prompt
stringlengths 51
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stringclasses 8
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What distinctive configuration of dna demonstrates the base-pairing nature of the bases?
A. single helix
B. triple helix
C. double loop
D. double helix
Answer:
|
D
|
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|
Lipids are broken down by what?
A. lipases
B. triglycerides
C. amino acids
D. hydrolysis
Answer:
|
A
|
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|
What are considered to be the most basic concepts in the field of physical science?
A. force and matter
B. change and energy
C. energy and motion
D. matter and energy
Answer:
|
D
|
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|
What are materials that can be magnetized called?
A. interstitial materials
B. catalytic materials
C. ferromagnetic materials
D. Metal material
Answer:
|
C
|
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|
Toxic compounds in the environment have the most severe impact on animals that are top-level what?
A. vegetarian
B. herbivores
C. carnivores
D. omnivores
Answer:
|
C
|
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|
In genetics, what do you call characteristics that are passed from a parent to child?
A. habits
B. traits
C. mutations
D. similarities
Answer:
|
B
|
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|
One gram of proteins provides how many calories of energy?
A. two
B. zero
C. eight
D. four
Answer:
|
D
|
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|
What kind of succession occurs in an area that has never before been colonized?
A. secondary succession
B. addition succession
C. primary succession
D. support succession
Answer:
|
C
|
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|
A sprain is a strain or tear in what part of the body?
A. stomach
B. skeleton
C. torso
D. a ligament
Answer:
|
D
|
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|
Which gland is located in the sella turcica of the sphenoid bone within the cranial floor?
A. thyroid gland
B. glucose gland
C. pituitary gland
D. mammalian gland
Answer:
|
C
|
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|
What is light that has only a single wavelength called?
A. fluorescent
B. monochromatic
C. primary
D. spectroscopy
Answer:
|
B
|
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|
Combined substances are either compounds or what?
A. mixtures
B. concentrations
C. combinations
D. solutions
Answer:
|
A
|
sciq
|
What are the catalysts that occur naturally in living organisms and are primarily protein molecules?
A. enzymes
B. carbohydrates
C. hormones
D. acids
Answer:
|
A
|
sciq
|
Amino acid units in a protein are connected by what bonds?
A. covalent
B. acidic
C. ionic
D. peptide
Answer:
|
D
|
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|
Magnetism is due to the movement of what within atoms?
A. electrons
B. neutrons
C. magnetrons
D. protons
Answer:
|
A
|
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|
Ground subsidence is a consequences of the overuse of what?
A. chemicals
B. plants
C. topsoil
D. groundwater
Answer:
|
D
|
sciq
|
What organ do most fish have that is used to detect movement and vibration in the surrounding water?
A. nares
B. operculum
C. lateral line
D. eye
Answer:
|
C
|
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|
Excretion is the process of removing excess water and wastes from the body. what are the main organs of excretion?
A. brains
B. lungs
C. eyes
D. kidneys
Answer:
|
D
|
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|
What is caused by the same virus that causes chicken pox?
A. shingles
B. mumps
C. boils
D. blisters
Answer:
|
A
|
sciq
|
Amniotes are animals that produce eggs with membranes possessing what property, which allowed them to lay eggs on land?
A. heavy
B. absorbent
C. hard
D. waterproof
Answer:
|
D
|
sciq
|
When water particles become hot enough to overcome the force of attraction between them, what happens to the water?
A. it boils
B. it evaporates
C. it pools
D. it freezes
Answer:
|
A
|
sciq
|
In mammals, what layer protects the egg?
A. zona pellucida
B. Albumen
C. Germinal Disc
D. Choloza
Answer:
|
A
|
sciq
|
After infecting a host, what inactive state do some viruses enter?
A. immunity
B. potency
C. hibernation
D. latency
Answer:
|
D
|
sciq
|
Changes in the number of what can lead to disorders like down syndrome?
A. dna
B. prokaryotes
C. chromosomes
D. genes
Answer:
|
C
|
sciq
|
What are centrioles made from?
A. short filaments
B. carbon
C. short microtubules
D. short particles
Answer:
|
C
|
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|
What of most species are resistant cells that can survive harsh conditions?
A. subtypes
B. phenotypes
C. gonads
D. zygotes
Answer:
|
D
|
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|
Animals can not produce their own food making them _________.
A. heterotrophs
B. omnivores
C. photoreliant
D. autotrophs
Answer:
|
A
|
sciq
|
In the stomach, which material's arrival triggers churning and the release of gastric juices?
A. acid
B. bile
C. food
D. hair
Answer:
|
C
|
sciq
|
What is the term for seed plants?
A. germospores
B. proteins
C. sporozoans
D. spermatophytes
Answer:
|
D
|
sciq
|
Cnidarians have a simple digestive system with a single opening surrounded by what type of structures, which are used to capture prey?
A. spines
B. antennae
C. claws
D. tentacles
Answer:
|
D
|
sciq
|
What is the state of matter that resembles a gas, but is made of ions, giving it different properties than a typical gas?
A. acid
B. gamma
C. vapor
D. plasma
Answer:
|
D
|
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|
Natural selection for what type of trait changes the distribution of phenotypes?
A. major trait
B. parent trait
C. maladaptive trait
D. polygenic trait
Answer:
|
D
|
sciq
|
Systemic veins return blood low in what to the right atrium?
A. oxygen
B. nitrogen
C. dioxide
D. nutrients
Answer:
|
A
|
sciq
|
The three long muscles on the back of the knee are part of which group?
A. adductors
B. synovial joint
C. patella
D. hamstring group
Answer:
|
D
|
sciq
|
What shapes, supports, and protects the cell?
A. the epithelium
B. the cell wall
C. the chloroplast
D. the mesothelium
Answer:
|
B
|
sciq
|
What process, which results because of great pressure at the center of a star, causes stars to shine?
A. energy fusion
B. electric fusion
C. nuclear fusion
D. gravitational pull
Answer:
|
C
|
sciq
|
What do we call the formation of a gas from a liquid at temperatures below the boiling point?
A. melting
B. steaming
C. evaporation
D. pulverization
Answer:
|
C
|
sciq
|
What is a sugar that is found in fruits?
A. glucose
B. ethanol
C. sucrose
D. fructose
Answer:
|
D
|
sciq
|
What are unsaturated hydrocarbons with at least one triple bond between carbon atoms?
A. ketones
B. amines
C. lipids
D. alkynes
Answer:
|
D
|
sciq
|
Are ecotones wide or narrow?
A. wide
B. narrow
C. somewhere in between
D. can be both
Answer:
|
D
|
sciq
|
Which infection of multicellular eukaryotes is usually limited to particular tissues?
A. parasites
B. viral
C. digestive
D. bacterial
Answer:
|
B
|
sciq
|
What is the term for the breakdown of unstable isotopes into stable elements?
A. secondary decay
B. radioactive decay
C. isotopic decay
D. radioactive decrease
Answer:
|
B
|
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|
What are the light wavelengths that the human eye can detect called?
A. ultraviolet light
B. infrared light
C. apparent light
D. visible light
Answer:
|
D
|
sciq
|
Most of the energy used by living things comes either directly or indirectly from what?
A. plants
B. the moon
C. the sun
D. the soil
Answer:
|
C
|
sciq
|
Population growth is determined by rates of birth, death, immigration, and what else?
A. emigration
B. excitation
C. relaxation
D. exploitation
Answer:
|
A
|
sciq
|
What works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities?
A. characteristic selection
B. artificial selection
C. natural selection
D. same selection
Answer:
|
C
|
sciq
|
Paint keeps oxygen and water from coming into direct contact with the metal, which prevents what?
A. corrosion
B. evaporation
C. heat
D. filtration
Answer:
|
A
|
sciq
|
What type of electrons do all group 14 elements have four of?
A. internal
B. shell
C. second layer
D. valence
Answer:
|
D
|
sciq
|
List the three major types of blood vessels.
A. vessels, tubes, veins
B. arteries,capillaries, veins
C. veins, capillaries, vessels
D. vessels, arteries, capillaries
Answer:
|
B
|
sciq
|
Acetone is the simplest type of what organic compound that involves a carbonyl in which the carbon atom makes single bonds with two other carbon atoms?
A. ketone
B. anion
C. enzyme
D. protein
Answer:
|
A
|
sciq
|
What term is used to describe birds that hunt, eat mammals, and other birds?
A. warriors
B. consumers
C. raptors
D. predators
Answer:
|
C
|
sciq
|
What do you call a compound that contains both an amino group and a carboxyl group in the same molecule?
A. amino acid
B. compound acid
C. catalyst
D. carbolic acid
Answer:
|
A
|
sciq
|
What system consists of structures that produce eggs, secrete female sex hormones, and ultimately enable birth of a fetus?
A. female reproductive system
B. female uterus system
C. male reproductive system
D. female hormone system
Answer:
|
A
|
sciq
|
The medieval catapult has a heavy ballast on one end and what on the other end?
A. propellant
B. projectile
C. fragment
D. pivot
Answer:
|
B
|
sciq
|
What period starts after the baby is born, and the placenta is expelled from the body?
A. postfetal
B. traumatic
C. postpartum
D. fetal
Answer:
|
C
|
sciq
|
What do you call the lightless part of the ocean?
A. Davy Jones' Locker
B. aphotic zone
C. photic zone
D. photoreactive zone
Answer:
|
B
|
sciq
|
The creation of a voltage across a current-carrying conductor by a magnetic field is known as what?
A. newton effect
B. hall effect
C. show effect
D. off effect
Answer:
|
B
|
sciq
|
Pavement cells, large, irregularly shaped parenchymal cells which lack chloroplasts, make up the majority of what?
A. Skin
B. dermis
C. layers
D. epidermis
Answer:
|
D
|
sciq
|
What do convergent plate boundaries with trenches have?
A. geysers
B. volcanoes
C. caves
D. earthquakes
Answer:
|
B
|
sciq
|
Around what percentage of the earth's surface water is contained in the ocean?
A. 97%
B. 99%
C. 92 %
D. 86 %
Answer:
|
A
|
sciq
|
What celestial structure does not give off its own light?
A. meteors
B. the moon
C. the stars
D. asteroids
Answer:
|
B
|
sciq
|
Which rule is a result of trends in energies and is useful in explaining why atoms form the ions that they do?
A. nutron rule
B. coupling rule
C. octet rule
D. electrons rule
Answer:
|
C
|
sciq
|
What is the second most common type of cancer in both men and women?
A. breast
B. skin
C. heart
D. lung
Answer:
|
D
|
sciq
|
What is the main difference between prokaryotic and eukaryotic cells?
A. absence of cytoplasm
B. enlarged mitochondria
C. presence of a nucleus
D. presence of cytoplasm
Answer:
|
C
|
sciq
|
What is a layer of saturated porous rock?
A. an overhang
B. an aquifer
C. a shear
D. a quarry
Answer:
|
B
|
sciq
|
What element, which often forms polymers, has a unique ability to form covalent bonds with many other atoms?
A. carbon
B. hydrogen
C. oxygen
D. iron
Answer:
|
A
|
sciq
|
Early in the development of a human fetus, the skeleton is made entirely of what?
A. membrane
B. cartilage
C. bones
D. anterior
Answer:
|
B
|
sciq
|
What type of disease can be treated by radioactive elements in glucose?
A. genetic disorder
B. cancer
C. infection
D. mutation
Answer:
|
B
|
sciq
|
What theory of gases describes this state of matter as composed of tiny particles in constant motion with a lot of distance between the particles?
A. optical
B. magnetic
C. kinetic
D. thermal
Answer:
|
C
|
sciq
|
When egg laying and mating occur together, as in external fertilization, the certainty of what is high?
A. germination
B. paternity
C. survival
D. high reproduction rate
Answer:
|
B
|
sciq
|
What control reproductive cycles, which are in turn regulated by environmental cues?
A. enzymes
B. hormones
C. brain waves
D. nerve impulses
Answer:
|
B
|
sciq
|
Which gas is responsible for global warming?
A. ozone
B. carbon dioxide
C. oxygen
D. hydrocarbons
Answer:
|
B
|
sciq
|
The short length of what in women is the best explanation for the greater incidence of uti in women?
A. uterus
B. fallopian tube
C. urethra
D. vagina
Answer:
|
C
|
sciq
|
What type of cells are flagella rare in?
A. eukaryotic
B. synthetic
C. intracellular
D. cancer.
Answer:
|
A
|
sciq
|
Solids and liquids are phases of matter that have their own unique what?
A. volumes
B. masses
C. temperatures
D. properties
Answer:
|
D
|
sciq
|
What do many fungi secrete that break down complex molecules to smaller molecules that can be absorbed?
A. enzymes
B. water vapor
C. carbohydrates
D. hormones
Answer:
|
A
|
sciq
|
All three types of convergent plate boundaries produce what destructive phenomenon?
A. tornado
B. storm
C. earthquake
D. volcano
Answer:
|
C
|
sciq
|
How do plants obtain their energy?
A. Sugar Transfer
B. glycolysis
C. photosynthesis
D. HETEROTROPHS
Answer:
|
C
|
sciq
|
The mouth, stomach, esophagus, small intestine, and large intestine are all part of what organ system?
A. lymphatic
B. respiratory
C. muscular
D. digestive
Answer:
|
D
|
sciq
|
An environment in which cells neither sink nor swell is known as what?
A. exothermic environment
B. pressured environment
C. isotonic environment
D. electrolyte environment
Answer:
|
C
|
sciq
|
Particulates from cigarette smoke that enter what structures can cause a permanent reduction in lung capacity?
A. chambers
B. alveoli
C. cells
D. glands
Answer:
|
B
|
sciq
|
Terrestrial arthropods generally have internal surfaces specialized for what?
A. gas exchange
B. protection
C. food gathering
D. water uptake
Answer:
|
A
|
sciq
|
What are the two groups that tripoblastic eucoelomates can be divided into based on early embryonic development differences?
A. odontoblasts and deuterostomes
B. heterodimers and deuterostomes
C. protostomes and eurostomes
D. protostomes and deuterostomes
Answer:
|
D
|
sciq
|
What part of the cell is surrounded by a membrane and holds the genetic information for the cell?
A. upper
B. lower
C. cell wall
D. nucleus
Answer:
|
D
|
sciq
|
What are angiosperms most important function to humans?
A. food
B. gasoline
C. oxygen production
D. water filtration
Answer:
|
A
|
sciq
|
How many atoms are evenly organized around a central atom?
A. five
B. six
C. seven
D. four
Answer:
|
B
|
sciq
|
What are formed by atoms gaining electrons?
A. anions
B. cations
C. oxides
D. ions
Answer:
|
A
|
sciq
|
What type of fish are the majority of living species?
A. ray-finned fish
B. freshwater fish
C. cartilaginous fish
D. lungfish
Answer:
|
A
|
sciq
|
What are the light highlands of the moon called?
A. mariae
B. terrae
C. kepler hills
D. craters
Answer:
|
B
|
sciq
|
The shape of earlobes is an example of what kind of trait, which is influenced by genes and passed along through generations?
A. inherited trait
B. instinct
C. acquired trait
D. genetic disorder
Answer:
|
A
|
sciq
|
Mosses, liverworts, and hornworts are examples of what type of plant in which gametophyte generation is dominant?
A. nonvascular plants
B. photoreactive plants
C. choanocyte plants
D. vascular plants
Answer:
|
A
|
sciq
|
Release of spores in a suitable environment will lead to germination and a new generation of what?
A. gametophytes
B. assemblages
C. seeds
D. filaments
Answer:
|
A
|
sciq
|
Why are living things considered to be renewable?
A. they reproduce
B. they evolve
C. they inherit traits
D. they decompose
Answer:
|
A
|
sciq
|
What is the term for the metabolic reaction where living systems build new molecules?
A. symbolism
B. connectionism
C. metabolism
D. anabolism
Answer:
|
D
|
sciq
|
Name the three types of muscle tissue.
A. cardiac, smooth, long
B. smooth, long, tight
C. skeletal, smooth, cardiac
D. skeletal, cardiac, long
Answer:
|
C
|
sciq
|
Cellular respiration and photosynthesis are important parts of which cycle?
A. vapor cycle
B. water cycle
C. greenhouse effect
D. carbon cycle
Answer:
|
D
|
sciq
|
What are the winds that occur in belts that encircle the planet?
A. new winds
B. global winds
C. galactic winds
D. global rains
Answer:
|
B
|
sciq
|
Human mammary glands can produce what substance, which can be used to feed children?
A. urea
B. edema
C. sperm
D. milk
Answer:
|
D
|
sciq
|
What is a prerequisite for fertilization to take place in plants?
A. photosynthesis
B. germination
C. mitosis
D. pollination
Answer:
|
D
|
sciq
|
Water is allowed to flow downhill into a large turbine to harness power. what helps the turbine spin?
A. electrostatic energy
B. residual energy
C. polar energy
D. kinetic energy
Answer:
|
D
|
sciq
|
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