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Question: Plants supply, ultimately, most of the food eaten by terrestrial animals, along with what gas? Options: A. carbon dioxide B. oxygen C. hydrogen D. nitrogen Answer:

B

Question: Gametogenesis, the production of sperm and eggs, takes place through the process of this? Options: A. meiosis B. mutations C. osmosis D. gametes Answer:

A

Question: What is the name of a microorganism that is considered important for living resources in all ecosystem? Options: A. pathogens B. bacteria C. protozoa D. archaea Answer:

B

Question: Broca’s area, responsible for the production of language or controlling movements responsible for speech, is nearly always located on what side of the brain? Options: A. Hand B. left C. back D. half Answer:

B

Question: Light is scattered from what in our atmosphere? Options: A. molecules B. particles C. matter D. ions Answer:

A

Question: What is the largest mineral group, comprising over 90% of earth's crust? Options: A. soils B. carbonates C. oxides D. silicates Answer:

D

Question: What can be hard or even impossible to perform in a scientific sense? Options: A. experiments B. idea C. theorys D. hypothesises Answer:

A

Question: About what percentage of the earth's water is fresh water? Options: A. nine percent B. two percent C. thirty percent D. three percent Answer:

D

Question: When populations get close to the carrying capacity, what happens to growth? Options: A. halts B. slows C. dies D. spikes Answer:

B

Question: Chitin is a substance that is found in what part of animals like beetles and lobsters? Options: A. tails B. shell C. eggs D. brains Answer:

B

Question: Capillaries are narrow-diameter tubes that can fit red blood cells through in single file and are the sites for the exchange of what? Options: A. proteins B. fluids C. nutrients D. components Answer:

C

Question: The frequency of a wave is the reciprocal of what other attribute of the wave? Options: A. term B. amplitude C. period D. length Answer:

C

Question: Oceans are divided into zones bases on distance from shore and what other factor? Options: A. temperature B. water depth C. salinity D. animal species Answer:

B

Question: Elongation is the addition of what to the mrna strand? Options: A. codons B. glycine C. filaments D. nucleotides Answer:

D

Question: What occurs as a result of the discharge of static electricity? Options: A. thunder B. clouds C. drought D. lightning Answer:

D

Question: The electronegativity of an element increases with increasing of what state? Options: A. evaporation B. conduction C. oxidation D. isolation Answer:

C

Question: What form the skeletons of most organic molecules? Options: A. amino acid chains B. hydrocarbons C. peptide groups D. carbon chains Answer:

D

Question: The subducting oceanic plate does what as it reenters the mantle? Options: A. disappers B. evaporates C. melts D. freezes Answer:

C

Question: The electron beam scans the surface of the sample, usually coated with a thin film of which metal? Options: A. copper B. silver C. gold D. platinum Answer:

C

Question: What type of planet is jupiter? Options: A. a phantom B. a noble gas C. a gas giant D. a red dwarf Answer:

C

Question: What results from the evaporation of sea water? Options: A. reef B. oxygen C. salt D. carbon-di-oxide Answer:

C

Question: What do you call an area covered with water, or possessing very soggy soil, all or part of the year? Options: A. wetland B. peninsula C. island D. stream Answer:

A

Question: What is the basic unit of computer memory? Options: A. Megabyte B. Teraybte C. byte D. Bit Answer:

C

Question: What material comprises the sun and other stars, as well as lightning and the northern lights? Options: A. gas B. gamma C. plasma D. aurora Answer:

C

Question: What type of hybridization does ammonia undergo? Options: A. h2O hybridization B. ionic hybridization C. sp 3 hybridization D. nh3 hybridization Answer:

C

Question: The chloroplasts contained within the green algal endosymbionts still are capable of what process associated with plants? Options: A. reproduction B. respiration C. photosynthesis D. germination Answer:

C

Question: Rudolf virchow developed the hypothesis that cells only come from other cells in what year? Options: A. 1848 B. 1858 C. 1868 D. 1898 Answer:

B

Question: In animals, what process occurs only in germ cells, which are in the ovaries or testes? Options: A. meiosis B. reproduction C. mitosis D. electrolysis Answer:

A

Question: Most, if not all, of the extant animal phyla today evolved during the cambrian period, yet many of what devastating events have taken place since then? Options: A. earthquakes B. starvations C. mass extinctions D. life extinctions Answer:

C

Question: Lipids are also know by what name? Options: A. sugars B. acids C. fats D. proteins Answer:

C

Question: Larger animals expend more of what to achieve locomotion? Options: A. energy B. distance C. time D. neurons Answer:

A

Question: A winter storm is called what? Options: A. gale B. snow storm C. tempest D. blizzard Answer:

D

Question: Linnaeus developed binomial nomenclature, which means each organism is assigned what? Options: A. complex name B. single name C. simple name D. two-part name Answer:

D

Question: If a machine only changes the direction of a force without changing the ratio of the output/input forces, then what is its associated mechanical advantage? Options: A. 1 B. 1.5 C. 4 D. 2 Answer:

A

Question: What sustains the fetus while it grows inside the mother’s uterus? Options: A. endometrium B. placenta C. bacteria D. mitochondria Answer:

B

Question: All carbon atoms have how many protons? Options: A. two B. one C. six D. eight Answer:

C

Question: The entire range of light that can be seen by the human eye without aid is known as what kind of light? Options: A. colored light B. visible light C. infrared light D. white light Answer:

B

Question: Animal-like protists are called what? Options: A. bacteria B. protozoa C. genus D. larvae Answer:

B

Question: What type of rock contains concentrations of valuable minerals? Options: A. igneous B. ores C. sedimentary D. metamorphic Answer:

B

Question: What is the inner layer of skin called? Options: A. the epidermis B. the dermis C. connective layer D. hypodermis Answer:

B

Question: What determines velocity? Options: A. distance over time in a given direction B. mass per unit C. change in direction D. direction Answer:

A

Question: What small glands are abundant within the mucous membranes of the mouth and tongue? Options: A. salivary glands B. retinal glands C. hypothalamus glands D. localized glands Answer:

A

Question: Amides are carbonyls attached to one nitrogen atom and one carbon or which other atom? Options: A. calcium B. helium C. nitrogen D. hydrogen Answer:

D

Question: Some metals, such as gold and platinum, do not corrode easily because they are very resistant to what? Options: A. evaporation B. oxidation C. precipitation D. heat Answer:

B

Question: What are all tissues external to the vascular cambium called? Options: A. bark B. nucleus C. larvae D. membranes Answer:

A

Question: What branch of physical science looks at how heat, work, and various forms of energy are related to one another? Options: A. photosynthesis B. frigidity C. transformations D. thermodynamics Answer:

D

Question: All waves are the way energy travels through what? Options: A. matter B. vacuums C. space D. time Answer:

A

Question: Carbon dioxide does not rise like other gases because it has a density greater than what? Options: A. water B. gravity C. light D. air Answer:

D

Question: Coal, oil, and natural gas are examples of what, which forms when organic matter is under pressure for millions of years? Options: A. nuclear fission B. complex carbohydrates C. fossil fuels D. solar fuels Answer:

C

Question: Modern members of what broad animal group live in many different habitats and are found on every continent except antarctica? Options: A. amphibians B. parasites C. reptiles D. arachnids Answer:

C

Question: What term in biotechnology means a genetically exact copy of an organism? Options: A. adult B. clone C. male D. phenotype Answer:

B

Question: What are the basic building blocks of the human body? Options: A. minerals B. cells C. proteins D. vitamins Answer:

B

Question: What are the large segments of the earth’s crust that ordinarily move very slowly? Options: A. tectonic plates B. distinct plates C. ocean plates D. lava plates Answer:

A

Question: Birds have a relatively large heart and a rapid what? Options: A. digestive process B. heart rate C. lifespan D. blink rate Answer:

B

Question: Algae are like plants mainly because they contain what? Options: A. cell wall B. cells C. organelles D. chloroplasts Answer:

D

Question: Where does the stratosphere get most of its heat? Options: A. earth B. volcanoes C. time D. sun Answer:

D

Question: What is it called when electrons are shared equally? Options: A. metabolized bonds B. nonpolar bonds C. helices bonds D. polar bonds Answer:

B

Question: What are the substances that the body needs for energy, building materials, and control of body processes? Options: A. tissues B. gases C. nutrients D. liquids Answer:

C

Question: Common among mammals and insects, pheromones are often related to what type of behavior? Options: A. immune B. cardiac C. reproductive D. aggressive Answer:

C

Question: What is the process that moves particles by rolling or dragging along the bottom of the water? Options: A. traction B. compression C. compaction D. isolation Answer:

A

Question: What a mixture of nitric acid and hydrochloric acid? Options: A. aqua regia B. acidus regia C. crystal regia D. sulfate regia Answer:

A

Question: How many centimeters are in a meter? Options: A. 1000 B. 100 C. 50 D. 200 Answer:

B

Question: What can human facial expressions communicate? Options: A. theories B. behaviors C. ideas D. emotions Answer:

D

Question: Mating with no strong pair-bonds is called? Options: A. heterogeneous B. promiscuous C. covalent D. mutual Answer:

B

Question: What process of allows multicellular organisms to grow and repair themselves? Options: A. proteins division B. cell division C. atom split D. DNA division Answer:

B

Question: The overall purpose of the light-dependent reactions is to convert light energy into this? Options: A. chemical reactions B. calories C. thermal energy D. photosynthesis Answer:

A

Question: What carries warm or cold water throughout the world’s oceans? Options: A. earth rotation B. pipes C. gravity D. ocean currents Answer:

D

Question: Negative feedback controls insulin secretion by what organ? Options: A. liver B. uterus C. pancreas D. thyroid Answer:

C

Question: The scientific name of an organism consists of its genus and what else? Options: A. species B. mammals C. specimens D. samples Answer:

A

Question: There are five primary tastes in humans: sweet, sour, bitter, salty, and what? Options: A. aroma B. tangy C. hot D. umami Answer:

D

Question: What coenzyme is used in the transfer of energy in muscles? Options: A. atp or adenozine triphosphate B. carbolic acid C. glycogen D. hydrofluoric acid Answer:

A

Question: Divergent plate boundaries rift what landforms apart, leading to the formation of a new ocean between them? Options: A. continents B. coasts C. mountains D. islands Answer:

A

Question: Evolution happens because of what? Options: A. natural process B. natural change C. natural resources D. natural selection Answer:

D

Question: A machine is any device that makes work easier by doing what? Options: A. removing barriers B. changing a force C. changing molecules D. moving things Answer:

B

Question: Positive charge is mostly found in what part of an atom? Options: A. neutrons B. ions C. electron shell D. nucleus Answer:

D

Question: Will contour lines ever cross? Options: A. yes B. in rare cases C. always D. no Answer:

D

Question: Exchange occurs directly with the external environment in what type of organisms? Options: A. multicellular organisms B. hematopoietic organisms C. cell clusters D. unicellular organisms Answer:

D

Question: What is the term for much bigger evolutionary changes that result in new species? Options: A. breaking away B. recalibration C. regression D. macroevolution Answer:

D

Question: Boron only occurs naturally in compounds with what element? Options: A. helium B. carbon C. oxygen D. nitrogen Answer:

C

Question: What is the change of state from a gas to a liquid? Options: A. condensation B. combustion C. fermentation D. vaporation Answer:

A

Question: The length of a linear accelerator and the size of the d-shaped electrodes in a cyclotron severely limit the kinetic energy that particles can attain in these devices. these limitations can be overcome by using one of these? Options: A. synchrotron B. metal C. plastic D. magnet Answer:

A

Question: Crossing-over is the exchange of genetic material between which chromosomes? Options: A. metacentric B. analogous C. monogamous D. homologous Answer:

D

Question: What is the major intracellular cation? Options: A. sodium B. potassium C. magnesium D. glucose Answer:

B

Question: The process of making a polymer is called what? Options: A. fermentation B. memorization C. reaction D. polymerization Answer:

D

Question: What is the term for the development of an embryo inside an egg within the mother’s body until it hatches? Options: A. asexual reproduction B. spawning C. ovovivipary D. pregnancy Answer:

C

Question: What are hydrocarbons with double bonds called? Options: A. alkenes B. aldehydes C. alcohols D. amines Answer:

A

Question: Which branch of biology uses fossils to study life's history? Options: A. morphology B. geology C. paleontology D. zoology Answer:

C

Question: What is the transfer of heat by physical contact? Options: A. diffusion B. oxidation C. inhibition D. conduction Answer:

D

Question: Which type of ferns have yellow sporangia and no leaves? Options: A. Hothouse fern B. Ostrich fern C. Boston fern D. whisk ferns Answer:

D

Question: What are bones made up of? Options: A. muscles B. tissues C. platelets D. molecules Answer:

B

Question: What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy? Options: A. heat B. potential C. electrical D. physical Answer:

C

Question: What is another name for a broad explanation that is supported by a great deal of evidence? Options: A. conjecture B. theory C. hypothesis D. concept Answer:

B

Question: What is the common name for the midpoint between high and low tide? Options: A. sea level B. floods level C. middle level D. clouds level Answer:

A

Question: What covers the body of a fish to help the move their body to swim? Options: A. skin B. hairs C. gelatin D. scales Answer:

D

Question: Parasitic leeches feed off of what? Options: A. tissue B. tumor C. blood D. brain Answer:

C

Question: By how many weeks do all major organs start developing? Options: A. 9 B. 4 C. 8 D. 12 Answer:

C

Question: What are mammals called that reproduce by laying eggs? Options: A. marsupials B. amphibians C. Fish D. monotremes Answer:

D

Question: What are compounds formed by ionic bonds called? Options: A. nuclear compounds B. layered compounds C. ionic compounds (salts) D. mixed compounds Answer:

C

Question: What are the insects that suck up the sap from plants? Options: A. roaches and leafhoppers B. plagues and leafhoppers C. aphids and leafhoppers D. butterflies and leafhoppers Answer:

C

Question: The uterus has an external opening known as what? Options: A. cervix B. ovaries C. fallopian tubes D. vulva Answer:

D