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null | Question: What is used to prevent some infectious diseases?
Options:
A. radiation
B. vaccines
C. pathogens
D. pesticides
Answer: | B |
null | Question: Bread has little holes in it from carbon dioxide produced by what?
Options:
A. sugar
B. yeast
C. water
D. bacteria
Answer: | B |
null | Question: What did sir isaac newton's famous law help people understand?
Options:
A. radio waves
B. gravity
C. motion
D. light
Answer: | B |
null | Question: Through what system of the body do hormones generally travel?
Options:
A. circulatory system
B. endocrine
C. respiratory
D. excretory
Answer: | A |
null | Question: Which inducer turns on the expression of the lac genes?
Options:
A. xerophyte
B. glucose
C. allolactose
D. galactose
Answer: | C |
null | Question: What are two other terms for dizygotic twins, which make good study subjects because they share many environmental conditions, but only about half of their polymorphisms?
Options:
A. identical twins
B. fraternal, non-identical
C. interdependant twins
D. fractional
Answer: | B |
null | Question: Sensory neurons transmit nerve impulses from sense organs and internal organs to the brain via the?
Options:
A. spinal column
B. spinal cord
C. nervous system
D. nerve endings
Answer: | B |
null | Question: What term is used to express the measurement of how high land is above sea level?
Options:
A. distance
B. knots
C. latitude
D. elevation
Answer: | D |
null | Question: Resemblance to other species can serve as protection to what category of species?
Options:
A. consumer
B. prey
C. producer
D. predator
Answer: | B |
null | Question: Lens faces can generally either be concave, or what, which is the opposite of concave?
Options:
A. convex
B. spherical
C. elliptical
D. hollow
Answer: | A |
null | Question: Ice masses, acquifers, and the deep ocean are examples of water what?
Options:
A. reservoirs
B. fields
C. seas
D. lakes
Answer: | A |
null | Question: The hypothalamus and pituitary gland are located near the base of this organ?
Options:
A. the brain
B. the liver
C. the lungs
D. the heart
Answer: | A |
null | Question: Is an acid lower or higher than 7 on the ph scale?
Options:
A. twice as much as 7
B. lower than 7
C. higher than 7
D. exactly 7
Answer: | B |
null | Question: Prosimians are thought to be more similar to the earliest of these?
Options:
A. insects
B. fish
C. primates
D. rodents
Answer: | C |
null | Question: What is the first stage of cellular respiration?
Options:
A. hydrolysis
B. photosynthesis
C. amniocentesis
D. glycolysis
Answer: | D |
null | Question: Carboxylic acids have an acidic hydrogen atom, but esters do not. what do esters have in place of an acidic hydrogen atom?
Options:
A. crystallization group
B. synthesis group
C. carbonation group
D. hydrocarbon group
Answer: | D |
null | Question: Expansion of a gas into a vacuum is irreversible because the external pressure is measurably less than the internal pressure of the gas, and no states of what exist?
Options:
A. equilibrium
B. balance
C. liquid
D. composition
Answer: | A |
null | Question: Digestive enzymes, including which enzyme, start breaking down starches into sugars?
Options:
A. triglyceride
B. amylase
C. cortisol
D. melatonin
Answer: | B |
null | Question: What term is used to describe muscle fibers that allows muscles to contract?
Options:
A. organisms
B. ligaments
C. fluorescence
D. organelle
Answer: | D |
null | Question: What are two examples of lipids?
Options:
A. vitamins and fatty acid
B. defects and oils
C. adipose tissue and olive oil
D. fats and oils
Answer: | D |
null | Question: What is the term used for a large body of air of the same temperature and moisture conditions?
Options:
A. air mass
B. air pool
C. air group
D. sky mass
Answer: | A |
null | Question: A catalyst can increase the rate of what, in general?
Options:
A. carbon reaction
B. mechanicl reaction
C. consumption reaction
D. chemical reaction
Answer: | D |
null | Question: What do sharks use to secrete salt to assist in osmoregulation?
Options:
A. bladder gland
B. blood gland
C. rectal gland
D. ceramic gland
Answer: | C |
null | Question: Wetlands are environments in which the soil is either permanently or periodically saturated with what?
Options:
A. hydrogen
B. water
C. spores
D. oil
Answer: | B |
null | Question: Electron configurations are a shorthand method of indicating what subshells electrons occupy in these?
Options:
A. acids
B. solutions
C. atoms
D. molecules
Answer: | C |
null | Question: We know from what type of waves produced by earthquakes that parts of the interior of the earth are liquid?
Options:
A. electromagnetic
B. kinetic
C. volcanic
D. seismic
Answer: | D |
null | Question: What is the biogeochemical cycle that recycles water called?
Options:
A. water theory
B. Liquid Cycle
C. Water Table
D. water cycle
Answer: | D |
null | Question: Conservation of what property of ecosystems is the aim of measures like the endangered species act?
Options:
A. natural selection
B. biodiversity
C. Allopatric speciation
D. bioremediation
Answer: | B |
null | Question: Bond energy is an indication of the amount of energy needed for what to occur?
Options:
A. photosynthesis
B. chemical reaction
C. oxidation
D. physical reaction only
Answer: | B |
null | Question: The same reaction regenerates pyruvate, which is transported to which cells?
Options:
A. skin
B. symbionts
C. mesophyll
D. outermost
Answer: | C |
null | Question: What type of animal eats both plants and animals?
Options:
A. carnivores
B. insectivores
C. omnivores
D. herbivores
Answer: | C |
null | Question: It may seem as though burning destroys matter, but the same amount of what, still exists after a campfire as before?
Options:
A. mass
B. concentrations
C. termperature
D. energy
Answer: | A |
null | Question: Is the yolk more or less concentrated toward the animal pole?
Options:
A. no change
B. less concentrated
C. more concentrated
D. same concentrated
Answer: | B |
null | Question: What paired human organs play a vital role in maintaining homeostasis?
Options:
A. kidneys
B. ears
C. eyes
D. lungs
Answer: | A |
null | Question: Which type of double bond has a sigma bond and a pi bond?
Options:
A. sodium - oxygen bond
B. carbon-oxygen bond
C. Covalent Bonds
D. dioxide - oxygen bond
Answer: | B |
null | Question: Potential energy is present in objects that are what?
Options:
A. elastic
B. rigid
C. crystals
D. unstable
Answer: | A |
null | Question: Most fossils form when a dead organism is buried in what?
Options:
A. sediment
B. ash
C. sand
D. soil
Answer: | A |
null | Question: What is the term for the amount of internal energy that the substance can store?
Options:
A. mass capacity
B. temperature capacity
C. humidity capacity
D. heat capacity
Answer: | D |
null | Question: What molecules with a nitrogen base are the basic components of nucleic acids?
Options:
A. nuclides
B. sporozoans
C. enzymes
D. nucleiotides
Answer: | D |
null | Question: What is the official name for the study of life?
Options:
A. biology
B. geology
C. chemistry
D. botany
Answer: | A |
null | Question: What is capable of altering the rate of time passing?
Options:
A. strong gravitational fields
B. strong planetary fields
C. weak gravitational fields
D. strong magnetic fields
Answer: | A |
null | Question: What two ways may catalyst be classified?
Options:
A. reactive or nonreactive
B. homogeneous or heterogeneous
C. fast or slow
D. oxygenated or heterogenous
Answer: | B |
null | Question: In addition to glucose, what gas is used during cellular respiration?
Options:
A. nitrogen
B. oxygen
C. hydrogen
D. methane
Answer: | B |
null | Question: When the ph of precipitation is lowered because of air pollution, what results?
Options:
A. sleet
B. climate change
C. acid rain
D. abnormal rain
Answer: | C |
null | Question: Calcium hydroxide and calcium carbonate are effective in neutralizing the effects of what on lakes?
Options:
A. ozone rain
B. dioxide rain
C. oil rain
D. acid rain
Answer: | D |
null | Question: The type of eruption a volcano has depends on the type of what in its chamber?
Options:
A. funnel
B. cavity
C. magma
D. core
Answer: | C |
null | Question: What is the rigid layer that is found outside the cell membrane and surrounds the cell?
Options:
A. cell shield
B. cell root
C. cell barrier
D. cell wall
Answer: | D |
null | Question: What branch of science is defined as the study of matter?
Options:
A. astrophysics
B. chemistry
C. geology
D. biology
Answer: | B |
null | Question: What element, which often forms polymers, has a unique ability to form covalent bonds with many other atoms?
Options:
A. carbon
B. iron
C. hydrogen
D. oxygen
Answer: | A |
null | Question: What is the type of reproduction where part of the parent plant is used to generate a new plant?
Options:
A. byproduct reproduction
B. sexual reproduction
C. coaxed reproduction
D. asexual reproduction
Answer: | D |
null | Question: What are the subatomic particles of the nucleus called?
Options:
A. cores
B. protons
C. eukaryotes
D. nucleons
Answer: | D |
null | Question: Falling onto what joint can fracture the distal humerus?
Options:
A. knee
B. thumb
C. Foot
D. elbow
Answer: | D |
null | Question: Solvation involves surrounding ions with what?
Options:
A. solvent particles
B. molecules
C. proteins
D. passive particles
Answer: | A |
null | Question: What describes the process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell?
Options:
A. expulsion
B. autolysis
C. exocytosis
D. endocytosis
Answer: | C |
null | Question: What creates charged regions in a water molecule?
Options:
A. noncovalent bonds
B. ionic bonds
C. nonpolar bonds
D. polar covalent bonds
Answer: | D |
null | Question: Which model helps explain molecules with double or triple bonds?
Options:
A. salinity model
B. reactivity model
C. hybridization model
D. particle model
Answer: | C |
null | Question: Sympatric type of what occurs when a single population of organisms splits into two reproductively isolated communities within the same physical region?
Options:
A. biodiversity
B. accumulation
C. extraction
D. speciation
Answer: | D |
null | Question: What instrument is used to make objects in space appear closer?
Options:
A. mirror
B. telescope
C. GPS
D. microscope
Answer: | B |
null | Question: What factor other than genes is important in determining adult height?
Options:
A. nutrition
B. relaxation
C. intelligence
D. cultivation
Answer: | A |
null | Question: Which country is formed by a hotspot along the mid-atlantic ridge?
Options:
A. iceland
B. norway
C. finland
D. Switzerland
Answer: | A |
null | Question: Plant-like protists produce oxygen through which process?
Options:
A. respiration
B. metamorphosis
C. glycolysis
D. photosynthesis
Answer: | D |
null | Question: What are the two distinct types of cells found in the animal kingdom?
Options:
A. DNA and Eukaryotes
B. bacteria and eukaryotes
C. prokaryotes and eukaryotes
D. chromosomes and eukaryotes
Answer: | C |
null | Question: What is the process of breaking an individual into parts followed by regeneration called?
Options:
A. fragmentation
B. minimization
C. destruction
D. erosion
Answer: | A |
null | Question: Red blood cells, white blood cells, and platelets are all produced where?
Options:
A. in yellow marrow
B. in collagen
C. in red marrow
D. in synovial fluid
Answer: | C |
null | Question: What is the name of a reactant in an enzymatic reaction?
Options:
A. substrate
B. Scar
C. membrane
D. tissues
Answer: | A |
null | Question: The chytrids the only class in the phylum chytridiomycota is the chytridiomycetes. the chytrids are the simplest and most primitive eumycota, or true this?
Options:
A. proteins
B. organisms
C. acids
D. fungi
Answer: | D |
null | Question: What device measures atmospheric pressure and can be used as an altimeter?
Options:
A. barometer
B. indicator
C. speedometer
D. thermometer
Answer: | A |
null | Question: The invention of what instrument in the 1930s allowed scientists to see viruses for the first time?
Options:
A. telescopes
B. electron microscope
C. spy glass
D. magnifying glass
Answer: | B |
null | Question: What begins approximately six weeks after fertilization in an embryo?
Options:
A. incubation
B. calcification
C. ossification
D. elongation
Answer: | C |
null | Question: What do ecologists study at every level?
Options:
A. solar system
B. taxonomy
C. plants
D. ecosystems
Answer: | D |
null | Question: What do you call a small whole number placed in front of a formula in an equation in order to balance it?
Options:
A. divisible
B. function
C. coefficient
D. correlation
Answer: | C |
null | Question: In the vast majority of ectopic pregnancies, the embryo does not complete its journey to what organ, and instead implants in the uterine tube?
Options:
A. stomach
B. vagina
C. ovaries
D. uterus
Answer: | D |
null | Question: Why are atoms of metals good conductors of electricity?
Options:
A. conserve heat
B. break into smaller parts
C. give up electrons
D. hold on to electrons
Answer: | C |
null | Question: What kind of reproduction involves just one parent and produces offspring genetically identical to each other and to the parent?
Options:
A. organic reproduction
B. asexual reproduction
C. microscopic reproduction
D. sexual reproduction
Answer: | B |
null | Question: What carries the instructions from the nucleus to the cytoplasm?
Options:
A. messenger rna
B. concept rna
C. dirscriptor rna
D. anderson rna
Answer: | A |
null | Question: What colors in a neon sign represent real neon?
Options:
A. yellow, white
B. blue, green
C. red, orange
D. purple, blue
Answer: | C |
null | Question: The number of what subatomic particles determines an element’s atomic number and is used to distinguish one element from another?
Options:
A. neutrons
B. quarks
C. electrons
D. protons
Answer: | D |
null | Question: What occurs when the immune system makes an inflammatory response to a harmless antigen?
Options:
A. asthma attack
B. antibodies
C. allergies
D. immunity
Answer: | C |
null | Question: How many naturally occurring elements are known on earth?
Options:
A. 90
B. 60
C. 85
D. 87
Answer: | A |
null | Question: Enzymes speed up the rate of a specific chemical reaction and is therefore known as what?
Options:
A. genetic catalysts
B. biochemical catalysts
C. characteristic catalysts
D. protein catalysts
Answer: | B |
null | Question: Food allergies, ulcers, and heartburn all affect what organ system?
Options:
A. lymphatic system
B. skeletal system
C. digestive system
D. nervous system
Answer: | C |
null | Question: What is the science of how traits are passed from parents to offspring?
Options:
A. cross matching
B. alleles
C. heredity
D. genetics
Answer: | C |
null | Question: The measure of how much a given volume of matter decreases when placed under pressure is called?
Options:
A. malleability
B. elasticity
C. compressibility
D. solubility
Answer: | C |
null | Question: Matter is always conserved in what type of reaction?
Options:
A. Quick reaction
B. chemical reaction
C. developed reaction
D. toxic reaction
Answer: | B |
null | Question: Unstable isotopes give off particles and energy as what?
Options:
A. ultraviolet light
B. electricity
C. radioactivity
D. radiation
Answer: | C |
null | Question: By what process does the haploid gametophyte produce the gametes?
Options:
A. Spermatogenesis
B. meiosis
C. angiogenesis
D. mitosis
Answer: | D |
null | Question: What does magma that cools underground form?
Options:
A. anomalies
B. plates
C. intrusions
D. cracks
Answer: | C |
null | Question: By what are skeletal muscles attached to bones?
Options:
A. joints
B. veins
C. ligaments
D. tendons
Answer: | D |
null | Question: What is the movement of substances across the membrane without the expenditure of cellular energy called?
Options:
A. immune transport
B. passive transport
C. active transport
D. inner cell transport
Answer: | B |
null | Question: What are convection currents that occur far below the surface of the ocean called?
Options:
A. deep currents
B. waves
C. flat currents
D. subsequent currents
Answer: | A |
null | Question: Human actions such as plowing, logging, construction and other actions contribute to what kind of erosion?
Options:
A. soil erosion
B. flooding
C. wind erosion
D. weathering
Answer: | A |
null | Question: What is the name of the molecule which has one carbon and four hydrogen atoms?
Options:
A. carbon monoxide
B. sulfur
C. carbohydrate
D. methane
Answer: | D |
null | Question: What kind of rock's makeup is changed by heat and or pressure?
Options:
A. metamorphic
B. basaltic
C. igneous
D. tectonic
Answer: | A |
null | Question: Cellular respiration is the reverse or opposite of what?
Options:
A. reproduction
B. spermatogenesis
C. photosynthesis
D. glycolysis
Answer: | C |
null | Question: Ground subsidence is a consequences of the overuse of what?
Options:
A. groundwater
B. plants
C. topsoil
D. chemicals
Answer: | A |
null | Question: What is the release of energy in the form of high energy electromagnetic waves?
Options:
A. x-ray emission
B. gamma emission
C. transient emission
D. normal emission
Answer: | B |
null | Question: Membranes will become increasingly what as temperatures rise?
Options:
A. acidic
B. toxic
C. fluid
D. metallic
Answer: | C |
null | Question: What is the name of the zone where water is deeper than 200 meters called?
Options:
A. eccentric zone
B. euphotic zone
C. aphotic zone
D. transition zone
Answer: | C |
null | Question: The type of vesicle transport that moves a substance out of the cell is called?
Options:
A. endocytosis
B. morphogenesis
C. exocytosis
D. metabolism
Answer: | C |
null | Question: What is controlled by regulatory proteins that bind to regulatory elements on dna?
Options:
A. gene transcription
B. substance transcription
C. mRNA
D. amino acids
Answer: | A |
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