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Convection is the transfer of thermal energy by particles moving through what?
A. tissue
B. Metal
C. fluid
D. Solid
Answer:
|
C
|
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|
What happens when waves reach the shore?
A. topple and break
B. repel and attract
C. diffuse and recede
D. surge and drown
Answer:
|
A
|
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|
What is an involuntary muscle contraction that moves rapidly along an organ like a wave called?
A. esophagus
B. peristalsis
C. ruptured nerve
D. apoptosis
Answer:
|
B
|
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|
What is the purpose of water molds in fresh water environments?
A. wave production
B. fish food
C. oxygen production
D. decomposition
Answer:
|
D
|
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|
What corrosive substances capable of dissolving many metals can cause contamination if spilled?
A. ions
B. acids
C. bases
D. salts
Answer:
|
B
|
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|
What is always conserved in chemical reactions?
A. bonds
B. force
C. energy
D. mass
Answer:
|
D
|
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|
A polyatomic ion is an ion composed of more than one what?
A. atom
B. neutron
C. pair bond
D. nucleus
Answer:
|
A
|
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|
Mutualism is an interaction between individuals of two different species that has what effect on both of them?
A. neutral
B. abnormal
C. beneficial
D. harmful
Answer:
|
C
|
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|
What are the structural and functional units of the nervous system, which transmit nerve impulses to other cells?
A. axions
B. electrons
C. ions
D. neurons
Answer:
|
D
|
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|
If hot water becomes trapped, pressure may build up. when the water breaks free, it creates what?
A. groundwater
B. steam
C. geyser
D. glacier
Answer:
|
C
|
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|
What electrical force is responsible for fission?
A. friction
B. momentum
C. velocity
D. repulsion
Answer:
|
D
|
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|
Which law states that a pair of alleles is separated, or segregated, during the formation of gametes?
A. law of equals
B. separation anxiety
C. de facto segregation
D. law of segregation
Answer:
|
D
|
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|
Sounds or pictures can be encoded in pulses of what, which are then sent through an optical fiber?
A. quasars
B. microwaves
C. laser light
D. kinetic energy
Answer:
|
C
|
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|
What substance are physical objects are made of?
A. friction
B. energy
C. matter
D. gravity
Answer:
|
C
|
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|
Why do mangrove trees rise high above the water? which characteristic help them to do so?
A. stilt like roots
B. fat roots
C. heavy roots
D. no roots
Answer:
|
A
|
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|
What fertilizes an egg during sexual reproduction?
A. cytoplasm
B. mucus
C. gametes
D. sperm
Answer:
|
D
|
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|
How does the fungus benefit from the photosynthesizer?
A. shade
B. supply of carbon dioxide
C. supply of food
D. protection from chemicals
Answer:
|
C
|
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|
What is the name for unsaturated hydrocarbons that contain at least one double bond?
A. acids
B. alkenes
C. lipids
D. enzymes
Answer:
|
B
|
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|
What is the term for a loop in which a product feeds back to control its own production?
A. feedback mechanism
B. load mechanism
C. Adaptive Mechanism
D. Recondition Mechanism
Answer:
|
A
|
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|
During what period on earth was coal formed?
A. Mesozoic
B. the carboniferous period
C. Neoproterozoic era
D. Neoproterozoic
Answer:
|
B
|
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|
What is the term for the visible part of the electromagnetic spectrum?
A. gravity
B. electricity
C. chroma
D. light
Answer:
|
D
|
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|
Which vertebrates were the first with four limbs?
A. reptiles
B. bony fishes
C. birds
D. amphibians (or tetrapods)
Answer:
|
D
|
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|
How do plants support themselves above the ground to get light and oxygen?
A. stiff stems
B. momentum
C. flaccid stems
D. symbiosis
Answer:
|
A
|
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|
What process starts with glucose and ends with two pyruvate molecules, a total of four atp molecules and two molecules of nadh?
A. secretion
B. photosynthesis
C. absorption
D. glycolysis
Answer:
|
D
|
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|
What paired organs help regulate blood pressure through sodium ion and water retention and loss?
A. lungs
B. tissues
C. kidneys
D. lymph nodes
Answer:
|
C
|
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|
What is the age-related disorder that causes the gradual loss of bone density and strength?
A. fibrosis
B. arthritis
C. osteoporosis
D. mitosis
Answer:
|
C
|
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|
What are microfilaments made out of?
A. two DNA chains
B. two halophilic chains
C. two actin chains
D. two microscopy chains
Answer:
|
C
|
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|
Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
A. foot
B. hip
C. cranium
D. toe
Answer:
|
B
|
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|
What bifurcates into the right and left bronchi in the lungs?
A. neck
B. trachea
C. cornea
D. aorta
Answer:
|
B
|
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|
What is the spreading of white light into its full spectrum of wavelengths called?
A. condensation
B. radiate
C. saturation
D. dispersion
Answer:
|
D
|
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|
What type of fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water?
A. external
B. Internal
C. material
D. static
Answer:
|
A
|
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|
What is the energy of motion called?
A. kinetic energy
B. inertia
C. harmonic energy
D. stasis
Answer:
|
A
|
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|
Overharvesting is especially challenging for species with what type of habitat?
A. allowed
B. tundra
C. restricted
D. classified
Answer:
|
C
|
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|
What is a representation of the valence electrons of an atom that uses dots around the symbol of the element?
A. right structure
B. time structure
C. watson structure
D. lewis structure
Answer:
|
D
|
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|
Massive quanta, like electrons, also act like macroscopic particles—something we expect, because they are the smallest what?
A. battalions of matter
B. regiments of matter
C. depth of matter
D. units of matter
Answer:
|
D
|
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|
The simplest example of what type of 'organ system' is the gastrovascular cavity found in organisms with only one opening for the process?
A. cardiovascular
B. nervous
C. respiratory
D. digestive
Answer:
|
D
|
sciq
|
Photographs of the heat emitted by an object are called what?
A. thermal images
B. variable images
C. radio images
D. cosmic images
Answer:
|
A
|
sciq
|
Graphite is a form of elemental carbon what is another form?
A. iron
B. diamond
C. carbonite
D. magnite
Answer:
|
B
|
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|
If everything else stays the same in a system with a gas in it, and the gas gets warmer, what will happen to its pressure, generally?
A. it stays the same
B. it increases
C. it drops
D. it's eliminated
Answer:
|
B
|
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|
What term means a failure, insufficiency, or delay in the response of the immune system, which may be acquired or inherited?
A. immunodeficiency
B. pathogenic
C. vitamin deficiency
D. anemia
Answer:
|
A
|
sciq
|
The mature pollen grain is composed of two cells: the pollen tube cell and which other cell?
A. ova
B. generative cell
C. photosynthesis cell
D. glial cell
Answer:
|
B
|
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|
The neck of the uterus, called the cervix, opens into what?
A. vagina
B. retina
C. testicle
D. bladder
Answer:
|
A
|
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|
Where does the small intestine begin?
A. colon
B. spleen
C. mouth
D. stomach
Answer:
|
D
|
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|
What type of shape does a pelvic inlet have?
A. oval shape
B. cylindrical
C. cubic
D. conical
Answer:
|
A
|
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|
Which stage of life is typically easier for learning multiple languages?
A. infancy
B. adulthood
C. childhood
D. adolescenc
Answer:
|
C
|
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|
What is released from the body during ejaculation?
A. blood
B. saliva
C. urine
D. sperm
Answer:
|
D
|
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|
An organism's unique role in the ecosystem is called its what?
A. purpose
B. focus
C. adaptation
D. niche
Answer:
|
D
|
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|
With the exception of water, what accounts for more mass than any other component of living organisms?
A. proteins
B. nervous tissue
C. hormones
D. fats
Answer:
|
A
|
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|
Atoms are combined, separated, or rearranged during what?
A. radiation
B. spontaneous mutation
C. chemical reactions
D. physical reactions
Answer:
|
C
|
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|
How many electrons does lithium have?
A. three
B. four
C. two
D. seven
Answer:
|
A
|
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|
What is considered the center of the solar system?
A. nebulla
B. earth
C. heat
D. sun
Answer:
|
D
|
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|
What is the purpose of your body's first line of defense?
A. heal wounds
B. to keep out pathogens
C. reject foreign bodies
D. fight or flight
Answer:
|
B
|
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|
What functions as a framework that reinforces the shape of the leaf?
A. the stylised structure
B. the vascular structure
C. the central structure
D. the normal structure
Answer:
|
B
|
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|
Like quarks, gluons may be confined to systems having a total color of what?
A. yellow
B. red
C. blue
D. white
Answer:
|
D
|
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|
The ozone layer protects the earth from what?
A. radio waves
B. uv radiation
C. light waves
D. pollution
Answer:
|
B
|
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|
What type of learning is based on past experience and reasoning?
A. insight
B. theory
C. experiment
D. reflect
Answer:
|
A
|
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|
What type of energy from a warm cola results in melting when it is transferred to the much colder ice?
A. protective energy
B. gaseous energy
C. cyclic energy
D. thermal energy
Answer:
|
D
|
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|
What is the term for a connection between a neuron and its target cell?
A. dendrite
B. impulse
C. synapse
D. axon
Answer:
|
C
|
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|
What does the slope of a position-time graph represent?
A. velocity
B. trajectory
C. direction
D. acceleration
Answer:
|
A
|
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|
What effect causes an object to appear to have a change of motion?
A. resonant effect
B. centrifugal effect
C. coriolis effect
D. momentum effect
Answer:
|
C
|
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|
A carcinogen is nything in the environment that can cause what disease?
A. glaucoma
B. cancer
C. diabetes
D. alzheimers
Answer:
|
B
|
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|
What does the blue color of the pulmonary arteries reflect?
A. they are lost
B. they are deoxygenated
C. they are oxygenated
D. they are done
Answer:
|
B
|
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|
The trade winds are nearest what?
A. inland
B. boundary plates
C. poles
D. equator
Answer:
|
D
|
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|
Digestion of polysaccharides and disaccharides in the small intestine produces glucose and other?
A. monosaccharides
B. protein
C. fat
D. nitrates
Answer:
|
A
|
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|
What is the term for the smallest blood vessels?
A. capillaries
B. Aortas
C. arteries
D. muscles
Answer:
|
A
|
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|
In what type of body of water is most of the earth's water located?
A. seas
B. oceans
C. streams
D. rivers
Answer:
|
B
|
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|
What is one problem with current methods of aluminum production?
A. environmental contaminants
B. recycling is cheap
C. food shortages
D. competition
Answer:
|
A
|
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|
What makes the earth habitable for humans?
A. carbonate of water
B. availability of water
C. aridity of water
D. abundance of water
Answer:
|
D
|
sciq
|
Which kind of flowers carry both male and female floral organs?
A. Upward Flowers
B. stunning flowers
C. perfect flowers
D. creating flowers
Answer:
|
C
|
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|
Historically, certain bacteriophages have also been used as cloning vectors for making what?
A. diverse libraries
B. specific libraries
C. ultraviolet libraries
D. genomic libraries
Answer:
|
D
|
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|
An allele is an alternative form of what structure?
A. amino acid
B. enzyme
C. protein
D. gene
Answer:
|
D
|
sciq
|
All photosynthetic organisms contain a pigment called what?
A. Fiber
B. sodium
C. carbonate
D. chlorophyll
Answer:
|
D
|
sciq
|
Mammals may either be herbivores, omnivores or what else?
A. neither
B. polyvores
C. herbivores
D. carnivores
Answer:
|
C
|
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|
What phenomenon sometimes causes harmful alleles to become fixed?
A. competition
B. spontaneous mutation
C. genetic drift
D. natural selection
Answer:
|
C
|
sciq
|
How do you determine the atomic weight of an element?
A. subtract protons from electrons
B. add up protons and neutrons
C. divide protons and neutrons
D. multiply protons and neutrons
Answer:
|
B
|
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|
Sodium and chlorine combine to make what?
A. seawater
B. gold
C. salt
D. iron
Answer:
|
C
|
sciq
|
What can bacterial stis be cured with?
A. pesticides
B. antioxidants
C. antibiotics
D. antiviral drugs
Answer:
|
C
|
sciq
|
What do bees do for flowering plants?
A. eat
B. pollinate
C. create
D. feed
Answer:
|
B
|
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|
Where do streams often start?
A. oceans
B. plains
C. mountains
D. valleys
Answer:
|
C
|
sciq
|
Deletions remove one or more what from the dna?
A. genes
B. exons
C. nucleotides
D. codons
Answer:
|
C
|
sciq
|
For geneticists, the findings of what massive undertaking are significant in determining disease-causing alleles?
A. human produce project
B. human organisms project
C. Visible Human Project
D. human genome project
Answer:
|
D
|
sciq
|
Does deforestation increase or decrease carbon dioxide levels around the world?
A. accelerate
B. increase
C. eliminate
D. decrease
Answer:
|
B
|
sciq
|
Which material used in oxyacetylene torches helps cut and weld metals?
A. carbon
B. dioxide
C. acetylene
D. sulfur
Answer:
|
C
|
sciq
|
Peroxisomes perform a couple of different functions, including lipid metabolism and chemical detoxification. in contrast to the digestive enzymes found in lysosomes, the enzymes within peroxisomes serve to transfer hydrogen atoms from various molecules to oxygen, producing what?
A. water
B. calcium
C. hydrogen
D. hydrogen peroxide
Answer:
|
D
|
sciq
|
Ethylene, gibberellins, cytokinins, absciscic acid, and auxins are examples of what?
A. animal proteins
B. plant hormones
C. animal hormones
D. insect hormones
Answer:
|
B
|
sciq
|
What are some uses of chlorine gas?
A. fueling airplanes
B. rooting plant cuttings
C. cleaning, disinfecting and in swimming pools
D. washing hands
Answer:
|
C
|
sciq
|
Designed to exchange materials, what spongy structure consists of membranes and blood vessels from both mother and embryo?
A. uterus
B. umbilicus
C. endometrium
D. placenta
Answer:
|
D
|
sciq
|
Even though tellurium does indeed have a greater average atomic mass than iodine, it is properly placed before iodine in the?
A. periodic table
B. theory table
C. phases table
D. cycles table
Answer:
|
A
|
sciq
|
In a fullerene, what atoms are bonded to three other atoms in a soccer ball pattern?
A. oxygen
B. hydrogen
C. carbon
D. positive
Answer:
|
C
|
sciq
|
What do you call the light particles that travel through the radiative zone?
A. photons
B. neutrons
C. ions
D. electrons
Answer:
|
A
|
sciq
|
What is a mixture of potassium nitrate, sulfur, and charcoal?
A. gasoline
B. gunpowder
C. TNT
D. cyanide
Answer:
|
B
|
sciq
|
Opportunistic diseases are usually the direct cause of death of people with what disease?
A. parkinson
B. aids
C. heart
D. liver
Answer:
|
B
|
sciq
|
What is the name of an uncharged particle whose weight is nearly equal to that of a proton?
A. electron
B. proton
C. a neutron
D. a nuclei
Answer:
|
C
|
sciq
|
The chemical symbol of which ion is written first in ionic compounds?
A. good metal ion
B. last ion
C. negative ion
D. positive metal ion
Answer:
|
D
|
sciq
|
What is the opposite of rarefaction zones, where air molecules in waves are loosely packed?
A. molecules zones
B. pressure wave
C. compression zones
D. measurements zones
Answer:
|
C
|
sciq
|
What organs secrete hormones that help maintain homeostasis?
A. the lungs
B. the kidneys
C. the gonads
D. the digestion organs
Answer:
|
B
|
sciq
|
The nuclear envelope is a double-layered plasma membrane like the cell membrane, although without what?
A. membrane proteins
B. cytoplasm
C. nucleic acids
D. cell walls
Answer:
|
A
|
sciq
|
What is another name for a radioactive isotope?
A. kilocalorie
B. radiostope
C. xerophyte
D. nono particle
Answer:
|
B
|
sciq
|
Dietary proteins are broken down into amino acids during what process?
A. accumulation
B. filtration
C. photosynthesis
D. digestion
Answer:
|
D
|
sciq
|
Some gametophytes develop underground and form mycorrhizal associations with what?
A. fungi
B. animals
C. protists
D. plants
Answer:
|
A
|
sciq
|
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