subject
float64 | question
stringlengths 78
512
| answer
stringclasses 4
values |
---|---|---|
null | Question: What is the concept by which two species within the same area to coexist by adapting by developing different specializations?
Options:
A. character development
B. character displacement
C. feature displacement
D. character concept
Answer: | B |
null | Question: If a gyroscope is not spinning, it acquires angular momentum in the direction of what?
Options:
A. acceleration
B. torque
C. velocity
D. gravity
Answer: | B |
null | Question: Where is the guinea worm a serious problem?
Options:
A. florida
B. russia
C. africa
D. ukraine
Answer: | C |
null | Question: Internal and external forms of what life process occur as simple diffusion due to a partial pressure gradient?
Options:
A. reproduction
B. photosynthesis
C. metabolism
D. respiration
Answer: | D |
null | Question: A diagram that represents feeding relationships is also called what?
Options:
A. form chain
B. life chart
C. fuel chain
D. food chain
Answer: | D |
null | Question: What are boggy regions with thick layers of peat called?
Options:
A. tropics
B. peatlands
C. wetlands
D. meadows
Answer: | B |
null | Question: What process occurs around day 14 of a 28-day menstrual cycle, triggered by the lh surge?
Options:
A. ovulation
B. menstruation
C. fertilization
D. sedimentation
Answer: | A |
null | Question: What organs produce eggs?
Options:
A. ovaries
B. testes
C. glands
D. kidneys
Answer: | A |
null | Question: How many colors of light can the human eye detect?
Options:
A. infinite
B. nine
C. three
D. six
Answer: | C |
null | Question: What term always refers to acceleration in the direction opposite to the direction of the velocity and always reduces speed, unlike negative acceleration?
Options:
A. progression
B. deceleration
C. calibration
D. extraction
Answer: | B |
null | Question: A largemouth bass is an example of a cold-blooded animal that conforms to what aspect of the lake it inhabits?
Options:
A. temperature
B. precipitation
C. depth
D. oxygen
Answer: | A |
null | Question: A pigment within plant cells which absorbs light is called?
Options:
A. chlorophyll
B. xylem
C. green
D. carbonate
Answer: | A |
null | Question: Plants can lose their leaves, flower, or break dormancy in response to a change in what?
Options:
A. events
B. periods
C. averages
D. seasons
Answer: | D |
null | Question: Photosynthesis is initiated by what hitting plants?
Options:
A. air
B. dirt
C. moisture
D. sunlight
Answer: | D |
null | Question: What term is used to describe phages capable of using both modes of replicating within a bacterium?
Options:
A. moderate phages
B. temperate phages
C. bacteriophage
D. lambda phage
Answer: | B |
null | Question: At transform plate boundaries, two plates move in which directions?
Options:
A. opposite
B. north and south
C. parallel
D. same
Answer: | A |
null | Question: What is formed when each sodium atom donates its single valence electron to a chlorine atom?
Options:
A. sodium chloride
B. trioxide chloride
C. nitrogen chloride
D. carbon chloride
Answer: | A |
null | Question: What type of waves travel through the body of a planet?
Options:
A. body waves
B. vacuum waves
C. gas waves
D. energy waves
Answer: | A |
null | Question: When something is described as "hydrophilic", you can determine something about how it interacts with what?
Options:
A. hydrogen
B. iron
C. water
D. air
Answer: | C |
null | Question: Flowers, double fertilization, and fruits are unique features of what life cycle?
Options:
A. angiosperm
B. dinoflagellate
C. protozoa
D. early lifehood
Answer: | A |
null | Question: Crossing charges is one method for obtaining what?
Options:
A. superscripts
B. subscripts
C. notations
D. hybrids
Answer: | B |
null | Question: What are all of the living or once-living aspects of the environment called?
Options:
A. photic factors
B. abiotic factors
C. biotic factors
D. fossils
Answer: | C |
null | Question: Within the first 8 weeks of gestation, a developing embryo establishes the rudimentary structures of all of its organs and tissues from the ectoderm, mesoderm, and endoderm. this process is called what?
Options:
A. parthenogenesis
B. biosynthesis
C. organogenesis
D. abiogenesis
Answer: | C |
null | Question: What are thought to have evolved at least 200 million years ago from gymnosperms like gnetae?
Options:
A. yeasts
B. deciduous trees
C. cone-bearing plants
D. flowering plants
Answer: | D |
null | Question: In the cardiovascular system, net filtration pressure represents the interaction of osmotic pressures and what other pressures?
Options:
A. homeostatic
B. uptake
C. hydrophilic
D. hydrostatic
Answer: | D |
null | Question: Hormones cause cellular changes by binding to receptors on these?
Options:
A. able cells
B. reach cells
C. target cells
D. fighter cells
Answer: | C |
null | Question: What term refers to an animal that sleeps during the day and is active at night?
Options:
A. crepuscular
B. solitary
C. nocturnal
D. diurnal
Answer: | C |
null | Question: A hydraulic jack that makes it possible to lift a car easily is an example of what, meaning it produces mechanical advantages?
Options:
A. complex machines
B. quantum physics
C. simple weapon
D. simple machine
Answer: | D |
null | Question: Applying a pressure greater than the osmotic pressure of a solution will do what?
Options:
A. normal osmosis
B. reverse osmosis
C. ultrafiltration
D. osmosis
Answer: | B |
null | Question: What does the term decay in chemistry refer to with regards to atoms?
Options:
A. changes in nuclei
B. separation of nuclei
C. pressures in nuclei
D. destruction of nuclei
Answer: | A |
null | Question: What is a reptiles skin covered in to protect them from drying out?
Options:
A. bacteria
B. dye
C. oil
D. scales
Answer: | D |
null | Question: What basic structures of the nervous system innervate the muscles of the respiratory system and are responsible for controlling and regulating pulmonary ventilation?
Options:
A. ions
B. neurons
C. toxins
D. enzymes
Answer: | B |
null | Question: Type 1 diabetes and gigantism are examples of what type of disorder?
Options:
A. cardiac diseases
B. respiratory diseases
C. inborn errors of metabolism
D. endocrine diseases
Answer: | D |
null | Question: What is the large muscle that extends across the bottom of the chest below the lungs called?
Options:
A. abdomen
B. uterus
C. diaphragm
D. pectoral
Answer: | C |
null | Question: This series of life stages and events that a sexually reproducing organism goes through is called its what?
Options:
A. development cycle
B. maturation cycle
C. formative period
D. life cycle
Answer: | D |
null | Question: What still causes fatal lung disease in nonsmokers?
Options:
A. chewing tobacco
B. alcohol
C. tobacco smoke
D. nicotine
Answer: | C |
null | Question: Removal of dams on rivers is an example of what?
Options:
A. reproduction
B. renewal
C. evolution
D. restoration
Answer: | D |
null | Question: What kind of plants do not need adaptations for absorbing, transporting, and conserving water?
Options:
A. desert plants
B. normal plants
C. aquatic plants
D. terrestrial plants
Answer: | C |
null | Question: The right and left hip bones, with the addition of the sacrum and coccyx form what section of the skeleton?
Options:
A. uterus
B. necklash
C. pelvis
D. tail bone
Answer: | C |
null | Question: What must be regulated in order to maintain carbon dioxide levels and proper blood ph?
Options:
A. Heart rate
B. blood toxin levels
C. breathing rate
D. oxygen rate
Answer: | C |
null | Question: What is the diversity of living things called?
Options:
A. habitat
B. ecosystem
C. adaptation
D. biodiversity
Answer: | D |
null | Question: What is formed when nitrogen and sulfur oxides dissolve in rain?
Options:
A. hail
B. acid rain
C. toxic rain
D. ozone
Answer: | B |
null | Question: What type of science is the study of matter and energy and includes chemistry and physics?
Options:
A. physical science
B. biology
C. genetics
D. Earth science
Answer: | A |
null | Question: What is the volume of air inhaled and exhaled with each breath called?
Options:
A. lung volume
B. respiration volume
C. aspiration volume
D. tidal volume
Answer: | D |
null | Question: Metallic bonds allow metals to do what, in the manner of a willow tree?
Options:
A. grow
B. bend without breaking
C. break easily
D. stand tall
Answer: | B |
null | Question: Which common type of diabetes is also known as noninsulin-dependent or adult-onset diabetes?
Options:
A. gestational diabetes
B. type 1
C. juvenile diabetes
D. type 2
Answer: | D |
null | Question: Which type of eruptions created the entire ocean floor?
Options:
A. fault eruptions
B. formation eruptions
C. fissure eruptions
D. lava effusion
Answer: | C |
null | Question: What important and unusual physical property (for birds) do ostriches and penguins share?
Options:
A. bonelessness
B. flightlessness
C. webbed feet
D. waterproofness
Answer: | B |
null | Question: Mars appears red because of large amounts of which element in the soil?
Options:
A. iron
B. coal
C. carbon
D. mercury
Answer: | A |
null | Question: Hundreds of organelles called myofibrils, made up of two types of protein filaments, are contained in each fiber of what?
Options:
A. bone
B. hair
C. muscle
D. cartilage
Answer: | C |
null | Question: What kind of hormones serve many functions in addition to promoting gamete production?
Options:
A. Utility hormones
B. reflection hormones
C. sex hormones
D. Multifaceted hormones
Answer: | C |
null | Question: Cancer involves what changes that modify cell-cycle control and alter the growth rate or progression of the cell through the cell cycle?
Options:
A. stabilization
B. mutations
C. deletions
D. enhancements
Answer: | B |
null | Question: Who created the periodic table?
Options:
A. dmitri mendeleev
B. Niels Bohr
C. Isaac Newton
D. Gregor Mendel
Answer: | A |
null | Question: What compounds form crystals instead of molecules?
Options:
A. soluble compounds
B. magnetic compounds
C. metallic compounds
D. ionic compounds
Answer: | D |
null | Question: When a person stands on the floor, his feet exert what on the surface?
Options:
A. power
B. resistance
C. pressure
D. acceleration
Answer: | C |
null | Question: Balanced chemical reactions are balanced in what?
Options:
A. atoms
B. electrical charge
C. terms of moles
D. molecular bonds
Answer: | C |
null | Question: What is a large molecule with many repeating units?
Options:
A. plasma
B. supermolecule
C. polymer
D. cells
Answer: | C |
null | Question: What are the smallest particles of water called?
Options:
A. hydrogen
B. atoms
C. ions
D. molecules
Answer: | D |
null | Question: Competition within a species is called what?
Options:
A. reproducible competition
B. intraspecific competition
C. species competion
D. internal competition
Answer: | B |
null | Question: What is the name for the line dividing the earth's hemispheres?
Options:
A. longitude
B. plate
C. equator
D. latitude
Answer: | C |
null | Question: The actinides are all what type of elements?
Options:
A. nuclear
B. radioactive
C. large
D. multiple
Answer: | B |
null | Question: Waste leaves the body in the form of what?
Options:
A. impurities
B. stomach acid
C. feces
D. saliva
Answer: | C |
null | Question: What contains carbon, hydrogen, and oxygen in a ratio of 1:2:1?
Options:
A. magnesium
B. carbohydrate
C. sodium
D. helium
Answer: | B |
null | Question: Where in relation to the home, are levels of vocs found to be higher?
Options:
A. in Fields
B. On slopes
C. indoors
D. outdoors
Answer: | C |
null | Question: When a stream or river slows down, it starts dropping its what?
Options:
A. sediments
B. pollutants
C. organisms
D. fragments
Answer: | A |
null | Question: What is the thin coat of phospholipids that surrounds the cell and controls what enters and leaves?
Options:
A. plasma
B. myelin
C. cell membrane
D. blood
Answer: | C |
null | Question: What triggers the fight-or-flight response?
Options:
A. epinephrine
B. respiration
C. endorphine
D. amphetamine
Answer: | A |
null | Question: Like animals, protozoa are heterotrophic and capable of what?
Options:
A. creating
B. moving
C. pushing
D. working
Answer: | B |
null | Question: What part of the body do hookworms infest?
Options:
A. lungs
B. skin
C. intestines
D. brain
Answer: | C |
null | Question: What lines the passages of the nose and senses chemicals in the air?
Options:
A. optic receptors
B. matter receptors
C. consumption receptors
D. odor receptors
Answer: | D |
null | 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. Hurricane
C. rising air column
D. Wind pressure
Answer: | C |
null | Question: What kind of fibers are used to transport telephone and television signals?
Options:
A. process fibers
B. optical fibers
C. hair fibers
D. touch fibers
Answer: | B |
null | Question: An electric transformer connects two circuits with an iron core that becomes what?
Options:
A. inductive
B. radioactive
C. actuator
D. electromagnet
Answer: | D |
null | Question: What type of symmetry do echinoderms show?
Options:
A. radial
B. lateral
C. mirrored
D. parallel
Answer: | A |
null | Question: What do animals require to grow and develop?
Options:
A. sunlight
B. sucrose
C. food
D. carbon dioxide
Answer: | C |
null | Question: As with other organic compounds that form hydrogen bonds, water solubility of amines is reflected in the length of what?
Options:
A. carbon chains
B. hydrocarbon bonds
C. nuclei chains
D. complex carbohydrates
Answer: | A |
null | Question: What is the general shape of centrioles?
Options:
A. spherical
B. oval
C. arc
D. rod
Answer: | D |
null | Question: Life span is distinct from what, which means the sequence of stages a plant goes through from seed germination to seed production of the mature plant?
Options:
A. life cycle
B. spin cycle
C. society cycle
D. feeding cycle
Answer: | A |
null | Question: What theory proposes that microorganisms are the cause of many diseases?
Options:
A. mutated theory
B. germ theory
C. malignant theory
D. evolution theory
Answer: | B |
null | Question: Which law describes the angle at which the reflected rays leave the surface is equal to the angle at which the incident rays strike the surface?
Options:
A. reflection
B. gravity
C. velocity
D. diffusion
Answer: | A |
null | Question: On what basis are the eras of the phanerozoic eon separated?
Options:
A. mass extinctions
B. low birth rates
C. sparse extinctions
D. mass birthings
Answer: | A |
null | Question: The earth is like organisms in that it maintains a stable state, which is also known as what?
Options:
A. ketosis
B. dormancy
C. hibernation
D. homeostasis
Answer: | D |
null | Question: What bodily system is primarily responsible for fighting pathogens in the body?
Options:
A. immune
B. Cardiovascular
C. Muscular
D. digestion
Answer: | A |
null | Question: What is a thin membrane stretched tight across the end of the ear canal that vibrates when sound waves strike it?
Options:
A. earlobe
B. auricle
C. eardrum
D. cerebrum
Answer: | C |
null | Question: When dissolved in water, what do strong acids transfer to the solvent completely?
Options:
A. acidic electrons
B. acidic proteins
C. acidic neutrons
D. acidic protons
Answer: | D |
null | Question: Skeletal muscle cells and cardiac muscle cells share what property, which is not shared by smooth muscle cells?
Options:
A. surfaces
B. overlap
C. striations
D. filaments
Answer: | C |
null | Question: The part of the ecosystem required by a particular species is endangered when human activity threatens loss of what?
Options:
A. primary speciation
B. biodiversity
C. primary producers
D. habitat
Answer: | D |
null | Question: What stimulates the production of milk by the mammary glands following childbirth?
Options:
A. progesterone
B. prolactin
C. melanin
D. estrogen
Answer: | B |
null | Question: What is the term for an expression showing the relationship of the reaction rate to the concentrations of each reactant?
Options:
A. flow law
B. decay law
C. concentric law
D. rate law
Answer: | D |
null | Question: What refers to a group of individual organisms of the same species that live closely together?
Options:
A. a enviroment
B. a flock
C. a habitat
D. a colony
Answer: | D |
null | Question: What tissue blocks entry of pathogens in mammals?
Options:
A. esophageal
B. pathological
C. epithelial
D. dendritic
Answer: | C |
null | Question: What does the esophagus connect to at its bottom end?
Options:
A. the colon
B. the larynx
C. the large intestine
D. the stomach
Answer: | D |
null | Question: During a what type of reaction do chemical changes take place?
Options:
A. nuclear
B. toxic
C. biological
D. chemical
Answer: | D |
null | Question: What mechanism is used by living organisms to pass along genes?
Options:
A. protein
B. chlorophyll
C. digestion
D. dna
Answer: | D |
null | Question: The ability to change color, separately mobile and stereoscopic eyes, and rapidly extrudable tongues are distinguishing features of what lizards?
Options:
A. chameleons
B. snakes
C. crocodiles
D. geckos
Answer: | A |
null | Question: What part of the body does emphysema affect?
Options:
A. brain
B. lungs
C. heart
D. bones
Answer: | B |
null | Question: What type of fluid cushions the fetus and helps protect it from injury?
Options:
A. amniotic
B. aqueous
C. epithelial
D. plasmid
Answer: | A |
null | Question: What are the different feeding positions in a food chain or web called?
Options:
A. convoluted levels
B. neural levels
C. Primary Level
D. trophic levels
Answer: | D |
null | Question: Lipids are broken down by what?
Options:
A. lipases
B. triglycerides
C. amino acids
D. hydrolysis
Answer: | A |
null | Question: What type of energy of a system is the sum of the kinetic and potential energies of its atoms and molecules?
Options:
A. internal energy u
B. deep energy u
C. external energy u
D. primary energy u
Answer: | A |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.