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null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | Question: Light is scattered from what in our atmosphere?
Options:
A. molecules
B. particles
C. matter
D. ions
Answer: | A |
null | 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 |
null | 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 |
null | 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 |
null | Question: When populations get close to the carrying capacity, what happens to growth?
Options:
A. halts
B. slows
C. dies
D. spikes
Answer: | B |
null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | Question: Elongation is the addition of what to the mrna strand?
Options:
A. codons
B. glycine
C. filaments
D. nucleotides
Answer: | D |
null | Question: What occurs as a result of the discharge of static electricity?
Options:
A. thunder
B. clouds
C. drought
D. lightning
Answer: | D |
null | Question: The electronegativity of an element increases with increasing of what state?
Options:
A. evaporation
B. conduction
C. oxidation
D. isolation
Answer: | C |
null | Question: What form the skeletons of most organic molecules?
Options:
A. amino acid chains
B. hydrocarbons
C. peptide groups
D. carbon chains
Answer: | D |
null | Question: The subducting oceanic plate does what as it reenters the mantle?
Options:
A. disappers
B. evaporates
C. melts
D. freezes
Answer: | C |
null | 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 |
null | 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 |
null | Question: What results from the evaporation of sea water?
Options:
A. reef
B. oxygen
C. salt
D. carbon-di-oxide
Answer: | C |
null | 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 |
null | Question: What is the basic unit of computer memory?
Options:
A. Megabyte
B. Teraybte
C. byte
D. Bit
Answer: | C |
null | 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 |
null | Question: What type of hybridization does ammonia undergo?
Options:
A. h2O hybridization
B. ionic hybridization
C. sp 3 hybridization
D. nh3 hybridization
Answer: | C |
null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | Question: Lipids are also know by what name?
Options:
A. sugars
B. acids
C. fats
D. proteins
Answer: | C |
null | Question: Larger animals expend more of what to achieve locomotion?
Options:
A. energy
B. distance
C. time
D. neurons
Answer: | A |
null | Question: A winter storm is called what?
Options:
A. gale
B. snow storm
C. tempest
D. blizzard
Answer: | D |
null | 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 |
null | 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 |
null | Question: What sustains the fetus while it grows inside the mother’s uterus?
Options:
A. endometrium
B. placenta
C. bacteria
D. mitochondria
Answer: | B |
null | Question: All carbon atoms have how many protons?
Options:
A. two
B. one
C. six
D. eight
Answer: | C |
null | 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 |
null | Question: Animal-like protists are called what?
Options:
A. bacteria
B. protozoa
C. genus
D. larvae
Answer: | B |
null | Question: What type of rock contains concentrations of valuable minerals?
Options:
A. igneous
B. ores
C. sedimentary
D. metamorphic
Answer: | B |
null | Question: What is the inner layer of skin called?
Options:
A. the epidermis
B. the dermis
C. connective layer
D. hypodermis
Answer: | B |
null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | Question: What are all tissues external to the vascular cambium called?
Options:
A. bark
B. nucleus
C. larvae
D. membranes
Answer: | A |
null | 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 |
null | Question: All waves are the way energy travels through what?
Options:
A. matter
B. vacuums
C. space
D. time
Answer: | A |
null | 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 |
null | 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 |
null | 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 |
null | Question: What term in biotechnology means a genetically exact copy of an organism?
Options:
A. adult
B. clone
C. male
D. phenotype
Answer: | B |
null | Question: What are the basic building blocks of the human body?
Options:
A. minerals
B. cells
C. proteins
D. vitamins
Answer: | B |
null | 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 |
null | 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 |
null | Question: Algae are like plants mainly because they contain what?
Options:
A. cell wall
B. cells
C. organelles
D. chloroplasts
Answer: | D |
null | Question: Where does the stratosphere get most of its heat?
Options:
A. earth
B. volcanoes
C. time
D. sun
Answer: | D |
null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | Question: How many centimeters are in a meter?
Options:
A. 1000
B. 100
C. 50
D. 200
Answer: | B |
null | Question: What can human facial expressions communicate?
Options:
A. theories
B. behaviors
C. ideas
D. emotions
Answer: | D |
null | Question: Mating with no strong pair-bonds is called?
Options:
A. heterogeneous
B. promiscuous
C. covalent
D. mutual
Answer: | B |
null | 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 |
null | 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 |
null | 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 |
null | Question: Negative feedback controls insulin secretion by what organ?
Options:
A. liver
B. uterus
C. pancreas
D. thyroid
Answer: | C |
null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | Question: Evolution happens because of what?
Options:
A. natural process
B. natural change
C. natural resources
D. natural selection
Answer: | D |
null | 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 |
null | Question: Positive charge is mostly found in what part of an atom?
Options:
A. neutrons
B. ions
C. electron shell
D. nucleus
Answer: | D |
null | Question: Will contour lines ever cross?
Options:
A. yes
B. in rare cases
C. always
D. no
Answer: | D |
null | 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 |
null | 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 |
null | Question: Boron only occurs naturally in compounds with what element?
Options:
A. helium
B. carbon
C. oxygen
D. nitrogen
Answer: | C |
null | Question: What is the change of state from a gas to a liquid?
Options:
A. condensation
B. combustion
C. fermentation
D. vaporation
Answer: | A |
null | 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 |
null | Question: Crossing-over is the exchange of genetic material between which chromosomes?
Options:
A. metacentric
B. analogous
C. monogamous
D. homologous
Answer: | D |
null | Question: What is the major intracellular cation?
Options:
A. sodium
B. potassium
C. magnesium
D. glucose
Answer: | B |
null | Question: The process of making a polymer is called what?
Options:
A. fermentation
B. memorization
C. reaction
D. polymerization
Answer: | D |
null | 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 |
null | Question: What are hydrocarbons with double bonds called?
Options:
A. alkenes
B. aldehydes
C. alcohols
D. amines
Answer: | A |
null | Question: Which branch of biology uses fossils to study life's history?
Options:
A. morphology
B. geology
C. paleontology
D. zoology
Answer: | C |
null | Question: What is the transfer of heat by physical contact?
Options:
A. diffusion
B. oxidation
C. inhibition
D. conduction
Answer: | D |
null | 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 |
null | Question: What are bones made up of?
Options:
A. muscles
B. tissues
C. platelets
D. molecules
Answer: | B |
null | 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 |
null | 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 |
null | 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 |
null | 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 |
null | Question: Parasitic leeches feed off of what?
Options:
A. tissue
B. tumor
C. blood
D. brain
Answer: | C |
null | Question: By how many weeks do all major organs start developing?
Options:
A. 9
B. 4
C. 8
D. 12
Answer: | C |
null | Question: What are mammals called that reproduce by laying eggs?
Options:
A. marsupials
B. amphibians
C. Fish
D. monotremes
Answer: | D |
null | 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 |
null | 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 |
null | Question: The uterus has an external opening known as what?
Options:
A. cervix
B. ovaries
C. fallopian tubes
D. vulva
Answer: | D |
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