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What type of sti is characterized by blisters?
A. genital herpes
B. gonorrhea
C. syphilis
D. chlamydia
Answer:
|
A
|
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|
Radioactive isotopes are characterized by an unstable what?
A. shell
B. nuclei
C. proton
D. electrons
Answer:
|
B
|
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|
What exposure risk comes with aerobic respiration?
A. carbon toxicity
B. helium toxicity
C. oxygen toxicity
D. nitrogen toxicity
Answer:
|
C
|
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|
What are mammals called that reproduce by laying eggs?
A. amphibians
B. monotremes
C. Fish
D. marsupials
Answer:
|
B
|
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|
In multicellular organisms, only mutations in cell lines that produce gametes can be passed to what?
A. proteins
B. cells
C. offspring
D. clones
Answer:
|
C
|
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|
What type of invertebrates are jellyfish and corals known as?
A. cephalopods
B. nautilus
C. sponges
D. cnidarians
Answer:
|
D
|
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|
Living things are highly organized following a hierarchy that includes atoms, molecules, organelles, cells, tissues, organs, and organ systems. organisms, in turn, are grouped as populations, communities, ecosystems, and this?
A. biosphere
B. bionicsphere
C. endosphere
D. hydrosphere
Answer:
|
A
|
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|
Carbonic acid can dissociate into hydrogen carbonate ions and what?
A. atoms
B. protons
C. protons
D. electrons
Answer:
|
B
|
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|
Respiration cycles the organic carbon into which gas?
A. carbon dioxide
B. oxygen
C. liquid dioxide
D. phosphorus dioxide
Answer:
|
A
|
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|
What type of bonds between the bases at the center of the dna double helix hold the helix together?
A. helium bonds
B. ionic bonds
C. electron bonds
D. hydrogen bonds
Answer:
|
D
|
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|
What are changes in makeup and chemical properties of matter called?
A. mineral changes
B. chemical changes
C. radical changes
D. carbonate changes
Answer:
|
B
|
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|
Mammals generate heat primarily by maintaining a high rate of what?
A. respiration
B. movement
C. metabolism
D. reproduction
Answer:
|
C
|
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|
The fossil record indicates that anthropoids began diverging from other primates about how many million years ago?
A. 70
B. 50
C. 40
D. 60
Answer:
|
B
|
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|
What is the oxygen carrying component of red blood cells called?
A. platlet
B. molecule
C. mitochondria
D. hemoglobin
Answer:
|
D
|
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|
What is a disease in which the immune system makes an inflammatory response to a harmless antigen?
A. bronchitis
B. an allergy
C. cancer
D. heartburn
Answer:
|
B
|
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|
The umbilical cord connects the fetus to what structure?
A. uterus
B. Ovaries
C. cell
D. placenta
Answer:
|
D
|
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|
The vector of what organism is significant on a map showing the location of malaria?
A. virus
B. worm
C. fungi
D. mosquito
Answer:
|
D
|
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|
What is the smallest particle of an element that still has the properties of that element is called?
A. proton
B. neutron
C. atom
D. nucleus
Answer:
|
C
|
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|
What is already causing food and water shortages and species extinctions?
A. zero population growth
B. urbanization
C. global warming
D. immigration
Answer:
|
C
|
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|
What is the foundation species of coral reef ecosystems?
A. crystals
B. anemones
C. coral
D. molluscs
Answer:
|
C
|
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|
When the ph of precipitation is lowered because of air pollution, what results?
A. sleet
B. abnormal rain
C. climate change
D. acid rain
Answer:
|
D
|
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|
What type of barrier physically blocks pathogens from entering the body?
A. Solid
B. potential
C. mechanical
D. molecular
Answer:
|
C
|
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|
In what do a roundworm's eggs pass from host to the environment?
A. arms
B. feces
C. mouth
D. skin
Answer:
|
B
|
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|
What is the name of the command center of the cell?
A. nucleus
B. vacuole
C. mitochondria
D. molecules
Answer:
|
A
|
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|
What does the ending 'ology' refer to?
A. theory of
B. focus of
C. study of
D. Application Of
Answer:
|
C
|
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|
What is the only natural phenomenon that causes more damage than earthquakes?
A. volcanos
B. landslides
C. blizzards
D. hurricanes
Answer:
|
D
|
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|
What is the hypothesis that states that the biosphere is its own living organism?
A. gaia hypothesis
B. Big Bang theory
C. Geiger theory
D. Pascal's hypothesis
Answer:
|
A
|
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|
The kinetic energy of molecules is generally proportionate to what other property that they have?
A. precipitation
B. mass
C. variation
D. temperature
Answer:
|
D
|
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|
Several neuropeptides, relatively short chains of amino acids, serve as neurotransmitters that operate via metabotropic what?
A. membranes
B. lipids
C. organelles
D. receptors
Answer:
|
D
|
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|
What kind of process is boiling?
A. chemical
B. isothermal
C. spheroidal
D. cavitation
Answer:
|
B
|
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|
In science, what is constantly tested, sometimes revised, sometimes thrown out and sometimes well-established?
A. a study
B. a theory
C. a technique
D. a variable
Answer:
|
B
|
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|
What is the name of the process in which both the system and its environment can return to exactly the states they were in by following the reverse path?
A. Different Process
B. reversible process
C. conductive process
D. Remote process
Answer:
|
B
|
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|
What must be present on a plant where ladybugs will lay their eggs?
A. butterflies
B. mites
C. aphids
D. dew drops
Answer:
|
C
|
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|
In birds, lightweight air-filled bones and a large four-chambered heart are examples of adaptations for what purpose?
A. flight
B. mating
C. long lifespan
D. speed
Answer:
|
A
|
sciq
|
Chemical and solar cells are devices that change chemical or light energy to what?
A. cellular
B. electrical energy
C. temperature energy
D. occurring energy
Answer:
|
B
|
sciq
|
Stoichiometric coefficients are used in chemical equations to indicate the amounts of reactants and what?
A. fuels
B. products
C. consumers
D. imports
Answer:
|
B
|
sciq
|
Like acetic acid, pentanoic acid is what kind of acid?
A. amino
B. hydroxyl
C. carboxylic
D. carbonic
Answer:
|
C
|
sciq
|
A solute generally has what effect on the boiling point of a solvent?
A. lowers
B. none
C. raises
D. randomizes
Answer:
|
C
|
sciq
|
What type of climates are found around the equator?
A. arctics
B. arid
C. tropical
D. tundras
Answer:
|
C
|
sciq
|
What kind of planet do we consider ceres to be?
A. dwarf planet
B. gas planet
C. minor planet
D. binary planet
Answer:
|
A
|
sciq
|
How many pairs of legs does a millipede have per body segment?
A. eight
B. four
C. two
D. one
Answer:
|
C
|
sciq
|
What is the fertilization step in the sexual reproduction of plants?
A. pollination
B. evolution
C. Fornications
D. hibernation
Answer:
|
A
|
sciq
|
How do you add two dimensional vectors?
A. linearly
B. geometrically
C. topologically
D. graphically
Answer:
|
B
|
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|
The fact that all living things share the same biochemical building blocks is molecular evidence of what theorized process?
A. emergence
B. generation
C. evolution
D. creation
Answer:
|
C
|
sciq
|
When the monocilia are defective, what is disrupted?
A. inhibiting
B. signaling
C. triggering
D. predicting
Answer:
|
B
|
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|
What is a copy of an object that is formed by reflected light?
A. example
B. deflection
C. image
D. instance
Answer:
|
C
|
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|
Hypoxia is a condition of the reduced supply of what?
A. nitrogen
B. oxygen
C. food
D. methane
Answer:
|
B
|
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|
What part of an atom is positive due to the presence of positively charged protons?
A. Proton
B. Electron
C. Neutron
D. nucleus
Answer:
|
D
|
sciq
|
Organs of what male biological system include the penis, testes, and epididymis?
A. immune system
B. circulatory system
C. romantic system
D. reproductive system
Answer:
|
D
|
sciq
|
At certain times of year, a stream or river may overflow its banks. what is the area of land that is flooded called?
A. inlet
B. lowland
C. run off
D. floodplain
Answer:
|
D
|
sciq
|
What are the major types anchoring proteins?
A. semimetals and occludins
B. claudins and occludins
C. claudins and semimetals
D. amino and fatty acids
Answer:
|
B
|
sciq
|
The process where an atomic nucleus breaks apart into two less massive nuclei is known as ______.
A. fission
B. collision
C. diffusion
D. fusion
Answer:
|
A
|
sciq
|
Sugar and starch are examples of what type of nutrient?
A. vitamins
B. carbohydrates
C. fat
D. proteins
Answer:
|
B
|
sciq
|
What term describes a property of a liquid based on the strength of its intermolecular forces?
A. tissue pressure
B. cellular pressure
C. vapor pressure
D. analogous pressure
Answer:
|
C
|
sciq
|
What do a river and all its tributaries make up?
A. water system
B. river system
C. abundance system
D. food system
Answer:
|
B
|
sciq
|
What structure is the site of all of the basic biochemical processes that keep organisms alive?
A. Element
B. cell
C. particle
D. Atom
Answer:
|
B
|
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|
How does the magnetic field produced by a current in a wire move?
A. in concentric circles
B. intermittently
C. slowly
D. counterclockwise
Answer:
|
A
|
sciq
|
What are the 3 types of volcanoes?
A. composite, seismic, fault
B. composite , atop , cinder cones
C. composite, shield, cinder cones
D. crude , shield , cinder cones
Answer:
|
C
|
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|
The fast motion of gas particles gives them a relatively large amount of what energy?
A. Chemical energy
B. Potential energy
C. residual energy
D. kinetic energy
Answer:
|
D
|
sciq
|
When do alkane reactions usually occur?
A. under extreme conditions
B. underwater
C. in cold climates
D. at high altitudes
Answer:
|
A
|
sciq
|
What do you call scientists that study the weather, specifically?
A. meteorologists
B. forecasters
C. hydrologists
D. geologists
Answer:
|
A
|
sciq
|
What replicates in the s phase of interphase, resulting in chromosomes composed of two linked sister chromatids?
A. dna
B. RNA
C. hormones
D. protein
Answer:
|
A
|
sciq
|
What is located beneath the lithosphere?
A. magnetosphere
B. hydropshere
C. troposphere
D. asthenosphere
Answer:
|
D
|
sciq
|
What travels 9.5 trillion kilometers a year?
A. Sound
B. air
C. electricity
D. light
Answer:
|
D
|
sciq
|
What population on earth is already harming the environment due to less resources to go around?
A. rats
B. humans
C. whales
D. insects
Answer:
|
B
|
sciq
|
What is the female reproductive structure of a flower called?
A. the pistil
B. the stamen
C. the stigma
D. the pollinator
Answer:
|
A
|
sciq
|
Red giants are stars that fuse what element into larger atoms?
A. oxygen
B. carbon
C. hydrogen
D. helium
Answer:
|
D
|
sciq
|
What normal bodily occurrence can cause skeletal muscles to involuntarily contract?
A. respiration
B. movement
C. thinking
D. reflexes
Answer:
|
D
|
sciq
|
What is the outer layer of the adrenal gland called?
A. medulla
B. zona reticularis
C. adrenal skin
D. adrenal cortex
Answer:
|
D
|
sciq
|
Why would prokaryotes be chemotrophs instead of phototrophs in a deep-sea hydrothermal vent?
A. too much light
B. too cold
C. too much heat
D. lack of light
Answer:
|
D
|
sciq
|
How do wolves learn to hunt as a group?
A. trial and error
B. primordial learning
C. mirroring
D. observational learning
Answer:
|
D
|
sciq
|
What is the common term for water in its solid state?
A. ice
B. sea
C. vapor
D. precipitation
Answer:
|
A
|
sciq
|
If an air mass forms over an ocean it is called what type of air mass?
A. hurricane
B. tropical
C. maritime
D. cumulus
Answer:
|
C
|
sciq
|
What is the middle layer that hair pass through before exiting at the surface of the skin?
A. epithelial tissue
B. cuticle
C. epidermis
D. dermis
Answer:
|
C
|
sciq
|
High per capita use of what means the ecological footprint of the united states is large?
A. resources
B. food
C. green energy
D. money
Answer:
|
A
|
sciq
|
Lakes, ponds, streams, springs, and wetlands are?
A. land formations
B. fresh water bodies
C. man-made structures
D. salt water bodies
Answer:
|
B
|
sciq
|
What is the the force of attraction that holds together ions?
A. magnetic bond
B. covalent bond
C. soluble bond
D. ionic bond
Answer:
|
D
|
sciq
|
What is the ability of a material to return to its original shape after being stretched or compressed?
A. elasticity
B. acidity
C. solubility
D. viscosity
Answer:
|
A
|
sciq
|
How much of the soil is made of pieces of rock and minerals?
A. about half
B. one third
C. two third
D. three fourth
Answer:
|
A
|
sciq
|
Comprised mainly of collagen and associated with long bones and the skull, hyaline is the most widespread type of what?
A. collagen
B. tissue
C. cytoplasm
D. enzymes
Answer:
|
A
|
sciq
|
Bacterial dna is contained in one circular chromosome, located where?
A. neuron
B. cerebellum
C. cytoplasm
D. mucus
Answer:
|
C
|
sciq
|
During which phase is the moon more than half lit but not full?
A. gibbous phase
B. new
C. crescent
D. waxing
Answer:
|
A
|
sciq
|
What force is caused by microscopic bumps, lumps, and imperfections colliding?
A. motion
B. friction
C. gravitational
D. tension
Answer:
|
B
|
sciq
|
What is the period during which humans become sexually mature called?
A. puberty
B. maturity
C. adolescence
D. adulthood
Answer:
|
A
|
sciq
|
What is another word for brooding- keeping eggs warm while the embryos develop?
A. fertilization
B. hibernation
C. incubation
D. spawning
Answer:
|
C
|
sciq
|
Which type of natural disturbance in temperate grasslands, can be caused by a lightning strike?
A. fire
B. avalanche
C. drought
D. mass extinction
Answer:
|
A
|
sciq
|
What is another name for mother of pearl?
A. calcium
B. pigment
C. enamel
D. nacre
Answer:
|
D
|
sciq
|
What type of salts are secreted into the small intestine to aid in the digestion of fats?
A. bile
B. zinc
C. sodium
D. Table Salt
Answer:
|
A
|
sciq
|
Lavas that cool underwater are called what?
A. water lavas
B. bed lavas
C. pillow lavas
D. sea lavas
Answer:
|
C
|
sciq
|
What is oceanography the study of?
A. waters
B. oceans
C. bodies of water
D. seas
Answer:
|
B
|
sciq
|
What tissue system has neither dermal nor vascular tissues?
A. work tissue system
B. internal tissue system
C. ground tissue system
D. external tissue system
Answer:
|
C
|
sciq
|
Around 97% of all water on earth is what type of water?
A. excess water
B. salt water
C. rivers water
D. fresh water
Answer:
|
B
|
sciq
|
Which type of diabetes is more common?
A. gestational diabetes
B. type 2
C. juvenile diabetes
D. type 1
Answer:
|
B
|
sciq
|
All waves are the way energy travels through what?
A. matter
B. space
C. vacuums
D. time
Answer:
|
A
|
sciq
|
What is the cause of behavioral difference between populations?
A. environmental factors
B. genetic differences
C. genetic wavelengths
D. electromagnetic differences
Answer:
|
B
|
sciq
|
What is the term for the process in which glucose is made using light energy?
A. photosynthesis
B. compress
C. glycolysis
D. hydration
Answer:
|
A
|
sciq
|
Skeletal muscle tissue is arranged in bundles surrounded by this?
A. cartilage
B. epithelial tissue
C. connective tissue
D. soft tissue
Answer:
|
C
|
sciq
|
What element on the periodic table forms the most diverse compounds?
A. oxygen
B. helium
C. hydrogen
D. carbon
Answer:
|
D
|
sciq
|
As the number of unpaired electrons increases, what happens to the magnetic moment?
A. gets smaller
B. is destroyed
C. gets larger
D. remains the same
Answer:
|
C
|
sciq
|
What kind of container is used to measure heat changes during a chemical reaction or physical process?
A. thermal flask
B. graduated cylinder
C. hydrostatic
D. calorimeter
Answer:
|
D
|
sciq
|
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