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