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Question: With what does an electromagnetic wave start? Options: A. kinetic energy B. battery C. vibrating charged particle D. static charged particle Answer:

C

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

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

Question: The simplest organic compounds are known as what? Options: A. nucleotides B. hydrocarbons C. carbohydrates D. amino acids Answer:

B

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

Question: Most cases of syphilis can be cured with what? Options: A. vitamins B. enzymes C. abstinence D. antibiotics Answer:

D

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

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

Question: How many more legs do spiders have compared to insects? Options: A. four B. two C. six D. one Answer:

B

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

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

Question: What system includes the brain and the spinal cord? Options: A. muscular B. digestive C. lymbic D. central nervous Answer:

D

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

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

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

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

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

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

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

Question: What are long living plasma cells called? Options: A. brain Cells B. memory cells C. device cells D. context cells Answer:

B

Question: What type of fertilization do most reptiles have? Options: A. external B. budding C. spawning D. internal Answer:

D

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

Question: What magnetism is produced by electricity? Options: A. excitation B. Charges C. electromagnetism D. diffusion Answer:

C

Question: What category of food includes sugars, starches and fibers? Options: A. alcohols B. proteins C. enzymes D. carbohydrates Answer:

D

Question: What is another term for stored energy? Options: A. potential energy B. inertia C. mechanical energy D. latency Answer:

A

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

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

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

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

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

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

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

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

Question: What are the largest known proteins called? Options: A. obscures B. aminos C. titins D. sporozoans Answer:

C

Question: What are formed by atoms gaining electrons? Options: A. oxides B. ions C. cations D. anions Answer:

D

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

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

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

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

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

Question: What is mollusks complete digestive system called? Options: A. thallus B. vesicle C. choroid D. coelom Answer:

D

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

Question: What planet is a blue green color? Options: A. Mars B. Mercury C. sirius D. uranus Answer:

D

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

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

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

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

Question: How do they classify tornadoes? Options: A. wind temperature B. wind density C. amount of destruction D. wind speed Answer:

D

Question: What are the main organs for breathing in a mammal? Options: A. lungs B. gills C. nostrils D. intestines Answer:

A

Question: Almost all leaves are specialized for what process? Options: A. sex B. reactions C. photosynthesis D. measurements Answer:

C

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

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

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

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

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

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

Question: When does coal release most of its energy? Options: A. when falling B. when forming C. when burning D. when compressed Answer:

C

Question: What branch of biology uses fossils to study life’s history? Options: A. gerontology B. paleontology C. entomology D. morphology Answer:

B

Question: What is a random change in an organism's genes? Options: A. infection B. accumulation C. meiosis D. mutation Answer:

D

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

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

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

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

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

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

Question: What type of charge do electrons have? Options: A. positive B. bipolar C. neutral D. negative Answer:

D

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

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

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

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

Question: Primary batteries are single-use batteries because they cannot be what? Options: A. UP ticked. B. recharged C. plugged D. refreshed Answer:

B

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

Question: What type of rain dissolves limestone and marble? Options: A. natural B. sulfur C. acid D. carbon Answer:

C

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

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

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

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

Question: What is the skeleton of the cell? Options: A. cell membrane B. cytoskeleton C. cell wall D. cytoplasm Answer:

B

Question: E. coli need what kind of acids to survive? Options: A. bacterial B. hydrochloric C. boric D. amino Answer:

D

Question: When a hypothesis is repeatedly confirmed, what can it then become? Options: A. evolution B. Thesis C. study D. theory Answer:

D

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

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

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

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

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

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

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

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

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

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

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

Question: The development of a head region is called what? Options: A. trichina B. cocklebur C. cephalization D. spore Answer:

C

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

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

Question: What are subatomic particles of the nucleus called? Options: A. cores B. isotopes C. baryons D. nucleons Answer:

D

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

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

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

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

Question: An electrostatic attraction between two ions that have exchanged what? Options: A. protons B. neutrons C. electrons D. quasars Answer:

C