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stringlengths 51
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Each atom has a required number of what?
A. covalent bonds
B. acceleration bonds
C. accretion bonds
D. matrix bonds
Answer:
|
A
|
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|
When the volume of a gas is decreased, what happens to its pressure?
A. LOWERS
B. drops
C. STAYS THE SAME
D. increases
Answer:
|
D
|
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|
Exposure to what causes skin color to darken?
A. heat
B. pressure
C. sunlight
D. hormones
Answer:
|
C
|
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|
What colorful phenomenon occurs in the northern sky when particles from the sun energize ions in the thermosphere?
A. aurora nervosa
B. Coriolis effect
C. meteor shower
D. northern lights
Answer:
|
D
|
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|
By what processes does the ocean modify landforms?
A. sweeping and deposition
B. erosion and deposition
C. shape and deposition
D. splash and deposition
Answer:
|
B
|
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|
The term “vapor” refers to the gas phase when it exists at a temperature below what?
A. liquid temperature
B. freezing temperature
C. contaminated temperature
D. boiling temperature
Answer:
|
D
|
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|
Hypertension, or high blood pressure, can increase the risk of what?
A. bone disease
B. abnormal disease
C. cardiovascular disease
D. physiological disease
Answer:
|
C
|
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|
The carbon atoms are bonded together, with each carbon also being bonded to two of what kind of atoms?
A. calcium
B. helium
C. ions
D. hydrogen
Answer:
|
D
|
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|
What is the final stage of cell division in eukaryotes as well as prokaryotes?
A. electrolysis
B. cytokinesis
C. anaphase
D. mitosis
Answer:
|
B
|
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|
The metacarpophalangeal joints in the finger are examples of what kind of joints?
A. hinge
B. fibrous
C. saddle
D. condyloid
Answer:
|
D
|
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|
What is idefined as the mass of a substance divided by its volume?
A. height
B. length
C. weight
D. density
Answer:
|
D
|
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|
What does the kyoto protocol focus on controlling?
A. Ozone emissions
B. carbonate gas emissions
C. Helium emissions
D. greenhouse gas emissions
Answer:
|
D
|
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|
A van de graff generator produces what type of charge on its dome, causing the tendency to give up electrons?
A. similar charge
B. positive charge
C. negative charge
D. no charge
Answer:
|
C
|
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|
What forms the small holes found in bread?
A. oxygen
B. carbon dioxide gas
C. yeast
D. carbon monoxide gas
Answer:
|
B
|
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|
In order to conduct what, electrons must move from the filled valence band to the empty conduction band where they can move throughout the solid?
A. electricity
B. matter
C. heat
D. light
Answer:
|
A
|
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|
Conductive losses in the middle ear can be partially overcome by sending sound vibrations to what structure through the skull, the principle behind implants for hearing loss patients?
A. cornea
B. hammer and anvil
C. tympanic membrane
D. cochlea
Answer:
|
D
|
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|
What is the term for the fast-moving air currents high in the troposphere?
A. gale force winds
B. global winds
C. ocean streams
D. jet streams
Answer:
|
D
|
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|
Vibrating electric and magnetic fields make up what kinds of waves?
A. eletrical
B. seismic
C. mechanical
D. electromagnetic
Answer:
|
D
|
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|
What do you call the regular changes in biology or behavior that occur in a 24-hour cycle?
A. sleep rhythms
B. circadian rhythms
C. variable rhythms
D. cognitive rhythms
Answer:
|
B
|
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|
The electric and magnetic fields are closely related and propagate as what?
A. electromagnetic wave
B. thermal energy
C. sound wave
D. mechanical wave
Answer:
|
A
|
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|
What do you get by multiplying volume by the density of water?
A. temperature of water
B. mass of water
C. weight of water
D. velocity of water
Answer:
|
B
|
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|
Plant-like protists are autotrophs capable of what process?
A. microevolution
B. photosynthesis
C. regeneration
D. sexual reproduction
Answer:
|
B
|
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|
What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy?
A. physical
B. electrical
C. heat
D. potential
Answer:
|
B
|
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|
When performing anaerobic exercise, your muscles work against what?
A. inertia
B. resistance
C. momentum
D. gravity
Answer:
|
B
|
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|
What type of doctor specializes in the laboratory detection of disease?
A. internist
B. diagnostician
C. pathologist
D. infectious disease physician
Answer:
|
C
|
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|
The smallest unit of structure and function in all living organisms is what?
A. cell
B. mineral
C. particle
D. compound
Answer:
|
A
|
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|
Bilaterally symmetrical animals have both dorsal and what type of sides?
A. anterior
B. exterior
C. posterior
D. ventral
Answer:
|
D
|
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|
Which state of matter is not common on earth?
A. liquid
B. respiration
C. plasma
D. gas
Answer:
|
C
|
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|
Which system of the body is responsible for bringing air into the body?
A. excretory system
B. vascular system
C. digestive system
D. respiratory system
Answer:
|
D
|
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|
The photoreceptive cells of the eye, where transduction of light to nervous impulses occurs, are located in this?
A. cornea
B. retina
C. sclera
D. pupil
Answer:
|
B
|
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|
E. coli need what kind of acids to survive?
A. bacterial
B. boric
C. amino
D. hydrochloric
Answer:
|
C
|
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|
Elements are defined by their atomic number, a number that describes the amount of what in the element?
A. neutrons
B. electrons
C. protons
D. bonds
Answer:
|
C
|
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|
What laboratory instrument is used to analyze and test for static charge?
A. microscope
B. bunsen burner
C. electroscope
D. microtome
Answer:
|
C
|
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|
Through a succession of mitotic cell divisions, what gives rise to a large number of cells?
A. cytoplasm
B. air
C. zygote
D. condensation
Answer:
|
C
|
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|
Contour tillage helps slow water run-off and what process that causes topsoil loss?
A. plate tectonics
B. soil erosion
C. ice shelf erosion
D. water erosion
Answer:
|
B
|
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|
In a scientific experiment, the variable that is affected by the other one is called what?
A. dependent variable
B. effective variable
C. independent variable
D. essential variable
Answer:
|
A
|
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|
Cells must also be able to separate their relatively stable interior from what?
A. their habitat
B. the external environment
C. competition and chaos
D. predators
Answer:
|
B
|
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|
For any given species, what term means the maximum population that can be supported by the environment?
A. mass extinction
B. tipping point
C. carrying capacity
D. zero population growth
Answer:
|
C
|
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|
With an increased understanding of gene regulation and gene function, medicines can be designed to specifically target diseased cells without harming these?
A. healthy cells
B. pathogens
C. stem cells
D. hosts
Answer:
|
A
|
sciq
|
The rate of a reaction can be expressed either in terms of the decrease in the amount of what or the increase in the amount of a product per unit time?
A. sulfate
B. reactant
C. isotope
D. plasma
Answer:
|
B
|
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|
What do molecules need to do for a reaction to take place?
A. explode
B. collide
C. separate
D. melt
Answer:
|
B
|
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|
What is the term for the change in temperature with distance?
A. distance gradient
B. temperature volatility
C. heat gradient
D. temperature gradient
Answer:
|
D
|
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|
How many classes of biochemical compounds are there?
A. four
B. one
C. five
D. three
Answer:
|
A
|
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|
The fact that all animals have certain traits in common shows that they share what?
A. a common planet
B. a common ancestor
C. a common gene
D. a common brain
Answer:
|
B
|
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|
Organisms that live in freshwater environments often possess a contractile vacuole that prevents cells from taking in too much water through what process?
A. glycolysis
B. electrolysis
C. hemostasis
D. osmosis
Answer:
|
D
|
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|
What is the condition in which the thyroid gland is overactive is known as?
A. hypothyroidism
B. hyperthyroidism
C. susceptibility
D. hepatic
Answer:
|
B
|
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|
Where do amphibians lay their eggs?
A. in caves
B. on land
C. in water
D. in airborne nests
Answer:
|
C
|
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|
The food particles are caught by the collar of the choanocyte and brought into the cell by what process?
A. cellular respiration
B. phototropism
C. phagocytosis
D. hippocampus
Answer:
|
C
|
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|
In seedless vascular plants such as ferns, the sporophyte releases spores from the undersides of what basic plant structures?
A. roots
B. fruits
C. stems
D. leaves
Answer:
|
D
|
sciq
|
There are two basic body plans in cnidarians which are called the polyp and what else?
A. hydra
B. medusa
C. spore
D. stoma
Answer:
|
B
|
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|
In science, what is a bit of information that is true?
A. falsehood
B. theory
C. lie
D. a fact
Answer:
|
D
|
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|
What kind of potentially harmful compounds can barbecuing food create?
A. mutagens
B. triglycerides
C. carcinogens
D. enzymes
Answer:
|
C
|
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|
Change in what equals the average net external force multiplied by the time this force acts?
A. momentum
B. lag
C. rate
D. height
Answer:
|
A
|
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|
What type of mammals are characterized by detailed development of the hands and feet, a shortened snout, and a large brain?
A. mammles
B. amphibians
C. primates
D. apes
Answer:
|
C
|
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|
What process allows an individual to develop from a single cell into an organism with trillions of cells?
A. Cell multiplication
B. cell function
C. cell division
D. cell transition
Answer:
|
C
|
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|
What do you call the membrane-bounded droplets that have some properties of cells?
A. rods
B. membranes.
C. protocells
D. sporozoans
Answer:
|
C
|
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|
Bees are naturalized on every continent except which?
A. Australia
B. antarctica
C. Africa
D. North America
Answer:
|
B
|
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|
In arthropods, coxal glands and malphigian tubules perform what role?
A. reproduction
B. ingestion
C. excretion
D. photosynthesis
Answer:
|
C
|
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|
What is the ultimate source of energy for all life on earth?
A. the moon
B. Mars
C. its core
D. the sun
Answer:
|
D
|
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|
What do you call compounds whose properties are different because their atoms are bonded together in different arrangements?
A. mixtures
B. isomers
C. isotopes
D. ionic compounds
Answer:
|
B
|
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|
What celestial object has been visited by manned spacecraft and is easily seen from earth?
A. the Sun
B. moon
C. venus
D. Jupiter
Answer:
|
B
|
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|
What do you call a condition caused by mutations in one or more genes?
A. mutation disorder
B. genetic disorder
C. intrinsic disorder
D. evolutionary disorder
Answer:
|
B
|
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|
What is the common term for erythrocytesare, specialized cells that circulate delivering oxygen to cells and are formed from stem cells in the bone marrow?
A. plateletes
B. monocytes
C. white blood cells
D. red blood cells
Answer:
|
D
|
sciq
|
When do glaciers deposit their sediment?
A. when they form
B. when they melt
C. when they are new
D. when they move
Answer:
|
B
|
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|
One of the earliest air pumps was made by?
A. robert boyle
B. Galileo
C. Isaac Newton
D. Niels Bohr
Answer:
|
A
|
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|
Terrestrial biomes are determined mainly by what?
A. climate
B. landscape
C. element
D. population
Answer:
|
A
|
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|
What are scientists able to determine about stars using emission and absorption spectra?
A. shape
B. composition
C. distance
D. size
Answer:
|
B
|
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|
Scientists search for answers to questions and solutions to problems by using a procedure called this?
A. careful method
B. scientific method
C. continued method
D. measured method
Answer:
|
B
|
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|
What transmits nerve impulses to other cells?
A. ions
B. muscles
C. neurons
D. fats
Answer:
|
C
|
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|
The active transport of ions across the membrane causes an electrical gradient to build up across the what?
A. colloidal membrane
B. cells membrane
C. plasma membrane
D. components membrane
Answer:
|
C
|
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|
What process determines which of two fossils is older or younger than the other?
A. curve dating
B. differential dating
C. relative dating
D. difference dating
Answer:
|
C
|
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|
Under which process do living things with beneficial traits produce more offspring?
A. differentiation
B. migration
C. natural selection
D. evolution
Answer:
|
C
|
sciq
|
Biceps brachii, brachialis, and brachioradialis work to flex what part of the body?
A. leg
B. foot
C. lungs
D. forearm
Answer:
|
D
|
sciq
|
Cancer involves what changes that modify cell-cycle control and alter the growth rate or progression of the cell through the cell cycle?
A. mutations
B. deletions
C. enhancements
D. stabilization
Answer:
|
A
|
sciq
|
Glucose, fructose, and galactose are hexose sugars, which contain six atoms of what element?
A. nitrogen
B. oxygen
C. hydrogen
D. carbon
Answer:
|
D
|
sciq
|
When an action and reaction occur, what is transferred from one object to the other, yet in combination it remains the same?
A. force
B. matter
C. energy
D. momentum
Answer:
|
D
|
sciq
|
Which two planetary bodies have humans walked on?
A. Mars and Jupiter
B. earth and the moon
C. The Sun and Mars
D. Earth and Saturn
Answer:
|
B
|
sciq
|
The pion can only be created by violating the conservation of what?
A. momentum
B. quantum physics
C. mass-energy
D. time-space
Answer:
|
C
|
sciq
|
What are named for their “spiny skin”?
A. echinoderms
B. reptiles
C. amphibians
D. arachnids
Answer:
|
A
|
sciq
|
What is formed when sperm mixes with secretions from the various other glands of the reproductive system?
A. hormone
B. testosterone
C. urine
D. semen
Answer:
|
D
|
sciq
|
Some plants have stolons, or stems, that run along the ground and are commonly called what?
A. stages
B. runners
C. roots
D. shoots
Answer:
|
B
|
sciq
|
Clearing land for agriculture and development is a major cause of what negative result?
A. human destruction
B. water destruction
C. mineral destruction
D. habitat destruction
Answer:
|
D
|
sciq
|
What in the skin dilates, or widens, in order to increase blood flow to the bodys surface?
A. tear ducts
B. pores
C. veins
D. blood vessels
Answer:
|
D
|
sciq
|
What burns to produce the white light in fireworks displays?
A. nitrogen in air
B. helium in air
C. oxygen in air
D. magnesium in air
Answer:
|
D
|
sciq
|
Solids can be divided into amorphous solids and which other group?
A. acrystalline solids
B. morphous solids
C. crystalline solids
D. distinct solids
Answer:
|
C
|
sciq
|
Some earthworms can also reproduce asexually by fragmentation followed by what?
A. fertilization
B. regeneration
C. germination
D. digestion
Answer:
|
B
|
sciq
|
Most crustaceans have separate sexes, so they reproduce sexually using what?
A. pod and eggs
B. eggs and sperm
C. asexual reproduction
D. eggs and pod
Answer:
|
B
|
sciq
|
Visible light is one type of this radiation?
A. neutron
B. Ionizing
C. Gamma
D. electromagnetic
Answer:
|
D
|
sciq
|
Double-replacement reactions generally occur between substances in what kind of solution?
A. solid
B. aqueous
C. saline
D. reactive
Answer:
|
B
|
sciq
|
What happens to the recessive traits in the offspring of a hybridization?
A. they replicate
B. they dominate
C. remain recessive
D. they disappear
Answer:
|
D
|
sciq
|
What is a small, spherical compartment separated by at least one lipid layer from the cytosol?
A. capillary
B. cortex
C. cuticle
D. vesicle
Answer:
|
D
|
sciq
|
What term is used to describe is the increased or decreased speed of movement of an organism in response to a stimulus?
A. brownian motion
B. telekinesis
C. klinokinesis
D. orthokinesis
Answer:
|
D
|
sciq
|
How can natural resources be classified from a human point of view?
A. recyclable or reusable
B. renewable or nonrenewable
C. renewable or reversible
D. present or nonrenewable
Answer:
|
B
|
sciq
|
What are the two types of endoplasmic reticulum?
A. rough & thin
B. thick & smooth
C. rough & smooth
D. rough & thick
Answer:
|
C
|
sciq
|
We know from what type of waves produced by earthquakes that parts of the interior of the earth are liquid?
A. electromagnetic
B. seismic
C. kinetic
D. volcanic
Answer:
|
B
|
sciq
|
Radiocarbon is useful for dating relatively young materials with what element as their base?
A. nitrogen
B. hydrogen
C. oxygen
D. carbon
Answer:
|
D
|
sciq
|
Why are eutherian mammals sometimes called placental mammals?
A. minor placental connection
B. reacts placental connection
C. complex placental connection
D. identical placental connection
Answer:
|
C
|
sciq
|
What is the name for the division of the cytoplasm in eukaryotic cells, resulting in two genetically identical daughter cells?
A. cytokinesis
B. vegetative division
C. mitosis
D. metamorphosis
Answer:
|
A
|
sciq
|
How can you prevent food allergy symptoms?
A. antiviral drugs
B. avoid offending foods
C. antioxidants
D. stem cell therapy
Answer:
|
B
|
sciq
|
Ground tissue forms the interior of the stem. the large central vacuoles of ground tissue cells fill with water to support the plant. the cells may also store what?
A. Water
B. fuel
C. energy
D. food
Answer:
|
D
|
sciq
|
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