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