question stringlengths 68 502 | answer stringclasses 4
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Question: Deficiency of what is symptomized by nausea, fatigue and dizziness, and can be triggered by excessive sweating?
Options:
A. impurities
B. salts
C. electrolytes
D. calories | C |
Question: Most thoracic vertebrae have two facets that articulate with the head of what structure?
Options:
A. heart
B. calf
C. rib
D. pelvic | C |
Question: Thrombocytes are more commonly known by what name?
Options:
A. chromosomes
B. platelets
C. molecules
D. droplets | B |
Question: What is the term for the remains or traces of living organisms?
Options:
A. fossils
B. ethings
C. deposits
D. remains | A |
Question: What type of disease is caused by pathogens?
Options:
A. infectious diseases
B. autoimmune diseases
C. nervous diseases
D. viral diseases | A |
Question: Worms grow to adult size without going through what stage?
Options:
A. egg
B. growth
C. larval
D. development | C |
Question: What serves as a first responder to pathogenic threats that bypass natural physical and chemical barriers of the body?
Options:
A. cells immune system
B. super immune system
C. innate immune system
D. immense immune system | C |
Question: Of the three basic types of emissions, which has the highest penetrating power?
Options:
A. fluid radiation
B. ultraviolet radiation
C. chemical radiation
D. gamma radiation | D |
Question: True animals are divided into those with radial versus bilateral styles of what?
Options:
A. molecular
B. symmetry
C. magnetic
D. attracted | B |
Question: While still an early fetus, what is the skeleton made of?
Options:
A. membrane
B. gel
C. cartilage
D. ligament | C |
Question: What forms the pathway of water and nutrients from roots to leaves and flower?
Options:
A. the stem
B. the stamen
C. the stigma
D. the pistil | A |
Question: What proteins span the entire plasma membrane?
Options:
A. amino acids
B. cytoplasm
C. transmembrane
D. sequence | C |
Question: Why is blue cheese blue?
Options:
A. bacteria
B. fungus
C. fermentation
D. artificial dye | B |
Question: What type of joint are ball-and-socket, hinge, and pivot examples of?
Options:
A. fixed
B. movable
C. retractable
D. artificial | B |
Question: Are valence electrons attracted more or less strongly when they are farther from the nucleus?
Options:
A. equally
B. differently
C. more strongly
D. less strongly | D |
Question: What do we call the predictable distribution of molecular speeds found in gas of many molecules?
Options:
A. kemp - boltzmann distribution
B. maxwell-boltzmann distribution
C. mitchell - boltzmann distribution
D. burns - boltzmann distribution | B |
Question: Name the simple sugar that is a component of starch.
Options:
A. Fructose
B. insulin
C. Splenda
D. glucose | D |
Question: What do vertebrates have which invertebrates do not?
Options:
A. backbones
B. appendages
C. fangs
D. tails | A |
Question: Occuring throughout the lifespan of the organism, what stages proceed in a certain order?
Options:
A. genetic stages
B. yearly stages
C. life cycle stages
D. life effectiveness stages | C |
Question: The fetus is connected to what by a tube called the umbilical cord?
Options:
A. Intestines
B. Fallopian tube
C. placenta
D. Stomach | C |
Question: What are most fresh fruits, vegetables, whole grains rich in?
Options:
A. cholesterol
B. magnesium
C. calcium
D. cellulose | D |
Question: What term tells you how quickly the angle changes and can occur in either clockwise or counterclockwise directions?
Options:
A. emit velocity
B. turning velocity
C. shift velocity
D. angular velocity | D |
Question: What term is used to describe how fast a chemical reaction occurs?
Options:
A. response time
B. velocity
C. catalysis
D. reaction rate | D |
Question: What is the term for protists that produce spores, such as the toxoplasm?
Options:
A. protozoans
B. spermatozoa
C. newborns
D. sporozoans | D |
Question: Why does neptune's appearance change?
Options:
A. the speed of rotation
B. the seasons
C. the changing orbit
D. turbulent atmosphere | D |
Question: Changing levels of what substances partly explain emotional ups and downs in teens?
Options:
A. enzymes
B. acids
C. nutrients
D. hormones | D |
Question: What term refers to larger evolutionary changes that result in new species?
Options:
A. Microevolution
B. macroevolution
C. substantial evolution
D. Potential evolution | B |
Question: What do you call a lens that causes the light rays to bend away from its axis?
Options:
A. diverging lens
B. optical lens
C. axilens
D. converging lens | A |
Question: Diffusion can occur across a semipermeable membrane, such as the cell membrane, as long as a what exists?
Options:
A. parity
B. concentration gradient
C. differential
D. polarity | B |
Question: Scientists use what scale to illustrate the order in which events on earth have happened?
Options:
A. ecological succession
B. cataclysmic time scale
C. geologic time scale
D. fossil record | C |
Question: What will happen if the gas particles inside an inflated balloon suddenly stop moving?
Options:
A. balloon falls
B. balloon deflates
C. balloon inflates
D. balloon bursts | B |
Question: What are the major sites of gibberellin production?
Options:
A. stem and roots
B. flower and fruit
C. soil and leaves
D. young roots and leaves | D |
Question: What is required for interconversion between the two forms of an isomeric pair?
Options:
A. fixing and reforming
B. turn and reforming
C. couple and reforming
D. breaking and reforming | D |
Question: Bacteria reproduce through what process, where the chromosome copies itself, forming two genetically identical copies?
Options:
A. multiple fission
B. nuclear fission
C. residual fission
D. binary fission | D |
Question: Water molecules are polar, so they form what type of bonds?
Options:
A. oxygen
B. hydrogen
C. helium
D. carbon | B |
Question: The cecum is the first part of what structure, where wastes in a liquid state enter from the small intestine?
Options:
A. large intestine
B. appendix
C. esophagus
D. duodenum | A |
Question: What are the "levels" in a food chain or web called?
Options:
A. parts
B. gauges
C. root
D. trophic | D |
Question: Are bones considered living or dead tissues?
Options:
A. dead
B. decaying
C. decomposing
D. living | D |
Question: What forms when water in the atmosphere condenses on dust particles suspended in the air?
Options:
A. hail
B. snow
C. clouds
D. wind | C |
Question: What are the two types of fermentation?
Options:
A. alcoholic and alchemical
B. lactic acid and fermaldehyde
C. acetic and anhydrous
D. lactic acid and alcoholic | D |
Question: Aging occurs as cells lose their ability to do what?
Options:
A. divide
B. build
C. join
D. grow | A |
Question: What is it called when liquid water falls from the sky?
Options:
A. sedimentation
B. erosion
C. water cycling
D. precipitation | D |
Question: Applying a pressure greater than the osmotic pressure of a solution will do what?
Options:
A. ultrafiltration
B. reverse osmosis
C. normal osmosis
D. osmosis | B |
Question: The molecule pictured above is thyroxine, a compound produced by which gland?
Options:
A. stomach
B. kidney
C. gallbladder
D. thyroid | D |
Question: Birds generally practice what kind of relationship, with both parents helping to care for the young?
Options:
A. carnivorous
B. homologous
C. monogamous
D. synonomous | C |
Question: Gravitropism ensures that roots grow into the soil and that shoots grow toward what?
Options:
A. sunlight
B. the north pole
C. trees
D. the south pole | A |
Question: What is the mass of one mole of any given substance?
Options:
A. atomic mass
B. molar mass
C. solute mass
D. protons mass | B |
Question: The corona surrounds which major object in our solar system?
Options:
A. Earth's moon
B. Jupiter
C. the sun
D. Neptune | C |
Question: Respiration that occurs in the cells is called?
Options:
A. cellular respiration
B. plasma respiration
C. biological respiration
D. electromagnetic respiration | A |
Question: Metabolism is an emergent property of life that arises from orderly interactions between what?
Options:
A. nutrients
B. molecules
C. tissues
D. body systems | B |
Question: During cellular respiration, carbons from the glucose molecule are changed back into what gas?
Options:
A. carbon dioxide
B. carbon monoxide
C. deformation dioxide
D. liquid dioxide | A |
Question: How does the distance between galaxies change as the universe expands?
Options:
A. it increases
B. it is unchanged
C. it becomes irrelevant
D. it decreases | A |
Question: Rainwater absorbs carbon dioxide (co 2 ) as it falls. the co 2 combines with water to form what?
Options:
A. nitrate acid
B. carbonic acid
C. carbon monoxide
D. methane gas | B |
Question: Most molecular compounds that have a mass similar to water are in what state of matter at room temperature?
Options:
A. gas
B. vapor
C. solid
D. liquid | A |
Question: What do you call the movement of molecules across a membrane without the input of energy?
Options:
A. passive transport
B. active transport
C. obvious transport
D. reactive transport | A |
Question: Opposite charges attract and like charges do what?
Options:
A. nothing
B. impede
C. rebound
D. repulse | D |
Question: What molecules are usually insoluble in water?
Options:
A. non-polar
B. acids
C. ions
D. polar | A |
Question: What occurs when there is a sudden discharge of static electricity between a cloud and the ground?
Options:
A. lightning
B. wind
C. updraft
D. rain | A |
Question: If citrate accumulates in mitochondria, some of it passes into where and inhibits phosphofructokinase?
Options:
A. pores
B. Golgi apparatus
C. cytosol
D. epidermis | C |
Question: For most of a star’s life, hydrogen atoms fuse to form what?
Options:
A. helium atoms
B. neon atoms
C. gas atoms
D. ionic atoms | A |
Question: What two ways do channels respond during membrane depolarization?
Options:
A. independently and typically
B. typically and sequentially
C. sequentially and identically
D. independently and sequentially | D |
Question: What kind of compound, contained in coffee and alcohol, increases urine volume?
Options:
A. anabolic
B. diuretic
C. acid
D. additive | B |
Question: In mammals what does the zona pellucida protect?
Options:
A. fetus
B. testes
C. egg
D. sperm | C |
Question: What type of vertebrates control body temperature to just a limited extent from the outside by changing behavior?
Options:
A. ectothermic
B. endothermic
C. mimetic
D. etheric | A |
Question: Worldwide, viruses seem to play a role in what percentage of the cases of human cancer?
Options:
A. 5%
B. 15%
C. 20 %
D. +.15 % | B |
Question: Elements are pure substances that make up what?
Options:
A. Solids
B. all matter
C. some matter
D. Objects | B |
Question: What reproductive part is stored in a plant's pollen?
Options:
A. the gamete
B. the sperm
C. the mimic
D. the egg | B |
Question: Atoms of what element ultimately form in a red supergiant?
Options:
A. gold
B. coal
C. steel
D. iron | D |
Question: What are the two types of fats?
Options:
A. saturated and unsaturated
B. thick and thin
C. liquid and solid
D. full and empty | A |
Question: What structure consists of an outer layer of cells called the trophoblast and an inner cell mass called the embryoblast?
Options:
A. cytoplasm
B. cell wall
C. nucleus
D. blastocyst | D |
Question: Metabolic pathways are a series of reactions catalyzed by multiple what?
Options:
A. particles
B. vitamins
C. hormones
D. enzymes | D |
Question: What causes eutrophication to occur?
Options:
A. excess of decreased and other nutrients
B. excess of carbonate and other nutrients
C. excess of fertilizers and other nutrients
D. excess of increased and other nutrients | C |
Question: What do you call the separation of ions that occurs when a solid ionic compound dissolves?
Options:
A. dissolution
B. decomposition
C. deformation
D. dissociation | D |
Question: What is light with wavelengths shorter than visible light called?
Options:
A. weathering light
B. ultraviolet light
C. infrared light
D. radio waves | B |
Question: How much distance can beta particles travel through air?
Options:
A. centimeters
B. inches
C. density
D. meter | D |
Question: What is created when the warm air at the cold front rises and creates a low pressure cell, causing winds to rush into the low pressure?
Options:
A. Tornado
B. Wind pressure
C. rising air column
D. Hurricane | C |
Question: People with osteoporosis have an increase risk of what?
Options:
A. weight loss
B. muscle loss
C. bone fractures
D. cancer | C |
Question: What is the main artery of the systematic circulation called?
Options:
A. femoral
B. carotid
C. aorta
D. subclavian | C |
Question: The length that an object has travelled in one or multiple directions can also be called what?
Options:
A. axis
B. range
C. velocity
D. distance | D |
Question: In animals, what process occurs only in germ cells, which are in the ovaries or testes?
Options:
A. mitosis
B. meiosis
C. reproduction
D. electrolysis | B |
Question: Which theory describes the benzene molecule and other planar aromatic hydrocarbon molecules as hexagonal rings of sp2-hybridized carbon atoms with the unhybridized p orbital of each carbon atom perpendicular to the plane of the ring?
Options:
A. molecular orbital theory
B. valence bond theory
C. hybrid orbita... | B |
Question: What type of carbon dioxide levels have been rising for the past several decades?
Options:
A. subatomic
B. aqueous
C. atmospheric
D. magnetic | C |
Question: Freezing rain that falls from the sky is also called?
Options:
A. hail
B. sleet
C. fog
D. snowfall | B |
Question: Do waves move faster when particles are close to each other or far away?
Options:
A. unaffected
B. close
C. open
D. far away | B |
Question: Adult bees include workers, a queen and what other type?
Options:
A. laborers
B. builders
C. drones
D. soldiers | C |
Question: Name the law that determines as to which rock layers are younger or older than others.
Options:
A. law of gravity
B. geologic theory
C. law of superposition
D. law of apposition | C |
Question: Since the electric field lines point radially away from the charge, they are perpendicular to what?
Options:
A. singularity lines
B. magnetic field lines
C. archetypical lines
D. equipotential lines | D |
Question: What are in leaves that function as solar collectors and food factories?
Options:
A. chloroplasts
B. vacuoles
C. cellulose
D. fibroblasts | A |
Question: What is the process of producing eggs in the ovary is called?
Options:
A. gametogenesis
B. meiosis
C. morphogenesis
D. oogenesis | D |
Question: What term refers to the deliberate prevention of pregnancy?
Options:
A. cessation
B. contraception
C. reproduction
D. abortion | B |
Question: Homologous chromosomes move toward what poles?
Options:
A. interior
B. parallel
C. opposite
D. octogonal | C |
Question: Why are the stems of many xerophytes fleshy?
Options:
A. stores water
B. drains water
C. collects water
D. pressures water | A |
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. lysozymes
B. enzymes
C. sporozoans
D. lipids | A |
Question: What is at the top of the mesosphere?
Options:
A. Troposphere
B. Stratosphere
C. Mesosphere
D. mesopause | D |
Question: Yogurt is made from milk fermented with what type of organism?
Options:
A. viruses
B. bacteria
C. algae
D. yeast | B |
Question: What happens to an animal's telomeres as it ages?
Options:
A. divide
B. multiply
C. lengthen
D. shorten | D |
Question: Characterized by uncontrolled growth, cancerous cells are also called what?
Options:
A. malignant
B. benign
C. abnormal
D. toxic | A |
Question: Historically, malaria has rivaled what as the leading cause of human death by infectious disease?
Options:
A. cancer
B. tuberculosis
C. heart attack
D. hepatitis | B |
Question: When the number of electrons and the number of protons are equal, the object is what?
Options:
A. Positive
B. Negative
C. neutral
D. static | C |
Question: The angle of refraction depends on the index of what?
Options:
A. vibration
B. refraction
C. frequency
D. reflection | B |
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