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null | Question: What also happens when people feel anxious and breathe too fast?
Options:
A. they become elated
B. they become pettite
C. they become hostile
D. they become lightheaded
Answer: | D |
null | Question: What type of learning is based on past experience and reasoning?
Options:
A. experiment
B. theory
C. insight
D. reflect
Answer: | C |
null | Question: Which theory describes the distribution of electrons in molecules in much the same way that the distribution of electrons in atoms is described using atomic orbitals?
Options:
A. molecular orbital theory
B. atomic distribution theory
C. atomic orbital theory
D. molecular distribution theory
Answer: | A |
null | Question: The scale that is used to measure the loudness of sound measures their loudness in what?
Options:
A. weight
B. waves
C. centimeters
D. decibels
Answer: | D |
null | Question: What is the area where an electron is most likely to be found called?
Options:
A. neucleus
B. neutron
C. proton
D. orbital
Answer: | D |
null | Question: What kind of behaviors are adaptive because they are flexible, capable of changing if the environment changes?
Options:
A. human
B. learned behavior
C. passed behavior
D. studied behavior
Answer: | B |
null | Question: Hepatitis b is inflammation of which organ?
Options:
A. the brain
B. the colon
C. the liver
D. the kidney
Answer: | C |
null | Question: What system does addictive drugs affect?
Options:
A. honor system
B. digestive system
C. checks and balances
D. reward system
Answer: | D |
null | Question: What are the three forms of water as found in nature?
Options:
A. solid , mixture , gas
B. balanced , liquid , gas
C. ice, vapor, sleet
D. solid, liquid, gas
Answer: | D |
null | Question: Organic substances, including proteins, carbohydrates, and oils, contain what element?
Options:
A. iron
B. acid
C. oxygen
D. carbon
Answer: | D |
null | Question: What simple machine works with a wheel and axle in a wheelbarrow?
Options:
A. blade
B. hammer
C. lever
D. pulley
Answer: | C |
null | Question: Whose rules are too simple to explain the inheritance of human height?
Options:
A. mendel
B. Einstein
C. Pascal
D. Darwin
Answer: | A |
null | Question: What is described by the concentration of hydrogen ions in a solution?
Options:
A. neutrality
B. hydrogeny
C. ph
D. oxidation
Answer: | C |
null | Question: Breeding in birds occurs through an internal type of what process?
Options:
A. sedimentation
B. fertilization
C. stimulation
D. segmentation
Answer: | B |
null | Question: What do cyclotrons use to cause particles to move in circular orbits?
Options:
A. magnetic field
B. occurs field
C. mixed field
D. layers field
Answer: | A |
null | Question: Light from a distant galaxy can travel different paths to the earth because it is bent around an intermediary galaxy by what?
Options:
A. radiation
B. strength
C. gravity
D. variation
Answer: | C |
null | Question: When gas pressure-forces are used to move an object the work is done on the object by?
Options:
A. contracting gas
B. gravitational pull
C. kinetic energy
D. expanding gas
Answer: | D |
null | Question: The passenger pigeon, the dodo bird, and the woolly mammoth represent individual cases of what fate?
Options:
A. compression
B. isolation
C. accumulation
D. extinction
Answer: | D |
null | Question: What reflex is commonly tested in newborn infants to establish the presence of neuromuscular function?
Options:
A. renal
B. plantar
C. glandular
D. phalanges
Answer: | B |
null | Question: In science, we need to make observations on various phenomena to form and test what?
Options:
A. assumptions
B. variations
C. theories
D. hypotheses
Answer: | D |
null | Question: What do covalent bonds give atoms a more stable arrangement of?
Options:
A. protons
B. electrons
C. neutrons
D. cell walls
Answer: | B |
null | Question: What is most often the cause of encephalitis?
Options:
A. viruses
B. bacterial infections
C. calcium buildup
D. parasites
Answer: | A |
null | Question: What is the term for a push or a pull on an object?
Options:
A. effort
B. action
C. force
D. gravity
Answer: | C |
null | Question: What molecule is made of two hydrogen atoms and one oxygen atom?
Options:
A. Oxygen
B. water
C. carbohydrate
D. lipids
Answer: | B |
null | Question: What is a thin layer of bacteria that sticks to a surface?
Options:
A. a monofilm
B. a biolfilm
C. a choanocyte
D. a spicule
Answer: | B |
null | Question: Many species of flowering plants have coevolved with specific what?
Options:
A. climates
B. spores
C. pollinators
D. predators
Answer: | C |
null | Question: What is the photosynthesis factory of the plant?
Options:
A. stamen
B. pistil
C. genome
D. chloroplast
Answer: | D |
null | Question: Organs are groups of what working together?
Options:
A. tissues
B. bones
C. muscles
D. tendons
Answer: | A |
null | Question: In what organ does pepsin help break down proteins?
Options:
A. kidney
B. liver
C. skin
D. stomach
Answer: | D |
null | Question: What causes holes in bread?
Options:
A. moisture
B. heat
C. alcohol fermentation
D. yeast fermentation
Answer: | D |
null | Question: While still an early fetus, what is the skeleton made of?
Options:
A. ligament
B. cartilage
C. membrane
D. gel
Answer: | B |
null | Question: Gabbro is a dark dense rock that can be found in what?
Options:
A. soil
B. mantle
C. surface crust
D. oceanic crust
Answer: | D |
null | Question: When naming this type of ion the ending of the element’s name is dropped and replaced with the – ide suffix?
Options:
A. oxides
B. amines
C. cations
D. anions
Answer: | D |
null | Question: Some reactions need extra help to occur quickly. they need another substance called what?
Options:
A. hormone
B. neurotransmitter
C. a catalyst
D. protein
Answer: | C |
null | Question: What would you need to see most cells?
Options:
A. microscope
B. ultraviolet
C. infrared
D. mirror
Answer: | A |
null | Question: Phosphate-containing ocean sediments form primarily from the bodies of ocean organisms and from their what?
Options:
A. blood
B. ancestors
C. excretions
D. skeletons
Answer: | C |
null | Question: What do you call it when adult fish of the same species come together in a group and release gametes into the water at the same time?
Options:
A. schoaling
B. migration
C. poaching
D. spawning
Answer: | D |
null | Question: What disease is unpreventable in the type one form but may be prevented by diet if it is of the second type?
Options:
A. Cancer
B. Obesity
C. TB
D. diabetes
Answer: | D |
null | Question: Each myofibril is made up of two types of proteins, called actin and what?
Options:
A. dynein
B. myosin
C. Fatty Acid
D. elongation
Answer: | B |
null | Question: What do seeds have that spores do not?
Options:
A. a supply of stored food
B. chlorophyll
C. DNA
D. pollenators
Answer: | A |
null | Question: What gland secretes growth hormones?
Options:
A. adrenal
B. pineal
C. pituitary
D. thyroid
Answer: | C |
null | Question: What are the sporophytes in ferns?
Options:
A. cycles
B. leafy plants
C. leaves
D. spores
Answer: | B |
null | Question: What is the scientific name of the thighbone, the longest, heaviest, and strongest bone in the body?
Options:
A. humerus
B. tibia
C. fibula
D. femur
Answer: | D |
null | Question: What are the special compartments that are surrounded by membranes inside eukaryotic cells called?
Options:
A. chloroplasts
B. vacuoles
C. ribosomes
D. organelles
Answer: | D |
null | Question: When electrons move from one atom to another, they become what?
Options:
A. particles
B. ions
C. neons
D. atoms
Answer: | B |
null | Question: What term is used to describe the variety of life and its processes, including the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur?
Options:
A. habitat
B. biosphere
C. evolution
D. biodiversity
Answer: | D |
null | Question: What is the atomic number?
Options:
A. Number of neutrons
B. number of protons
C. Number of electrons
D. Speed of electrons
Answer: | B |
null | Question: The anion is the methanoate ion, which is commonly called the what?
Options:
A. formate ion
B. isomer
C. glutathione ion
D. metabolized ion
Answer: | A |
null | Question: What system is responsible for defending your body against sickness?
Options:
A. digestion system
B. immune system
C. circulatory system
D. nervous system
Answer: | B |
null | Question: What is the term for the stalk connecting a leaf to a stem?
Options:
A. petiole
B. cuticle
C. base
D. blades
Answer: | A |
null | Question: What type of receptors, also known as intracellular or cytoplasmic receptors, are found in the cytoplasm of the cell and respond to hydrophobic ligand molecules that are able to travel across the plasma membrane?
Options:
A. internal
B. mechanical
C. external
D. essential
Answer: | A |
null | Question: Unlike the cells of plants and fungi, animal cells lack what?
Options:
A. mitochondria
B. flagella
C. cell wall
D. nuclei
Answer: | C |
null | Question: What distinctive dna shape forms when the two nucleotide chains wrap around the same axis?
Options:
A. double spiral
B. chain helix
C. double helix
D. single spiral
Answer: | C |
null | Question: What do glands in the skin produce to cool down the body?
Options:
A. lactic acid
B. saliva
C. mucus
D. sweat
Answer: | D |
null | Question: When an unstable nucleus emits radiation and is transformed into the nucleus of other elements this is called?
Options:
A. fusion decay
B. naturally decay
C. explosive decay
D. radioactive decay
Answer: | D |
null | Question: What is energy from the sun called?
Options:
A. kinetic energy
B. potential energy
C. solar energy
D. thermodynamic energy
Answer: | C |
null | Question: Each line in a structural formula represents a pair of shared what?
Options:
A. electrons
B. waves
C. ions
D. atoms
Answer: | A |
null | Question: What is it called when a human has an extra autosome?
Options:
A. monosomy
B. mosaicism
C. trisomy
D. polysomy
Answer: | C |
null | Question: While in the lungs, blood gives up carbon dioxide and picks up what element before returning to the heart?
Options:
A. nitrogen
B. hydrogen
C. oxygen
D. methane
Answer: | C |
null | Question: Why are goose feathers preferred for stuffing by manufacturers?
Options:
A. softness
B. thickness
C. smoothness
D. multi layers build up
Answer: | A |
null | Question: What results when a force does work?
Options:
A. pressure
B. movement
C. side effect
D. momentum
Answer: | B |
null | Question: What is the name for a molecule with two atoms?
Options:
A. covalent
B. hydrostatic
C. ionized
D. diatomic
Answer: | D |
null | Question: What is the state of matter that resembles a gas, but is made of ions, giving it different properties than a typical gas?
Options:
A. plasma
B. acid
C. gamma
D. vapor
Answer: | A |
null | Question: What does the kinetic-molecular theory describe the behavior of?
Options:
A. a liquid
B. a solid
C. a compound
D. an ideal gas
Answer: | D |
null | Question: What model describes the structure of the plasma membrane as a mosaic of components?
Options:
A. solid mosaic model
B. sensors mosaic model
C. fluid mosaic model
D. coolant mosaic model
Answer: | C |
null | Question: Both endotherms and ectotherms control what through behavioral responses to changes in the environment?
Options:
A. sleep cycles
B. hormones
C. body temperature
D. gas temperature
Answer: | C |
null | Question: What is the first part of the large intestine called?
Options:
A. colon
B. jejunum
C. cecum
D. duodenum
Answer: | C |
null | Question: Rna is especially important during synthesis of what?
Options:
A. sulfur
B. glucose
C. mitochondria
D. protein
Answer: | D |
null | Question: What do aquatic mollusk species use for respiration?
Options:
A. pores
B. lungs
C. phototropism
D. gills
Answer: | D |
null | Question: People with which skin type run a greater risk of vitamin d deficiency?
Options:
A. lighter skin
B. darker skin
C. weaker skin
D. brighter skin
Answer: | B |
null | Question: What is the state of matter that resembles a gas but has certain properties that a gas does not have called?
Options:
A. liquid
B. fluid
C. solid
D. plasma
Answer: | D |
null | Question: What are the two types of vascular tissues found in vascular plants?
Options:
A. ectoderm and phloem
B. xylem and chloroplasm
C. xylem and phloem
D. cytoplasm and chloroplasm
Answer: | C |
null | Question: How many chromosomes are in a diploid human cell?
Options:
A. 47
B. 46.63 chromosomes
C. 46 chromosomes
D. 41
Answer: | C |
null | Question: What is a collection of fibrin, platelets, and erythrocytes that has accumulated along the lining of a blood vessel called?
Options:
A. clots
B. atherosclerosis
C. thrombus
D. embolus
Answer: | C |
null | Question: What branch of physics deals with the smallest units of elements and compounds?
Options:
A. oxygen
B. atomic
C. gravity
D. quantum
Answer: | B |
null | Question: The fluid surrounding cells is hemolymph in insects and other animals with an open type of what system?
Options:
A. lymphatic
B. circulatory
C. pulmonary
D. vascular
Answer: | B |
null | Question: Chemical elements and water are constantly recycled in the ecosystem through what?
Options:
A. inorganic cycles
B. biogeochemical cycles
C. greenhouse gases
D. geothermal cycles
Answer: | B |
null | Question: What term describes the application of knowledge to real-world problems and is practiced by engineers?
Options:
A. mechanisms
B. invention
C. technology
D. science
Answer: | C |
null | Question: What is the double-membrane structure that constitutes the outermost portion of the nucleus?
Options:
A. energy envelope
B. energy fold
C. nuclear fold
D. nuclear envelope
Answer: | D |
null | Question: How are weather patterns formed?
Options:
A. uneven heating of the atmosphere
B. pollution from planes
C. carbon dioxide
D. the moon's gravitational pull
Answer: | A |
null | Question: What type of stratified deposit is formed where lakes are covered by ice in the winter?
Options:
A. telomeres
B. tangles
C. glacier
D. varves
Answer: | D |
null | Question: Light bends when it passes in from what to what?
Options:
A. air to water
B. product to water
C. water to air
D. air to ground
Answer: | A |
null | Question: What is the process in which a liquid boils and changes to a gas?
Options:
A. sublimation
B. melting
C. vaporization
D. freezing
Answer: | C |
null | Question: What occurs when two opposite charges are separated by some amount of distance?
Options:
A. diffusion
B. particle
C. radioactivity
D. dipole
Answer: | D |
null | Question: A supervolcano that may have killed all but 10,000 humans resulted in what phenomenon, lasting up to a decade?
Options:
A. volcano fall
B. volcanic summer
C. volcanic winter
D. volcano spring
Answer: | C |
null | Question: The stems of all vascular plants get longer through primary growth. this occurs in primary meristem at the tips and ______ of the stems.
Options:
A. layers
B. edges
C. nodes
D. bottoms
Answer: | C |
null | Question: Because alkali metals are so reactive, they are found in nature only in ________ with other elements?
Options:
A. cooperation
B. isolation
C. competition
D. combination
Answer: | D |
null | Question: Billions of what inside the human digestive tract help us digest food, make vitamins and play other important roles?
Options:
A. red blood cells
B. bacteria
C. viruses
D. neurons
Answer: | B |
null | Question: What kind of waves travel through liquids and solids as well as air?
Options:
A. mind waves
B. sound waves
C. radio waves
D. light waves
Answer: | B |
null | Question: The north end of a compass needle points toward which of earth's magnetic poles?
Options:
A. west
B. north
C. west
D. south
Answer: | B |
null | Question: What can be used to determine the mass of a quantity of material?
Options:
A. atomic masses
B. molar masses
C. inertial mass
D. gravitational mass
Answer: | B |
null | Question: What is the name of the process in which both the system and its environment can return to exactly the states they were in by following the reverse path?
Options:
A. reversible process
B. Different Process
C. Remote process
D. conductive process
Answer: | A |
null | Question: Rising air currents carry water vapor into what?
Options:
A. stratosphere
B. atmosphere
C. ionosphere
D. troposphere
Answer: | B |
null | Question: Intermediate filaments tend to give the structural stability to what?
Options:
A. cells
B. nerves
C. proteins
D. muscles
Answer: | A |
null | Question: Which ocean zone is the narrow strip along a coastline that is covered by water at high tide and exposed to air at low tide?
Options:
A. intertidal zone
B. deep zone
C. calcareous zone
D. miniscule zone
Answer: | A |
null | Question: Atomic emission spectra are produced when excited electrons return to what state?
Options:
A. side state
B. ground state
C. orbital state
D. work state
Answer: | B |
null | Question: Like quarks, gluons may be confined to systems having a total color of what?
Options:
A. yellow
B. blue
C. red
D. white
Answer: | D |
null | Question: Connected to agriculture, forestry, mining, and urbanization, what is the single biggest cause of extinction today?
Options:
A. global warming
B. habitat loss
C. hunting
D. freshwater loss
Answer: | B |
null | Question: What is the temperature at which condensation of water vapor occurs called?
Options:
A. the boiling point
B. the dew point
C. the tipping point
D. the cooling point
Answer: | B |
null | Question: Bacteria are what kind of cell?
Options:
A. prokaryotes
B. eukaryotes
C. protists
D. blood
Answer: | A |
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