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What characteristic of particles determines how they are carried by flowing water?
A. texture
B. density
C. size
D. color
Answer:
|
C
|
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|
What term refers to something supplied by nature that helps support life?
A. simple resource
B. free resource
C. existing resource
D. natural resource
Answer:
|
D
|
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|
What is the shape of the orbits that planets make around the sun?
A. conical
B. elliptical
C. elongated
D. variable
Answer:
|
B
|
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|
What are chlamydia, gonorrhea, and syphilis an example of?
A. viral stis
B. genetic diseases
C. metabolic disorders
D. bacterial stis
Answer:
|
D
|
sciq
|
What organism are resistant to freezing and drying and also are metabolically inactive?
A. trichina
B. giardia
C. zygosporangia
D. spirogyra
Answer:
|
C
|
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|
What is produced during a condensation reaction?
A. rain
B. water
C. wind
D. fire
Answer:
|
B
|
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|
What force pulls objects toward the center of the earth?
A. gravity
B. momentum
C. centrifugal force
D. kinetic energy
Answer:
|
A
|
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|
Where are protons and neutrons located?
A. secondary nucleus
B. orbitals
C. central nucleus
D. outside the nucleus
Answer:
|
C
|
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|
What is a measurement of the amount of variation of the species in a given area called?
A. population
B. biodiversity
C. ecosystem
D. degradation
Answer:
|
B
|
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|
Deleting or inserting a nitrogen base causes what?
A. a frameshift mutation
B. a photoinhibition mutation
C. a placentation mutation
D. a degenerative mutation
Answer:
|
A
|
sciq
|
What are the chemical messengers used to communicate between cells?
A. hormones
B. neurons
C. peptides
D. membranes
Answer:
|
A
|
sciq
|
Graphite and diamond both are made from carbon. what makes diamonds so hard?
A. strong light network
B. strong atomic network
C. weak atomic network
D. strong metallic network
Answer:
|
B
|
sciq
|
The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull. all of the sinuses communicate with the nasal cavity (paranasal = “next to nasal cavity”) and are lined with this?
A. nasal mucosa
B. respiration mucosa
C. fluid mucosa
D. oral mucosa
Answer:
|
A
|
sciq
|
What determines the strength of a base when dissolved in water?
A. saline content
B. amount of hydroxide ions produced
C. amount of phosphorus ions produced
D. pH level
Answer:
|
B
|
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|
What is the low level of radiation that occurs naturally in the environment called?
A. consequence radiation
B. temperature radiation
C. background radiation
D. neon radiation
Answer:
|
C
|
sciq
|
Varicella zoster virus causes what two illnesses?
A. german measles and flu
B. flu and shingles
C. syphilis and lyme
D. chicken pox and shingles
Answer:
|
D
|
sciq
|
The urethra transports urine from what organ to the outside of the body for disposal?
A. heart
B. lungs
C. brain
D. bladder
Answer:
|
D
|
sciq
|
Magnetite crystals in lava typically point to what geographic location?
A. geographic north pole
B. the equator
C. magnetic north pole
D. magnetic south pole
Answer:
|
C
|
sciq
|
Liquids that mix with water in all proportions are usually polar substances or substances that form these?
A. atmospheric bonds
B. silicon bonds
C. compressed bonds
D. hydrogen bonds
Answer:
|
D
|
sciq
|
Lattice energy cannot be measured directly. what is its calculation based on?
A. change in temperature
B. chemical reactions
C. microscopic inspection
D. measured energy changes
Answer:
|
D
|
sciq
|
What process provides over 99% of the energy supply for life on earth?
A. Carbon
B. gases
C. photosynthesis
D. nutrients
Answer:
|
C
|
sciq
|
What type of animal are most reptiles in regards to diet?
A. carnivores
B. arthropods
C. omnivores
D. herbivores
Answer:
|
A
|
sciq
|
Because of their reactivity, we do not find most representative metals as free elements where?
A. in nature
B. in the atomospher
C. in water
D. underground
Answer:
|
A
|
sciq
|
Two important concepts, niche and habitat, are associated with what?
A. ecosystem
B. plant
C. natural selection
D. water
Answer:
|
A
|
sciq
|
When does diseases like alzheimer's become more common?
A. old age
B. i-40 age
C. toddler
D. teenager
Answer:
|
A
|
sciq
|
What is a fibrocartilaginous pad that fills the gap between adjacent vertebral bodies?
A. unidirectional disc
B. subsidence disc
C. intervertebral disc
D. Back Disk
Answer:
|
C
|
sciq
|
What organic catalysts work by lowering the activation energy needed to start biochemical reactions?
A. enzymes
B. glucose
C. carbohydrates
D. hormones
Answer:
|
A
|
sciq
|
What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis?
A. cuticle
B. skeleton
C. fossil
D. skin
Answer:
|
B
|
sciq
|
When vertebrate animals metabolize ammonia what is the primary byproduct that is produced?
A. dioxide
B. carbon monoxide
C. proteins
D. urea
Answer:
|
D
|
sciq
|
Which process involves solvent separation on a solid medium?
A. resonance
B. substration
C. chromatography
D. affinity
Answer:
|
C
|
sciq
|
Plasmodesmata and gap junctions are channels between adjacent cells of what respective types?
A. healthy and sick
B. plant and fungus
C. plant and animal
D. new and old
Answer:
|
C
|
sciq
|
Natural gas burns cleaner and produces less carbon dioxide than fuels of what type?
A. biofuels
B. solar energy
C. renewable fuels
D. fossil fuels
Answer:
|
D
|
sciq
|
What are the simplest types of carbon-based compounds?
A. hydrocarbons
B. particles
C. Cells
D. Microbes
Answer:
|
A
|
sciq
|
What process moves food through the esophagus no matter which position the body is in?
A. homeostasis
B. proteolysis
C. peristalsis
D. mastication
Answer:
|
C
|
sciq
|
The female reproductive organs include the ovaries, fallopian tubes, uterus, and what?
A. vagina
B. womb
C. bladder
D. intestines
Answer:
|
A
|
sciq
|
What do offsprings obtain from their parents in what is called, inheritance?
A. characteristics
B. attributes
C. mutations
D. variations
Answer:
|
A
|
sciq
|
Warming up your body before a workout does what to the blood flow?
A. reduces it
B. increases it
C. minimizes it
D. stops it
Answer:
|
B
|
sciq
|
What is a substance that increases the hydrogen ion concentration of a solution?
A. sulfur
B. carbon
C. base
D. acid
Answer:
|
D
|
sciq
|
Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what?
A. hypothesis
B. theories
C. Tests
D. suggests
Answer:
|
A
|
sciq
|
What is the main difference between prokaryotic or eukaryotic cells ?
A. the presence of a Golgi Apparatus
B. the type of metabolic waste
C. the presence of a nucleus
D. the presence of cell walls
Answer:
|
C
|
sciq
|
Supercontinents have formed at least how many times in earth history?
A. nine
B. twenty
C. five
D. two
Answer:
|
C
|
sciq
|
How are layers of the atmosphere divided?
A. color gradients
B. air gradients
C. density gradients
D. temperature gradients
Answer:
|
D
|
sciq
|
What term is used to describe molecules that contain carbon-nitrogen bonds?
A. nitrites
B. amines
C. ions
D. compounds
Answer:
|
B
|
sciq
|
Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into these?
A. alveoli
B. gills
C. anterior air sacs
D. posterior bronchi
Answer:
|
C
|
sciq
|
What are convection currents that occur far below the surface of the ocean called?
A. waves
B. deep currents
C. flat currents
D. subsequent currents
Answer:
|
B
|
sciq
|
Cations are attracted to anions, which are ions with what charge?
A. neutral
B. similar
C. negative
D. positive
Answer:
|
C
|
sciq
|
A non-bony skeleton that forms outside of the body is known as a what?
A. excitoskeleton
B. exoskeleton
C. exoplate
D. endoskeleton
Answer:
|
B
|
sciq
|
The vagina connects to which internal organ?
A. valves
B. artery
C. ovaries
D. uterus
Answer:
|
D
|
sciq
|
What is the measure of electric current?
A. volts
B. intensity
C. ampheres
D. watts
Answer:
|
C
|
sciq
|
Name a passageway that is shared with the digestive system.
A. esophagus
B. trachea
C. larynx
D. pharynx
Answer:
|
D
|
sciq
|
What substances function as a long-term energy store in the human body and possess long carbon chains that prevent dissolving in water?
A. steroids
B. nanoparticles
C. triglycerides
D. hydrocarbons
Answer:
|
C
|
sciq
|
Thermal, radiant, electrical, nuclear, and chemical are all types of what?
A. fuel
B. energy
C. fuel
D. heating
Answer:
|
B
|
sciq
|
Coronary arteries ans small in what?
A. density
B. height
C. diameter
D. length
Answer:
|
C
|
sciq
|
What occurs when a substance reacts quickly with oxygen?
A. catalytic conversion
B. oxidation
C. convection
D. combustion reaction
Answer:
|
D
|
sciq
|
What are the two basic types of competition called?
A. exploitative and beneficial
B. weak and strong
C. interference and interaction
D. instraspecifc and interspecific
Answer:
|
D
|
sciq
|
Algae are much simpler than protozoa. they are aquatic and contain this?
A. cloning factor
B. chlorophyll
C. testes
D. sporozoa
Answer:
|
B
|
sciq
|
What is a gram stain used to identify ?
A. different types of bacteria
B. different types of liquids
C. acids or bases
D. radioactivity
Answer:
|
A
|
sciq
|
Burning gas to run our cars is an example of how human activity is contributing to what global event?
A. metamorphic change
B. carbon change
C. ozone change
D. climate change
Answer:
|
D
|
sciq
|
The periodic table of elements is divided into what?
A. patterns
B. squares
C. groups
D. spheres
Answer:
|
B
|
sciq
|
Wave amplitude of a transverse wave is the difference in height between what and the resting position?
A. a crest
B. a valley
C. a magnitude
D. a cascade
Answer:
|
A
|
sciq
|
What is secreted before ejaculation to neutralize acidic urine remaining in the urethra?
A. semen
B. clear mucus
C. sperm
D. pre-cum
Answer:
|
B
|
sciq
|
Because conifers carry both male and female sporophylls on the same mature sporophyte, they are considered what type of plant?
A. dioecious
B. bioecious
C. siliceous
D. monoecious
Answer:
|
D
|
sciq
|
Who lack some of the defining traits of chordates?
A. Reptiles
B. Childern
C. Adult Mammals
D. adult humans
Answer:
|
D
|
sciq
|
What does convection within the earth's mantel cause?
A. volcanos
B. microorganisms to move
C. plates to move
D. hurricanes
Answer:
|
C
|
sciq
|
Autoimmunity can develop with time, and its causes may be rooted in this?
A. spontaneous mutation
B. molecular mimicry
C. resistance
D. inheritance
Answer:
|
B
|
sciq
|
Why does warm air rise higher in the troposphere?
A. It contains hydrogen
B. it is less dense than cool air
C. it is more dense than cool air
D. it is less flourishing than cool air
Answer:
|
B
|
sciq
|
Getting the same result when an experiment is repeated is called what?
A. replication
B. initiation
C. repetition
D. mutation
Answer:
|
A
|
sciq
|
Some membranes have what kind of surfaces exposed to the cytoplasm?
A. bilayer
B. outer
C. obstructionary
D. hydrophobic
Answer:
|
D
|
sciq
|
Plants and fungi cells have what basic cell structure, which animals do not have?
A. cell wall
B. Lysosomes
C. Cell Membrane
D. Cytoskeleton
Answer:
|
A
|
sciq
|
The way in which the sun produces light is called what?
A. tumescence
B. photosynthesis
C. incandescence
D. rays
Answer:
|
C
|
sciq
|
What kind of light bulb contains a thin wire filament made of tungsten that gets hot and glows?
A. black light
B. fluorescent
C. incandescent
D. LED
Answer:
|
C
|
sciq
|
What do you call a mixture in which some particles settle out of it when it is left standing?
A. emulsion
B. homogenous
C. suspension
D. alloy
Answer:
|
C
|
sciq
|
What do you call the process of a solid becoming a liquid?
A. freezing
B. vaporizing
C. melting
D. boiling
Answer:
|
C
|
sciq
|
Once a plant cell becomes specialized, what can they no longer do?
A. cellular respiration
B. osmosis
C. divide
D. photosynthesis
Answer:
|
C
|
sciq
|
The hardest natural substance, diamond is a form of what element?
A. carbon
B. zenon
C. zirconium
D. hydrogen
Answer:
|
A
|
sciq
|
Much of what type of radiation that strikes the planet is reflected back into space?
A. gamma rays
B. magentic radiation
C. solar radiation
D. microwaves
Answer:
|
C
|
sciq
|
What particles are formed from a neutron in beta decay?
A. rust and proton
B. mucus and a proton
C. atom and proton
D. electron and a proton
Answer:
|
D
|
sciq
|
What class of acids do carboxylic acids fall under?
A. carbolic acids
B. hydrochloric acids
C. inorganic acids
D. organic acids
Answer:
|
D
|
sciq
|
Plants can absorb inorganic nutrients and water through their root system, and what gas from the environment?
A. carbon dioxide
B. chemical dioxide
C. hydrogen dioxide
D. nitrogen dioxide
Answer:
|
A
|
sciq
|
Giardia is an example of a protozoa that uses flagella for what purpose?
A. light
B. nutrients
C. movement
D. reproduction
Answer:
|
C
|
sciq
|
Nearly all earthquakes occur where?
A. plate centers
B. plate boundaries
C. in Asia
D. in large cities
Answer:
|
B
|
sciq
|
Conotoxins released by certain marine snails can bring about paralysis in humans, indicating that this toxin attacks what system?
A. cerebral
B. neurological
C. circulatory
D. cardiovascular
Answer:
|
B
|
sciq
|
What is the second largest planet in the solar system?
A. saturn
B. jupiter
C. Venus
D. Mars
Answer:
|
A
|
sciq
|
Fruit comes from the ovaries of what types of plants?
A. flowering
B. sprouting
C. perennial
D. deciduous
Answer:
|
A
|
sciq
|
Resistors connected end to end are said to be in what?
A. lines
B. groups
C. parallel
D. series
Answer:
|
D
|
sciq
|
Molar mass is equal to density multiplied by what?
A. molar volume
B. molar weight
C. molar energy
D. molar gravity
Answer:
|
A
|
sciq
|
What plastid makes and stores other pigments?
A. sporozoans
B. chromoplasts
C. pores
D. pores
Answer:
|
B
|
sciq
|
What effect causes global winds to blow on a diagonal over the earth's surface?
A. centrifugal effect
B. dopler effect
C. resonant effect
D. coriolis effect
Answer:
|
D
|
sciq
|
When members of the same species compete for the same resources, it is called what?
A. interspecies competition
B. intraspecific competition
C. extinction
D. natural selection
Answer:
|
B
|
sciq
|
Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead what?
A. mammals
B. plants
C. eukaryotic
D. chloroplasts
Answer:
|
C
|
sciq
|
What do bees carry from one plant to another to facilitate plant growth and development?
A. fungi
B. nutrients
C. pollen
D. spores
Answer:
|
C
|
sciq
|
Why is the drift velocity negligible?
A. less free charges
B. shows free charges
C. many free charges
D. need free charges
Answer:
|
C
|
sciq
|
Instruments that measure the angle of the slope of a volcano are called what?
A. velocity meters
B. angle meters
C. tilt meters
D. aberration meters
Answer:
|
C
|
sciq
|
What is the term for preserved remains or traces of organisms that lived in the past?
A. remains
B. bones
C. deposits
D. fossils
Answer:
|
D
|
sciq
|
Birds flying thousands of miles south in the winter, then returning to their homes in spring, is a familiar example of what?
A. evacuation
B. emigration
C. hibernation
D. migration
Answer:
|
D
|
sciq
|
The hydration of what is what makes many alcohols?
A. enzymes
B. malts
C. lipids
D. alkenes
Answer:
|
D
|
sciq
|
What causes oxides to decompose?
A. precipitation
B. acidity
C. heat
D. humidity
Answer:
|
C
|
sciq
|
With codominance, both alleles are expressed equally in what?
A. homozygotes
B. prokaryotes
C. gametes
D. heterozygotes
Answer:
|
D
|
sciq
|
When hit from behind in a car crash, a passenger can suffer a neck injury called what?
A. inflammation
B. necklash
C. whiplash
D. twisted neck
Answer:
|
C
|
sciq
|
When a species always migrates, what is this type of migration called?
A. genus migration
B. obligate migration
C. mass migration
D. emigration
Answer:
|
B
|
sciq
|
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