prompt stringlengths 51 646 | completion stringclasses 8
values |
|---|---|
After passing through capillaries and being filtered, clean blood leaves what organ through a vein?
A. heart
B. pancreas
C. liver
D. kidney
Answer: | D |
What kind of medical intervention seeks to eradicate diseases like polio and measles?
A. surgical intervention
B. malnutrition
C. nutrition
D. vaccination
Answer: | D |
The ostrich, kiwi, rhea, cassowary, and moa are examples of what kind of birds?
A. predators
B. raptors
C. flightless
D. prehistoric
Answer: | C |
What occurs when individuals of different species strive for a limited resource in the same area?
A. vegetal competition
B. interspecific competition
C. intraspecific competition
D. asexual competition
Answer: | B |
Most fungi reproduce asexually by producing what?
A. ions
B. toxins
C. spores
D. seeds
Answer: | C |
Alchemists, as early as the eighth century, knew nitric acid as aqua fortis, which means?
A. applied water
B. strong water
C. isolated water
D. clean water
Answer: | B |
Particles of sand and what other substance are carried by longshore drift?
A. magma
B. rock
C. soil
D. bone
Answer: | B |
Most reptiles reproduce sexually and have what type of fertilization?
A. additional
B. internal
C. mechanical
D. external
Answer: | B |
What is type of substance is formed when water vapor condenses or when ice melts?
A. toxic water
B. liquid water
C. chemical water
D. gaseous water
Answer: | B |
What occur because solid lithosphere travels on a round planet?
A. volcanos
B. intraplate earthquakes
C. aeration earthquakes
D. ejecta earthquakes
Answer: | B |
What is the unit of evolution?
A. community
B. population
C. species
D. biome
Answer: | B |
The boiling points of liquid also correlate to the strength of which forces?
A. centrifugal
B. gravitational
C. supramolecular
D. intermolecular
Answer: | D |
Vitamin d is made in the skin when it is exposed to what?
A. darkness
B. dirt
C. water
D. sunlight
Answer: | D |
Of the three basic types of radioactive emissions, what particle is the most penetrating?
A. gamma
B. neutron
C. alpha
D. beta
Answer: | A |
Which ocean zone is the narrow strip along a coastline that is covered by water at high tide and exposed to air at low tide?
A. deep zone
B. intertidal zone
C. calcareous zone
D. miniscule zone
Answer: | B |
Elongation is the addition of what to the mrna strand?
A. filaments
B. codons
C. glycine
D. nucleotides
Answer: | D |
What is the distance north or south of the equator called?
A. longitude
B. Prime Meridian
C. latitude
D. inclination
Answer: | C |
The force exerted by a diving board is conservative, provided the internal friction is this?
A. significant
B. intrinsic
C. negligible
D. static
Answer: | C |
Along with other elements, most ores are made of what?
A. sodium
B. metal
C. coal
D. crystals
Answer: | B |
The bottoms—but not the tops—of the wave slow down because of what?
A. temperature
B. size
C. friction
D. vibration
Answer: | C |
Molecular geometry is the three-dimensional arrangement of atoms in a what?
A. molecule
B. genes
C. nucleus
D. DNA
Answer: | A |
What mineral is used to produce glass?
A. quartz
B. feldspar
C. lead
D. pyrite
Answer: | A |
What is caused by atoms or ions when they share or transfer valance electrons?
A. force of repulsion
B. gain of charge
C. force of attraction
D. loss of charge
Answer: | C |
Due to the time it takes for light to reach us, galaxies at the edge of the universe are distant in terms of space and what else?
A. energy
B. gravity
C. temperature
D. time
Answer: | D |
Some membrane proteins that actively transport ions contribute to what?
A. cellular potential
B. protein potential
C. membrane potential
D. organism potential
Answer: | C |
In which human organ do the juveniles develop into sexually mature adults?
A. muscles
B. tissues
C. liver
D. intestines
Answer: | D |
Both sexes of sockeye salmon turn red with green heads just prior to what?
A. feeding
B. spawning
C. migrating
D. dying
Answer: | B |
While the numerical aperture can be used to compare resolutions of various objectives, it does not indicate how far the lens could be from the what?
A. focal point
B. specimen
C. diameter
D. microscope
Answer: | B |
Energy from the sun has a wide range of wavelengths.what is the total range of energy called?
A. light spectrum
B. electromagnetic spectrum
C. heat spectrum
D. thermal spectrum
Answer: | B |
When something loses electrons, it must also?
A. gain electrons
B. gain protons
C. slow down
D. reduce protons
Answer: | A |
Water and chemical elements that organisms need keep recycling through biogeochemical what?
A. levels
B. mutations
C. effects
D. cycles
Answer: | D |
What is the most abundant biochemical compound, making up the cell walls of plants?
A. mitochondria
B. cytoplasm
C. cellulose
D. magnesium
Answer: | C |
What organisms use cilia, pseudopods, or flagella to move?
A. prokaryotes
B. bacteria
C. arthropods
D. protists
Answer: | D |
During which phase do sister chromatids separate and the centromeres divide?
A. cell phase
B. passivation
C. anaphase
D. gap cycle
Answer: | C |
What term describes a type of redox reaction in which the same substance is both oxidized and reduced?
A. interposition
B. disproportion
C. disapprobation
D. misappropriation
Answer: | B |
Each organism inherits one of what item for each gene from each parent?
A. cell
B. molecule
C. phenotype
D. allele
Answer: | D |
What term is used to refer to the external female reproductive structures collectively?
A. uterus
B. vulva
C. vagina
D. cervix
Answer: | B |
Which state of matter has the lowest density?
A. fluids
B. gases
C. liquids
D. solids
Answer: | B |
Skeletal, cardiac, and smooth are the three types of what cells and possess morphologies correlated with their functions?
A. cartilage tissue
B. muscle
C. bone
D. organ
Answer: | B |
What do glands in the skin produce to cool down the body?
A. sweat
B. mucus
C. saliva
D. lactic acid
Answer: | A |
The only obvious difference between boys and girls at birth is what type of organs?
A. respiratory
B. nervous
C. digestive
D. reproductive
Answer: | D |
Mammals have a number of kinds of thermoreceptors, each specific for a particular what?
A. electrical range
B. oxygen range
C. weight range
D. temperature range
Answer: | D |
With a shape that specially suits its function of sending nerve signals to other cells, the human nerve cell is an example of what?
A. specialization
B. maturation
C. evolution
D. adaptation
Answer: | A |
What is defined as the mass per unit volume of a substance?
A. density
B. weight
C. height
D. diameter
Answer: | A |
What reaction means, literally, “splitting with water"?
A. hydrolysis
B. hydroxis
C. fission
D. aqueous
Answer: | A |
Approximately how much larger is the radius of an atom than that of its nucleus?
A. 1 times
B. 100 times
C. 10 times
D. 1000 times
Answer: | C |
What can be worn to protect hands and skin from harm?
A. filters
B. masks
C. splints
D. gloves
Answer: | D |
What type of movements are produced when the angle between the bones of a joint changes?
A. circular
B. angular
C. oblong
D. microscopic
Answer: | B |
What senses the movement of liquid in ear canals?
A. muscle cells
B. Ear Drum
C. Brain Cells
D. hair cells
Answer: | D |
What part of the brain regulates certain hormones associated with reproduction during breeding seasons?
A. thalamus
B. hippocampus
C. frontal lobe
D. hypothalamus
Answer: | D |
What is any nonmetallic, inorganic solid that is strong enough for use in structural applications called?
A. tissue
B. glass
C. ceramic
D. metallic
Answer: | C |
What is the outer layer of the sun made up of?
A. plasma
B. nitrogen
C. oxygen
D. gas
Answer: | A |
Viruses may damage or kill cells by causing the release of hydrolytic enzymes from where?
A. lysosomes
B. glands
C. lipids
D. capillaries
Answer: | A |
Species that have diverged from their common ancestors have greater differences in what?
A. cell structure
B. immunology
C. dna sequence
D. life span
Answer: | C |
In a fuel cell, energy is not stored; electrical energy is provided by what?
A. fusion reaction
B. consumption reaction
C. carbon reaction
D. chemical reaction
Answer: | D |
What substance comes toward earth's crust through mantle plumes?
A. water
B. rocks
C. magma
D. gas
Answer: | C |
A plant is composed of two main types of tissue: meristematic tissue and what other kind of tissue?
A. synovial tissue
B. muscle tissue
C. nonvascular tissue
D. permanent tissue
Answer: | D |
The smallest and lightest alcohols (methanol, ethanol, propanol) are completely soluble in?
A. oil
B. water
C. gasoline
D. argon
Answer: | B |
In which stage do chromosomes line up one on top of each other along the middle of the cell, similar to how they line up in mitosis?
A. metaphase ii
B. hectase ii
C. chromosome ii
D. cyclohexane ii
Answer: | A |
If the frequency of the electromagnetic wave is the same as the natural frequencies of the system, the transfer of what is much more efficient?
A. light
B. heat
C. sound
D. energy
Answer: | D |
When are nutrients absorbed into the body?
A. before digestion
B. after excretion
C. after digestion
D. during digestion
Answer: | D |
What happens to the length of the days in the fall?
A. they stay the same
B. they change randomly
C. they get longer
D. they get shorter
Answer: | D |
Of the nine classes of vertebrates, how many are fish?
A. four
B. one
C. five
D. three
Answer: | C |
After fertilization is complete, no other sperm can enter. the fertilized ovule forms the seed, whereas the tissues of the ovary become this?
A. vegetables
B. plant
C. fruit
D. wheat
Answer: | C |
What is a fluid-filled body cavity that is completely enclosed by mesoderm called?
A. pseudocoelom
B. hymenium
C. choroid
D. coelom
Answer: | D |
Which is the least massive outer planet?
A. mars
B. venus
C. uranus
D. jupiter
Answer: | C |
The nervous system is characterized by electrical signals that are sent from one area to another. whether those areas are close or very far apart, the signal must travel along this?
A. hairs
B. axial
C. axon
D. tendons
Answer: | C |
What occurs when light reflects off a very smooth surface and forms a clear image?
A. regular reflection
B. projection
C. absorption
D. refraction
Answer: | A |
The head of the sperm contains what, which holds the chromosomes?
A. eggs
B. nerve cells
C. nucleus
D. fiber
Answer: | C |
What system is responsible for defending your body against sickness?
A. immune system
B. digestion system
C. circulatory system
D. nervous system
Answer: | A |
What effect occurs when a few individuals start, or found, a new population?
A. pioneer
B. convergent
C. divergent
D. founder
Answer: | D |
Each kidney is supplied by a renal artery and what else?
A. renal vein
B. brain vein
C. spinal cord
D. coronary artery
Answer: | A |
What cell structures capture light energy from the sun and use it with water and carbon dioxide to produce sugars for food?
A. chloroplasts
B. fibroblasts
C. nuclei
D. ribosomes
Answer: | A |
What is released when catabolic pathways break down complex molecules?
A. energy
B. food
C. oxygen
D. hydrogen
Answer: | A |
Mass and volume are examples of what kind of properties?
A. varied properties
B. extensive properties
C. exclusive properties
D. dynamic properties
Answer: | B |
What technique is used by insects and birds to find food, mates, and safety from predators?
A. sleeping
B. flying
C. playing
D. mating
Answer: | B |
What property of food is determined by burning the food and measuring the heat released?
A. calories
B. nutrients
C. additives
D. acidity
Answer: | A |
What simple machine works with a wheel and axle in a wheelbarrow?
A. lever
B. hammer
C. pulley
D. blade
Answer: | A |
What type of joint has the greatest range of motion?
A. Pivot
B. Gliding
C. ball-and-socket
D. Hinge
Answer: | C |
What is the movement of molecules from an area of high concentration of the molecules to an area with a lower concentration?
A. diffusion
B. secretion
C. absorption
D. condensation
Answer: | A |
Light-weight air-filled bones and a large four-chambered heart helps a bird do what?
A. digest
B. swim
C. fly
D. run
Answer: | C |
The myod protein deserves its designation as a master regulatory what?
A. hormone
B. enzyme
C. protein
D. gene
Answer: | D |
When flagellated sperm must swim to the egg, sexual reproduction requires the presence of what substance?
A. water
B. air
C. sunshine
D. nitrogen
Answer: | A |
What consists of these five stages: prophase, prometaphase, metaphase, anaphase, and telophase?
A. germination
B. meiosis
C. evolution
D. mitosis
Answer: | D |
What is the name of the muscle at the end of the esophagus?
A. sphincter
B. neck
C. intestine
D. throat
Answer: | A |
What do you call the high and low points of transverse waves?
A. crests and troughs
B. echos and troughs
C. waves and troughs
D. bands and troughs
Answer: | A |
For each initial glucose molecules, two pyruvate molecules will enter where?
A. the plasma
B. the mitochondria
C. the nucleus
D. Golgi apparatus
Answer: | B |
Through which artery does blood enter the kidneys?
A. jugular
B. cerebral artery
C. thoracic artery
D. renal artery
Answer: | D |
Where do radio waves lie on the electromagnetic spectrum?
A. far left
B. far right
C. top
D. middle
Answer: | A |
What links the trophic levels from producers to top carnivores?
A. ecosystems
B. food chains
C. environments
D. fuel chains
Answer: | B |
The waste of cows releases a lot of which type of gas?
A. oxygen
B. methane
C. sulphur
D. carbon dioxide
Answer: | B |
What allows giraffes to reach leaves that other ground animals cannot?
A. camouflage pattern
B. long horns
C. long necks
D. long tongue
Answer: | C |
Chemical formulas for ionic compounds are called what?
A. velocity formulas
B. ionic formulas
C. electronic formulas
D. magnetic formulas
Answer: | B |
What term is used to describe the full range of electromagnetic waves?
A. electromagnetic series
B. electromagnetic spectrum
C. mechanical spectrum
D. electromagnetic scale
Answer: | B |
How many lobes is each hemisphere of the cerebrum divided into?
A. 2
B. 5
C. 4
D. 9
Answer: | C |
Varicose veins are veins that become enlarged because the valves no longer do this?
A. enlarge properly
B. close properly
C. open properly
D. shrink properly
Answer: | B |
Liquids with strong intermolecular forces have higher what than liquids with weaker forces?
A. freezing point
B. surface tension
C. temperature
D. melting point
Answer: | B |
What kind of volcanoes often form along divergent plate boundaries?
A. composite
B. dome
C. shield
D. crest
Answer: | C |
An element symbol without a charge written next to it is assumed to be what?
A. uncharged atom
B. corroborate atom
C. dead atom
D. surfactants atom
Answer: | A |
What is the fundamental unit of structure and function in all living organisms?
A. the backbone
B. the cell
C. the spinal cord
D. the vessels
Answer: | B |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.