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null | Question: What system disorders include kidney stones, kidney failure, and urinary tract infections?
Options:
A. digestive system
B. nervous system
C. renal system
D. urinary system
Answer: | D |
null | Question: What can radioactive strontium replace in the human body making it dangerous?
Options:
A. oxygen
B. potassium
C. magnesium
D. calcium
Answer: | D |
null | Question: The ocean is the largest marine biome. it is a continuous body of salt water that is relatively uniform in chemical composition; it is a weak solution of mineral salts and decayed what?
Options:
A. metal ores
B. uranium atoms
C. rock shards
D. biological matter
Answer: | D |
null | Question: The orbicularis oris is a circular muscle that moves the lips, and the orbicularis oculi is a circular muscle that does what?
Options:
A. pressure the eye
B. closes the eye
C. moisturizes the eye
D. opens the eye
Answer: | B |
null | Question: Why is it easier to move boxes on a wheeled dolly than by sliding them?
Options:
A. increase surface tension
B. rolling friction
C. more total work
D. starting friction
Answer: | B |
null | Question: Two events are defined to be simultaneous if an observer measures them as occurring at what?
Options:
A. same time
B. opposite times
C. midnight
D. different times
Answer: | A |
null | Question: Science is the process of knowing about the natural universe through observation and this?
Options:
A. experiment
B. variation
C. Test
D. experimental
Answer: | A |
null | Question: Why are seeds of a pine cone easily carried by the wind and dispersed?
Options:
A. seeds are dense
B. seeds are sticky
C. seeds are small
D. seeds have wings
Answer: | D |
null | Question: What has hot days and cool nights, and are typically covered with sand dunes or sparse but hardy plants?
Options:
A. deserts
B. tundra
C. arctic
D. rain forest
Answer: | A |
null | Question: What can increase the occurance of earthquakes?
Options:
A. plates rupturing
B. three plates sliding
C. two plates sliding
D. plates breaking
Answer: | C |
null | Question: What do ions of the same charge do?
Options:
A. repel each other
B. discard each other
C. merge
D. attract each other
Answer: | A |
null | Question: What is the largest class of elements?
Options:
A. metals
B. oils
C. acids
D. organics
Answer: | A |
null | Question: What has two chains of nucleotides, one more than rna?
Options:
A. mna
B. fna
C. dna
D. gna
Answer: | C |
null | Question: What type of rocks are laid down horizontally with the oldest at the bottom?
Options:
A. crystalline
B. metamorphic
C. sedimentary
D. igneous
Answer: | C |
null | Question: Which two planetary bodies have humans walked on?
Options:
A. Mars and Jupiter
B. Earth and Saturn
C. The Sun and Mars
D. earth and the moon
Answer: | D |
null | Question: Protozoa that cause malaria are spread by a vector, entering the blood through the bite of what insect?
Options:
A. fire ant
B. wasp
C. housefly
D. mosquito
Answer: | D |
null | Question: What do ranchers fear will happen if wolves return?
Options:
A. vegetation predation
B. human predation
C. loss of environment
D. livestock predation
Answer: | D |
null | Question: What is the shape of the orbits that planets make around the sun?
Options:
A. elongated
B. variable
C. conical
D. elliptical
Answer: | D |
null | Question: What type of energy is required in all chemical reactions?
Options:
A. function
B. conduction
C. activation
D. solar
Answer: | C |
null | Question: In genetic drift, chance fluctuations in allele frequencies over generations tend to reduce what?
Options:
A. genetic variation
B. genetic entanglement
C. biochemical variation
D. responsible variation
Answer: | A |
null | Question: How many lobes is each hemisphere of the cerebrum divided into?
Options:
A. 2
B. 4
C. 9
D. 5
Answer: | B |
null | Question: What is the tiny male gametophyte enclosed in a tough capsule?
Options:
A. pollen
B. nitrogen
C. calcium
D. Cell Capsule
Answer: | A |
null | Question: Glycerol is a triol, an alcohol which contains three what?
Options:
A. hydroxl functional groups
B. cytoplasm functional groups
C. hydroxl acidic groups
D. stark functional groups
Answer: | A |
null | Question: The greenhouse effect is associated with what negative phenomenon, blamed mainly on human activity?
Options:
A. cool warming
B. advanced warming
C. global warming
D. resulting warming
Answer: | C |
null | Question: What are formed when crystals precipitate out from a liquid?
Options:
A. diamonds
B. chemical sedimentary rocks
C. gaseous sedimentary rocks
D. additive sedimentary rocks
Answer: | B |
null | Question: Superconductors are materials with a resistivity of?
Options:
A. above zero
B. greater density
C. high magnitude
D. zero
Answer: | D |
null | Question: All eukaryotic cells have mitochondria, but not all eukaryotic cells have what?
Options:
A. ribosomes
B. cytoplasm
C. golgi bodies
D. chloroplasts
Answer: | D |
null | Question: When two skateboarders push against each other what happens?
Options:
A. they stick together
B. they magnetize
C. they move apart
D. they rise
Answer: | C |
null | Question: The three parts of the human small intestine is the duodenum, jejunum, and what?
Options:
A. colon
B. cecum
C. ileum
D. appendix
Answer: | C |
null | Question: What lengths are positive for converging lens and negative for diverging lens?
Options:
A. wavelengths
B. focal lengths
C. differential lengths
D. light lengths
Answer: | B |
null | Question: Which is the process through which leaves collect sunlight and make food?
Options:
A. richness
B. photosynthesis
C. Greenhouse
D. compress
Answer: | B |
null | Question: Clearing land for agriculture and development is a major cause of what negative result?
Options:
A. human destruction
B. habitat destruction
C. water destruction
D. mineral destruction
Answer: | B |
null | Question: What theory states that both energy and matter have characteristics of waves under some conditions and characteristics of particles under other conditions?
Options:
A. quantum theory
B. atomic theory
C. static theory
D. big bang theory
Answer: | A |
null | Question: What term is used to describe the energy of matter in motion?
Options:
A. frictional energy
B. gravitational energy
C. emotional energy
D. kinetic energy
Answer: | D |
null | Question: What are the outer-shell electrons of an atom called?
Options:
A. organism electrons
B. helium electrons
C. valence electrons
D. outer electrons
Answer: | C |
null | Question: What causes blood vessels to grow toward the tumour in cancer cells?
Options:
A. communicating molecules
B. harnessing molecules
C. signaling molecules
D. addressing molecules
Answer: | C |
null | Question: What kind of hormones are secreted by organs classified as gonads?
Options:
A. sex hormones
B. cortisol hormones
C. anterior hormones
D. growth hormones
Answer: | A |
null | Question: What do you call the energy that must be overcome in order for a chemical reaction to occur, or the minimum energy required to start a chemical reaction?
Options:
A. phase energy
B. kinetic energy
C. expression energy
D. activation energy
Answer: | D |
null | Question: In amphibians, reptiles, birds, and mammals, blood flow is directed in two circuits: one through the lungs and back to the heart, which is called what?
Options:
A. systemic circulation
B. metabolic circulation
C. pulmonary circulation
D. sensory circulation
Answer: | C |
null | Question: Amino acids are joined together to form a chain at what molecular structure?
Options:
A. chromosomes
B. ribosomes
C. DNA
D. chloroplasts
Answer: | B |
null | Question: What are the biggest groups of stars called?
Options:
A. novas
B. cells
C. galaxies
D. orbits
Answer: | C |
null | Question: What determines the ability of soil particles to bind many nutrients?
Options:
A. layer charges
B. currents charges
C. surface pulses
D. surface charges
Answer: | D |
null | Question: Because they can cause diseases in plants, some parasitic fungi are considered what?
Options:
A. viral
B. bacterial
C. toxic
D. pathogenic
Answer: | D |
null | Question: Cells in blood include red blood cells, white blood cells, and what?
Options:
A. plasmids
B. droplets
C. platelets
D. protons
Answer: | C |
null | Question: What is the term for learning from past experiences and reasoning?
Options:
A. logical learning
B. consequence learning
C. experimental learning
D. insight learning
Answer: | D |
null | Question: What arises due to crossing over, independent assortment, and the random union of gametes?
Options:
A. recessive variation
B. susceptible variation
C. alternative variation
D. genetic variation
Answer: | D |
null | Question: What mineral is used to produce glass?
Options:
A. pyrite
B. quartz
C. lead
D. feldspar
Answer: | B |
null | Question: In adaptive radiation, what is the name of the initial species that then subsequently becomes multiple other ones?
Options:
A. pioneer
B. Mother
C. father
D. founder
Answer: | D |
null | Question: What is the process of moving air into and out of the lungs called?
Options:
A. ventilation
B. insulation
C. hydration
D. naturalization
Answer: | A |
null | Question: Animal cells grow mainly by synthesizing protein-rich cytoplasm, a process that is described as expensive in what way?
Options:
A. time spent
B. calorically
C. synthetically
D. metabolically
Answer: | D |
null | Question: A type of what organism causes ergot, a disease that impacts crops directly and has more devastating effects on animals?
Options:
A. bacteria
B. virus
C. fungus
D. insects
Answer: | C |
null | Question: What may the jointed appendages of arthropods be used for?
Options:
A. jumping
B. walking
C. crawling
D. digging
Answer: | B |
null | Question: What type of mechanical weathering occurs when one rock bumps against another rock?
Options:
A. abrasion
B. disintegration
C. refraction
D. absorption
Answer: | A |
null | Question: About a third of all bacteria in the gut are members of what species?
Options:
A. actinomyces
B. trematodes
C. spirochetes
D. bacteroides
Answer: | D |
null | Question: Solution nodes and antinodes are both areas of wave interference, but they differ in the presence of what condition?
Options:
A. motion
B. gravity
C. speed
D. radiation
Answer: | A |
null | Question: Plants not only contribute food but what else for organisms?
Options:
A. hydrogen
B. oxygen
C. carbon
D. dioxide
Answer: | B |
null | Question: One type of tissue, called brown fat, is made up of cells packed full of what?
Options:
A. Atoms
B. chromosomes
C. proteins
D. mitochondria
Answer: | D |
null | Question: What control reproductive cycles, which are in turn regulated by environmental cues?
Options:
A. nerve impulses
B. enzymes
C. hormones
D. brain waves
Answer: | C |
null | Question: What weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses?
Options:
A. Horizontal Front
B. stationary front
C. susceptible front
D. cool front
Answer: | B |
null | Question: What does lattice energy of an ionic solid measure the strength of?
Options:
A. electrons
B. atoms
C. bonds
D. metals
Answer: | C |
null | Question: What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause?
Options:
A. extinction effect
B. bottleneck effect
C. limitation effect
D. convergence effect
Answer: | B |
null | Question: All chemical changes involve a transfer of what?
Options:
A. pressure
B. hydrogen
C. energy
D. nitrogen
Answer: | C |
null | Question: Glands release what substance into the blood?
Options:
A. hormones
B. enzymes
C. toxins
D. acids
Answer: | A |
null | Question: Cellular respiration that proceeds in the presence of oxygen is known as what?
Options:
A. anaerobic respiration
B. digestive respiration
C. kinetic respiration
D. aerobic respiration
Answer: | D |
null | Question: What is the name of film that polyester fibers form?
Options:
A. Softness
B. fabric
C. mylar
D. layers
Answer: | C |
null | Question: What provides an early, rapid, and nonspecific defense against invading pathogens?
Options:
A. toxins
B. bacteria
C. microorganisms
D. neutrophils
Answer: | D |
null | Question: What is the process called where nitrogen is repeatedly recycled through the biosphere?
Options:
A. nitrogen cycle
B. water cycle
C. ammonia cycle
D. nitrogen path
Answer: | A |
null | Question: What can accept a wide range of carbohydrates for catabolism?
Options:
A. enzymes
B. cellular respiration
C. glycolysis
D. photosynthesis
Answer: | C |
null | Question: All lipids have two distinct domains, a hydrophobic and a what?
Options:
A. hydrophilic
B. hydroceptive
C. covalent
D. hydroaversive
Answer: | A |
null | Question: What is defined as an antigen that causes an allergy?
Options:
A. an allergen
B. a pollutant
C. a disinfectant
D. an expectorant
Answer: | A |
null | Question: In humans, how many chromosomes does each somatic cell have?
Options:
A. 51
B. 48
C. 46
D. 36
Answer: | C |
null | Question: Why do hummingbirds have long narrow bills?
Options:
A. for protection against predators
B. to store food
C. to feed their offspring
D. to reach the nectar at the bottom of flowers
Answer: | D |
null | Question: What are compounds with the same molecular formula but different structures and properties called?
Options:
A. isomers
B. polymers
C. monomers
D. substrates
Answer: | A |
null | Question: What term means the percentage by mass of each element in a compound?
Options:
A. percent composition
B. biomass
C. elemental percent
D. mass effect
Answer: | A |
null | Question: What is the most effective color in interrupting the nighttime portion of the photoperiod?
Options:
A. blue light
B. red light
C. white light
D. yellow
Answer: | B |
null | Question: The posterior pituitary is an extension of what anatomical structure?
Options:
A. hypothalamus
B. frontal lobe
C. hippocampus
D. brain stem
Answer: | A |
null | Question: Most body fluids that you release from your body contain chemicals that kill pathogens. for example, mucus, sweat, tears, and saliva contain enzymes called?
Options:
A. enzymes
B. lysozymes
C. sporozoans
D. lipids
Answer: | B |
null | Question: The kidneys work with the urinary system to remove what?
Options:
A. water
B. ions
C. nutrients
D. wastes
Answer: | D |
null | Question: The voltage of a voltaic cell can be determined by the reduction potentials of what?
Options:
A. full reactions
B. old reactions
C. half reactions
D. thermal reactions
Answer: | C |
null | Question: Inside female cones, female spores develop into female what?
Options:
A. tubules
B. gametophytes
C. gymnosperms
D. filaments
Answer: | B |
null | Question: When gametes unite during fertilization, the resulting zygote inherits two of what for each gene, one from each parent?
Options:
A. chromosomes
B. alleles
C. genomes
D. molecules
Answer: | B |
null | Question: Light-weight air-filled bones and a large four-chambered heart helps a bird do what?
Options:
A. fly
B. swim
C. digest
D. run
Answer: | A |
null | Question: When resources become limiting, populations follow a logistic growth curve in which the size will level off at a point called what?
Options:
A. full capacity
B. carrying capacity
C. believed capacity
D. containing capacity
Answer: | B |
null | Question: What are the cone-like structures that contain sporangia called?
Options:
A. gametes
B. strobili
C. medulla
D. contrail
Answer: | B |
null | Question: What is said about the speed of rotation in systems that create tornadoes?
Options:
A. it is slow
B. it is unchanged
C. it is fast
D. it is magnetic
Answer: | A |
null | Question: What type of plants grow on other plants?
Options:
A. parasites
B. epiphytes
C. bryophytes
D. legumes
Answer: | B |
null | Question: What is the name for a kind of animal that eats a mix of plant and animal foods.
Options:
A. an herbivore
B. an smorgasbord
C. a carnivore
D. an omnivore
Answer: | D |
null | Question: What does bile help to digest ?
Options:
A. protein
B. nuts
C. fat
D. food
Answer: | C |
null | Question: What is an example of a biochemical lipid that contributes to weight gain?
Options:
A. sugars
B. proteins
C. fats
D. acids
Answer: | C |
null | Question: What is the measure of water potential?
Options:
A. spores
B. megapascals
C. trials
D. fluctuations
Answer: | B |
null | Question: Adding carbon to iron makes what type of metal?
Options:
A. plastic
B. titanium
C. steel
D. ions
Answer: | C |
null | Question: Most of food's chemical energy ultimately comes from what source?
Options:
A. plants
B. air
C. sunlight
D. minerals
Answer: | C |
null | Question: What is sulfur trioxide dissolved in to form sulfuric acid?
Options:
A. water
B. mercury
C. silver
D. lead
Answer: | A |
null | Question: Where does a baby travel to after leaving the uterus?
Options:
A. birth canal
B. ear canal
C. nasal canal
D. tissue canal
Answer: | A |
null | Question: An electromagnetic wave begins with what movement by an electrically charged particle?
Options:
A. momentum
B. vibration
C. acceleration
D. diffusion
Answer: | B |
null | Question: Which condition is the only autosomal trisomy where an affected individual may survive to adulthood?
Options:
A. progeria
B. down syndrome
C. type 1 diabetes
D. dwarfism
Answer: | B |
null | Question: Though it can change states, and it often does, what cannot be created or destroyed?
Options:
A. water content
B. mass
C. volums
D. matter
Answer: | D |
null | Question: With what does cytokinins act in concert to stimulate cell division and influence the pathway of differentiation?
Options:
A. hormone
B. auxin
C. dna
D. ribosomes
Answer: | B |
null | Question: What is the final stage of aerobic respiration?
Options:
A. proton transport
B. electron transport
C. electron production
D. glucose transport
Answer: | B |
null | Question: Hot magma beneath the surface mixes with water and forms what?
Options:
A. gas
B. liquids
C. lava
D. hydrocarbons
Answer: | A |
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