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What is the only planet that rotates clockwise as viewed from its north pole?
A. uranus
B. venus
C. earth
D. mars
Answer:
|
B
|
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|
Most radioactive emissions that people are exposed to are on the order of a few dozen what?
A. micrograms
B. millivolts
C. ticks
D. millirems
Answer:
|
D
|
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|
What decay produces helium nuclei?
A. duo decay
B. Beta Decay
C. alpha decay
D. radiative decay
Answer:
|
C
|
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|
Instead of wood, what do some fireplaces use?
A. propane
B. acetylene
C. gasoline
D. kerosene
Answer:
|
A
|
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|
What is the sum of all biochemical reactions in cells called?
A. evolution
B. metabolism
C. diffusion
D. respiration
Answer:
|
B
|
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|
What process is magnesium important to?
A. absorption
B. dna replication
C. photosynthetic
D. carbon cycle
Answer:
|
C
|
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|
What type of shots do people with allergy get?
A. allergy shots
B. booster shots
C. nasal shots
D. flu shots
Answer:
|
A
|
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|
Where do polychaete worms live?
A. garden soil
B. the ocean floor
C. lakes
D. digestive tract
Answer:
|
B
|
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|
What kind of material that might otherwise go to a landfill can serve as the source of biomass power?
A. organic waste
B. reactive waste
C. microscopic waste
D. mechanical waste
Answer:
|
A
|
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|
What was the appendix used for in the past but is no longer needed for?
A. digest food
B. produce food
C. sense danger
D. fight infection
Answer:
|
A
|
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|
Dermal, vascular, and ground tissue make up what part of a plant, which bears the leaves, flowers and fruits?
A. stem
B. root
C. flowers
D. leaves
Answer:
|
A
|
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|
What term is used to describe the conditions in the sky on any particular day?
A. temperature
B. weather
C. humidity
D. forecast
Answer:
|
B
|
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|
What does the human body produce to help digest food?
A. vitamins
B. carbohydrates
C. fiber
D. enzymes
Answer:
|
D
|
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|
What is a coil of wire with electric current flowing through it called?
A. a solenoid
B. hydraulic valve
C. carrier valve
D. tectonic valve
Answer:
|
A
|
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|
What type of young do scorpions produce?
A. twins
B. guppies
C. identical
D. live
Answer:
|
D
|
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|
The chloroplast integrates the two stages of what process?
A. breathing
B. defacation
C. photosynthesis
D. polarization
Answer:
|
C
|
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|
What is the name for the amount of water vapor in the air?
A. viscosity
B. humidity
C. ambient
D. heat
Answer:
|
B
|
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|
What is the body system that digests food mechanically and chemically and absorbs nutrients?
A. digestive system
B. ingestion system
C. internal system
D. metabolism system
Answer:
|
A
|
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|
What is measured with a personal dosimeter?
A. blood insulin
B. alcohol concentration
C. internal temperature
D. exposure to radioactivity
Answer:
|
D
|
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|
Which plants sometimes colonize areas by disrupting interactions between native organisms?
A. denser exotic plants
B. bacteria exotic plants
C. invasive exotic plants
D. carnivorous exotic plants
Answer:
|
C
|
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|
What are electromagnetic waves with the longest wavelengths called?
A. infrared waves
B. sound waves
C. channel waves
D. radio waves
Answer:
|
D
|
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|
Resonance has been used in what kind of human-made recreational objects since prehistoric times?
A. arrows
B. musical instruments
C. toys
D. paintbrushes
Answer:
|
B
|
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|
What is the strength of an earthquake called?
A. power
B. force
C. waves
D. magnitude
Answer:
|
D
|
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|
What organs need constant pressure to filter the blood?
A. dialysis
B. arteries
C. kidneys
D. lungs
Answer:
|
C
|
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|
After an infection has been brought under control and most cytotoxic t cells die off, a few remain as what?
A. b cells
B. natural killer cells
C. memory cells
D. control cells
Answer:
|
C
|
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|
How do lancelets reproduce?
A. sexually
B. parthenogenesis
C. asexually
D. aerobically
Answer:
|
A
|
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|
What is the storage form of glucose in humans and other vertebrates?
A. fructose
B. neurons
C. glycogen
D. placenta
Answer:
|
C
|
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|
What two factors influence the pressure of fluids?
A. depth and gravity
B. temperature and density
C. time and temperature
D. depth and density
Answer:
|
D
|
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|
Although it is the easiest to observe, what property is not ideal as a sole way to identify minerals?
A. temperature
B. color
C. density
D. composition
Answer:
|
B
|
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|
Where are bile acids, needed to emulsify lipids, stored in the body?
A. gallbladder
B. liver
C. womb
D. cerebellum
Answer:
|
A
|
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|
What type of molecule is first broken down in cellular respiration?
A. fructose molecule
B. glucose molecule
C. oxygen molecule
D. hydrogen molecule
Answer:
|
B
|
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|
The rate at which the body uses food energy to sustain life and to do different activities is called the what?
A. life cycle
B. calorie rate
C. hormonal rate
D. metabolic rate
Answer:
|
D
|
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|
How many valence electrons does carbon have?
A. one
B. four
C. two
D. five
Answer:
|
B
|
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|
What word describes a molecule that repels polar water?
A. hydrophobic
B. soluble
C. hydrophonic
D. monophobic
Answer:
|
A
|
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|
Which pollution can cause lung cancer and can also make asthma and other diseases worse?
A. climate pollution
B. air pollination
C. air pollution
D. water pollution
Answer:
|
C
|
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|
Counterweights and diagonal steel beams are used in buildings to hold down what?
A. sway
B. traction
C. inertia
D. gravity
Answer:
|
A
|
sciq
|
The major component of what cellular structures is the phospholipid bilayer?
A. cell membranes
B. cytoplasm
C. nuclei
D. ribosomes
Answer:
|
A
|
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|
The cytoskeleton crisscrosses the cytoplasm, this gives what to the cell?
A. external framework
B. external passageway
C. internal passageway
D. internal framework
Answer:
|
D
|
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|
Initiation, elongation, and termination are the three steps of what?
A. transcription
B. respiration
C. mutation
D. differentiation
Answer:
|
A
|
sciq
|
What do we call the most widely accepted cosmological explanation of how the universe formed?
A. big light theory
B. big bang theory
C. singularity theory
D. big crunch theory
Answer:
|
B
|
sciq
|
Angiosperms possess reproductive structures that attract animals that perform what role?
A. pollination
B. isolation
C. evolution
D. vegetation
Answer:
|
A
|
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|
What kind of tissue consists of trabeculae and forms the inner layer of all bones?
A. spongy bone tissue
B. flotsam bone tissue
C. denser bone tissue
D. corregated bone tissue
Answer:
|
A
|
sciq
|
What is the most important factor in determining the type of soil that forms in a particular area?
A. climate
B. migration
C. altitude
D. landscape
Answer:
|
A
|
sciq
|
Energy constantly changes back and forth between kinetic and what type of energy?
A. practical
B. potential
C. mechanical
D. physical
Answer:
|
B
|
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|
The tendency of an object to resist a change in its motion is called what?
A. kenetic force
B. isolation
C. stabilization
D. inertia
Answer:
|
D
|
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|
When land used for mining or other purposes is restored to its natural state, what do you call the process, which is often mandated by law?
A. irrigation
B. urban renewal
C. reclamation
D. removal
Answer:
|
C
|
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|
There are how many visual clues to indicate a chemical reaction?
A. three
B. seven
C. five
D. four
Answer:
|
D
|
sciq
|
Genetic traits are characteristics encoded in what?
A. rna
B. nuclei
C. dna
D. bacteria
Answer:
|
C
|
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|
In 1802, charles and gay-lussac both proposed that for a fixed amount of gas at a constant pressure, what is directly proportional to its absolute temperature?
A. volume
B. liquid
C. air
D. density
Answer:
|
A
|
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|
What material is transported in a process called longshore drift?
A. sediment
B. grass
C. boats
D. foods
Answer:
|
A
|
sciq
|
What has has revolutionized biological and biomedical research and applications?
A. synthesis chain reaction
B. Compound chain reaction
C. polymerase chain reaction
D. organism chain reaction
Answer:
|
C
|
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|
Electrons are organized into shells and subshells about the nucleus of this?
A. element
B. molecule
C. atom
D. compound
Answer:
|
C
|
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|
What is the double-membrane structure that constitutes the outermost portion of the nucleus?
A. nuclear envelope
B. energy envelope
C. nuclear fold
D. energy fold
Answer:
|
A
|
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|
Each daughter cell represents one outcome of all possible combinations of maternal and paternal what?
A. traits
B. chromosomes
C. alleles
D. genes
Answer:
|
B
|
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|
What is the science of classifying the many organisms on earth called?
A. general classification
B. taxonomy
C. methodology
D. terminology
Answer:
|
B
|
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|
Platelets play a role in what cascade of reactions that converts plasma fibrinogen to fibrin?
A. hemophilia
B. blood clotting
C. sickle cell anemia
D. bleeding
Answer:
|
B
|
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|
What force includes forces of attraction and repulsion?
A. centripetal force
B. molecular force
C. gravitational force
D. magnetic force
Answer:
|
D
|
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|
How many atoms of oxygen does silicon dioxide contain?
A. six
B. one
C. three
D. two
Answer:
|
D
|
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|
A transformer has two coils, electrically insulated from each other. one coil is called the primary coil and the other is called the what?
A. quadratic coil
B. secondary coil
C. young coil
D. tertiary coil
Answer:
|
B
|
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|
What state of matter is characterized by tiny particles separated by large distances, which do not experience any force of attraction or repulsion with each other?
A. steam
B. liquids
C. gas
D. emissions
Answer:
|
C
|
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|
Where are unsaturated fatty acids commonly found?
A. oil
B. fish
C. butter
D. animal products
Answer:
|
A
|
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|
Why is gingko biloba planted in public spaces?
A. resistant to pollution
B. self-containing
C. self-pollinating
D. for xeriscaping
Answer:
|
A
|
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|
What term means a representation of an object, system, or process?
A. presentation
B. pattern
C. model
D. icon
Answer:
|
C
|
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|
What makes metals shiny?
A. light energy
B. light characterization
C. light expansion
D. light reflection
Answer:
|
D
|
sciq
|
What are materials that have high resistance to electric current called?
A. motion reducers
B. power insulators
C. cooling insulators
D. electric insulators
Answer:
|
D
|
sciq
|
Which system in your body stores urine and is controlled by the nervous system?
A. urinary system
B. digestive system
C. muscular system
D. cardiovascular system
Answer:
|
A
|
sciq
|
Which type of isomers generally have lower boiling and melting points than straight-chain isomers?
A. branched - solar isomers
B. branched-chain isomers
C. straight-chain isomers
D. branched-looping isomers
Answer:
|
B
|
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|
Which temperature scale is commonly used in science?
A. kelvin scale
B. ph scale
C. centigrade
D. celsius
Answer:
|
A
|
sciq
|
What is required for both the synthesis and breakdown of molecules?
A. mixing
B. energy
C. heating
D. sunlight
Answer:
|
B
|
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|
Parasites usually harm their hosts (or they wouldn't be parasites), but what do they usually stop short of doing?
A. reproducing with hosts
B. benefiting their hosts
C. killing their host
D. mutating their hosts
Answer:
|
C
|
sciq
|
What basic structures are the site of all the life functions of an organism?
A. lipids
B. cells
C. genes
D. proteins
Answer:
|
B
|
sciq
|
From where have the earliest ocean plants thought to have evolved?
A. green pepinia ancestor
B. simple alga ancestor
C. simple coral ancestor
D. green alga ancestor
Answer:
|
D
|
sciq
|
The liver has three main components: hepatocytes, bile canaliculi, and this?
A. tissue sinusoids
B. hepatic sinusoids
C. blood sinusoids
D. coronary sinusoids
Answer:
|
B
|
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|
What bone is is one of a pair that together form the upper jaw, much of the hard palate, the medial floor of the orbit, and the lateral base of the nose?
A. mandibular bone
B. mastoid process
C. nasal bone
D. maxillary bone
Answer:
|
D
|
sciq
|
When a rock is altered by heat from a nearby magma, what occurs?
A. form metamorphism
B. sublimation
C. contact metamorphism
D. evaporation
Answer:
|
C
|
sciq
|
Which is one of the most complicated parts of gene regulation in eukaryotic cells?
A. aftermath of transcription
B. middle of transcription
C. start of transcription
D. end of transcription
Answer:
|
C
|
sciq
|
How is thermal energy transferred in every-day, real life situations, such as holding a warm cup?
A. condensation
B. oxidation
C. decomposition
D. conduction
Answer:
|
D
|
sciq
|
What consists of all the biotic and abiotic factors in an area and their interactions?
A. community
B. ecosystem
C. habitat
D. macroevolution
Answer:
|
B
|
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|
What is the theory scientists use to explain the matter in the universe and how it's held together?
A. original model
B. organic model
C. specific model
D. standard model
Answer:
|
D
|
sciq
|
In what group of animals several forms of asexual reproduction are found?
A. crustaceans
B. insects
C. arthropods
D. invertebrates
Answer:
|
D
|
sciq
|
After the amino acid molecule has been bound to its what, protein synthesis can take place?
A. RNA receptor
B. base
C. dna molecule
D. trna carrier
Answer:
|
D
|
sciq
|
The conversion of food that is consumed to nutrients involves what two major processes:
A. untangling and absorption
B. digestion and absorption
C. secrete and absorption
D. absorption and excretion
Answer:
|
B
|
sciq
|
What is the unsorted pile of material dropped by glaciers called?
A. glacial runoff
B. glacial till
C. landfill
D. icy deposit
Answer:
|
B
|
sciq
|
Each proton has how many units of positive charge?
A. zero
B. three
C. two
D. one
Answer:
|
D
|
sciq
|
Because charges must have an unbroken path to follow, electric current cannot flow through a material unless it forms what?
A. closed loop
B. complete loop
C. total loop
D. closed area
Answer:
|
A
|
sciq
|
In living systems, diffusion of substances into and out of cells is mediated by the what membrane?
A. fluid
B. plasma
C. ferment
D. gas
Answer:
|
B
|
sciq
|
Ancient greeks mistook what simple sedentary animals for plants?
A. corals
B. parasites
C. sponges
D. fungi
Answer:
|
C
|
sciq
|
What trimester is associated with rapid fetal growth?
A. fourth trimester
B. second trimester
C. third trimester
D. first trimester
Answer:
|
C
|
sciq
|
What are all scientific explanations and interpretations based on?
A. changes
B. controls
C. theories
D. facts
Answer:
|
D
|
sciq
|
What is the process in which an atom becomes an ion known as?
A. electrification
B. evaporation
C. ionization
D. oxidation
Answer:
|
C
|
sciq
|
What are two examples of lipids?
A. defects and oils
B. fats and oils
C. adipose tissue and olive oil
D. vitamins and fatty acid
Answer:
|
B
|
sciq
|
What can radioactive strontium replace in the human body making it dangerous?
A. oxygen
B. magnesium
C. calcium
D. potassium
Answer:
|
C
|
sciq
|
Silicon with an element that gives it extra electrons is which type of semiconductor?
A. n-type
B. m. Type
C. i.g - type
D. k. - type
Answer:
|
A
|
sciq
|
Cold sores, influenza, and the common cold are all?
A. trend infections
B. viral infections
C. anal infections
D. digestive infections
Answer:
|
B
|
sciq
|
What helps to propel sponge larvae through the water?
A. tentacles
B. mucus
C. cilia
D. antennae
Answer:
|
C
|
sciq
|
The majority of cells in blood are erythrocytes or?
A. s.a blood cells
B. 50.3 blood cells
C. red blood cells
D. Deep Blood Cells
Answer:
|
C
|
sciq
|
Which gases trap heat in the atmosphere?
A. methane and helium
B. fluorine and nitrogen
C. greenhouse
D. ozone
Answer:
|
C
|
sciq
|
The arrangement of what plant structures can be classified as either alternate, spiral, or opposite?
A. leaves
B. spores
C. fruits
D. roots
Answer:
|
A
|
sciq
|
Acceleration is defined as the change in what over time?
A. mass
B. velocity
C. direction
D. volume
Answer:
|
B
|
sciq
|
Some protists absorb nutrients from decaying matter like a what?
A. insects
B. fungus
C. mite
D. plant
Answer:
|
B
|
sciq
|
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