prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
How many amino acids generally consist in protien?
A. 67 or more
B. 7 or more
C. 100 or more
D. 13 or more
Answer: | C | sciq |
Rain, snow, sleet, and hail are all examples of what?
A. temperature
B. precipitation
C. liquids
D. erosion
Answer: | B | sciq |
Where would you find most pollution of ocean water?
A. coastline
B. midocean
C. trenches
D. poles
Answer: | A | sciq |
Water can be a solid, liquid, and what other form?
A. square
B. gas
C. plasma
D. ooze
Answer: | B | sciq |
What happens to a species when all of the individuals die out or evolve into a different species?
A. extinction
B. accumulation
C. depletion
D. selection
Answer: | A | sciq |
The viscosity of a liquid is a measure of what?
A. ability to absorb flow
B. resistance to change form
C. resistance to flow
D. adaptability to surroundings
Answer: | C | sciq |
How is energy expressed when it is released in a chemical reaction?
A. as an equation
B. as a percentage
C. as negative number
D. as a positive number
Answer: | C | sciq |
What is the term for a structure within the cytoplasm that performs a specific job in the cell?
A. molecule
B. organelle
C. nucleolus
D. vacuole
Answer: | B | sciq |
What part of a mature plant cell is responsible for storing substances like water, enzymes, and salts?
A. second vacuole
B. central vacuole
C. little vacuole
D. large vacuole
Answer: | B | sciq |
Whereas each cell shares the same genome and dna sequence, each cell does not turn on, or express, the same set of what?
A. eggs
B. balls
C. genes
D. babies
Answer: | C | sciq |
In biology, what is required for ecosystems to survive?
A. helium
B. energy
C. space
D. minerals
Answer: | B | sciq |
Because glucose is a major cellular fuel, starch represents a supply of what?
A. carbon
B. energy
C. oxygen
D. hydrogen
Answer: | B | sciq |
Seed plants that produce seeds in the ovaries of their flowers are known as what?
A. gymnosperms
B. spores
C. angiosperms
D. conifers
Answer: | C | sciq |
Which blood vessels is oxygen transferred through?
A. cilia
B. veins
C. arteries
D. capillaries
Answer: | D | sciq |
What small biological structures make up all living things, including the human body?
A. lipids
B. scales
C. cells
D. proteins
Answer: | C | sciq |
How does carbon dioxide chemically weather rocks?
A. by creating acids
B. by creating proteins
C. by creating heat
D. by creating water
Answer: | A | sciq |
What is the interaction of waves with other waves called?
A. wave mixing
B. wave dancing
C. wave induction
D. wave interference
Answer: | D | sciq |
What kinds of rocks can change and become new types of rocks?
A. sedimentary rocks
B. any types of rocks
C. metamorphic rocks
D. igneous rocks
Answer: | B | sciq |
What type of earthquake has a shallow focus because the plates meet near the surface?
A. gas giant
B. divergent boundary
C. transform fault
D. tectonic
Answer: | C | sciq |
What causes waves to bring sand up onto the beach during summers?
A. high energy
B. low sand density
C. no energy
D. low energy
Answer: | D | sciq |
What kind of bases completely dissociate in water, releasing all hydroxide anions into the solution?
A. unusual
B. strong
C. weak
D. whole
Answer: | B | sciq |
What model of the atom features an electron orbiting a nucleus, forming a closed-current loop and producing a magnetic field with a north pole and a south pole?.
A. hydrogen model
B. solar model
C. planetary model
D. gravitational model
Answer: | C | sciq |
Nearly all apicomplexans are parasites of what?
A. plants
B. fungi
C. animals
D. stars
Answer: | C | sciq |
What is the term for sheets of cells that form a boundary between a mass of cells and a cavity or space?
A. myelin
B. epithelia
C. ganglion
D. mucus
Answer: | B | sciq |
What does a cell need to transform into a cancerous cell?
A. adaptations
B. parasites
C. microbes
D. mutations
Answer: | D | sciq |
Circular water waves decrease in what property as they move away from where a rock is dropped?
A. amplitude
B. frequency
C. voltage
D. mass
Answer: | A | sciq |
What property of certain states of matter can be given in units of millimeters of mercury?
A. gravity
B. solvency
C. pressure
D. velocity
Answer: | C | sciq |
Loss of energy is the reason that what typically has few levels?
A. food chain
B. the atmosphere
C. video games
D. humans
Answer: | A | sciq |
Root-like projections anchor adults of what colony-dwelling animals to solid surfaces such as rocks and reefs?
A. corals
B. sponges
C. anemones
D. molluscs
Answer: | B | sciq |
We divide up the earth's seas into five what, which are really all interconnected?
A. lakes
B. ecosystems
C. oceans
D. continents
Answer: | C | sciq |
Regulated by guard cells, stomata allow what to enter and exit the plant?
A. nutrients
B. molecules
C. gases
D. fluid
Answer: | C | sciq |
The rising and sinking of these can cause precipitation?
A. temporary air currents
B. circular air currents
C. global air currents
D. underwater currents
Answer: | C | sciq |
Where does evidence that magnetic reversals occur come from?
A. rocks on ocean floor
B. snow
C. air
D. Volcanoes
Answer: | A | sciq |
What is used to measure air pressure?
A. indicator
B. thermometer
C. metrometer
D. barometer
Answer: | D | sciq |
As altitude rises, what happens to the temperature in the thermosphere?
A. oxygen decreases
B. temperature increases
C. temperature decreases
D. oxygen increases
Answer: | B | sciq |
How many stomach compartments do ruminants have?
A. four
B. two
C. seven
D. five
Answer: | A | sciq |
Seismic waves show that the inner core of the earth is solid while the outer core is what?
A. liquid
B. gas
C. lava
D. silicon
Answer: | A | sciq |
What do ions of the same charge do?
A. merge
B. repel each other
C. attract each other
D. discard each other
Answer: | B | sciq |
Integral proteins penetrate the hydrophobic interior of the what?
A. metabolism bilayer
B. carbon bilayer
C. skin bilayer
D. lipid bilayer
Answer: | D | sciq |
The thermal properties of what substance largely contribute to the temperature climate of europe?
A. clouds
B. lava
C. soil
D. water
Answer: | D | sciq |
Our sun is on the main sequence, like most stars, and it is classified by what colorful name?
A. yellow dwarf
B. red dwarf
C. white dwarf
D. blue dwarf
Answer: | A | sciq |
Stirring, surface area, and temperature affect the rate at which what occurs?
A. solute dissolves
B. solute freezes
C. solute fragments
D. concentration dissolves
Answer: | A | sciq |
What process of gradual change is the source of diversity of life on earth?
A. evolution
B. development
C. creation
D. variation
Answer: | A | sciq |
Shivering helps the body return to a stable what?
A. pH level
B. mood
C. temperature
D. weight
Answer: | C | sciq |
What term is used to describe a solution in which water is the solvent?
A. aqueous solution
B. sediment solution
C. hydro solution
D. liquids solution
Answer: | A | sciq |
What is prosopagnosia?
A. time blindness
B. way blindness
C. face blindness
D. lack of memory
Answer: | C | sciq |
Fungi are unique in having cell walls made of what?
A. prokaryotic
B. Protein
C. lectin
D. chitin
Answer: | D | sciq |
What is the largest body in the solar system?
A. planet
B. earth
C. asteroids
D. sun
Answer: | D | sciq |
Which part of an earthquake is in the ground where the ground breaks?
A. the focus
B. the epicenter
C. the fault
D. the tectonic plate
Answer: | A | sciq |
What substances contained in lemons, vinegar, and sour candies have a sour taste?
A. acids
B. proteins
C. lactose
D. fats
Answer: | A | sciq |
Many microorganisms are single celled and use what for perception and movement?
A. nucleus
B. chloroplasts
C. mitochondria
D. organelles
Answer: | D | sciq |
Because it produces oxygen, what plant process was necessary for the evolution of animals?
A. reproduction
B. death
C. photosynthesis
D. germination
Answer: | C | sciq |
What category of animals in the vertebrate group has a relatively small brain but highly developed sense organs?
A. arthropods
B. mammals
C. primates
D. fish
Answer: | D | sciq |
What distinguishing feature predates the branching of mammals from other vertebrates?
A. eggs
B. teeth
C. backbone
D. adaptation
Answer: | C | sciq |
The simplest way to define a base is which kind of compound that produces hydroxide ions when dissolved in water?
A. magnetic
B. solvent
C. covalent
D. ionic
Answer: | D | sciq |
What is the term for behaviors that are closely controlled by genes with little or no environmental influence?
A. innate behaviors
B. observational behaviors
C. learned behavior
D. reflex behaviors
Answer: | A | sciq |
In the forward reaction, hydrogen and iodine combine to form what?
A. iodinic hydrogen
B. ionic hydrogen
C. hydrogen iodide
D. hydrogen ionicide
Answer: | C | sciq |
Catalysts can greatly increase the rates of chemical what?
A. reactions
B. effects
C. decay
D. photosynthesis
Answer: | A | sciq |
Ecology, botany, and zoology are what type of science?
A. psychological sciences
B. life science
C. chemistry
D. physical sciences
Answer: | B | sciq |
How do we describe chemical reactions?
A. equilibrium
B. balanced reactions
C. atomic numbers
D. chemical equations
Answer: | D | sciq |
Represented in equations by the letter "g", what pulls objects down to the earth's surface?
A. energy
B. gravity
C. motion
D. light
Answer: | B | sciq |
The similarity in biochemical compounds between living things provides evidence for the evolution of species from what?
A. recent ancestors
B. common ancestors
C. rare tribes
D. varied ancestors
Answer: | B | sciq |
The only invertebrates than can fly belong to what broad group, which is highly successful?
A. insects
B. bats
C. spiders
D. birds
Answer: | A | sciq |
The dna is wound around proteins called what?
A. pepsins
B. leptons
C. histones
D. nucleotides
Answer: | C | sciq |
What part of an animal helps to prevent water loss and gives support and protection?
A. backbone
B. exoskeleton
C. cuticle
D. membrane
Answer: | B | sciq |
Protozoa are generally difficult to identify due to what?
A. their varied shape
B. their resting shape
C. their hidden shape
D. their formation shape
Answer: | A | sciq |
Where does digestion begin?
A. gastrovascular cavity
B. excretory system
C. oral cavity
D. spicule cavity
Answer: | A | sciq |
What basic units are neither created nor destroyed during a chemical change, but are instead rearranged?
A. particles
B. atoms
C. molecules
D. Electrons
Answer: | B | sciq |
Which members of the food chain break down remains of plants and other organisms when they die?
A. decomposers
B. Respiration
C. fluxes
D. nematodes
Answer: | A | sciq |
Concentration is the removal of solvent, which increases the concentration of what?
A. solute
B. vapor
C. Water
D. sodium
Answer: | A | sciq |
What type of coal deposits are the most extensive ever formed?
A. jurassic
B. precambrian
C. carboniferous
D. mesozoic
Answer: | C | sciq |
What is the term for the skeletal structure of the head that supports the face and protects the brain?
A. ribcage
B. thorax
C. cranium (skull)
D. pelvis
Answer: | C | sciq |
What is it called when organisms with traits that better enable them to adapt to their environment tend to survive and reproduce in greater numbers?
A. natural selection
B. natural distribution
C. adaptation
D. evolution
Answer: | A | sciq |
A crow that becomes used to a scarecrow and lands on it is an example of what?
A. adaptation
B. assimilation
C. dissociation
D. habituation
Answer: | D | sciq |
What term is used to describe the sequence of elementary steps that together comprise an entire chemical reaction?
A. elemental mechanism
B. source mechanism
C. potassium mechanism
D. reaction mechanism
Answer: | D | sciq |
Structurally, diplomonads have two equal-sized what and multiple flagella?
A. electrons
B. neutrons
C. nuclei
D. atoms
Answer: | C | sciq |
What is the term for the affected factor in an experiment?
A. multiple variable
B. dependent variable
C. independent variable
D. stable variable
Answer: | B | sciq |
Furthermore, most of the proteins within membranes have both hydrophobic and which other regions?
A. hydrophilic
B. cytosolic
C. atmospheric
D. lymphatic
Answer: | A | sciq |
What are proteins that increase the rate of biochemical reactions?
A. hormones
B. amino acids
C. metabolites
D. enzymes
Answer: | D | sciq |
What process enables all living things to maintain a constant internal environment?
A. ketosis
B. homeostasis
C. consciousness
D. peristalsis
Answer: | B | sciq |
Which hormone is secreted by the pancreas in a human body?
A. progesterone
B. insulin
C. estrogen
D. growth hormone
Answer: | B | sciq |
What are the gas giants mostly made of .
A. nitrogen and helium
B. calcium and helium
C. hydrogen and carbon
D. hydrogen and helium
Answer: | D | sciq |
Static friction acts on objects when they are resting on what?
A. a single point
B. a pool of water
C. a surface
D. their laurels
Answer: | C | sciq |
The ammonium ion is what type of acid?
A. kaon - lowry
B. normal -lowry
C. brønsted-lowry
D. oxidized - lowry
Answer: | C | sciq |
Loss of muscle mass due to breakdown of structural proteins is known as what?
A. exhaustion
B. atrophy
C. mutation
D. distrophy
Answer: | B | sciq |
Which of these is last if ordered in increasing size: galaxy, solar system, star cluster?
A. star cluster
B. solar system
C. galaxy
D. none of these
Answer: | C | sciq |
What encloses the genetic material of the virus?
A. the capsid
B. nuclei
C. mitochondria
D. the spindle
Answer: | A | sciq |
Plant-like protists are called what?
A. yeasts
B. bacterium
C. algae
D. sponge
Answer: | C | sciq |
How do mammals ventilate their lungs?
A. negative pressure breathing
B. negative combination breathing
C. negative pressure vocalizing
D. negative atmospheric breathing
Answer: | A | sciq |
Blood vessels blood pumped by the heart flows through a series of vessels known as arteries, arterioles, capillaries, venules, and veins before returning to this?
A. heart
B. brain
C. lungs
D. feet
Answer: | A | sciq |
What do you call the fragments of cells involved in the clotting process that are suspended in blood plasma?
A. platelets
B. ironites
C. hemoglobin
D. hematocrit
Answer: | A | sciq |
What year did the soho spacecraft first started to operate?
A. 2012
B. 1987
C. 2006
D. 1996
Answer: | D | sciq |
Concentration of what, the substance left behind when ocean water evaporates, is about 3.5 percent?
A. quartz
B. sugar
C. hydrogen
D. salts
Answer: | D | sciq |
What has a distinct front and back end?
A. volvox sphere
B. heroclix sphere
C. imipenem sphere
D. hydro sphere
Answer: | A | sciq |
In how many basic was can substances cross the plasma membrane?
A. one
B. four
C. two
D. three
Answer: | C | sciq |
What type of cells have chloroplasts?
A. human cells
B. simple cells
C. animal cells
D. plant cells
Answer: | D | sciq |
What is the term for disease-causing agents, such as bacteria and viruses?
A. pathogens
B. spores
C. vaccines
D. parasites
Answer: | A | sciq |
To figure out the height of a wave you measure the distance between the crest and what?
A. core
B. trough
C. drift
D. crater
Answer: | B | sciq |
Humans possess greater diversity of what type, compared to laboratory animals?
A. pathogens
B. lifespans
C. genetics
D. elements
Answer: | C | sciq |
What system can be used by scientists to express very small numbers?
A. similar notation
B. scientific diffusion
C. scientific notation
D. certain diffusion
Answer: | C | sciq |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.