prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
What are the building blocks of life?
A. cells
B. muscles
C. seeds
D. bricks
Answer: | A | sciq |
The amount of energy needed to raise the temperature of one gram of liquid water by 1°c is also known as?
A. specific heat
B. mass
C. calorie
D. Kelvin
Answer: | A | sciq |
What helps amplify the effects of extracellular signals?
A. spontaneous cascades
B. electrical cascades
C. enzymatic cascades
D. mutation cascades
Answer: | C | sciq |
What units are typically used to measure heats of reaction?
A. kilojoules
B. degrees Celsius
C. volts
D. kilobytes
Answer: | A | sciq |
What are solutions that maintain a relatively constant ph when an acid or a base is added?
A. water
B. liquids
C. buffer
D. gases
Answer: | C | sciq |
Along with dna, what is the other main type of nucleic acid?
A. nucleotides
B. rna
C. cytoplasm
D. protein
Answer: | B | sciq |
Glutathione is a low-molecular-weight compound found in living cells that is produced naturally by what?
A. blood
B. liver
C. brain
D. amino acids
Answer: | B | sciq |
What work together in pairs to bend or straighten a joint?
A. muscles
B. cartilage tissues
C. nerve fibers
D. collagen bands
Answer: | A | sciq |
What are the outer-shell electrons of an atom called?
A. outer electrons
B. organism electrons
C. valence electrons
D. helium electrons
Answer: | C | sciq |
What kind of reproduction is vegetative reproduction?
A. asexual
B. mitosis
C. meiosis
D. sexual
Answer: | A | sciq |
What type of tissue runs the length of a stem in vascular bundles?
A. cardiac tissue
B. muscle tissue
C. thermal tissue
D. vascular tissue
Answer: | D | sciq |
Birds have a relatively large heart and a rapid what?
A. blink rate
B. lifespan
C. heart rate
D. digestive process
Answer: | C | sciq |
When a warm air mass becomes trapped between two cold air masses, what type of front occurs?
A. occluded front
B. storm front
C. obscured front
D. stationary front
Answer: | A | sciq |
What is water falling from the sky called?
A. distillation
B. erosion
C. vaporization
D. precipitation
Answer: | D | sciq |
What forms when atoms share or transfer valence electrons?
A. levels
B. fusion
C. replicas
D. bonds
Answer: | D | sciq |
Which part of the axon has a higher membrane potential?
A. canals hillock
B. muscular hillock
C. biofilm hillock
D. axon hillock
Answer: | D | sciq |
A diploid zygote is formed when one sperm does what?
A. fertilizes the egg
B. cracks the egg
C. repels the egg
D. incapacitates the egg
Answer: | A | sciq |
As ph increases what happens to a solution?
A. depends on the solution
B. becomes less basic
C. stays the same
D. becomes more basic
Answer: | D | sciq |
What is the term for changes in speed or direction, changes that make a roller coaster ride so exciting?
A. oscillation
B. inclination
C. acceleration
D. transmission
Answer: | C | sciq |
What do aquatic mollusk species use for respiration?
A. lungs
B. phototropism
C. gills
D. pores
Answer: | C | sciq |
Because the solute is moving down the concentration gradient, and no input of energy is required, facilitated diffusion is considered what type of transport?
A. adaptive
B. active
C. passive
D. neutral
Answer: | C | sciq |
What does fiber help keep at normal levels in the body?
A. hydration
B. sugar and lipids
C. salt and cholesterol
D. bloodpressure
Answer: | B | sciq |
What is it called when plant roots absorb liquid water and release water vapor into the atmosphere?
A. sedimentation
B. evaporation
C. perspiration
D. transpiration
Answer: | D | sciq |
Fossil fuels and nuclear power are what type of resource?
A. recurring
B. nonrenewable
C. reusable
D. renewable
Answer: | B | sciq |
The stoichiometric coefficients indicate the relative amounts of what?
A. trajectories and products
B. reactions and products
C. exigencies and products
D. reactants and products
Answer: | D | sciq |
Blood enters the heart in what valve?
A. tricuspid
B. aortic
C. mitral
D. atria
Answer: | D | sciq |
What works through chemical reactions that change the rock?
A. rock weathering
B. gradual weathering
C. chemical breakdown
D. chemical weathering
Answer: | D | sciq |
What is necessary for new alleles to be created?
A. new frequencies
B. new mutations
C. new rna
D. cross-pollination
Answer: | B | sciq |
What does the placenta sustain during pregnancy?
A. the fetus
B. the heart
C. the endocrine system
D. the mother
Answer: | A | sciq |
Other than nitrogen, which nutrient most often limits marine production?
A. zinc
B. calcium
C. potassium
D. phosphorus
Answer: | D | sciq |
What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system?
A. particles
B. comets
C. meteorites
D. asteroids
Answer: | C | sciq |
Minerals are grouped based on what?
A. mineral composition
B. density
C. carbon composition
D. chemical composition
Answer: | D | sciq |
What is the term for the average number of individuals in a population for a given area?
A. population density
B. Area Density
C. population structure
D. result density
Answer: | A | sciq |
What is the shape of the thyroid gland?
A. square-shaped
B. triangle-shaped
C. snake - shaped
D. butterfly-shaped
Answer: | D | sciq |
Instead of using their nose, reptiles can use what organ to smell scents?
A. bladder
B. eye
C. liver
D. tongue
Answer: | D | sciq |
How does the diaphragm look like when it is at rest?
A. dam - shaped
B. flat
C. inverted
D. dome-shaped
Answer: | D | sciq |
What is the smallest unit of matter that still maintains it's properties of being an element?
A. an atom
B. an electron
C. a cell
D. a proton
Answer: | A | sciq |
Evolution occurs by what process whereby better-adapted members pass along their traits, according to darwin?
A. organic selection
B. spontaneous variation
C. natural selection
D. natural change
Answer: | C | sciq |
In flowering plants, male gametophytes are in grains of what?
A. bacteria
B. nitrogen
C. viruses
D. pollen
Answer: | D | sciq |
How many different ways can molecules pass through a phospholipid membrane?
A. five
B. four
C. three
D. six
Answer: | C | sciq |
Snow and rain are forms of what weather?
A. sediment
B. evaporation
C. precipitation
D. cold fronts
Answer: | C | sciq |
There is a positive correlation between the ability to conduct thermal energy and what other energy, as exemplified by metals?
A. gravitational
B. elastic
C. electricity
D. nuclear
Answer: | C | sciq |
Most ocean waves are caused by what?
A. gravity
B. radiation
C. animals
D. wind
Answer: | D | sciq |
What kind of climates are found at or near the equator?
A. tropical climates
B. dry grasslands
C. tundra
D. arctic climates
Answer: | A | sciq |
The uranium series is a chain constituting one what, which encompass naturally occurring isotopes of the heaviest elements?
A. gland decay family
B. fuel decay family
C. nuclear decay family
D. radioactive decay family
Answer: | D | sciq |
Producing light without a high temperature is called?
A. effervescence
B. plasma
C. fluorescence
D. luminescence
Answer: | D | sciq |
Mutualism is a symbiotic relationship that has what effect on both species involved?
A. disadvantageous
B. harmful
C. beneficial
D. destructive
Answer: | C | sciq |
What do you call chemical reactions that take place inside living things?
A. biochemical reactions
B. contaminated reactions
C. autonomous reactions
D. physical reactions
Answer: | A | sciq |
What types of blood cells are required for aerobic respiration?
A. red blood cells
B. large blood cells
C. white blood cells
D. grey blood cells
Answer: | A | sciq |
The phase transition of a substance changing from a liquid state to a gaseous state is an example of what?
A. spirogyra
B. trichina
C. catostrophy
D. entropoy
Answer: | D | sciq |
What is the fracture called when rocks on both sides move?
A. a fault
B. a stress fracture
C. a crevice
D. a shear
Answer: | A | sciq |
In heart muscle, what released by neurons activates a signal transduction pathway?
A. dopamine
B. glucose
C. acetylcholine
D. glutamate
Answer: | C | sciq |
What do some plants produce that protects dormant seeds and aids in their dispersal?
A. stems
B. roots
C. leaves
D. fruit
Answer: | D | sciq |
In a generator, work done to turn the coil is converted to what type of energy?
A. electric
B. solar
C. voltage
D. power
Answer: | A | sciq |
What do you call a pattern of stars in the night sky?
A. cluster
B. planets
C. constellation
D. Solar Systems
Answer: | C | sciq |
An antigen is a macromolecule that reacts with components of what?
A. immune system
B. digestion system
C. pulmonary system
D. circulatory system
Answer: | A | sciq |
The measure of a substances entropy at 25 degrees celsius is known as it's?
A. new entropy
B. limited entropy
C. specific entropy
D. standard entropy
Answer: | D | sciq |
Gastric emptying is regulated by both the stomach and what other digestive structure?
A. small intestine
B. duodenum
C. appendix
D. esophagus
Answer: | B | sciq |
What is the type of cell division where the number of chromosomes is reduced in half?
A. mitosis
B. interphase
C. cloning
D. meiosis
Answer: | D | sciq |
What is the most common cause of lung cancer?
A. tobacco smoke exposure
B. restaurant smoke exposure
C. tree smoke exposure
D. coal smoke exposure
Answer: | A | sciq |
Some consumers such as the mushroom get their energy from what?
A. dead organic matter
B. solar energy
C. inorganic matter
D. minerals
Answer: | A | sciq |
What does the second number in a blood pressure reading measure?
A. diastolic pressure
B. external pressure
C. optimal pressure
D. epithelial pressure
Answer: | A | sciq |
The rock of the mantle is mostly what?
A. crystalline
B. silicon
C. metamorphic
D. peridotite
Answer: | D | sciq |
Ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean are called what?
A. break water
B. coral reefs
C. trenches
D. lagoon
Answer: | B | sciq |
What compound is formed when there are sparking electrical equipment?
A. carbon
B. smog
C. ozone
D. water
Answer: | C | sciq |
What is the number of protons in the nucleus?
A. atomic number
B. element
C. atomic mass
D. metallic number
Answer: | A | sciq |
What organism is at the top of the energy pyramid?
A. carnivore
B. insects
C. primate
D. herbivore
Answer: | A | sciq |
What structure of the heart receives oxygen-poor blood from the body, then pumps the blood into the right ventricle?
A. left atrium
B. right ventricle
C. left ventricle
D. right atrium
Answer: | D | sciq |
Which organelle is often compared to a post office, moving proteins and lipids to where they need to go?
A. the golgi apparatus
B. the cell wall
C. the cytoplasm
D. the nucleus
Answer: | A | sciq |
What takes both the shape and the volume of their container?
A. fluids
B. tissues
C. solids
D. gases
Answer: | D | sciq |
What is the lowest level of organization that can perform all activities required for life?
A. tissues
B. organs
C. nucleii
D. the cell
Answer: | D | sciq |
Where are most of the organs contained in insects?
A. the abdomen
B. thorax
C. head
D. appendages
Answer: | A | sciq |
The appendicular skeleton is made up of all bones of the upper and lower what?
A. hemispheres
B. digestive tract
C. organs
D. limbs
Answer: | D | sciq |
What can be thought of as the capacity a device has for storing charge?
A. capacitance
B. potential
C. velocity
D. resonance
Answer: | A | sciq |
What do electromagnetic receptors detect?
A. background radiation
B. dangerous radiation
C. subtle radiation
D. electromagnetic radiation
Answer: | D | sciq |
Nutrients from food are absorbed by the blood for transport around the body as part of what system?
A. digestive
B. circulatory
C. growth
D. respiratory
Answer: | A | sciq |
What occurs when plants release water vapor through stomata (leaf pores)?
A. evaporation
B. transpiration
C. crystallization
D. inhalation
Answer: | B | sciq |
The stomach mucosa’s epithelial lining consists only of surface mucus cells, which secrete a protective coat of what?
A. acidic mucus
B. bile mucus
C. phosphate mucus
D. alkaline mucus
Answer: | D | sciq |
A substance too big to be pumped across the cell membrane may enter or leave the cell by what method?
A. vesicle transport
B. passive transpiration
C. absorption
D. vesicle infusion
Answer: | A | sciq |
What is the process in which unstable nuclei become stable by emitting particles and energy and changing to different elements called?
A. radioactive decay
B. radioactive decrease
C. nuclear decay
D. initial decay
Answer: | A | sciq |
Most taste buds on the tongue are associated with nipple-shaped projections called what?
A. papillae
B. antennae
C. cilia
D. mucosa
Answer: | A | sciq |
What is the lowest energy state of the atom called?
A. base state
B. active state
C. work state
D. ground state
Answer: | D | sciq |
What kind of diseases involve the immune system accidentally attacking healthy body cells?
A. metabolic
B. autoimmune
C. contagious diseases
D. inflammation
Answer: | B | sciq |
Bacteria may divide several what an hour?
A. times
B. cells
C. days
D. hosts
Answer: | A | sciq |
The partial pressure of each gas in a mixture is proportional to its what?
A. mesh fraction
B. lactic fraction
C. mole fraction
D. chemical fraction
Answer: | C | sciq |
The combination decomposition or rearrangement of elements and compounds to form new substances is known as?
A. mineral changes
B. chemical changes
C. ionic changes
D. carbon changes
Answer: | B | sciq |
When is melatonin secreted?
A. in the afternoon
B. in the morning
C. all day
D. at night
Answer: | D | sciq |
In which phase do the chromosomes duplicate?
A. mitosis
B. prophase
C. metaphase
D. interphase
Answer: | D | sciq |
Which muscle is a band-like muscle that extends from the anterior superior iliac spine to the medial side?
A. soleus
B. tibialis anterior
C. vastus medialis
D. sartorius
Answer: | D | sciq |
Filter feeders, such as sponges, pump water into their body through what structures?
A. pores
B. fibers
C. valves
D. lungs
Answer: | A | sciq |
What are ionic solutes?
A. salts
B. solvent
C. electrolytes
D. carbohydrates
Answer: | C | sciq |
As with other organic compounds that form hydrogen bonds, water solubility of amines is reflected in the length of what?
A. hydrocarbon bonds
B. complex carbohydrates
C. carbon chains
D. nuclei chains
Answer: | C | sciq |
What is the tubular passageway through which the embryo or fetus leaves the mother’s body during birth?
A. uterus
B. vagina
C. cervix
D. penis
Answer: | B | sciq |
What has the average global temperature done since the 1900s?
A. changed randomly
B. stayed constant
C. decreased
D. risen
Answer: | D | sciq |
An solid object with an irregular shape can be measured via what method?
A. vibration
B. displacement
C. variation
D. radiation
Answer: | B | sciq |
Deterioration of limestone occurs more rapidly as the concentration of what increases?
A. ground pollutants
B. water pollutants
C. ocean pollutants
D. air pollutants
Answer: | D | sciq |
In which order does the reactivity of halogen group decline?
A. bottom to top
B. right to left
C. left to right
D. top to bottom
Answer: | D | sciq |
Photosynthesis converts carbon dioxide and water into what?
A. insulin
B. glutamate
C. carbon
D. glucose
Answer: | D | sciq |
Which genetic disorder results in the inability of melanocytes to produce melanin?
A. albinism
B. cancers
C. anemia
D. hyperthyroidism
Answer: | A | sciq |
Most diseases caused by bacteria can be cured by which medicines?
A. antioxidants
B. antibiotics
C. hydroxides
D. inhibitors
Answer: | B | sciq |
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