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null | Question: With what does an electromagnetic wave start?
Options:
A. kinetic energy
B. battery
C. vibrating charged particle
D. static charged particle
Answer: | C |
null | Question: If the water vapor condenses in liquid droplets as clouds form, what is released in the atmosphere?
Options:
A. heat
B. oxygen
C. electricity
D. hydrogen
Answer: | A |
null | Question: The magnitude of the momentum vector is the product of what two properties?
Options:
A. work and speed
B. volume and speed
C. acceleration and speed
D. mass and speed
Answer: | D |
null | Question: The simplest organic compounds are known as what?
Options:
A. nucleotides
B. hydrocarbons
C. carbohydrates
D. amino acids
Answer: | B |
null | Question: Where do the cells in your body get oxygen from?
Options:
A. white blood cells
B. the digestive system
C. red blood cells
D. pores
Answer: | C |
null | Question: Most cases of syphilis can be cured with what?
Options:
A. vitamins
B. enzymes
C. abstinence
D. antibiotics
Answer: | D |
null | Question: What green cell structures of a leaf are visible under a high power microscope?
Options:
A. veins
B. fibroblasts
C. chloroplasts
D. golgi apparatus
Answer: | C |
null | Question: Why are two different minerals considered different though they have the same chemical composition?
Options:
A. different molecular structures
B. different linear structures
C. different crystal structures
D. different rods structures
Answer: | C |
null | Question: How many more legs do spiders have compared to insects?
Options:
A. four
B. two
C. six
D. one
Answer: | B |
null | Question: Memory t cells are long-lived and can even persist for how long?
Options:
A. lifetime
B. eons
C. minutes
D. days
Answer: | A |
null | Question: Valence electrons also determine how well—if at all—the atoms of an element conduct what?
Options:
A. water
B. light
C. pollution
D. electricity
Answer: | D |
null | Question: What system includes the brain and the spinal cord?
Options:
A. muscular
B. digestive
C. lymbic
D. central nervous
Answer: | D |
null | Question: Organic and biochemical equations show the initial and final products of the equation, respectively known as the reactants and what else?
Options:
A. consumers
B. dividends
C. reactors
D. products
Answer: | D |
null | Question: What is the name for an area that is covered in water, or at least has soggy soil, during all or part of the year?
Options:
A. coastal zone
B. a wetland
C. a crater
D. a stream
Answer: | B |
null | Question: Change in what equals the average net external force multiplied by the time this force acts?
Options:
A. momentum
B. lag
C. height
D. rate
Answer: | A |
null | Question: What causes polarization in a neutral object?
Options:
A. meaning of charges
B. separation of charges
C. signaling of charges
D. combining of charges
Answer: | B |
null | Question: Bicarbonate is the second most abundant anion in the blood. its principal function is to maintain your body’s acid-base balance by being part of these?
Options:
A. buffer systems
B. compound systems
C. curb systems
D. stream systems
Answer: | A |
null | Question: Cnvs result from regions of what being duplicated or deleted inconsistently within the population?
Options:
A. cytoplasm
B. DNA
C. genome
D. genes
Answer: | C |
null | Question: The scientific method deals with systematic investigation, reproducible results, the formation and testing of hypotheses, and what two categories of reasoning?
Options:
A. induction and deduction
B. method and deduction
C. reduction and deduction
D. existence and deduction
Answer: | A |
null | Question: What are long living plasma cells called?
Options:
A. brain Cells
B. memory cells
C. device cells
D. context cells
Answer: | B |
null | Question: What type of fertilization do most reptiles have?
Options:
A. external
B. budding
C. spawning
D. internal
Answer: | D |
null | Question: What is another term for the parabolic motion of a thrown object?
Options:
A. simple motion
B. projectile motion
C. regular motion
D. newtonian motion
Answer: | B |
null | Question: What magnetism is produced by electricity?
Options:
A. excitation
B. Charges
C. electromagnetism
D. diffusion
Answer: | C |
null | Question: What category of food includes sugars, starches and fibers?
Options:
A. alcohols
B. proteins
C. enzymes
D. carbohydrates
Answer: | D |
null | Question: What is another term for stored energy?
Options:
A. potential energy
B. inertia
C. mechanical energy
D. latency
Answer: | A |
null | Question: What property of materials describes the ease in which they can be molded into thin sheets?
Options:
A. plasticity
B. rigidity
C. permeability
D. malleability
Answer: | D |
null | Question: What is the process by which wind blows to make the ground surface gets lower and rockier ?
Options:
A. layering
B. deflation
C. inflation
D. stagnation
Answer: | B |
null | Question: Laid on dry land by reptiles, amniotic eggs have what that prevents them from drying out?
Options:
A. waterproof membranes
B. double yolks
C. oil coating
D. double shells
Answer: | A |
null | Question: Only about one percent of plants have lost what ability, turning them into consumers and even predators, instead of producers?
Options:
A. photosynthesis
B. growth
C. rooting
D. flowering
Answer: | A |
null | Question: A mineral’s crystal shape is determined by the way what objects are arranged?
Options:
A. particles
B. molecules
C. atoms
D. Electrons
Answer: | C |
null | Question: When a membrane uses energy to move a substance across it, what kind of transport is this?
Options:
A. active
B. slow
C. inactive
D. fast
Answer: | A |
null | Question: What structures are located on roof of the nasopharynx and on each side of the pharynx?
Options:
A. tongues
B. tonsils
C. uvula
D. testicles
Answer: | B |
null | Question: What theory states that all organisms are made up of one or more cells?
Options:
A. the micro theory
B. the cell theory
C. the atomic theory
D. the molecular anatomy theory
Answer: | B |
null | Question: What are the largest known proteins called?
Options:
A. obscures
B. aminos
C. titins
D. sporozoans
Answer: | C |
null | Question: What are formed by atoms gaining electrons?
Options:
A. oxides
B. ions
C. cations
D. anions
Answer: | D |
null | Question: In celsius, what is the boiling point of water?
Options:
A. two hundred twelve degrees
B. ninety eight degrees
C. zero degrees
D. one hundred degrees
Answer: | D |
null | Question: The movement of bone away from the midline of the body is called what?
Options:
A. extension
B. continuation
C. spring
D. flexion
Answer: | A |
null | Question: Where is energy stored in a chemical substance?
Options:
A. inside atoms
B. on the surface
C. in molecules
D. between atoms
Answer: | D |
null | Question: Amniocentesis and chorionic villus sampling can indicate whether a suspected genetic disorder is present at what stage?
Options:
A. infant
B. toddler
C. adult
D. fetal
Answer: | D |
null | Question: Carbon is a nonmetal with a significantly higher electronegativity; it is therefore more likely to accept electrons in what kind of reaction?
Options:
A. reversable reaction
B. redox reaction
C. isotope reaction
D. catalyst reaction
Answer: | B |
null | Question: What is mollusks complete digestive system called?
Options:
A. thallus
B. vesicle
C. choroid
D. coelom
Answer: | D |
null | Question: What type of reproduction is exemplified by starfish and yeasts?
Options:
A. bacteria reproduction
B. microscopic reproduction
C. asexual reproduction
D. sexual reproduction
Answer: | C |
null | Question: What planet is a blue green color?
Options:
A. Mars
B. Mercury
C. sirius
D. uranus
Answer: | D |
null | Question: In mammals, the cells on the exterior form the trophectoderm, which goes on to form what?
Options:
A. cardiac tissues
B. protoplanetary tissues
C. aeroponics tissues
D. extraembryonic tissues
Answer: | D |
null | Question: Physical and chemical differences help ecologists distinguish between freshwater and marine types of what?
Options:
A. microbiomes
B. cities
C. biomes
D. habitats
Answer: | C |
null | Question: Despite its small size, an erythrocyte contains about 250 million molecules of what?
Options:
A. plasma
B. calcium
C. hemoglobin
D. potassium
Answer: | C |
null | Question: Oxygen, carbon, hydrogen and what other element make up approximately 96% of living matter?
Options:
A. calcium
B. helium
C. nitrogen
D. silicon
Answer: | C |
null | Question: How do they classify tornadoes?
Options:
A. wind temperature
B. wind density
C. amount of destruction
D. wind speed
Answer: | D |
null | Question: What are the main organs for breathing in a mammal?
Options:
A. lungs
B. gills
C. nostrils
D. intestines
Answer: | A |
null | Question: Almost all leaves are specialized for what process?
Options:
A. sex
B. reactions
C. photosynthesis
D. measurements
Answer: | C |
null | Question: Sometimes referred to as air, what do we call the mixture of gases that surrounds the planet?
Options:
A. atmosphere
B. galaxy
C. hemisphere
D. outer space
Answer: | A |
null | Question: Growth and development in humans is most rapid during what two stages?
Options:
A. flutter and adolescence
B. teen and adults
C. bounce and adolescence
D. infancy and adolescence
Answer: | D |
null | Question: Mirrors and lenses are used in optical instruments to reflect and refract what?
Options:
A. light
B. gravity
C. electricity
D. mass
Answer: | A |
null | Question: What is is a measurement of the force amplification of a machine?
Options:
A. mechanical advantage
B. force multiplier
C. mechanical pull
D. mechanical push
Answer: | A |
null | Question: What do ectotherms use to regulate body temperature?
Options:
A. combustion energy sources
B. Flexible Energy Source
C. result energy sources
D. external energy sources
Answer: | D |
null | Question: The fact that all living things share the same biochemical building blocks is molecular evidence of what theorized process?
Options:
A. evolution
B. emergence
C. creation
D. generation
Answer: | A |
null | Question: When does coal release most of its energy?
Options:
A. when falling
B. when forming
C. when burning
D. when compressed
Answer: | C |
null | Question: What branch of biology uses fossils to study life’s history?
Options:
A. gerontology
B. paleontology
C. entomology
D. morphology
Answer: | B |
null | Question: What is a random change in an organism's genes?
Options:
A. infection
B. accumulation
C. meiosis
D. mutation
Answer: | D |
null | Question: Australia is home to many endemic species. the (a) wallaby (wallabia bicolor), a medium-sized member of the kangaroo family, is a pouched mammal, or this?
Options:
A. placental
B. rodent
C. primate
D. marsupial
Answer: | D |
null | Question: After the amino acid molecule has been bound to its what, protein synthesis can take place?
Options:
A. dna molecule
B. trna carrier
C. RNA receptor
D. base
Answer: | B |
null | Question: What is used to convert concentrations to collisions per second?
Options:
A. collision meter
B. frequency factor
C. speeds factor
D. particles factor
Answer: | B |
null | Question: Endothermic and exothermic reactions differ in whether the products or reactants store more of what?
Options:
A. Kinetic Energy
B. Thermal energy
C. chemical energy
D. Motion energy
Answer: | C |
null | Question: If a ball is released from rest when air resistance is negligible, velocity is seen to increase linearly, while what related property is a constant?
Options:
A. density
B. acceleration
C. speed
D. time
Answer: | B |
null | Question: What is the term for expelling air out of the body through the nose or mouth?
Options:
A. induction
B. inhalation
C. exhalation
D. perspiration
Answer: | C |
null | Question: What type of charge do electrons have?
Options:
A. positive
B. bipolar
C. neutral
D. negative
Answer: | D |
null | Question: What gland is a butterfly-shaped organ located in the neck anterior to the trachea?
Options:
A. pineal gland
B. adrenal gland
C. thyroid gland
D. pituitary gland
Answer: | C |
null | Question: What is the name of the organelle that helps make and transport proteins and lipids?
Options:
A. nucleus
B. endoplasmic reticulum
C. mitochondria
D. plasma membrane
Answer: | B |
null | Question: Because force and electric field are what, they have direction as well as their value?
Options:
A. neurons
B. sensors
C. mass
D. vectors
Answer: | D |
null | Question: Which plants sometimes colonize areas by disrupting interactions between native organisms?
Options:
A. invasive exotic plants
B. bacteria exotic plants
C. carnivorous exotic plants
D. denser exotic plants
Answer: | A |
null | Question: Primary batteries are single-use batteries because they cannot be what?
Options:
A. UP ticked.
B. recharged
C. plugged
D. refreshed
Answer: | B |
null | Question: What explains why water molecules tend to stick together?
Options:
A. helium bonds
B. mineral bonds
C. hydrogen bonds
D. covalent bonds
Answer: | C |
null | Question: What type of rain dissolves limestone and marble?
Options:
A. natural
B. sulfur
C. acid
D. carbon
Answer: | C |
null | Question: What hydrocarbons contain only single bonds between carbon atoms?
Options:
A. simple carbohydrates
B. unsaturated hydrocarbons
C. saturated hydrocarbons
D. caloric hydrocarbons
Answer: | C |
null | Question: In a food chain, what group of organisms breaks down animal remains and wastes to get energy?
Options:
A. primary consumers
B. detritivores
C. decomposers
D. producers
Answer: | C |
null | Question: Why is the root cap continuously replaced in plants?
Options:
A. due to growth
B. due to pressure
C. damage through pushing
D. due to rubbing
Answer: | C |
null | Question: Why does photosynthesis not occur in the deep-water zone?
Options:
A. it is cold
B. it is pressurized
C. it is stagnant
D. it is dark
Answer: | D |
null | Question: What is the skeleton of the cell?
Options:
A. cell membrane
B. cytoskeleton
C. cell wall
D. cytoplasm
Answer: | B |
null | Question: E. coli need what kind of acids to survive?
Options:
A. bacterial
B. hydrochloric
C. boric
D. amino
Answer: | D |
null | Question: When a hypothesis is repeatedly confirmed, what can it then become?
Options:
A. evolution
B. Thesis
C. study
D. theory
Answer: | D |
null | Question: What do you call the set of seventeen chemical elements possessing particular importance for a variety of industrial processes, used frequently in modern technology?
Options:
A. base chemicals
B. reactive elements
C. fossil fuel
D. rare earth metals
Answer: | D |
null | Question: What is the preferred method for separating late transition metals from their ores?
Options:
A. heating
B. purging
C. hydrometallurgy
D. hydraulics
Answer: | C |
null | Question: Locus refers to the position of what on a chromosome, which controls the characteristics of an organism?
Options:
A. gene
B. gamete
C. genome
D. rna
Answer: | A |
null | Question: What is the second class of fish after ray-finned fish?
Options:
A. star-finned fish
B. spar - finned fish
C. pine - finned fish
D. lobe-finned fish
Answer: | D |
null | Question: What is the process by which plants make their own food?
Options:
A. mitochondrial process
B. photosynthesis
C. ATP cycle
D. respiration
Answer: | B |
null | Question: What type of fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water?
Options:
A. Internal
B. material
C. static
D. external
Answer: | D |
null | Question: What is a long, tube-shaped bundle of neurons, protected by the vertebrae?
Options:
A. a ganglion
B. a dendrite
C. the spinal cord
D. an axon
Answer: | C |
null | Question: What develop inside chambers called ovaries, which originate within flowers and mature into fruits?
Options:
A. angiosperm seeds
B. pollen seeds
C. trematode seeds
D. tomoxia seeds
Answer: | A |
null | Question: Within a group, the ionization energy decreases as the size of the atom gets what?
Options:
A. brighter
B. larger
C. lighter
D. smaller
Answer: | B |
null | Question: Oxygen, carbon dioxide, atp, and nadph are reactants in what process that plants use to produce food?
Options:
A. chlorophyll
B. photosynthesis
C. absorbtion
D. glycolysis
Answer: | B |
null | Question: What do you call the state in which a plant slows down cellular activities and may shed its leaves?
Options:
A. dormancy
B. recession
C. hibernation
D. germination
Answer: | A |
null | Question: The development of a head region is called what?
Options:
A. trichina
B. cocklebur
C. cephalization
D. spore
Answer: | C |
null | Question: What is emitted by atoms that have been excited by thermal excitation, electron collision, or collisions with photons of exactly the right frequency?
Options:
A. electricity
B. light
C. gravity
D. radioactivity
Answer: | B |
null | Question: Tests for levels of what in blood allow a diabetic patient to regulate how much insulin to administer?
Options:
A. glucose
B. alcohol
C. protein
D. chloride
Answer: | A |
null | Question: What are subatomic particles of the nucleus called?
Options:
A. cores
B. isotopes
C. baryons
D. nucleons
Answer: | D |
null | Question: Contributing to the blood-brain barrier is one of the jobs of glial cells, which support neurons in what system?
Options:
A. circulatory system
B. digestive system
C. peripheral nervous system
D. central nervous system
Answer: | D |
null | Question: What is the place called where the axon of one neuron meets the dendrite of another?
Options:
A. neurotransmitter
B. synapse
C. apoptosis
D. uptake
Answer: | B |
null | Question: Phototrophic organisms capture light energy from the sun and convert it into what type of energy inside their cells?
Options:
A. solar power
B. mechanical energy
C. chemical energy
D. radiation energy
Answer: | C |
null | Question: What is in the inside of your mouth and nose instead of skin?
Options:
A. scales
B. mucous membranes
C. gums
D. cuticle layer
Answer: | B |
null | Question: An electrostatic attraction between two ions that have exchanged what?
Options:
A. protons
B. neutrons
C. electrons
D. quasars
Answer: | C |