the end of bronchioles?
A. gills
B. alveoli
C. ganglion
D. vacuoles
Answer: | B | sciq |
What is the source of most of the energy used?
A. fossil fuels
B. the sun
C. the Earth
D. the Moon
Answer: | B | sciq |
What flows across the membrane resulting in changes in the membrane potential?
A. acids
B. neutrons
C. ions
D. electrons
Answer: | C | sciq |
The standard reduction potential can be determined by subtracting the standard reduction potential for the reaction occurring at the anode from the standard reduction potential for the reaction occurring at this?
A. cathode
B. electrode
C. plasma
D. Spinner
Answer: | A | sciq |
What are proteins made up of?
A. atoms acids
B. lewis acids
C. detected acids
D. amino acids
Answer: | D | sciq |
What proteins synthesized in cells act as catalysts?
A. byproducts
B. hormones
C. virophages
D. enzymes
Answer: | D | sciq |
What element is the sun mostly made up of?
A. hydrogen
B. mercury
C. helium
D. manganese
Answer: | A | sciq |
What shape is the gametophyte in ferns?
A. heart-shaped
B. diamond
C. rectangular
D. circular
Answer: | A | sciq |
What makes sunsets appear red?
A. floral scattering
B. wavelength scattering
C. reflection scattering
D. rayleigh scattering
Answer: | D | sciq |
Skeletal and muscular are examples of what type of system?
A. interior system
B. shell system
C. internal system
D. organ system
Answer: | D | sciq |
What is the process where light bounces back from surfaces that it cannot pass through?
A. reflection
B. diffraction
C. absorbtion
D. direction
Answer: | A | sciq |
What are butterflies and bees an example of?
A. pollinators
B. parasites
C. species
D. spores
Answer: | A | sciq |
What are clouds that form on the ground called?
A. canopy
B. smoke
C. fog
D. haze
Answer: | C | sciq |
What is formed when atoms of different elements bond together?
A. univalent compound
B. covalent compound
C. duality compound
D. phenotype compound
Answer: | B | sciq |
Where a cell resides, how it appears, and what it does define its what?
A. minute race
B. slowing rate
C. development fate
D. life cycle
Answer: | C | sciq |
What can be defined simply, as a change in position?
A. gravity
B. speed
C. motion
D. velocity
Answer: | C | sciq |
What are mars' moons thought to be?
A. new asteriods
B. guerrillas asteroids
C. captured asteroids
D. common asteriods
Answer: | C | sciq |
What is the main greenhouse gas causing global warming?
A. nitrogen
B. sulfur
C. carbon dioxide
D. carbon monoxide
Answer: | C | sciq |
A goiter is a visible indication of deficiency of what?
A. iodine
B. chlorine
C. water
D. arsenic
Answer: | A | sciq |
Pale skin and reduced eyes in salamanders that live in dark caves are an example of what?
A. expansion
B. reproduction
C. adaptations
D. interpretation
Answer: | C | sciq |
Kidney stones are considered a disease that affects which system?
A. reproductive system
B. digestive system
C. urinary system
D. muscular system
Answer: | C | sciq |
The concentration of hydrogen ions in a solution is called?
A. acidity
B. alcohol
C. moisture
D. alkalinity
Answer: | A | sciq |
Within a group, the ionization energy decreases as the size of the atom gets what?
A. brighter
B. larger
C. smaller
D. lighter
Answer: | B | sciq |
Temperature can affect what attribute of a siamese cat's coat?
A. color
B. chemical makeup
C. weight
D. density
Answer: | A | sciq |
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