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Question: A membrane has what property if it can control what molecules or ions enter or leave the cell?
Options:
A. selective permeability
B. susceptible permeability
C. impermeability
D. indiscreet permeability | A |
Question: What is the term for the amount of space taken up by an object?
Options:
A. size
B. volume
C. weight
D. mass | B |
Question: What is the most common form of cancer in women?
Options:
A. lung cancer
B. ovarian cancer
C. melanoma
D. breast cancer | D |
Question: Exposure to what is the most common cause of hearing loss?
Options:
A. Guitar
B. loud sounds
C. angry sounds
D. outside sounds | B |
Question: What basic plant structures generally have large surface areas and high surface-to-volume ratios?
Options:
A. stems
B. roots
C. leaves
D. flowers | C |
Question: What is the main component of phytoplankton?
Options:
A. cells
B. algae
C. amoebas
D. seawater | B |
Question: Metabolic enzymes catalyze catabolic reactions that break down what?
Options:
A. carbohydrates
B. impurities
C. lipids
D. proteins | A |
Question: Ponds and lakes are examples of what kind of biome?
Options:
A. standing liquid biome
B. standing freshwater biome
C. standing lake biome
D. standing marine biome | B |
Question: The skeletons of humans and horses are examples of what?
Options:
A. pliant skeletons
B. hydroskeleton
C. endoskeletons
D. exoskeletons | C |
Question: What type of tissue transports water, nutrients, and food in plants?
Options:
A. vascular tissue
B. smooth tissue
C. normal tissue
D. rough tissue | A |
Question: Stomata are special pores that allow gasses to enter and exit what?
Options:
A. the skin
B. the leaf
C. the flower
D. the soil | B |
Question: What is created when the wave source moves faster than the wave propagation speed?
Options:
A. superceding wake
B. piece wake
C. bow wake
D. loop wake | C |
Question: In a transverse wave, the highest point the wave reaches is known as the?
Options:
A. crest
B. flow
C. valley
D. axis | A |
Question: Which orbitals do electrons fill first?
Options:
A. closest to the nucleus
B. charged orbitals
C. furthest from nucleus
D. empty orbitals | A |
Question: Many discrete characters are determined by a single gene locus with different alleles that produce distinct what?
Options:
A. phenotypes
B. subtypes
C. phototypes
D. clusters | A |
Question: What is the hardest type of coal?
Options:
A. Bituminous
B. lignite
C. anthracite
D. peat | C |
Question: All cells have voltages across their what?
Options:
A. nuclei
B. display membranes
C. ribosomes
D. plasma membranes | D |
Question: Which is the largest planet in our solar system?
Options:
A. titan
B. neptune
C. jupiter
D. uranus | C |
Question: A crucial function of the cranial nerves is to keep visual stimuli centered on the fovea of what eye structure?
Options:
A. pupil
B. scelra
C. iris
D. retina | D |
Question: In what process is energy from the sun converted to stored chemical energy in an organism?
Options:
A. metabolism
B. photosynthesis
C. digestion
D. cellular respiration | B |
Question: Sunlight gives plants the energy they need for what?
Options:
A. photosynthesis
B. respiration
C. absorption
D. glycolysis | A |
Question: What is lowered when salts go into ion form?
Options:
A. charge
B. resistance
C. voltage
D. power | B |
Question: What is produced during the hydrogenation of vegetable oils?
Options:
A. rich fatty acids
B. complete fatty acids
C. trans fatty acids
D. partially-hydrogenated fatty acids | C |
Question: Where does fertilization usually take place?
Options:
A. uterus
B. fallopian tubes
C. vagina
D. ovary | B |
Question: What monitors the level of carbon dioxide in the blood?
Options:
A. the heart
B. the kidneys
C. the brain stem
D. the lungs | C |
Question: When volume does not change, temperature is proportional to what other property?
Options:
A. pressure
B. resistance
C. Length
D. Density | A |
Question: Single-displacement reactions are a subset of what?
Options:
A. gravitational reactions
B. kinetic reactions
C. redox reactions
D. particle reactions | C |
Question: What is the process by which the substances you consume are taken up by the blood?
Options:
A. filtration
B. absorption
C. digestion
D. evaporation | B |
Question: Why do electronegativities decrease from top to bottom?
Options:
A. larger atomic variation
B. larger atomic size
C. smaller atomic size
D. larger electric pull | B |
Question: What are the three types of symbiosis?
Options:
A. commensalism, osmosis, internalization
B. connectionism , parasitism , commensalism
C. internalization , parasitism , commensalism
D. mutualism, parasitism, commensalism | D |
Question: What term is used to describe the ability to change or move matter?
Options:
A. energy
B. inertia
C. speed
D. mass | A |
Question: What measures exactly how much gravity is pulling on something?
Options:
A. size
B. dimension
C. weight
D. matter | C |
Question: Where do producers in an ecosystem generally get their energy from?
Options:
A. the sun
B. consumers
C. predators
D. chlorophyll | A |
Question: Generators usually transform kinetic energy into what kind of energy?
Options:
A. subsequent energy
B. nuclear energy
C. potential energy
D. electrical energy | D |
Question: Most modern seed plants are angiosperms that produce seeds in the what of flowers?
Options:
A. kidneys
B. lungs
C. ovaries
D. stems | C |
Question: Most enzymes are classified as what?
Options:
A. acids
B. hormones
C. proteins
D. lipids | C |
Question: Each hemisphere of the brain contains regions called what that are involved in different functions?
Options:
A. folds
B. nodes
C. chambers
D. lobes | D |
Question: Emphysema is a chronic disease caused by the breakdown of the what tissue?
Options:
A. lung
B. brain
C. liver
D. heart | A |
Question: Lactose is a disaccharide consisting of the monomers glucose and what?
Options:
A. galactose
B. sucrose
C. fructose
D. glycerol | A |
Question: Why does photosynthesis not occur in the deep-water zone?
Options:
A. it is dark
B. it is stagnant
C. it is pressurized
D. it is cold | A |
Question: What, now former, planet is small, icy, and rocky?
Options:
A. jupiter
B. neptune
C. mercury
D. pluto | D |
Question: What process allows plants to convert light energy into sugars and energy for food?
Options:
A. photosynthesis
B. respiration
C. digestion
D. glycolysis | A |
Question: What is the equation of power released?
Options:
A. uptake x current
B. voltage x current
C. amplitude x current
D. detonation x current | B |
Question: Silencing genes through epigenetic mechanisms is commonly practiced on what type of uncontrolled cells?
Options:
A. cancer cells
B. innoculous cells
C. neutral cells
D. giving cells | A |
Question: Along with muscles, what helps the body move with relatively little force?
Options:
A. joints
B. glands
C. nerves
D. limbs | A |
Question: What process do all species use to make the next generation?
Options:
A. differentiation
B. separation
C. reproduction
D. variation | C |
Question: According to one of einstein's theory, while light consists of particles, it behaves like this.
Options:
A. thermodynamics
B. molecules
C. tides
D. waves | D |
Question: Soil forms where land areas are what?
Options:
A. cool
B. solid
C. merging
D. flat | D |
Question: An estimated 99 percent of the species that have ever lived on earth no longer exist, showing that what event is common?
Options:
A. over fishing
B. accumulation
C. extinction
D. pollution | C |
Question: What type of energy is the energy of moving matter?
Options:
A. residual energy
B. potential energy
C. dynamic energy
D. kinetic energy | D |
Question: What does bile help to digest ?
Options:
A. fat
B. nuts
C. protein
D. food | A |
Question: A gene may have different versions called what?
Options:
A. alleles
B. peptides
C. genomes
D. locus | A |
Question: Nonvascular plants lack vascular tissue and what?
Options:
A. cells
B. chlorophyll
C. seeds
D. cytoplasm | C |
Question: What is a mixture of metal with one or more other elements?
Options:
A. an alkali metal
B. an alloy
C. a metalloid
D. a halloid | B |
Question: Pheromones enable what, which is vital for organisms like ants that live in a large community?
Options:
A. adaptation
B. asexual reproduction
C. communication
D. migration | C |
Question: What is the part of the shadow that is partially lit called?
Options:
A. pentila
B. eclipse
C. pleura
D. penumbra | D |
Question: When a mountain stream flows onto flatter land and comes to a stop rapidly, what do the deposits form?
Options:
A. upstream fan
B. conical fan
C. vertical fan
D. alluvial fan | D |
Question: The processes of homeostasis and temperature control are centered in the hypothalamus of the advanced animal brain, thus thermoregulation depends on what organ system?
Options:
A. digestive system
B. nervous system
C. circulatory system
D. cardiovascular system | B |
Question: Light from objects at different distances is focused by what part of the eye?
Options:
A. meniscus
B. iris
C. lens
D. pupil | C |
Question: Breaking a window with a baseball is an example of what kind of change in matter?
Options:
A. sudden
B. physical
C. unusual
D. chemical | B |
Question: Scientists will often observe and then what the reason why a phenomenon occurred?
Options:
A. realize
B. hypothesize
C. normalize
D. theorize | B |
Question: Similar to the coil on a stove, changes in what reflect an increase in the temperature of a star?
Options:
A. direction
B. rotation
C. texture
D. color | D |
Question: Proto-oncogenes are positive cell-cycle regulators but when mutated, they can become what?
Options:
A. bacteria and cause cancer
B. cultigens and cause cancer
C. microbes and cause cancer
D. oncogenes and cause cancer | D |
Question: When the maximum amount of solute has been dissolved in a given amount of solvent, we say that the solution is what?
Options:
A. saturated
B. used
C. empty
D. blended | A |
Question: What is the movement of substances across the membrane without the expenditure of cellular energy called?
Options:
A. active transport
B. immune transport
C. inner cell transport
D. passive transport | D |
Question: What energy, produced by vibrations, cannot travel through empty space?
Options:
A. plasma
B. heat
C. sound
D. light | C |
Question: According to rutherford, where is the vast majority of the mass of an atom located?
Options:
A. the electrons
B. the nucleus
C. the cytoplasm
D. the shell | B |
Question: What is the term for organisms that make their own food?
Options:
A. plastids
B. autotrophs
C. omnivores
D. monocots | B |
Question: What happens to neutral matter when electrons are transferred between objects?
Options:
A. it becomes charged
B. it dissolves itself
C. it stays neutral
D. osmosis | A |
Question: Seawalls and breakwaters are built parallel to what?
Options:
A. the deep
B. center-point
C. shore
D. ocean base | C |
Question: What is the term for the loss of one or more electrons by an atom?
Options:
A. oxidation
B. half-life
C. decomposition
D. evaporation | A |
Question: What are the lipids containing phosphorus?
Options:
A. hemoglobin
B. phospholipids
C. alkaloids
D. eukaryotes | B |
Question: Ethers readily dissolve what type of molecules?
Options:
A. polar
B. non-polar
C. lipids
D. proteins | B |
Question: What are bones made up of?
Options:
A. platelets
B. tissues
C. molecules
D. muscles | B |
Question: When it is winter in the northern hemisphere the southern hemisphere experiences which season?
Options:
A. summer
B. autumn
C. winter
D. spring | A |
Question: What happens when liquid water evaporates?
Options:
A. condensation
B. snow
C. seawater happens
D. humidity happens | D |
Question: What vision defect occurs because the eye is too long?
Options:
A. blindness
B. astigmatism
C. hyperopia
D. myopia | D |
Question: What happens when a neutral atom gains or loses electrons?
Options:
A. it gains protons
B. it loses protons
C. it becomes an ion
D. it loses neutrons | C |
Question: Why are goose feathers preferred for stuffing by manufacturers?
Options:
A. smoothness
B. softness
C. thickness
D. multi layers build up | B |
Question: What is the outermost part of the sun's atmosphere called?
Options:
A. ultraviolet
B. particles
C. corona
D. rays | C |
Question: What is the series of changes in the life of an organism?
Options:
A. evolution
B. insect metamorphosis
C. life cycle
D. circle of life | C |
Question: The outer planets are made of hydrogen and helium, so they are termed what?
Options:
A. helium giants
B. light giants
C. gas giants
D. hydrogen giants | C |
Question: When a liquid is heated, molecules with enough kinetic energy escape the liquid and become what?
Options:
A. invisible
B. atoms
C. solid
D. vapor | D |
Question: What property of an object is obtained by multiplying its mass and its velocity?
Options:
A. movement
B. fluid
C. component
D. momentum | D |
Question: Solutions that are prepared in which a solute concentration exceeds its solubility are called what?
Options:
A. mineralized
B. supersaturated
C. solidified
D. instantiated | B |
Question: The word fungus comes from the latin word for what?
Options:
A. mushroom
B. spore
C. vegetable
D. mold | A |
Question: The part of a plant that is responsible for reproduction is the?
Options:
A. stem
B. root
C. flower
D. leaf | C |
Question: Isotopes have the same number of protons and electrons, but a different number of what?
Options:
A. neutrons
B. impurities
C. reactions
D. atoms | A |
Question: Shivering and adipose tissue called brown fat are used by mammals in particular to produce what?
Options:
A. heat
B. blood
C. nutrition
D. energy | A |
Question: Where are the somas of sensory neurons located in the spinal cord?
Options:
A. frontal root ganglia
B. penetration root ganglia
C. frontal head ganglia
D. dorsal root ganglia | D |
Question: The thick tunica media allows muscular arteries to play a leading role in what?
Options:
A. vasoconstriction
B. vasodilation
C. accumulation
D. inhibition | A |
Question: Why do crystals have relatively sharp and well-defined melting points?
Options:
A. uniform intermolecular forces
B. angular intermolecular forces
C. variable intermolecular forces
D. particular intermolecular forces | A |
Question: In which area does conduction mainly happen?
Options:
A. higher atmosphere
B. lower atmosphere
C. mesosphere
D. thermosphere | B |
Question: What is secreted by the cells surrounding spermatogonia to help sperm production?
Options:
A. dihydrotestosterone
B. follicle stimulating hormone
C. estrogen
D. testosterone | D |
Question: Chemical reactions either require or release what?
Options:
A. electricity
B. energy
C. enzymes
D. light | B |
Question: Energy that is released when a chemical reaction takes place is known as what?
Options:
A. chemical energy
B. thermal energy
C. liquid energy
D. consequence energy | A |
Question: What is the largest object in the solar system?
Options:
A. the sun
B. jupiter
C. the orbit
D. the earth | A |
Question: In ovoviviparous fish like shark, what develops inside the mother’s body but without nourishment from the mother?
Options:
A. eggs
B. molecules
C. spores
D. genes | A |
Question: What is the term for a technique used to separate out homogeneous mixtures in which one or more solids are dissolved in a liquid?
Options:
A. transpiration
B. distillation
C. absorption
D. evaporation | D |
Question: How do basal mammals like monotreme reproduce?
Options:
A. cloning
B. budding
C. by laying eggs
D. live birth | C |
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