prompt
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What layer is below the lithosphere and in the upper mantle?
A. troposphere
B. magnetosphere
C. hydrosphere
D. asthenosphere
Answer:
|
D
|
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|
What are lipopolysaccharide components of the outer membrane of gram-negative bacteria?
A. pathogens
B. endotoxins
C. reactants
D. hormones
Answer:
|
B
|
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|
In aquatic communities, the main producers are photosynthetic protists and what?
A. prokaryotes
B. crustaceans
C. eukaryotes
D. arthropods
Answer:
|
A
|
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|
How does the liquid in a thermometer respond to heat or cold?
A. expands or contracts
B. disappears
C. rises or vaporizes
D. freezes or boils
Answer:
|
A
|
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|
In most fish, where does the embryo develop in relation to the mother's body?
A. water
B. inside
C. outside
D. Eggs
Answer:
|
C
|
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|
What is the name of the life stage when a child becomes sexually mature?
A. adolescence
B. maturity
C. puberty
D. adulthood
Answer:
|
C
|
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|
Cytokinesis divides what part of the cell into two distinctive cells?
A. cell wall
B. cytoplasm
C. DNA
D. nucleus
Answer:
|
B
|
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|
What is it called when a liquid displays more attraction between the liquid particles than attraction between the liquid and the glass?
A. cohesion
B. flexion
C. stability
D. tension
Answer:
|
A
|
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|
In what type of mining must tunnels be blasted into the rock so that miners and equipment can get to the ore?
A. underground mining
B. open-pit mining
C. gold mining
D. strip mining
Answer:
|
A
|
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|
What kind of energy is released when the thermochemical reaction of a campfire converts wood to carbon dioxide and water?
A. light
B. smoke
C. heat
D. ultraviolet
Answer:
|
C
|
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Like the mitochondria, chloroplasts have their own dna and ribosomes, but chloroplasts have an entirely different function. chloroplasts are plant cell organelles that carry out what?
A. growth
B. photosynthesis
C. reproduction
D. digestion
Answer:
|
B
|
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|
While normal light microscopes can magnify objects up to about 1,500 times, what advanced instruments can magnify objects up to 1,000,000 times?
A. electron microscopes
B. magnetic microscopes
C. micro microscopes
D. electric microscopes
Answer:
|
A
|
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|
What kind of energy does pyruvate have a lot of?
A. gravitational
B. thermal
C. chemical
D. nuclear
Answer:
|
C
|
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|
What type of landscape has grasslands with scattered trees, are hot and have extensive dry seasons along with fire?
A. arctic
B. tundra
C. savannas
D. deserts
Answer:
|
C
|
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|
What may be lost when waves travel through matter, but not when they travel through space?
A. threshold
B. frequency
C. matter
D. energy
Answer:
|
D
|
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|
Where does mechanical digestion begin?
A. intestines
B. stomach
C. brain
D. mouth
Answer:
|
D
|
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|
How does the sun generate energy?
A. matter multiplication
B. certain fusion
C. nuclear fusion
D. atomic division
Answer:
|
C
|
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|
What stored form of energy is made up of glycerol and three fatty acid chains?
A. particulates
B. carbohydrates
C. hydrocarbons
D. triglycerides
Answer:
|
D
|
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|
What do jellyfish give off to startle possible predators?
A. plankton
B. energy
C. light
D. electricity
Answer:
|
C
|
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|
What is an example of a metaloid element?
A. argon
B. silicon
C. chlorine
D. fluorine
Answer:
|
B
|
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|
Scientists use a quantity called __________ as a measure of disorder, or randomness.
A. motion
B. chance level
C. entropy
D. vector count
Answer:
|
C
|
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|
Niche refers to the role a species plays in what?
A. reproduction
B. migration
C. the ecosystem
D. the habitat
Answer:
|
C
|
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|
An irreversible increase in size is known as?
A. strength
B. growth
C. mass
D. volume
Answer:
|
B
|
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|
Bacterial contamination of foods can lead to digestive problems, an illness known as what?
A. food poisoning
B. headache
C. ulcers
D. acid reflux
Answer:
|
A
|
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|
All combustion reactions are what type of reactions?
A. exothermic
B. reversible
C. geothermal
D. flammable
Answer:
|
A
|
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|
What produces microspores that develop into pollen grains containing male gametophytes?
A. stamens
B. stems
C. petals
D. leaves
Answer:
|
A
|
sciq
|
When a star's core collapses inward while the outer layers spread and cool, what "colorful" celestial body forms?
A. white giant
B. blue giant
C. red giant
D. green giant
Answer:
|
C
|
sciq
|
Timber, obtained from trees that can be replanted to replace those that are cut down, is an example of what type of resource?
A. mineral
B. renewable
C. nonrenewable
D. fossil fuel
Answer:
|
B
|
sciq
|
What type of blood does the right side of the heart collect and then pump to the lungs?
A. oxygen-rich blood
B. nitrogen-rich blood
C. nitrogen-poor blood
D. oxygen-poor blood
Answer:
|
D
|
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|
What elements have the highest attraction for electrons?
A. carbons
B. gases
C. metals
D. nonmetals
Answer:
|
D
|
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|
What is the layman's term for mammals raising their hair with tiny muscles in the skin, something that is automatic in humans sensing cold?
A. follicles
B. goosebumps
C. hypothermia
D. spine tingling
Answer:
|
B
|
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|
What are ring-shaped hydrocarbons called?
A. cyclic hydrocarbons
B. reverse hydrocarbons
C. cylindrical hydrocarbons
D. curved hydrocarbons
Answer:
|
A
|
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|
What increases in processes in which solid or liquid reactants form gaseous products and when solid reactants form liquid products?
A. respiration
B. entropy
C. glucose
D. evaporation
Answer:
|
B
|
sciq
|
How many pairs of legs do arachnids have?
A. 6
B. 8
C. ten
D. 4
Answer:
|
D
|
sciq
|
Besides the uppermost mantle, what else is the lithosphere composed of?
A. outer core
B. surface
C. crust
D. inner core
Answer:
|
C
|
sciq
|
What is another term for dry ice?
A. carbonated ice
B. liquid nitrogen
C. ice crystals
D. solid carbon dioxide
Answer:
|
D
|
sciq
|
Name the process that produces many copies of a certain gene.
A. gene addition
B. gene diversion
C. gene multiplication
D. gene cloning
Answer:
|
D
|
sciq
|
Rupture or blockage of arteries in the head is the usual cause of what condition?
A. migraine headache
B. heart disease
C. stroke
D. heart attack
Answer:
|
C
|
sciq
|
What type of lines run next to each other?
A. contour lines
B. fault lines
C. crater lines
D. perpendicular lines
Answer:
|
A
|
sciq
|
What type of light sensing organs do scaophopoda have?
A. radula
B. cilia
C. setae
D. antennae
Answer:
|
A
|
sciq
|
What kind of cleavage do mammalian eggs exhibit?
A. spicule
B. cocklebur
C. Meroblastic
D. holoblastic
Answer:
|
D
|
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|
What is the name of the process for delivering water to crops?
A. irrigation
B. drainage
C. reclamation
D. bilge
Answer:
|
A
|
sciq
|
What is the process in which a liquid boils and changes to a gas?
A. vaporization
B. freezing
C. melting
D. sublimation
Answer:
|
A
|
sciq
|
What are the two most common common ways that brain and spinal cord injuries occur?
A. car crashes and athletic activities
B. sports and household accidents
C. car crashes and falls
D. falls and surgical error
Answer:
|
A
|
sciq
|
What is the largest planet in the solar system?
A. pluto
B. saturn
C. jupiter
D. mars
Answer:
|
C
|
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|
What are elements required in very small amounts?
A. micronutrients
B. macronutrients
C. minerals
D. pollutants
Answer:
|
A
|
sciq
|
What can be calculated by multiplying an object’s mass in kilograms (kg) by its velocity in meters per second (m/s)?
A. ground speed
B. energy
C. momentum
D. height
Answer:
|
C
|
sciq
|
What will happen to a rock when it's under tremendous stress?
A. it will slow
B. it will fracture
C. it will rebound
D. it will solidify
Answer:
|
B
|
sciq
|
Very large stars eventually become what extremely dense space regions, which are so dense that no light can escape from them?
A. black holes
B. dark matter
C. worm holes
D. moons
Answer:
|
A
|
sciq
|
Which theory suggests plant species richness increases with island size?
A. island equilibrium model
B. island ecosystem model
C. island symbolic model
D. island biology model
Answer:
|
A
|
sciq
|
What state of hydrogen can be predicted based on the atoms to which it is bonded?
A. evaporation
B. condensation
C. precipitation
D. oxidation
Answer:
|
D
|
sciq
|
What occurs when there is little to no rain in a period of time?
A. floods
B. pollution
C. droughts
D. hurricanes
Answer:
|
C
|
sciq
|
At any specific time, the rate at which a reaction is proceeding is known as its what?
A. instantaneous rate
B. spontaneous rate
C. emitted rate
D. immediate rate
Answer:
|
A
|
sciq
|
The skin is a familiar organ made of what kind of tissue?
A. recurrent tissue
B. innate tissue
C. epithelial tissue
D. aberrant tissue
Answer:
|
C
|
sciq
|
Evolution that occurs over a short period of time is known as what?
A. relatedness
B. short term evolution
C. pseudoevolution
D. microevolution
Answer:
|
D
|
sciq
|
What do osteoblasts secrete that mineralizes to become bone matrix?
A. calcium
B. spongin
C. collagen
D. carbon
Answer:
|
C
|
sciq
|
Atoms that have gained electrons and become negatively charged are called what?
A. negative ions
B. negative atoms
C. cations
D. anions
Answer:
|
A
|
sciq
|
Snakes are which type of animal?
A. vegivors
B. herbivorous
C. omnivores
D. carnivorous
Answer:
|
D
|
sciq
|
Cancer occurs most often in adults over what age?
A. seventy
B. fifty
C. twenty
D. thirty
Answer:
|
B
|
sciq
|
Mammals are either herbivores, carnivores or what?
A. vegetarians
B. omnivores
C. decomposers
D. nematodes
Answer:
|
B
|
sciq
|
What paired human organs play a vital role in maintaining homeostasis?
A. kidneys
B. ears
C. lungs
D. eyes
Answer:
|
A
|
sciq
|
What is the process in which glucose is made using energy in light called?
A. photosynthesis
B. gluconeogenesis
C. photogenesis
D. glucosynthesis
Answer:
|
A
|
sciq
|
What zone is outside the radiative zone?
A. convection zone
B. peripheral zone
C. diffusion zone
D. activation zone
Answer:
|
A
|
sciq
|
What do you call the temperature at which a liquid boils and starts changing to a gas?
A. vapor point
B. transformation point
C. melting point
D. boiling point
Answer:
|
D
|
sciq
|
The distinctive appearance of what tissue is due to polysaccharides called chondroitin sulfates?
A. cartilage
B. bone
C. membrane
D. collagen
Answer:
|
A
|
sciq
|
In the humid subtropical climate, summers are ____ but winters are very cold.
A. dry
B. wet
C. long
D. windy
Answer:
|
B
|
sciq
|
What are found primarily in lines around the edges of some continents?
A. Reefs
B. glaciers
C. earthquakes
D. volcanoes
Answer:
|
C
|
sciq
|
What is another name for trisomy 21?
A. Tay-Sachs Disease
B. cystic fibrosis
C. down syndrome
D. Fragile X
Answer:
|
C
|
sciq
|
Which part of the brain regulates the rate of breathing?
A. brain stem
B. brain stem
C. brain uptake
D. brain charge
Answer:
|
A
|
sciq
|
Light with the longest wavelengths is called what?
A. visible light
B. X-rays
C. UV light
D. infrared light
Answer:
|
D
|
sciq
|
Which gas do people exhale during each breath?
A. carbon dioxide
B. oxygen
C. carbon monoxide
D. nitrogen
Answer:
|
A
|
sciq
|
Nonvascular plants such as liverworts, hornworts, and mosses lack what three typical plant features?
A. flowers, leaves, bark
B. roots, leaves, chloroplasts
C. roots, stems, leaves
D. chloroplasts, stems, flowers
Answer:
|
C
|
sciq
|
Much of the iron produced is refined and converted into what?
A. steel
B. wood
C. sugar
D. plastic
Answer:
|
A
|
sciq
|
What can be formed by converging light rays behind a lens, onto a piece of film?
A. a mirror
B. a photograph
C. a prism
D. a kaleidoscope
Answer:
|
B
|
sciq
|
What is the star-like structure inside the paramecia?
A. the baré vacuole
B. the reflex vacuole
C. the elongated vacuole
D. the contractile vacuole
Answer:
|
D
|
sciq
|
What is the study of the chemical elements necessary for plant growth called?
A. plant propagation
B. phototropism
C. plant nutrition
D. photosynthesis
Answer:
|
C
|
sciq
|
Both alpha and beta decay change the number of what in an atom's nucleus?
A. Gamma decay
B. electrons
C. neutrons
D. protons
Answer:
|
D
|
sciq
|
What types of living things are divided into nonvascular and vascular groupings?
A. mammals
B. animals
C. plants
D. organs
Answer:
|
C
|
sciq
|
What can exposure to chemical or biological agents cause later in life?
A. spontaneous mutation
B. regression
C. adaptation
D. an acquired immunodeficiency
Answer:
|
D
|
sciq
|
What direction are sediments deposited?
A. horizontally
B. diagonally
C. magnetic poles
D. vertically
Answer:
|
A
|
sciq
|
When the air temperature reaches the dew point, water vapor starts to do what?
A. condense
B. dissipate
C. germinate
D. evaporate
Answer:
|
A
|
sciq
|
What do you call the metal elements listed below the periodic table?
A. shift metals
B. process metals
C. transition metals
D. rare metals
Answer:
|
C
|
sciq
|
Each silicon atom shares how many valence electrons with other silicon atoms in a crystal?
A. three
B. four
C. ten
D. five
Answer:
|
B
|
sciq
|
What is produced by the reaction of metal oxide with water?
A. heat energy
B. hydrogen gas
C. rust
D. soluble metal hydroxides
Answer:
|
D
|
sciq
|
Which type of weathering causes changes int he rocks materials, chemical or mechanical?
A. chemical
B. nuclear
C. mineral
D. liquid
Answer:
|
A
|
sciq
|
What type of rocks form from sediments that are cemented and compacted?
A. limestone
B. sedimentary
C. crystalline
D. granite
Answer:
|
B
|
sciq
|
What is the common term for solid carbon dioxide, which is used as a coolant?
A. blue ice
B. dry ice
C. liquid nitrogen
D. antifreeze
Answer:
|
B
|
sciq
|
What is the most common type of joint in the human body?
A. transverse joints
B. proximal joints
C. dorsal joints
D. movable joints
Answer:
|
D
|
sciq
|
What kind of relationship exists between living things that depend on the same resources?
A. parasitic
B. symbiotic
C. antagonistic
D. competition
Answer:
|
D
|
sciq
|
Latitude plays an important role in determining what in a region?
A. migration
B. climate
C. drought
D. landscape
Answer:
|
B
|
sciq
|
A very small artery that leads to a capillary is known as what?
A. vein
B. arteriole
C. capillary junction
D. arterium
Answer:
|
B
|
sciq
|
What kind of systems use fluid to transmit pressure and increase force?
A. thermal systems
B. electromagnetic systems
C. plumbing systems
D. hydraulic systems
Answer:
|
D
|
sciq
|
What organ interprets what our sensory organs sense?
A. brain
B. nerves
C. thyroid
D. lungs
Answer:
|
A
|
sciq
|
Gametes are products through meiosis in which organs?
A. cones
B. hormones
C. kidneys
D. gonads
Answer:
|
D
|
sciq
|
Haumea, which is the third brightest kuiper belt object has an odd oval shape which is probably caused by what?
A. Slow rotation
B. extremely rapid rotation
C. unusually rapid rotation
D. particularly rapid rotation
Answer:
|
B
|
sciq
|
A changing magnetic field produces an electric current in what?
A. a conductor
B. matter
C. substance
D. organ
Answer:
|
A
|
sciq
|
What do plants do to prevent water loss at night?
A. close their stems
B. close their leaves
C. shed their petals
D. open their petals
Answer:
|
B
|
sciq
|
What term describes a colloidal dispersion of a liquid in either a liquid or a solid?
A. emulsion
B. mix
C. compound
D. suspension
Answer:
|
A
|
sciq
|
What evidence is there that mt. everest was once at the bottom of a sea?
A. skulls
B. fossils
C. glaciers
D. corals
Answer:
|
B
|
sciq
|
Because atoms have equal numbers of positive protons and negative electrons, what kind of electric charge do they possess?
A. neutral
B. positive
C. negative
D. none
Answer:
|
A
|
sciq
|
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