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