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Another major cause of extinction is global warming , which is also known as?
A. global climate change
B. regional climate change
C. sudden climate change
D. rapid climate change
Answer: | A |
What shape rash is formed from a skin infection caused by trichophyton?
A. striped
B. ring-shaped
C. polka dot
D. rod-shaped
Answer: | B |
What type of bonds only form in metals?
A. metallic bonds
B. liquid bonds
C. friction bonds
D. optical bonds
Answer: | A |
The last major ice age took place in which era?
A. cenozoic
B. pleistocene
C. miocene
D. pliocene
Answer: | B |
What signals the secretion of gastric acid?
A. pepsin
B. gastrin
C. leptin
D. hormone
Answer: | B |
Each microspore develops into a pollen grain containing a male what?
A. sperm
B. progesterone
C. zygote
D. gametophyte
Answer: | D |
What is used to describe gas concentrations of a solution?
A. fixation fractions
B. atom fractions
C. mesh fractions
D. mole fractions
Answer: | D |
What type of organism has many different specialized cells that work together to carry out life processes?
A. multicellular organism
B. sequenced organism
C. single-celled organism
D. mutated organism
Answer: | A |
What types of bonds hold together positive metal ions and their valence electrons?
A. toxic bonds
B. ionic bonds
C. metallic bonds
D. covalent bonds
Answer: | C |
The once compressed universe expanded rapidly after what nicknamed event billions of years ago?
A. big bang
B. good bang
C. big bust
D. big explosion
Answer: | A |
Do metals tend to gain electrons or lose electrons in chemical reactions?
A. develop electrons
B. lose electrons
C. gain electrons
D. same number of electrons
Answer: | B |
Living things evolve what characteristics that make them better suited for their environment?
A. reflexes
B. adaptations
C. instincts
D. mutations
Answer: | B |
Where are the two tonsils located?
A. sinus
B. tooth
C. throat
D. nose
Answer: | C |
The chemistry of each element is determined by its number of what?
A. nuclei and neutrons
B. protons and electrons
C. electrons and neutrons
D. protons and neutrons
Answer: | B |
What is defined as the amount of force acting on a given area?
A. pressure
B. density
C. power
D. resistance
Answer: | A |
Which type of energy is the energy of anything in motion?
A. diffuse energy
B. physiological engergy
C. residual engergy
D. kinetic engergy
Answer: | D |
What are large sheets of ice that cover relatively flat ground called?
A. land glaciers
B. rocky glaciers
C. continental glaciers
D. cellular glaciers
Answer: | C |
What is the accelerating pattern of increasing population size called?
A. exponential growth
B. reproducing growth
C. limited growth
D. induced growth
Answer: | A |
Ions can be formed when atoms lose what other particles?
A. neutrons
B. electrons
C. protons
D. shells
Answer: | B |
Deserts are generally dry ecosystems having very little what?
A. mountains
B. snowfall
C. heat
D. rainfall
Answer: | D |
The average number of individuals per unit of area can be expressed as what?
A. the percent of population
B. population density
C. percent density
D. total density
Answer: | B |
The top 200 meters of water is called what zone?
A. the subterranean zone
B. the biotic zone
C. the stratosphere
D. the photic zone
Answer: | D |
A homogeneous mixture with tiny particles in it is known as what?
A. structure
B. element
C. plasmid
D. solution
Answer: | D |
What is the term for decomposers that consume dead leaves, animal feces, and other organic debris collected on the ground or at the bottom of water?
A. consumers
B. detritivores
C. recyclers
D. scavengers
Answer: | B |
If a gas in a closed area experiences increases in pressure and decreases in temperatures, what other attribute of the gas will be affected?
A. gravity
B. velocity
C. volume
D. temperature
Answer: | C |
What is the term for the hard covering that protects insects, crustaceans, and spiders?
A. endoskeleton
B. exoskeleton
C. endoplate
D. exoplate
Answer: | B |
What gas is expired out of the body during exhalation?
A. carbon dioxide
B. oxygen
C. carbon monoxide
D. hydrogen
Answer: | A |
Through this process, algae provide glucose for the ecosystem?
A. photosynthesis
B. glycolysis
C. spermatogenesis
D. GLUCOPHAGE
Answer: | A |
What determines your hair color trait?
A. Heredity
B. genes
C. chromosomes
D. cells
Answer: | B |
What layer of skin is directly under the epidermis?
A. hypodermis
B. sweat glands
C. the dermis
D. the aponeurosis
Answer: | C |
What is caused by bodies sliding over rough surfaces?
A. tension
B. vibration
C. heat loss
D. friction
Answer: | D |
The electromagnetic spectrum represents the full range of frequency of what type of wave?
A. mechanical
B. transverse wave
C. seismic
D. electromagnetic
Answer: | D |
Distinguishing between homology and analogy is critical in reconstructing what?
A. phylogenies
B. proteases
C. residues
D. phylums
Answer: | A |
What do many mollusks secrete for their protection?
A. microscopic shell
B. calcareous shell
C. mucus
D. sedimentation shell
Answer: | B |
What were the first particles with mass to be directly confirmed to have the wavelength proposed by de broglie?
A. protons
B. electrons
C. ions
D. negatrons
Answer: | B |
What is a simple machine that consists of a rope wrapped around a grooved wheel?
A. a pulley
B. Inclined plane
C. Lever
D. Wheel and axle
Answer: | A |
What helps screen libraries for a gene of interest using nucleic acid hybridization?
A. cellular acid probe
B. proteins acid probe
C. nucleic acid probe
D. mitochondrial acid probe
Answer: | C |
What is one way of classifying organisms called?
A. spasm
B. clade
C. cluster
D. tuck
Answer: | B |
The earliest stages of spermatogenesis occur closest to the lumen of the what?
A. epithelium tubules
B. viviparous tubules
C. interstitial tubules
D. seminiferous tubules
Answer: | D |
Which of the electromagnetic waves have the shortest wavelengths and highest frequencies?
A. gamma
B. beta
C. ultraviolet
D. plasma
Answer: | A |
The oxidation of an alcohol can produce either an aldehyde or what?
A. ester
B. amine
C. enzyme
D. ketone
Answer: | D |
Change in momentum in an object is equivalent to what other measurement?
A. velocity
B. gravity
C. impulse
D. resistance
Answer: | C |
Where does most water evaporate from?
A. seas
B. lakes
C. oceans
D. rivers
Answer: | C |
Which waves have the longest wavelengths but the least energy in the atmosphere?
A. radio waves
B. light waves
C. channel waves
D. microwaves
Answer: | A |
The effect of gravity on circulation means that it is harder to get blood up from the legs as the body takes on this?
A. frontal orientation
B. dorsal orientation
C. horizontal orientation
D. vertical orientation
Answer: | D |
Red blood cells, white blood cells and what other cell is found in blood?
A. antibodies
B. hemoglobin
C. platelets
D. plasma cells
Answer: | C |
How many dimensions can humans see in?
A. five
B. two
C. one
D. three
Answer: | D |
What do you call the unhealthy synthetic lipids created when unsaturated fatty acids are artificially manufactured to have straight chains?
A. omega-3 fatty acids
B. trans fatty acids
C. polyunsaturated fats
D. safflower acids
Answer: | B |
In what type of climate might one find deciduous trees?
A. humid continental
B. moist continental
C. Dry Continental
D. thick continental
Answer: | A |
Cellular respiration involves forming atp from what type of sugar?
A. sucrose
B. glucose
C. fructose
D. glutamate
Answer: | B |
The magnitude of the wave function at a particular point in space is proportional to what property of the wave at that point?
A. Sounding
B. voltage
C. amplitude
D. frequency
Answer: | C |
Representing a leap in scientific understanding, einstein described what as a dent in the fabric of space and time?
A. light
B. motion
C. gravity
D. energy
Answer: | C |
Green algae and land plants are closely what?
A. foreign
B. related
C. unrelated
D. different
Answer: | B |
How many alleles control a characteristic?
A. 8
B. 4
C. 2
D. 3
Answer: | C |
All living things are able to produce what?
A. proteins
B. offspring
C. tissue
D. toxins
Answer: | B |
What is the smallest volcanic landform that is formed from accumulation of many small fragments of ejected material?
A. log cones
B. concave cones
C. edifice cones
D. cinder cones
Answer: | D |
What are surface currents mainly caused by?
A. rains
B. lightning
C. waves
D. winds
Answer: | D |
What kind of solids are generally classified by the forces that hold their particles together and include ionic, metallic, covalent network, and molecular types?
A. flat solids
B. distinct solids
C. crystalline solids
D. helium solids
Answer: | C |
What can often be used to measure distance?
A. maps
B. graphs
C. models
D. histograms
Answer: | A |
Which single most factor is responsible for the extinction of hundreds of species of birds?
A. diet
B. habitat
C. animal actions
D. human actions
Answer: | D |
The differing glycosidic linkages in starch and cellulose give the two molecules what kind of distinct shapes?
A. three-dimensional
B. one-dimensional
C. square
D. diamond
Answer: | A |
What is the angiosperm seed surrounded by?
A. cone
B. ovary
C. egg
D. uterus
Answer: | B |
Which process helps bacteria in the gut break down the remains of the digested food?
A. oxidation
B. synthesis
C. decomposition
D. fermentation
Answer: | D |
Unlike wild animals, what type of species are genetically uniform, making them more vulnerable to die-out from disease?
A. free-range species
B. mammals
C. urbane species
D. domestic species
Answer: | D |
The diapsids diverged into two groups, the archosauromorpha (“ancient lizard form”) and the lepidosauromorpha (“scaly lizard form”) during what time period?
A. mesozoic
B. cenozoic
C. holocene
D. paleozoic
Answer: | A |
A few elements, called what, can conduct electricity, but not as well as metals?
A. metalloids
B. gases
C. synthetics
D. halogens
Answer: | A |
Which type of eruptions created the entire ocean floor?
A. formation eruptions
B. fissure eruptions
C. lava effusion
D. fault eruptions
Answer: | B |
What is damaged in the inner ear by loud sounds that cause hearing loss?
A. ear drum
B. hair cells
C. hammer and anvil
D. tympanic membrane
Answer: | B |
The energy in sunlight is also known as what kind of energy?
A. kinetic energy
B. geothermal energy
C. potential energy
D. solar energy
Answer: | D |
In what form is the heat absorbed when you heat ice and it reaches a temperature of 0 c?
A. potential energy
B. radiation energy
C. geothermal energy
D. mechanical energy
Answer: | A |
The sugar of one nucleotide binds to what group of the next nucleotide?
A. the chloride
B. the alkaline
C. the phosphate
D. the protein
Answer: | C |
How does the image focused by the eye travel to the brain?
A. the optic nerve
B. the secondary nerve
C. the sensory nerve
D. the modulated nerve
Answer: | A |
If a human only has 45 chromosomes it is most likely due to a mistake during what?
A. testis
B. meiosis
C. plexus
D. mitosis
Answer: | B |
The digestive organs within the abdominal cavity are held in place by the peritoneum, a broad serous membranous sac made up of squamous epithelial tissue surrounded by this?
A. bone
B. connective tissue
C. skin
D. mucus
Answer: | B |
What season causes people to look forward to spring?
A. autumn
B. summer
C. winter
D. fall
Answer: | C |
What are the narrowest blood vessels, where oxygen is transferred into body cells?
A. capillaries
B. muscles
C. arteries
D. viens
Answer: | A |
What is quantified by measuring the number of decay processes per unit time?
A. radioactivity
B. microwave power
C. temperature
D. fossil age
Answer: | A |
What is a measure of the force of gravity pulling on an object of a given mass?
A. weight
B. effect
C. scale
D. solidity
Answer: | A |
What is the atomic number?
A. Speed of electrons
B. Number of electrons
C. number of protons
D. Number of neutrons
Answer: | C |
Some isotopes are stable indefinitely, while others are radioactive and do what through a characteristic form of emission?
A. expand
B. decay
C. bond
D. replicate
Answer: | B |
Cellular respiration uses oxygen to harvest what from organic molecules?
A. light
B. water
C. energy
D. chlorophyll
Answer: | C |
A red blood cell will swell and burst when placed in a?
A. dissolved solution
B. hypotonic solution
C. exothermic solution
D. acidic solution
Answer: | B |
Which type of lava lavas are less viscous and erupt effusively?
A. Felsic lava
B. Intermediate lava
C. mafic
D. Ultramafic lava
Answer: | C |
What are often formed biologically during the breakdown of proteins in animal cells, having the smell of death and decay?.
A. acids
B. amines
C. ketones
D. enzymes
Answer: | B |
What produces the centripetal force to keep the earth orbiting the sun?
A. motion
B. weight
C. gravity
D. heat
Answer: | C |
Group 13 of the periodic table is also called what?
A. manganese group
B. nitrogen group
C. the boron group
D. iron group
Answer: | C |
What type of tissue transports water and minerals in a vascular plant?
A. chlorophyll
B. capillaries
C. xylem
D. collagen
Answer: | C |
What produces enzymes that digest carbohydrates in plant cell walls?
A. pollen
B. bacteria
C. protists
D. algae
Answer: | B |
At what temperature does solid water melt to a liquid?
A. above 32 degrees c
B. below 0 degrees c
C. below 32 degrees c
D. at temperatures above 0 degrees c
Answer: | D |
How many more legs do spiders have compared to insects?
A. four
B. six
C. two
D. one
Answer: | C |
Almost all energy at earth's surface comes from where?
A. wind
B. the sun
C. another sun
D. oceans
Answer: | B |
What is the first step in protein synthesis?
A. mutation
B. reproduction
C. transcription
D. differentiation
Answer: | C |
What branch of biology focuses on heredity?
A. Epidemiology
B. semiotics
C. ontology
D. genetics
Answer: | D |
Stars are born in clouds, and they form and grow dense due to what force?
A. gravity
B. Big Bang theory
C. coreolis effect
D. kinetic energy
Answer: | A |
What has atoms with unstable nuclei?
A. hydrocarbon
B. radioisotope
C. radionuclide
D. microwaves
Answer: | B |
What is the tissue beneath a mollusks' shell called?
A. mucous
B. skin
C. cartilage
D. mantle
Answer: | D |
What is formed from an alcohol that loses water?
A. alcohols
B. Bonds
C. alkenes
D. amines
Answer: | C |
What is the division of the body into multiple parts called?
A. transverse
B. segmentation
C. compression
D. organ-level organization
Answer: | B |
What reproductive method has two parents involved?
A. pollination
B. budding
C. sexually
D. mitosis
Answer: | C |
In many cases, the alkali metal amide salt (mnh2) is not very soluble in liquid ammonia and does what?
A. isolates
B. precipitates
C. evaporates
D. settles
Answer: | B |
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