question stringlengths 68 502 | answer stringclasses 4
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Question: What type of field does earth have?
Options:
A. seismic
B. magnetic
C. force field
D. atmospheric | B |
Question: Single bonds allow the atoms they join to rotate freely about the what?
Options:
A. nucleus
B. electron shell
C. atomic orbit
D. bond axis | D |
Question: Preserved remains or traces of organisms that lived in the past are known as what?
Options:
A. deposits
B. skulls
C. archives
D. fossils | D |
Question: Co 2 , h 2 o, methane, o 3 , nitrous oxides (no and no 2 ), and chlorofluorocarbons (cfcs) are known as what type of gases?
Options:
A. greenhouse gases
B. carbonate gases
C. chemical gases
D. hydrogen gases | A |
Question: A black solid by itself, this element is incredibly important because of what it makes when it combines with many other elements, including oxygen?
Options:
A. dioxide
B. lead
C. carbon
D. hydrogen | C |
Question: Radar maps of venus show that it has mountains, canyons and volcanoes surrounded by plains of what?
Options:
A. water
B. lava
C. helium
D. grasses | B |
Question: Bones are part of which body system?
Options:
A. hard system
B. skeletal system
C. circulation system
D. muscular system | B |
Question: Name the 2 types of carbohydrates?
Options:
A. simple and nuclear
B. simple and complex
C. simple and thermal
D. simple and structural | B |
Question: The lungs are a series of ever-narrowing tubes that end in a myriad of tiny sacs called what?
Options:
A. alveoli
B. testes
C. glands
D. brachii | A |
Question: Fish and other aquatic organisms use gills to capture dissolved what?
Options:
A. oxygen
B. food
C. nitrogen
D. sulfur | A |
Question: What phase of a human life does not have a definite starting point?
Options:
A. death
B. adolescence
C. adulthood
D. childhood | C |
Question: Where do all plants come from?
Options:
A. distant ancestors
B. cetacean ancestors
C. terrestrial ancestors
D. phylogenetic ancestors | C |
Question: The esophagus runs a mainly straight route through the mediastinum of what?
Options:
A. stomach
B. liver
C. lungs
D. thorax | D |
Question: What chambers are responsible for pumping blood out of the heart?
Options:
A. valves
B. vacuoles
C. cells
D. ventricles | D |
Question: What's the term for the period during which women's ovaries stop producing eggs?
Options:
A. maturity
B. adolescence
C. puberty
D. menopause | D |
Question: What is the set of steps that scientists use to learn about the world?
Options:
A. rhythm method
B. scientific method
C. Socratic method
D. philosophic method | B |
Question: Which are the closest living relations to land plants?
Options:
A. charophytes
B. arthropods
C. sporozoans
D. mammals | A |
Question: In vertebrates, what structure runs from the brain to the tail end of the backbone?
Options:
A. ribcage
B. backbone
C. aortic valve
D. spinal cord | D |
Question: What is it called when the chance that a certain event will occur?
Options:
A. difficulty
B. mutation
C. procession
D. probability | D |
Question: What is the hardest of all minerals?
Options:
A. gold
B. diamonds
C. platinum
D. titanium | B |
Question: When bread bakes, yeast releases which gas?
Options:
A. hydrogen
B. carbon dioxide
C. carbon monoxide
D. oxygen | B |
Question: What nervous tissue cells play a supporting role to neurons?
Options:
A. mammalian cells
B. reissner cells
C. axial cells
D. glial cells | D |
Question: Use of oil-consuming bacteria to clean up an oil spill is an example of what?
Options:
A. generation
B. coagulation
C. bioremediation
D. biodegradation | C |
Question: What is the process called in which living things produce offspring?
Options:
A. variation
B. diversification
C. reproduction
D. photosynthesis | C |
Question: What are the building blocks of peptides?
Options:
A. rocks
B. magnets
C. amino acids
D. alkali | C |
Question: The pull of the moon’s gravity on earth is the main cause of what water phenomenon?
Options:
A. floods
B. waves
C. tides
D. storms | C |
Question: What happens to evolution when equilibrium is reached within the genes of the population?
Options:
A. it stops occurring
B. it accelerates
C. it starts over
D. it goes backwards | A |
Question: Prostaglandins worsen what by increasing nociceptor sensitivity to noxious stimuli?
Options:
A. pain
B. recovery time
C. inflammation
D. reaction speed | A |
Question: The outer surface of the heart changes from positive to negative during what?
Options:
A. reproduction
B. depolarization
C. inflammation
D. permeability | B |
Question: What are the closest relatives to modern angiosperms?
Options:
A. staurikosaurus
B. sporozoans
C. mitochondria
D. gnetophytes | D |
Question: Heating a gas gives its particles more of what type of energy?
Options:
A. kinetic energy
B. residual energy
C. electrostatic energy
D. nuclear energy | A |
Question: What is the term for long carbohydrate molecules of repeated monomer units joined together by glycosidic bonds?
Options:
A. polysaccharides
B. hydrocarbons
C. fibres
D. template strands | A |
Question: What is the only known planet with large amounts of water?
Options:
A. saturn
B. mars
C. earth
D. jupiter | C |
Question: What is the disease in which bones lose mass and become more fragile and likely to break?
Options:
A. fibrosis
B. tuberculosis
C. osteoporosis
D. arthritis | C |
Question: What speeds up the reactions of chemical digestion?
Options:
A. stomach acids
B. protein catalysts
C. electrical enzymes
D. digestive enzymes | D |
Question: In how many states does water exist on earth?
Options:
A. one matter states
B. three matter states
C. two matter states
D. eight matter states | B |
Question: Find the overall magnification of what instrument by finding the magnification of the objective, then the magnification of the eyepiece?
Options:
A. belt microscope
B. compound microscope
C. part microscope
D. Fixing microscope | B |
Question: Insects have a highly specialized type of respiratory system called what?
Options:
A. gland system
B. tracheal system
C. grunion system
D. nasal system | B |
Question: What are the two main minerals found in ocean water?
Options:
A. dioxide , chloride
B. carbon , chloride
C. quartz, carbon
D. sodium, chloride | D |
Question: Which form of digestion is a purely physical process that does not change the chemical nature of the food?
Options:
A. simple
B. electromagnetic
C. mechanical
D. slow | C |
Question: What was the early study of chemistry called?
Options:
A. pharmacology
B. alchemy
C. horticulture
D. magic systems | B |
Question: What are used to balance chemical equations?
Options:
A. fractions
B. densities
C. coefficients
D. velocities | C |
Question: What kind of core does mercury have?
Options:
A. solid metal
B. dense metal
C. gas
D. liquid metal | D |
Question: Physical features on the earth's surface are known as ______
Options:
A. biospheres
B. diversity
C. atmospheres
D. landforms | D |
Question: "direct" and "alternating" are two kinds of what, which is associated with electricity?
Options:
A. constant
B. levels
C. current
D. time | C |
Question: What is a strombolian eruption named for?
Options:
A. mt. stromboli
B. a country
C. mt. st. helens
D. an ice cleaner | A |
Question: Which part of the plant conduct water and minerals as well as anchor the plant.
Options:
A. cilia
B. stem
C. roots
D. leaves | C |
Question: Ice caps are found only in greenland and which other place?
Options:
A. Siberia
B. rainforests
C. the tundra
D. antarctica | D |
Question: During a what type of reaction do chemical changes take place?
Options:
A. nuclear
B. chemical
C. toxic
D. biological | B |
Question: In mammals, the cells on the exterior form the trophectoderm, which goes on to form what?
Options:
A. extraembryonic tissues
B. protoplanetary tissues
C. cardiac tissues
D. aeroponics tissues | A |
Question: In sexual reproduction, what is the name of the gamete cell the male must contribute?
Options:
A. sperm
B. spore
C. plasma
D. ova | A |
Question: The term "environment of deposition" is useful for understanding the characteristics of what type of rock?
Options:
A. glacial
B. limestone
C. meteor
D. sedimentary | D |
Question: Apical dominance, seed germination, gravitropism, and resistance to freezing are all positively influenced by what type of chemicals in plants?
Options:
A. pesticides
B. hormones
C. enzymes
D. photosynthesis | B |
Question: In the nasal cavity, what 2 things trap particles from incoming air?
Options:
A. mucus and hair
B. saliva and hair
C. phlegm and hair
D. mucus and skin | A |
Question: Elemental carbon is a black, dull-looking solid that conducts heat and this?
Options:
A. electricity
B. energy
C. light
D. vibration | A |
Question: Who created the periodic table?
Options:
A. Gregor Mendel
B. dmitri mendeleev
C. Niels Bohr
D. Isaac Newton | B |
Question: What are unique in having adaptive immunity in addition to innate immunity?
Options:
A. organelles
B. cells
C. invertebrates
D. vertebrates | D |
Question: All three axes are established before the zygote begins to undergo what?
Options:
A. birth
B. twinning
C. cloning
D. cleavage | D |
Question: Because they are charged (polar), these ions do not diffuse through what?
Options:
A. membrane
B. cell wall
C. substrate
D. protein | A |
Question: What are complex organic molecules that make up cells?
Options:
A. carbohydrates
B. sugars
C. acids
D. proteins | D |
Question: A light bulb converts electrical energy to light and what?
Options:
A. kinetic energy
B. chemical energy
C. thermal energy
D. visible energy | C |
Question: What are chemical bonds between atoms of nonmetals that share valence electrons called?
Options:
A. ionic bonds
B. covalent bonds
C. gravitational bonds
D. electron bonds | B |
Question: What piece of technology can you use to see infrared light?
Options:
A. telescope
B. light meters
C. night goggles
D. microscope | C |
Question: Lenses make use of what to create images?
Options:
A. resonance of light
B. stimulation of light
C. envelopment of light
D. refraction of light | D |
Question: What do animals observe in others to help solve problems?
Options:
A. function
B. communication
C. patterns
D. behavior | D |
Question: Reef sponges typically have what type of beneficial relationships with other reef species?
Options:
A. symbiotic
B. microbes
C. parasitic
D. mutual | A |
Question: Where is the only place an electric charge can be found?
Options:
A. ion
B. conductor
C. neuron
D. translator | B |
Question: What part of a cell do proteins travel to to be modified for the specific job they will do?
Options:
A. lysosome
B. nucleus
C. golgi apparatus
D. plasma membrane | C |
Question: When current flows in just one direction, what is it called?
Options:
A. mono-current
B. alternating current
C. direct current
D. reactant current | C |
Question: An ammeter must be connected in series with what to allow it to accurately measure the current flow without causing any disruptions?
Options:
A. capacitors
B. resistors
C. insulators
D. configurations | B |
Question: What combines with rain to form acid rain?
Options:
A. carbon dioxide and sulfur oxides
B. compost and sulfur oxides
C. suction and sulfur oxides
D. nitrogen and sulfur oxides | D |
Question: Bacterial stis include chlamydia, gonorrhea, and syphilis are diseases that can usually be cured with what?
Options:
A. antibiotics
B. antioxidants
C. antivirals
D. antihistamines | A |
Question: Rubbing your hands together warms them by converting work into what energy?
Options:
A. kinetic energy
B. thermal energy
C. layer energy
D. motion energy | B |
Question: What is the opposite of nuclear fusion?
Options:
A. energy fission
B. might fission
C. nuclear fission
D. Solar Power | C |
Question: What are the three classifications of elements?
Options:
A. metals, metaloids, and alkaloids
B. alkaloids, metaloids, and non-metals
C. metals, non-metals and metaloids
D. metals, non-metals and alkaloids | C |
Question: Worms use a hydrostatic type of what anatomical structure to move through their environment?
Options:
A. tail
B. gastrointestinal system
C. skeleton
D. head | C |
Question: What flexible organ enables swallowing and speech?
Options:
A. stomach
B. large intestine
C. diaphram
D. tongue | D |
Question: What is a wall of rocks or concrete called?
Options:
A. groin
B. ankle
C. knee
D. foot | A |
Question: What are the special mating behaviors in birds called?
Options:
A. courtship
B. attraction
C. display
D. presentation | A |
Question: What kind of charges do protons give the nucleus?
Options:
A. dynamic
B. neutral
C. negative
D. positive | D |
Question: What happens when a cell takes in substances through its membrane?
Options:
A. endocytosis
B. metastasis
C. dialysis
D. filtration | A |
Question: What are compounds formed by ionic bonds called?
Options:
A. layered compounds
B. ionic compounds (salts)
C. mixed compounds
D. nuclear compounds | B |
Question: What kind of diagrams can be used to illustrate electron movements and ion formation?
Options:
A. electron dot diagrams
B. atomic models
C. venn diagrams
D. contour maps | A |
Question: What always continues in a red supergiant?
Options:
A. heat
B. fission
C. movement
D. fusion | D |
Question: Glycolysis, the krebs cycle, and the electron transport chain are stages in what process?
Options:
A. mitosis
B. cell death
C. reproduction
D. aerobic cellular respiration | D |
Question: Sex-linked traits are located on genes on what chromosomes?
Options:
A. reactive
B. neural
C. dna
D. sex | D |
Question: What nerves attached to the brain are mainly responsible for motor and sensory functions?
Options:
A. somatic nerves
B. cranial nerves
C. autonomic nerves
D. stimulation nerves | B |
Question: What would you need to see most cells?
Options:
A. ultraviolet
B. infrared
C. microscope
D. mirror | C |
Question: The intermolecular structure of what has spaces that are not present in liquid water?
Options:
A. ice
B. vapor
C. condensation
D. distillate | A |
Question: Some compounds form rigid frameworks called what?
Options:
A. grids
B. crystals
C. ions
D. chemicals | B |
Question: What type of relationship is it when one variable increases the other variable decreases?
Options:
A. inverse
B. regression
C. divergence
D. curve | A |
Question: What is the term for polyatomic ligands with two or more donor atoms?
Options:
A. proteins
B. chelates
C. angiosperms
D. polyamines | B |
Question: A single, often oversimplified, path through which energy and matter flow through an ecosystem is also known as what?
Options:
A. life cycle
B. food chain
C. fuel chain
D. the chain | B |
Question: Oncogenes are involved in the formation of what disease?
Options:
A. cancer
B. autoimmune disease
C. heart disease
D. colds | A |
Question: The lack of annihilation radiation coming to us from space proves that the universe is dominated by what?
Options:
A. vacuum
B. space
C. matter
D. energy | C |
Question: Dinitrophenol (dnp) is an uncoupler that makes the inner mitochondrial membrane leaky to protons. it was used until 1938 as a what?
Options:
A. bone density drug
B. immune system booster
C. weight loss drug
D. sleep loss drug | C |
Question: Melanocytes are located in which layer of the epidermis?
Options:
A. bottom
B. follicle
C. outer
D. crust | A |
Question: Soils with higher capacities generally have a larger reserve of what?
Options:
A. mineral nutrients
B. hydrogen nutrients
C. water
D. protein | A |
Question: Materials that are good conductors of thermal energy are called?
Options:
A. atmospheric inductors
B. thermal inductors
C. thermal conductors
D. atmospheric conductors | C |
Question: Composite cones are steep-sided, cone-shaped types of what, which produce explosive eruptions?
Options:
A. mountains
B. earthquakes
C. craters
D. volcanoes | D |
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