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