question stringlengths 68 502 | answer stringclasses 4
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Question: Why is the drift velocity negligible?
Options:
A. shows free charges
B. many free charges
C. need free charges
D. less free charges | B |
Question: Instruments that measure the angle of the slope of a volcano are called what?
Options:
A. velocity meters
B. tilt meters
C. angle meters
D. aberration meters | B |
Question: What is the term for preserved remains or traces of organisms that lived in the past?
Options:
A. deposits
B. bones
C. fossils
D. remains | C |
Question: Birds flying thousands of miles south in the winter, then returning to their homes in spring, is a familiar example of what?
Options:
A. hibernation
B. emigration
C. evacuation
D. migration | D |
Question: The hydration of what is what makes many alcohols?
Options:
A. alkenes
B. lipids
C. enzymes
D. malts | A |
Question: What causes oxides to decompose?
Options:
A. heat
B. humidity
C. precipitation
D. acidity | A |
Question: With codominance, both alleles are expressed equally in what?
Options:
A. heterozygotes
B. homozygotes
C. gametes
D. prokaryotes | A |
Question: When hit from behind in a car crash, a passenger can suffer a neck injury called what?
Options:
A. necklash
B. inflammation
C. whiplash
D. twisted neck | C |
Question: When a species always migrates, what is this type of migration called?
Options:
A. mass migration
B. emigration
C. genus migration
D. obligate migration | D |
Question: How are valuable metabolites recovered?
Options:
A. metabolism
B. reabsorption
C. replication reaction
D. osmosis | B |
Question: Structures that have lost their use through evolution are called _______
Options:
A. residual structures
B. symbiotic structures
C. primordial structures
D. vestigial structures | D |
Question: What does continental crust grade into at continental margins?
Options:
A. storm crust
B. oceanic crust
C. remnants crust
D. ocean floor | B |
Question: What body system consists of organs that break down food, absorb nutrients, and eliminate waste?
Options:
A. hormonal system
B. skeletal system
C. lymphatic system
D. digestive system | D |
Question: Some samples of matter appear to have properties of solids, liquids, and/or gases at the same time. this can occur when the sample is composed of many what?
Options:
A. large pieces
B. small pieces
C. turn pieces
D. few pieces | B |
Question: Stimuli in the brain, stomach, and small intestine activate or inhibit production of what secretion?
Options:
A. sweat
B. gastric juice
C. digestive juice
D. metabolic juice | B |
Question: What is the term for a symbiotic relationship in which one species benefits while the other species is not affected?
Options:
A. parasitism
B. mutualism
C. pollenation
D. commensalism | D |
Question: What does the a1c test measure over the past two to three months?
Options:
A. cholesterol levels
B. blood-glucose levels
C. RBC levels
D. albumin levels | B |
Question: What is the term for liquid waste formed by kidneys?
Options:
A. feces
B. sperm
C. urine
D. blood | C |
Question: Why does metal conduct heat and electricity so well?
Options:
A. free flowing electrons
B. electromagnetism
C. insulation
D. free flowing photons | A |
Question: Liverworts are small plants that grow close to what?
Options:
A. beaches
B. houses
C. tree tops
D. ground | D |
Question: What do atoms make by rearranging their chemical bonds in a reactant?
Options:
A. solutions
B. minerals
C. products
D. compounds | C |
Question: Spindle fibers pull what apart in anaphase i?
Options:
A. known chromosomes
B. linked chromosomes
C. True Chromosomes
D. risk chromosomes | B |
Question: What type of mutations cannot be passed on to offspring?
Options:
A. symbiotic mutations
B. instructional mutations
C. somatic mutations
D. functional mutations | C |
Question: What is the process in which cells break down glucose, release the stored energy, and use it to make atp
Options:
A. electromagnetic respiration
B. photosynthesis
C. reproduction
D. cellular respiration | D |
Question: Dew point is the temperature at which what occurs?
Options:
A. precipitation
B. fermentation
C. combustion
D. condensation | D |
Question: In what type of diabetes can the pancreas still make insulin, but the cells of the body cannot use it efficiently?
Options:
A. type 1 diabetes
B. type 3 diabetes
C. type A diabetes
D. type 2 diabetes | D |
Question: What are the two classifications of factors in the environment that affect organisms?
Options:
A. rotational and abiotic
B. Antibiotick and abiotic
C. shear and abiotic
D. biotic and abiotic | D |
Question: What do increasing greenhouse gas concentrations in the air do to the earth's temperature?
Options:
A. raise it
B. stable it
C. Lower it
D. Pollute | A |
Question: What is the name of a microorganism that is considered important for living resources in all ecosystem?
Options:
A. protozoa
B. bacteria
C. archaea
D. pathogens | B |
Question: What bone cell is responsible for forming new bone and is found in the growing portions of bone, including the periosteum and endosteum?
Options:
A. fibroblasts
B. epithelial
C. osteoblast
D. congenial | C |
Question: Individuals with what condition experience depigmentation that results in lighter colored patches of skin?
Options:
A. vitiligo
B. psoriasis
C. eczema
D. dementia | A |
Question: What do decomposers release back to the environment after they break down the remains and other wastes?
Options:
A. carbon monoxide
B. simple inorganic molecules
C. unrefined waste
D. nematodes | B |
Question: What are the areas between cells that either allow or prevent the movement of materials called?
Options:
A. receptors
B. corners
C. junctions
D. sections | C |
Question: Arguably the most important ingredient in saliva for digestion is a type of what, which initiates the breakdown of carbohydrates?
Options:
A. fatty
B. genes
C. amino
D. enzyme | D |
Question: What element can form two different compounds with oxygen?
Options:
A. dioxide
B. H20
C. carbon
D. hydrogen | C |
Question: Each protein has its own unique sequence and shape held together by chemical interactions. if the protein is subject to changes in temperature, ph, or exposure to chemicals, the protein structure may change, losing its shape in what is known as this?
Options:
A. gastrulation
B. denaturation
C. fermentation
D.... | B |
Question: Because they can cause diseases in plants, some parasitic fungi are considered what?
Options:
A. viral
B. bacterial
C. pathogenic
D. toxic | C |
Question: What is another common term for single-unit smooth muscle?
Options:
A. energies muscle
B. abnormal muscle
C. visceral muscle
D. lateral muscle | C |
Question: What is the term for the horizontal displacement of a projectile from its starting point?
Options:
A. type
B. range
C. produce
D. Distance | B |
Question: What types of stimuli control endocrine activity?
Options:
A. light and pressure
B. temperature and light
C. chemical and neural
D. pressure and chemical | C |
Question: What events, resulting in death of over half of animal species, have occurred on earth at least five times in the past 540 million years?
Options:
A. spontaneous mutations
B. microevolutions
C. mass extinctions
D. mass migrations | C |
Question: What is most of the water used in agriculture used for?
Options:
A. sowing
B. construction
C. cleaning
D. irrigation | D |
Question: What is a collection of fibrin, platelets, and erythrocytes that has accumulated along the lining of a blood vessel called?
Options:
A. clots
B. atherosclerosis
C. thrombus
D. embolus | C |
Question: Acidity is measured on what kind of scale?
Options:
A. ph scale
B. electromagnetic scale
C. caloric scale
D. pneumatic scale | A |
Question: What is the enclosed, fluid-filled membrane that surrounds and protects the fetus and is attached to the placenta?
Options:
A. amniotic sac
B. umbilical sac
C. epithelial sac
D. womb | A |
Question: Alzheimer’s disease is a disease that occurs mainly in what population?
Options:
A. female adults
B. older adults
C. white adults
D. younger adults | B |
Question: What do sudoriferous glands secrete?
Options:
A. water
B. tissue
C. moving
D. sweat | D |
Question: Group 15 of the periodic table is also called which group?
Options:
A. oxygen
B. potassium
C. nitrogen
D. hydrogen | C |
Question: Humans need lipids for many vital functions such as storing energy and forming what?
Options:
A. ionic bonds
B. zygotes
C. cell membranes
D. enzymes | C |
Question: What bond is a force of attraction between ions and atoms?
Options:
A. radiation bond
B. chemical bond
C. carbon bond
D. Ionic bond | B |
Question: What type of cells are the smallest of all human cells?
Options:
A. dna
B. meristematic
C. sperm
D. egg | C |
Question: Vertebrates also require relatively large quantities of calcium and phosphorus for building and maintaining what?
Options:
A. brain cells
B. metabolism
C. bone
D. blood | C |
Question: What contains most of the structures found in skin?
Options:
A. basal layer
B. dermis
C. epidermis
D. subcutaneous layer | B |
Question: What is the study of matter and energy referred to as?
Options:
A. cosmology
B. biology
C. physical science
D. geology | C |
Question: What do you call the ability of a particular electrochemical cell to generate an electric current?
Options:
A. electrical potential
B. momentum
C. electromagnetism
D. kinetic energy | A |
Question: What is a controlled scientific study of specific variables called?
Options:
A. practicum
B. experiment
C. example
D. variation | B |
Question: What happened to earth's species during the permian period?
Options:
A. evolution
B. division
C. duplication
D. mass extinction | D |
Question: Which organ in the body controls the amount of water loss in urine in response to maintaining homeostasis?
Options:
A. liver
B. kidneys
C. spleen
D. lungs | B |
Question: What is corrosive mixture is formulated by the combination of water, air and sulfur?
Options:
A. sulfuric acid
B. hydrochloric acid
C. nitric acid
D. sulfuric water | A |
Question: What type of pollutants enter the air directly?
Options:
A. secondary
B. liquid
C. primary
D. carbon | C |
Question: What type of reaction is a process in which some substances, called reactants, change into different substances, called products?
Options:
A. toxic reaction
B. chemical reaction
C. physical reaction
D. reversible reaction | B |
Question: What is the number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction?
Options:
A. requirement
B. coefficient
C. note
D. frequency | B |
Question: Through what does urine enter the bladder?
Options:
A. the vas deferens
B. the enterocytes
C. the tubules
D. the ureters | D |
Question: The male and female reproductive system is regulated by follicle-stimulating hormone (fsh) and luteinizing hormone (lh) produced by what gland?
Options:
A. testes
B. pituitary
C. thyroid
D. adrenal | B |
Question: How do plants grow?
Options:
A. through pollination and cell division
B. through cell growth and cell division
C. through cell growth and sexual reproduction
D. through mitosis and cell division | B |
Question: What part of the brain is attached to the brain stem but considered a separate region of the adult brain?
Options:
A. cerebellum
B. frontal lobe
C. temporal lobe
D. parietal lobe | A |
Question: Plants are described by what term, meaning their cells have a nucleus and membrane-bound organelles?
Options:
A. eukaryotic
B. walled
C. prokaryotic
D. complex | A |
Question: What is a primary source of the hormone melatonin?
Options:
A. thyroid gland
B. pineal gland
C. pituitary gland
D. thymus | B |
Question: How many more times likely are men to suffer from iron overload?
Options:
A. ten times
B. eight times
C. two times
D. twenty times | A |
Question: Misfolding of polypeptides is a serious problem in what?
Options:
A. cells
B. lipids
C. blood
D. muscles | A |
Question: What does the inner membrane divide into two internal compartments?
Options:
A. chitin
B. mitochondrion
C. epidermis
D. golgi apparatus | B |
Question: Defined as total distance traveled divided by elapsed speed, average speed is a scalar quantity that does not include what?
Options:
A. pressure
B. direction
C. shift
D. size | B |
Question: Lymph capillaries collect fluid that leaks out of what?
Options:
A. bladder
B. blood capillaries
C. alveoli
D. lymph nodes | B |
Question: Action potentials occur whenever a depolarization increases the membrane voltage to a particular value called what?
Options:
A. threshold
B. fraction
C. velocity
D. ohms | A |
Question: Programmed cell death is also known as?
Options:
A. apoptosis
B. suicide
C. necrosis
D. sepsis | A |
Question: What happens to the mass number during a nuclear decay process by positron emission?
Options:
A. it decreases
B. remains unchanged
C. it increases
D. it rises | B |
Question: Embryos usually don't survive if they have extra or too few of these genetic units?
Options:
A. ribosomes
B. chromosomes
C. genes
D. phenotypes | B |
Question: Like the other outer planets, neptune has rings of ice and what?
Options:
A. gas
B. mercury
C. glass
D. dust | D |
Question: In an electromagnetic wave, what do the crests and troughs represent?
Options:
A. particles fields
B. oscillating fields
C. vibrating fields
D. ocean waves | B |
Question: What biome is located between the temperate and tropical biomes?
Options:
A. Tropical
B. mountainous
C. subtropical
D. Desert | C |
Question: Metabolism is the sum of all catabolic and which other reactions in the body?
Options:
A. anabolic
B. abolic
C. systic
D. inbolic | A |
Question: Diarrhea due to food poisoning is an example of a problem involving what organ system?
Options:
A. lung system
B. skeletal system
C. muscular system
D. digestive system | D |
Question: White light is a mixture of all wavelengths of what?
Options:
A. gamma radiation
B. visible light
C. infrared radiation
D. x-rays | B |
Question: What prevents solutes that have accumulated in the xylem from leaking back into the soil solution?
Options:
A. the exodermis
B. the exoskeleton
C. the altostratus
D. the endodermis | D |
Question: Hydrogen chloride contains one atom of hydrogen and one atom of what?
Options:
A. nitrogen
B. calcium
C. chlorine
D. magnesium | C |
Question: What property of toluene and xylene makes them important in the chemical industry?
Options:
A. solvent property
B. excess property
C. corrosive property
D. isolate property | A |
Question: The earliest cells were prokaryotes, surrounded by a cell membrane but lacking which key structure?
Options:
A. nucleus
B. mitochondria
C. lysosomes
D. ribosomes | A |
Question: When is the rate of the forward reaction equal to the rate of the reverse reaction?
Options:
A. after equilibrium
B. at conduction
C. at equilibrium
D. before equilibrium | C |
Question: In which process do signaling molecules from embryonic cells cause transcriptional changes in nearby target cells?
Options:
A. induction
B. replication
C. maturation
D. orientation | A |
Question: Every species has a characteristic number of what?
Options:
A. ribosomes
B. DNA
C. receptors
D. chromosomes | D |
Question: Ecologists already use the abilities of many prokaryotes to carry out bioremediation of soils and what else?
Options:
A. gas
B. air
C. water
D. plasma | C |
Question: How is most evidence gathered in science?
Options:
A. observation
B. lab experiments
C. field research
D. hypothesis | B |
Question: Phosphate groups are found within phospholipids and what else?
Options:
A. nucleotides
B. amino acids
C. hydrocarbon chains
D. carotenoids | A |
Question: Yogurt is made with milk fermented with what?
Options:
A. disease
B. viruses
C. pathogens
D. bacteria | D |
Question: What is energy from the sun called?
Options:
A. kinetic energy
B. thermodynamic energy
C. solar energy
D. potential energy | C |
Question: What is the term for when gravity pulls soil, mud, and rocks down cliffs and hillsides?
Options:
A. mass movement
B. avalanche
C. mass momentum
D. mass pressure | A |
Question: Metals are good conductors of what?
Options:
A. light
B. electricity
C. sound
D. metabolism | B |
Question: What plant hormone allows plants to curve in a specific direction?
Options:
A. auxin
B. apoptosis
C. peptides
D. pheremone | A |
Question: What is the most common type of organic compound?
Options:
A. vitamins
B. proteins
C. carbohydrates
D. fats | C |
Question: Dissolved oxygen in seawater is critical for sea creatures, but as the oceans warm, oxygen becomes less what?
Options:
A. saturated
B. soluble
C. abundant
D. insoluble | B |
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