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null | Question: What is the term for a mixture that varies in its composition?
Options:
A. amorphous
B. mixed composition
C. heterogeneous
D. homogeneous
Answer: | C |
null | Question: Natural methods of asexual reproduction, such as cuttings or budding, include strategies that plants have developed to perform what?
Options:
A. mono-propagation
B. multi-propagation
C. self-propagation
D. iso-propagation
Answer: | C |
null | Question: What kind of muscle is responsible for hollow organs contracting?
Options:
A. smooth muscle
B. tough muscle
C. rough muscle
D. micro muscle
Answer: | A |
null | Question: The concentration of the hydrogen ion in a solution can be calculated when what is known?
Options:
A. ph
B. pressure
C. temperature
D. velocity
Answer: | A |
null | Question: Lipids are organic compounds that consist of carbon, hydrogen, and?
Options:
A. nitrogen
B. helium
C. oxygen
D. methane
Answer: | C |
null | Question: What do you call a carnivore that eats mainly insects?
Options:
A. pescatorian
B. omnivores
C. insectivores
D. predator
Answer: | C |
null | Question: The breasts contain what to give milk to feed a baby?
Options:
A. fetal glands
B. primordial glands
C. sebaceous glands
D. mammary glands
Answer: | D |
null | Question: According to dalton's law, unless they chemically react with each other, individual gases in a mixture of gases do not affect each other’s what?
Options:
A. mass
B. density
C. weight
D. pressure
Answer: | D |
null | Question: Which asexual reproduction method do starfish use to reproduce?
Options:
A. budding
B. spawning
C. fragmentation
D. fission
Answer: | C |
null | Question: What is the term for when the water of the ocean slowly rises and falls?
Options:
A. dew
B. tides
C. currents
D. waves
Answer: | B |
null | Question: The point in the titration at which an indicator changes color is called what?
Options:
A. tipping point
B. chromatic point
C. zeta point
D. end point
Answer: | D |
null | Question: Which factor often changes a protein from an inactive form to an active form?
Options:
A. lipid groups addition
B. nitrogen groups addition
C. phosphate groups addition
D. oxygen groups addition
Answer: | C |
null | Question: Which part of the body of amphibians, easily absorbs substances from the environment?
Options:
A. skin
B. liver
C. Eyes
D. scales
Answer: | A |
null | Question: Name the physical phenomenon of the ocean that has a significant impact on both ocean life and human life.
Options:
A. el pino
B. el nieto
C. el nino
D. las nino
Answer: | C |
null | Question: What kind of solids are gummi bears or taffy?
Options:
A. imperative solids
B. amorphous solids
C. phenomena solids
D. candy solids
Answer: | B |
null | Question: The head of the sperm contains what, which holds the chromosomes?
Options:
A. nucleus
B. nerve cells
C. eggs
D. fiber
Answer: | A |
null | Question: What is it called when birds keep their eggs warm while the embryos inside develop?
Options:
A. incubation
B. spawning
C. fertilization
D. insulation
Answer: | A |
null | Question: What is an electrically neutral compound with positive and negative ions?
Options:
A. neutralized molecule
B. ionic compound
C. correlated compound
D. isotope
Answer: | B |
null | Question: Scientists often classify or organize different objects based on their what?
Options:
A. physical properties
B. behavioral traits
C. experimental properties
D. independent variables
Answer: | A |
null | Question: What is the scientific name for the human species?
Options:
A. Neanderthal
B. primate
C. homo erectus
D. homo sapiens
Answer: | D |
null | Question: What is the exchange of energy from one part of the universe to another called?
Options:
A. heat
B. cold
C. temperature
D. humidity
Answer: | A |
null | Question: What type of winds move the same way as mountain and valley breezes?
Options:
A. pyroclastic winds
B. katabatic winds
C. prevailing winds
D. planetary winds
Answer: | B |
null | Question: What unit of measure is equal to the amount of work a horse can do in 1 minute?
Options:
A. horsepower
B. watt
C. joule
D. torque
Answer: | A |
null | Question: How much time does the moon take to complete one revolution around the earth?
Options:
A. one day
B. one month
C. one year
D. one week
Answer: | B |
null | Question: What makes up 99 percent of air?
Options:
A. dioxide and nitrogen
B. oxygen and dioxide
C. phosphorus and oxygen
D. nitrogen and oxygen
Answer: | D |
null | Question: What is the protist kingdom sometimes called as?
Options:
A. fossil can kingdom
B. flora can system
C. trash can kingdom
D. plant can kingdom
Answer: | C |
null | Question: Which state of matter is not common on earth?
Options:
A. plasma
B. liquid
C. respiration
D. gas
Answer: | A |
null | Question: What is a representation of the valence electrons of an atom that uses dots around the symbol of the element?
Options:
A. watson structure
B. time structure
C. lewis structure
D. right structure
Answer: | C |
null | Question: Located above the stratosphere, what layer is the place where meteors burn up?
Options:
A. atmosphere
B. troposphere
C. mesosphere
D. unisphere
Answer: | C |
null | Question: What is required to break down and build up molecules and to transport molecules across plasma membranes?
Options:
A. calcium
B. salt
C. energy
D. electricity
Answer: | C |
null | Question: Prokaryotes can reproduce quickly by what?
Options:
A. residual fission
B. solar fission
C. multiple fission
D. binary fission
Answer: | D |
null | Question: According to the english system measurement, how much is equal to 2 pints, 1 quart, and ¼ of a gallon?
Options:
A. 4 cups
B. 2 cups
C. 3 cups
D. 1 cup
Answer: | A |
null | Question: Echinoderms have a unique system for gas exchange, nutrient circulation, and locomotion called the water vascular system. the system consists of a central ring canal and radial canals extending along each arm. water circulates through these structures allowing for gas, nutrient, and this?
Options:
A. cell exchange
B. water evaporation
C. waste exchange
D. nerve exchange
Answer: | C |
null | Question: Though viruses are not considered living, they share two important traits with living organisms: they have genetic material and they can undergo what process?
Options:
A. generation
B. learning
C. sexual reproduction
D. evolution
Answer: | D |
null | Question: What is the process of changing something from a gas to a liquid?
Options:
A. condensation
B. combustion
C. sublimation
D. fermentation
Answer: | A |
null | Question: What part of earth do many animals use for navigation?
Options:
A. atmosphere
B. magnetic field
C. molten core
D. oceans
Answer: | B |
null | Question: What is rusting an example of?
Options:
A. radiation change
B. Decomposition
C. contamination change
D. chemical change
Answer: | D |
null | Question: What type of treatment is being researched that may cure or prevent genetic disorders?
Options:
A. regulatory therapy
B. gene therapy
C. preventive therapy
D. variation therapy
Answer: | B |
null | Question: In a scientific investigation, what do you call a direct, physical observation of something or a process?
Options:
A. sighting
B. evidence
C. reason
D. declaration
Answer: | B |
null | Question: What is the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane?
Options:
A. metastasis
B. endocytosis
C. ectocytosis
D. autolysis
Answer: | B |
null | Question: The formation of an amalgam allows the metal to react with what?
Options:
A. cloth and plastic
B. helium and oxygen
C. air and water
D. blood and sweat
Answer: | C |
null | Question: The binding of complementary bases allows dna molecules to take their well-known shape, called a what?
Options:
A. triple helix
B. simple helix
C. single helix
D. double helix
Answer: | D |
null | Question: When volcanoes erupt, what from the mantle is released as carbon dioxide into the air?
Options:
A. hydrogen
B. lava
C. vapor
D. carbon
Answer: | D |
null | Question: What are terrestrial biomes determined by?
Options:
A. pressure and temperature
B. moisture and elevation
C. temperature and moisture
D. time and temperature
Answer: | C |
null | Question: The rock of the mantle is mostly what?
Options:
A. crystalline
B. peridotite
C. silicon
D. metamorphic
Answer: | B |
null | Question: What process allows an individual to develop from a single cell into an organism with trillions of cells?
Options:
A. Cell multiplication
B. cell division
C. cell transition
D. cell function
Answer: | B |
null | Question: What is a shortage of water that causes the soil to dry from the surface down called?
Options:
A. drought
B. overflowage
C. tidal wave
D. flood
Answer: | A |
null | Question: What type of orbit do the planets make in the solar system?
Options:
A. elliptical
B. vertical
C. figure eight
D. conical
Answer: | A |
null | Question: Found in plants and algae, chloroplasts are the site of what process?
Options:
A. photosynthesis
B. spermatogenesis
C. glycolysis
D. transferase
Answer: | A |
null | Question: What are located on either side of the pharynx in the throat?
Options:
A. testicles
B. tonsils
C. wrinkles
D. lymph nodes
Answer: | B |
null | Question: Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
Options:
A. toe
B. cranium
C. foot
D. hip
Answer: | D |
null | Question: What human disease is caused by a defective enzyme that is unable to produce melanin, the pigment responsible for the color of skin and hair?
Options:
A. albinism
B. anemia
C. mutations
D. hemophilia
Answer: | A |
null | Question: What do we call the study of rock layers?
Options:
A. mineralogy
B. stratigraphy
C. geology
D. sedimentary
Answer: | B |
null | Question: The small, egg-shaped organs that lie on either side of the uterus are called?
Options:
A. lungs
B. kidneys
C. ovaries
D. glands
Answer: | C |
null | Question: What happens when forces of evolution work over a long period of time?
Options:
A. developmental evolution
B. Microevolution
C. substantial evolution
D. macroevolution
Answer: | D |
null | Question: Similarity that results from common ancestry is known as what?
Options:
A. heterogeny
B. affinity
C. duality
D. homology
Answer: | D |
null | Question: What is the distinctive shape of the molecule that contains genetic information?
Options:
A. spiral
B. cube
C. conical
D. cylindrical
Answer: | A |
null | Question: Where does slime mold typically live?
Options:
A. decaying plant life and in the soil
B. in the jungle
C. in the soil and in glaciers
D. in the sea
Answer: | A |
null | Question: There are only four possible bases that make up each dna nucleotide: adenine, guanine, thymine, and?
Options:
A. taurine
B. cytosine
C. guarine
D. phenylalanine
Answer: | B |
null | Question: Deoxyribonucleic acid (dna) is nucleotide that stores what type of information?
Options:
A. genetic
B. mutation
C. mononucleus
D. variation
Answer: | A |
null | Question: What do you call the temperature at which a liquid boils and starts changing to a gas?
Options:
A. transformation point
B. melting point
C. vapor point
D. boiling point
Answer: | D |
null | Question: Polygenic traits result in a distribution that resembles a curve. what is the shape of the curve?
Options:
A. W-shaped
B. J-shaped
C. bell-shaped
D. egg-shaped
Answer: | C |
null | Question: The ability to what is affected by the velocity, or speed, of the water?
Options:
A. impede
B. erode
C. construct
D. hinder
Answer: | B |
null | Question: Population size is the number of what in a population?
Options:
A. humans
B. proteins
C. subdivisions
D. individuals
Answer: | D |
null | Question: What is the first stage of cellular respiration called?
Options:
A. glycolysis
B. appetite
C. photosynthesis
D. reproduction
Answer: | A |
null | Question: Found in cord blood and other sources, what kind of cells hold the promise of renewing and repairing body tissues?
Options:
A. stem cells
B. neurons
C. red blood cells
D. white blood cells
Answer: | A |
null | Question: At what temperatures do alkanes with more carbon atoms boil?
Options:
A. farther temperatures
B. heavier temperatures
C. higher temperatures
D. lower temperatures
Answer: | C |
null | Question: What planet has a surface temperature of over 400 degrees celsius, no oxygen, an atomsphere comprised mainly of carbon dioxide and tremendous atmospheric pressure?
Options:
A. venus
B. Mars
C. Earth
D. uranus
Answer: | A |
null | Question: Joules and calories are the units of what?
Options:
A. weight and energy
B. heat and velocity
C. mass and potential
D. energy and heat
Answer: | D |
null | Question: What is the force that pulls downward on an object and is measured by weight?
Options:
A. light
B. work
C. gravity
D. strength
Answer: | C |
null | Question: Plants and algae maintain the atmosphere. during photosynthesis, they add oxygen and remove what?
Options:
A. carbon dioxide
B. nitrogen
C. methane
D. water
Answer: | A |
null | Question: What is the transparent outer covering of the eye?
Options:
A. iris
B. retina
C. pupil
D. cornea
Answer: | D |
null | Question: People with red hair usually have what type of skin?
Options:
A. dry
B. light
C. dark
D. oily
Answer: | B |
null | Question: What process provides more than 99% of energy?
Options:
A. glycolysis
B. cellular respiration
C. nuclear fusion
D. photosynthesis
Answer: | D |
null | Question: Snake venom may join the class of drugs collectively known as thrombolytic agents, which can help speed up the degradation of an abnormal what?
Options:
A. brain
B. bleed
C. clot
D. bone
Answer: | C |
null | Question: A synergist that makes the insertion site more stable is called a what?
Options:
A. dominator
B. lesion
C. kilocalorie
D. fixator
Answer: | D |
null | Question: What is the measure of the amount of energy found in sound waves?
Options:
A. frequency
B. density
C. intensity
D. decibels
Answer: | C |
null | Question: When a metal is oxidized and a nonmetal is reduced in a redox reaction, what is the resulting compound called?
Options:
A. soluble compound
B. magnetic compound
C. ionic compound
D. alloy
Answer: | C |
null | Question: Many glasses eventually crystallize, rendering them brittle and this?
Options:
A. powdered
B. opaque
C. soft
D. molten
Answer: | B |
null | Question: What is the terme for water vapor changing to liquid water?
Options:
A. evaporation
B. transubstantiation
C. freezing
D. condensation
Answer: | D |
null | Question: Birds and insects perform what function for flowering plants?
Options:
A. vegetation
B. pollination
C. condensation
D. irrigation
Answer: | B |
null | Question: If a substance has a ph value greater than 7, what does it indicate?
Options:
A. neutral
B. base
C. volatile
D. acidic
Answer: | B |
null | Question: What is most energy that is lost to the environment lost as?
Options:
A. gravity
B. precipitation
C. vapor
D. heat
Answer: | D |
null | Question: What type of organism causes many common diseases such as strep throat and food-borne illnesses?
Options:
A. prion
B. parasite
C. virus
D. bacteria
Answer: | D |
null | Question: What process is the opposite of fusion and releases energy only when heavy nuclei are split?
Options:
A. diffusion
B. osmosis
C. fission
D. activation
Answer: | C |
null | Question: What rigid external structure protects shellfish and other animals and provides points of attachment for the muscles that move the appendages?
Options:
A. claw
B. exoskeleton
C. cocoon
D. membrane
Answer: | B |
null | Question: When both objects have a positive charge what will the force be between them?
Options:
A. repulsive
B. attractive
C. expressive
D. polar
Answer: | A |
null | Question: What happens when water is removed from the endospore?
Options:
A. hibernation
B. reversal
C. its metabolism halts
D. suspension
Answer: | C |
null | Question: An infection may be intracellular or extracellular, depending on this?
Options:
A. microbes
B. pathogen
C. bacteria
D. pollen
Answer: | B |
null | Question: Unlike eukaryotic cells, dna and rna synthesis in prokaryotic cells occurs together with synthesis of what?
Options:
A. membrane
B. fruit
C. protein
D. mutation
Answer: | C |
null | Question: What is the term for the flow of charge that a voltage source creates?
Options:
A. output
B. velocity
C. current
D. force
Answer: | C |
null | Question: The fetal stage begins about how long after fertilization?
Options:
A. two months
B. four months
C. one month
D. three months
Answer: | A |
null | Question: The epochs of the universe are known back to very shortly after what 'explosive' event?
Options:
A. major bang
B. big bang
C. Biggest bang
D. Explosive bang
Answer: | B |
null | Question: What do prevailing winds influence?
Options:
A. temperature
B. barometric pressure
C. weather
D. climate
Answer: | D |
null | Question: What type of electrons do all group 14 elements have four of?
Options:
A. internal
B. second layer
C. shell
D. valence
Answer: | D |
null | Question: G2 and s are phases in what process that is important in cell division?
Options:
A. mitosis
B. cytokinesis
C. osmosis
D. tissues
Answer: | A |
null | Question: The nitrogen cycle moves nitrogen back and forth between the atmosphere and what?
Options:
A. organisms
B. Ozone Layer
C. Ocean
D. sediments
Answer: | A |
null | Question: The planets orbit around what celestial body?
Options:
A. horizon
B. sun
C. moon
D. earth
Answer: | B |
null | Question: Why is closed reduction simpler than open reduction in bone repair?
Options:
A. no medicine needed
B. no treatment needed
C. no surgery needed
D. no pain pills needed
Answer: | C |
null | Question: Sodium-potassium pumps help nerve cells establish a voltage across their what?
Options:
A. sodium membranes
B. plasma membranes
C. cell walls
D. potassium membranes
Answer: | B |
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