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Question: What do we call the cartilaginous structure that surrounds the notochrod? Options: A. osteocytes B. clavicle C. arcualia D. membrane Answer:
C
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Question: When a rock is altered by heat from a nearby magma, what occurs? Options: A. contact metamorphism B. form metamorphism C. sublimation D. evaporation Answer:
A
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Question: What does photosynthesis change light energy into? Options: A. carbon energy B. electrical energy C. radiation energy D. chemical energy Answer:
D
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Question: The head, thorax, and abdomen comprise what type of body structure, possessed by arthropods? Options: A. vertebrate B. elongated C. segmented D. permeable Answer:
C
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Question: Cooling a mixture of equal parts nitric oxide and nitrogen dioxide to −21 °c produces what? Options: A. carbon trioxide B. dinitrogen trioxide C. chloride trioxide D. nitrate trioxide Answer:
B
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Question: What are the mass of threadlike filaments on the body of a fungus called? Options: A. dendrites B. cytoplasm C. hyphae D. cuticle Answer:
C
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Question: How many atmospheric circulation cells are there? Options: A. two B. five C. three D. six Answer:
D
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Question: What type of physical properties of a substance do not depend on amount? Options: A. intensive B. stable C. extensive D. inherent Answer:
A
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Question: One of the earliest air pumps was made by? Options: A. Galileo B. Isaac Newton C. Niels Bohr D. robert boyle Answer:
D
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Question: What part of an egg contains the genetic material ? Options: A. here.the nucleus B. the nucleus C. the sperm D. the fetus Answer:
B
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Question: What is the usual treatment for acute bronchitis? Options: A. physical therapy B. pesticides C. antibiotics D. surgery Answer:
C
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Question: Three-prong plugs, circuit breakers, and gfci outlets are safety features that recognize the danger of what? Options: A. gravity B. electricity C. heat D. magnetism Answer:
B
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Question: What is the name of the the most efficient possible engine? Options: A. excitation engine B. carnot engine C. ventilation engine D. diesel engine Answer:
B
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Question: What processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head? Options: A. lateral B. vertical C. articular D. anterior Answer:
C
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Question: In a carbon triple bond, how many pairs of electrons are shared? Options: A. two B. one C. four D. three Answer:
D
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Question: What is another name for mother of pearl? Options: A. calcium B. pigment C. enamel D. nacre Answer:
D
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Question: Electric motors transform electrical energy into what other form of energy? Options: A. kinetic B. solar C. thermal D. magnetic Answer:
A
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Question: What type of metal is a good conductor of electricity? Options: A. Tin B. zinc C. copper D. Aluminium Answer:
C
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Question: Which way does an electric charge always move from? Options: A. like to like B. diagonally C. higher to lower D. low to high Answer:
C
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Question: Microscopes were first developed in the early 1600s by this trade? Options: A. watch makers B. food makers C. polyurethane makers D. eyeglass makers Answer:
D
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Question: What is the most abundant type of biological entity on the earth? Options: A. viruses B. insects C. reptiles D. bacteria Answer:
A
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Question: Most ferns produce the same type of spores and are therefore called what? Options: A. heterosporous B. seeds C. homosporous D. sporozoans Answer:
C
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Question: Arterioles receive blood from arteries, which are vessels with a much larger lumen. as their own lumen averages just 30 micrometers or less, arterioles are critical in slowing down—or resisting—blood flow. the arterioles can also constrict or dilate, which varies their what? Options: A. gravity B. advantage C. osmosis D. resistance Answer:
D
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Question: The process of photosynthesis ultimately gets powered by what kind of energy? Options: A. nonrenewable energy B. electricity C. biofuel D. light Answer:
D
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Question: The term "environment of deposition" is useful for understanding the characteristics of what type of rock? Options: A. meteor B. sedimentary C. glacial D. limestone Answer:
B
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Question: What is algae easier to covert into that corn is currently used for? Options: A. food B. sugar C. oil D. fuel Answer:
D
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Question: What do a group of cells that work together form? Options: A. organ B. organelle C. molecule D. tissue Answer:
D
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Question: Which two gases make up the bulk of earth's atmosphere? Options: A. nitrogen and argon B. carbon and oxygen C. nitrogen and oxygen D. phosphorus and oxygen Answer:
C
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Question: Green algae and land plants are closely what? Options: A. unrelated B. foreign C. related D. different Answer:
C
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Question: What instrument, with a digital readout, is used by scientists to measure very small masses? Options: A. electronic balance B. mixed balance C. common balance D. mechanical balance Answer:
A
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Question: Because sound waves must move through a medium, there are no sound waves in a what? Options: A. vacuum B. liquid C. gas D. solid Answer:
A
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Question: What type of electrons are electrons that are not confined to the bond between two atoms? Options: A. delocalized B. internalized C. detached D. virtualized Answer:
A
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Question: How many different types of taste can be detected by taste buds? Options: A. five B. two C. three D. hundreds Answer:
A
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Question: Ants, termites, bees, and wasps live in what type of social structure that may include millions of individual insects? Options: A. colony B. habitat C. family D. community Answer:
A
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Question: Club mosses, horsetails, ferns, and whisk ferns are examples of what type of plants? Options: A. angiosperms B. gymnosperms C. seedless vascular plants D. cycads Answer:
C
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Question: Changing levels of what substances partly explain emotional ups and downs in teens? Options: A. hormones B. acids C. nutrients D. enzymes Answer:
A
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Question: What is paleobotany? Options: A. study of fresh plants B. study of new plants C. study of extinct plants D. study of diseased plants Answer:
C
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Question: Segmented worms have a digestive,nervous and what type of system? Options: A. circulatory B. lymphatic C. pulmonary D. vascular Answer:
A
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Question: What forms after air cools below its dew point? Options: A. fog B. sleet C. plasma D. smoke Answer:
A
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Question: In the small intestine, chyme mixes with bile, which emulsifies what substances? Options: A. sugars B. acids C. proteins D. fats Answer:
D
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Question: What process do all species use to make the next generation? Options: A. differentiation B. reproduction C. separation D. variation Answer:
B
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Question: What nucleic acid stores the genetic information? Options: A. molecule B. Ribosomes C. Nucleus D. dna Answer:
D
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Question: The simplest and smallest particle of matter that still has chemical properties of the element is called? Options: A. an atom B. a molecule C. an isotope D. a nucleus Answer:
A
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Question: What are the hormones that cause a plant to grow? Options: A. sporozoans B. pistills C. pores D. gibberellins Answer:
D
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Question: The structures of both trifluoramine and hydroxylamine are similar to that of what? Options: A. nitrogen B. hydrogen C. magnesium D. ammonia Answer:
D
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Question: What was the first amino acid to be isolated? Options: A. asparagine B. histamine C. glutathione D. histon Answer:
A
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Question: What are cyclins made up of? Options: A. group of proteins B. enzymes C. steroids D. group of sugars Answer:
A
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Question: What is used for the fermentation process that makes beer, wine, and bread? Options: A. yeast B. whey C. barley D. fungi Answer:
A
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Question: Which process helps microorganisms make food with chemicals pouring out of deep-sea vents? Options: A. synaptogenesis B. chemosynthesis C. biosynthesis D. photosynthesis Answer:
B
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Question: What branch of science is the study of human origins? Options: A. paleoanthropology B. palaeobiology C. pharmacology D. biology Answer:
A
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Question: Carbon fixation is the first step of what cycle involving light reactions? Options: A. life cycle B. calvin cycle C. sun cycle D. water cycle Answer:
B
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Question: Wich disorder arises when defective valves allow blood to accumulate within the veins? Options: A. cataracts veins B. bulging veins C. varicose veins D. vascular disease Answer:
C
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Question: In physics, what do you call devices that make work easier? Options: A. circuits B. levers C. tools D. machines Answer:
D
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Question: In the first beaker, distilled water does not conduct a current because water is a what? Options: A. pure element B. molecular compound C. solute D. magnetic compound Answer:
B
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Question: A point defect can be an atom missing from a site in the crystal known as a what? Options: A. vacuum B. void C. vacancy D. deficiency Answer:
C
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Question: Sulfur can combine with oxygen to produce what? Options: A. sulfur oxide B. sulfur dioxide C. sulfur bioxide D. sulfur trioxide Answer:
D
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Question: Non-human organisms that mainly consume plants/other primary producers are known as what? Options: A. omnivores B. amphibians C. herbivores D. carnivores Answer:
C
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Question: In which part of a bird stomach is food stored, soaked and mechanically ground? Options: A. gizzard B. digestion C. pancreas D. Gall bladder Answer:
A
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Question: The extracellular fluid is in contact with the axon membrane only at what location? Options: A. dendrites B. Sensory Receptors C. synapses D. the nodes Answer:
D
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Question: Shivering and adipose tissue called brown fat are used by mammals in particular to produce what? Options: A. energy B. heat C. nutrition D. blood Answer:
B
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Question: Respiration that occurs in the cells is called? Options: A. biological respiration B. plasma respiration C. electromagnetic respiration D. cellular respiration Answer:
D
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Question: Atoms with the same atomic number but different mass numbers are called what? Options: A. reactions B. isotopes C. organisms D. tropes Answer:
B
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Question: The two general functions of roots in plants are to anchor and to do what else? Options: A. absorb B. generate C. photosynthesis D. grow Answer:
A
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Question: How much work is done when a force is applied in a different direction than the direction of movement? Options: A. half B. minimum C. none D. full Answer:
C
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Question: Where does most of the earth's energy come from? Options: A. heat B. cover C. sun D. fire Answer:
C
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Question: Which organelle is made up of 5 to eight cup shaped, membrane covered stacks of discs known as cisternae? Options: A. vacuole B. nucleus C. golgi apparatus D. endoplasmic reticulum Answer:
C
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Question: Different isotopes of an element have different mass numbers because they have different numbers of what? Options: A. electrons B. protons C. nuclei D. neutrons Answer:
D
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Question: Cardiac muscle is found only in which part of the heart? Options: A. the ridges B. the bottom C. the left side D. the walls Answer:
D
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Question: What is an atom or group of bonded atoms that has a positive or negative charge? Options: A. a neutron B. an electron C. an photon D. an ion Answer:
D
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Question: In eukaryotic cells, molecules such as enzymes are usually compartmentalized into different what? Options: A. atoms B. organisms C. electrons D. organelles Answer:
D
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Question: Bond lengths are intermediate between covalent single bonds and what? Options: A. covalent double bonds B. gravitational double bonds C. wavefunction double bonds D. trivalent bonds Answer:
A
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Question: What is the average kinetic energy of particles of matter? Options: A. temperature B. momentum C. magnetism D. friction Answer:
A
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Question: The genetic code is universal, unambiguous, and what else? Options: A. novel B. redundant C. functional D. efficient Answer:
B
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Question: White blood cells called what travel to areas of the body that are inflamed? Options: A. spirochetes B. gametocytes C. phagocytes D. platelets Answer:
C
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Question: What is the term for the force of attraction between things that have a mass? Options: A. gravity B. motion C. weight D. magnetism Answer:
A
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Question: What drives the turbine in a thermonuclear reactor? Options: A. heated oil B. wind energy C. heated water or steam D. magnets Answer:
C
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Question: What is a three-dimensional anticline called? Options: A. volcano B. cyclone C. dome D. cave Answer:
C
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Question: The high points of a transverse wave are called what? Options: A. ridges B. points C. valleys D. crests Answer:
D
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Question: Bones consist of four types of tissue, compact bone, spongy bone, bone marrow, and what? Options: A. epithelium B. plasma C. collagen D. periosteum Answer:
D
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Question: What happens to the rate of chemical reactions in higher temperatures? Options: A. they increase B. they decrease C. they become erratic D. they stop Answer:
A
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Question: An individual with the appropriate number of what for their species is called euploid; abnormalities in this number include trisomy and monosomy? Options: A. ribosomes B. neutrons C. genes D. chromosomes Answer:
D
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Question: What genetic unit is formed when the dna double helix wraps around proteins and tightly coils a number of times? Options: A. chromosome B. neutron C. atom D. gene Answer:
A
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Question: What tube carries urine out of the body? Options: A. urethra B. uterus C. fallopian tube D. kidney Answer:
A
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Question: Fractures and faults are terms you hear when talking about? Options: A. volcanoes B. earthquakes C. magnets D. storms Answer:
B
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Question: What do you call the space around a charged particle where the particle exerts electric force on other charged particles? Options: A. charged field B. electric field C. melodic field D. powered field Answer:
B
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Question: In addition to a nucleus what do eukaryotic cells have? Options: A. organelles B. nutrons C. protons D. electrons Answer:
A
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Question: What do you call a pure substance that cannot be broken down into different types of substances? Options: A. molecule B. compound C. element D. sample Answer:
C
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Question: Echinoderms are marine organisms that make up which phylum? Options: A. echinodermata B. annelida C. chordata D. cnidaria Answer:
A
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Question: What property means that something can return to its original shape after being stretched or compressed? Options: A. friction B. homeostasis C. elasticity D. viscosity Answer:
C
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Question: What are the two most common silicates? Options: A. feldspar and quartz B. Olivine and quartz C. Micas and quartz D. Micas and feldspar Answer:
A
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Question: In what state of matter is butter at room temperature? Options: A. liqued B. gas C. solid D. gel Answer:
C
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Question: Electrons are located at fixed distances from the nucleus, what are they called? Options: A. Energy layers B. Positive levels C. energy concentrations D. energy levels Answer:
D
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Question: Maintaining a balance inside the body or cells of organisms is known as? Options: A. consciousness B. homeostasis C. ketosis D. equanimity Answer:
B
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Question: Supersaturated solutions of most solids in water are prepared by cooling what? Options: A. mineral solutions B. saturated solutions C. plasma solutions D. dense solutions Answer:
B
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Question: What system lets flatworms maintain a proper balance of water and salts? Options: A. homeostasis B. excretory C. digestive D. nervous Answer:
B
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Question: During what process is light from the star focused and the star appears to brighten in a characteristic manner? Options: A. spectrometry B. excitation C. microlensing D. macrolensing Answer:
C
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Question: At any specific time, the rate at which a reaction is proceeding is known as its what? Options: A. emitted rate B. spontaneous rate C. immediate rate D. instantaneous rate Answer:
D
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Question: When a solution freezes, only what particles come together to form a solid phase, while the presence of solute particles interferes with that process? Options: A. pigment B. hydrogen C. solvent D. diluent Answer:
C
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Question: What normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus, but may be overcome by kinetic energy?. Options: A. evaporation repulsions B. kinetic repulsions C. toxic repulsion D. electrostatic repulsions Answer:
D
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Question: What was the early study of chemistry called? Options: A. magic systems B. pharmacology C. horticulture D. alchemy Answer:
D