question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: What allows giraffes to reach leaves that other ground animals cannot?
Options:
A. long tongue
B. camouflage pattern
C. long necks
D. long horns | C |
Question: Chemical formulas for ionic compounds are called what?
Options:
A. magnetic formulas
B. electronic formulas
C. velocity formulas
D. ionic formulas | D |
Question: What term is used to describe the full range of electromagnetic waves?
Options:
A. electromagnetic spectrum
B. electromagnetic scale
C. electromagnetic series
D. mechanical spectrum | A |
Question: How many lobes is each hemisphere of the cerebrum divided into?
Options:
A. 9
B. 2
C. 4
D. 5 | C |
Question: Varicose veins are veins that become enlarged because the valves no longer do this?
Options:
A. shrink properly
B. open properly
C. enlarge properly
D. close properly | D |
Question: Liquids with strong intermolecular forces have higher what than liquids with weaker forces?
Options:
A. temperature
B. melting point
C. freezing point
D. surface tension | D |
Question: What kind of volcanoes often form along divergent plate boundaries?
Options:
A. composite
B. dome
C. crest
D. shield | D |
Question: An element symbol without a charge written next to it is assumed to be what?
Options:
A. corroborate atom
B. uncharged atom
C. surfactants atom
D. dead atom | B |
Question: What is the fundamental unit of structure and function in all living organisms?
Options:
A. the backbone
B. the spinal cord
C. the vessels
D. the cell | D |
Question: What characteristic of particles determines how they are carried by flowing water?
Options:
A. density
B. color
C. texture
D. size | D |
Question: What term refers to something supplied by nature that helps support life?
Options:
A. natural resource
B. free resource
C. simple resource
D. existing resource | A |
Question: What is the shape of the orbits that planets make around the sun?
Options:
A. variable
B. elongated
C. elliptical
D. conical | C |
Question: What are chlamydia, gonorrhea, and syphilis an example of?
Options:
A. viral stis
B. metabolic disorders
C. genetic diseases
D. bacterial stis | D |
Question: What organism are resistant to freezing and drying and also are metabolically inactive?
Options:
A. spirogyra
B. trichina
C. giardia
D. zygosporangia | D |
Question: What is produced during a condensation reaction?
Options:
A. water
B. fire
C. wind
D. rain | A |
Question: What force pulls objects toward the center of the earth?
Options:
A. momentum
B. kinetic energy
C. gravity
D. centrifugal force | C |
Question: Where are protons and neutrons located?
Options:
A. secondary nucleus
B. central nucleus
C. orbitals
D. outside the nucleus | B |
Question: What is a measurement of the amount of variation of the species in a given area called?
Options:
A. biodiversity
B. population
C. degradation
D. ecosystem | A |
Question: Deleting or inserting a nitrogen base causes what?
Options:
A. a frameshift mutation
B. a degenerative mutation
C. a placentation mutation
D. a photoinhibition mutation | A |
Question: What are the chemical messengers used to communicate between cells?
Options:
A. neurons
B. peptides
C. hormones
D. membranes | C |
Question: Graphite and diamond both are made from carbon. what makes diamonds so hard?
Options:
A. strong atomic network
B. strong metallic network
C. weak atomic network
D. strong light network | A |
Question: The paranasal sinuses are hollow, air-filled spaces located within certain bones of the skull. all of the sinuses communicate with the nasal cavity (paranasal = “next to nasal cavity”) and are lined with this?
Options:
A. nasal mucosa
B. fluid mucosa
C. respiration mucosa
D. oral mucosa | A |
Question: What determines the strength of a base when dissolved in water?
Options:
A. pH level
B. amount of hydroxide ions produced
C. amount of phosphorus ions produced
D. saline content | B |
Question: What is the low level of radiation that occurs naturally in the environment called?
Options:
A. consequence radiation
B. neon radiation
C. temperature radiation
D. background radiation | D |
Question: Varicella zoster virus causes what two illnesses?
Options:
A. german measles and flu
B. flu and shingles
C. chicken pox and shingles
D. syphilis and lyme | C |
Question: The urethra transports urine from what organ to the outside of the body for disposal?
Options:
A. bladder
B. heart
C. lungs
D. brain | A |
Question: Magnetite crystals in lava typically point to what geographic location?
Options:
A. geographic north pole
B. the equator
C. magnetic south pole
D. magnetic north pole | D |
Question: Liquids that mix with water in all proportions are usually polar substances or substances that form these?
Options:
A. silicon bonds
B. compressed bonds
C. atmospheric bonds
D. hydrogen bonds | D |
Question: Lattice energy cannot be measured directly. what is its calculation based on?
Options:
A. measured energy changes
B. change in temperature
C. chemical reactions
D. microscopic inspection | A |
Question: What process provides over 99% of the energy supply for life on earth?
Options:
A. nutrients
B. Carbon
C. photosynthesis
D. gases | C |
Question: What type of animal are most reptiles in regards to diet?
Options:
A. arthropods
B. omnivores
C. herbivores
D. carnivores | D |
Question: Because of their reactivity, we do not find most representative metals as free elements where?
Options:
A. in the atomospher
B. in nature
C. underground
D. in water | B |
Question: Two important concepts, niche and habitat, are associated with what?
Options:
A. ecosystem
B. natural selection
C. water
D. plant | A |
Question: When does diseases like alzheimer's become more common?
Options:
A. i-40 age
B. toddler
C. teenager
D. old age | D |
Question: What is a fibrocartilaginous pad that fills the gap between adjacent vertebral bodies?
Options:
A. intervertebral disc
B. unidirectional disc
C. subsidence disc
D. Back Disk | A |
Question: What organic catalysts work by lowering the activation energy needed to start biochemical reactions?
Options:
A. glucose
B. enzymes
C. carbohydrates
D. hormones | B |
Question: What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis?
Options:
A. skin
B. skeleton
C. cuticle
D. fossil | B |
Question: When vertebrate animals metabolize ammonia what is the primary byproduct that is produced?
Options:
A. proteins
B. carbon monoxide
C. dioxide
D. urea | D |
Question: Which process involves solvent separation on a solid medium?
Options:
A. chromatography
B. resonance
C. affinity
D. substration | A |
Question: Plasmodesmata and gap junctions are channels between adjacent cells of what respective types?
Options:
A. plant and animal
B. new and old
C. plant and fungus
D. healthy and sick | A |
Question: Natural gas burns cleaner and produces less carbon dioxide than fuels of what type?
Options:
A. renewable fuels
B. fossil fuels
C. biofuels
D. solar energy | B |
Question: What are the simplest types of carbon-based compounds?
Options:
A. particles
B. hydrocarbons
C. Microbes
D. Cells | B |
Question: What process moves food through the esophagus no matter which position the body is in?
Options:
A. peristalsis
B. mastication
C. proteolysis
D. homeostasis | A |
Question: The female reproductive organs include the ovaries, fallopian tubes, uterus, and what?
Options:
A. vagina
B. womb
C. intestines
D. bladder | A |
Question: What do offsprings obtain from their parents in what is called, inheritance?
Options:
A. variations
B. characteristics
C. mutations
D. attributes | B |
Question: Warming up your body before a workout does what to the blood flow?
Options:
A. reduces it
B. increases it
C. minimizes it
D. stops it | B |
Question: What is a substance that increases the hydrogen ion concentration of a solution?
Options:
A. base
B. sulfur
C. carbon
D. acid | D |
Question: Scientists ask questions, and then make detailed observations to try to ask more specific questions, in order to develop what?
Options:
A. hypothesis
B. theories
C. suggests
D. Tests | A |
Question: What is the main difference between prokaryotic or eukaryotic cells ?
Options:
A. the presence of a Golgi Apparatus
B. the presence of a nucleus
C. the type of metabolic waste
D. the presence of cell walls | B |
Question: Supercontinents have formed at least how many times in earth history?
Options:
A. five
B. twenty
C. two
D. nine | A |
Question: How are layers of the atmosphere divided?
Options:
A. density gradients
B. temperature gradients
C. air gradients
D. color gradients | B |
Question: What term is used to describe molecules that contain carbon-nitrogen bonds?
Options:
A. nitrites
B. ions
C. compounds
D. amines | D |
Question: Birds have a flow-through respiratory system in which air flows unidirectionally from the posterior sacs into the lungs, then into these?
Options:
A. alveoli
B. gills
C. posterior bronchi
D. anterior air sacs | D |
Question: What are convection currents that occur far below the surface of the ocean called?
Options:
A. flat currents
B. deep currents
C. waves
D. subsequent currents | B |
Question: Cations are attracted to anions, which are ions with what charge?
Options:
A. negative
B. similar
C. positive
D. neutral | A |
Question: A non-bony skeleton that forms outside of the body is known as a what?
Options:
A. exoplate
B. excitoskeleton
C. exoskeleton
D. endoskeleton | C |
Question: The vagina connects to which internal organ?
Options:
A. ovaries
B. valves
C. uterus
D. artery | C |
Question: What is the measure of electric current?
Options:
A. watts
B. volts
C. ampheres
D. intensity | C |
Question: Name a passageway that is shared with the digestive system.
Options:
A. esophagus
B. larynx
C. pharynx
D. trachea | C |
Question: What substances function as a long-term energy store in the human body and possess long carbon chains that prevent dissolving in water?
Options:
A. triglycerides
B. steroids
C. hydrocarbons
D. nanoparticles | A |
Question: Thermal, radiant, electrical, nuclear, and chemical are all types of what?
Options:
A. fuel
B. energy
C. fuel
D. heating | B |
Question: Coronary arteries ans small in what?
Options:
A. length
B. density
C. height
D. diameter | D |
Question: What occurs when a substance reacts quickly with oxygen?
Options:
A. combustion reaction
B. oxidation
C. catalytic conversion
D. convection | A |
Question: What are the two basic types of competition called?
Options:
A. interference and interaction
B. instraspecifc and interspecific
C. exploitative and beneficial
D. weak and strong | B |
Question: Algae are much simpler than protozoa. they are aquatic and contain this?
Options:
A. testes
B. cloning factor
C. sporozoa
D. chlorophyll | D |
Question: What is a gram stain used to identify ?
Options:
A. radioactivity
B. different types of liquids
C. different types of bacteria
D. acids or bases | C |
Question: Burning gas to run our cars is an example of how human activity is contributing to what global event?
Options:
A. metamorphic change
B. ozone change
C. carbon change
D. climate change | D |
Question: The periodic table of elements is divided into what?
Options:
A. patterns
B. squares
C. groups
D. spheres | B |
Question: Wave amplitude of a transverse wave is the difference in height between what and the resting position?
Options:
A. a magnitude
B. a crest
C. a cascade
D. a valley | B |
Question: What is secreted before ejaculation to neutralize acidic urine remaining in the urethra?
Options:
A. pre-cum
B. clear mucus
C. semen
D. sperm | B |
Question: Because conifers carry both male and female sporophylls on the same mature sporophyte, they are considered what type of plant?
Options:
A. monoecious
B. bioecious
C. dioecious
D. siliceous | A |
Question: Who lack some of the defining traits of chordates?
Options:
A. Childern
B. Reptiles
C. Adult Mammals
D. adult humans | D |
Question: What does convection within the earth's mantel cause?
Options:
A. volcanos
B. hurricanes
C. plates to move
D. microorganisms to move | C |
Question: Autoimmunity can develop with time, and its causes may be rooted in this?
Options:
A. inheritance
B. resistance
C. spontaneous mutation
D. molecular mimicry | D |
Question: Why does warm air rise higher in the troposphere?
Options:
A. it is less flourishing than cool air
B. it is more dense than cool air
C. It contains hydrogen
D. it is less dense than cool air | D |
Question: Getting the same result when an experiment is repeated is called what?
Options:
A. mutation
B. initiation
C. repetition
D. replication | D |
Question: Some membranes have what kind of surfaces exposed to the cytoplasm?
Options:
A. bilayer
B. outer
C. hydrophobic
D. obstructionary | C |
Question: Plants and fungi cells have what basic cell structure, which animals do not have?
Options:
A. Cytoskeleton
B. Cell Membrane
C. cell wall
D. Lysosomes | C |
Question: The way in which the sun produces light is called what?
Options:
A. rays
B. photosynthesis
C. tumescence
D. incandescence | D |
Question: What kind of light bulb contains a thin wire filament made of tungsten that gets hot and glows?
Options:
A. LED
B. black light
C. fluorescent
D. incandescent | D |
Question: What do you call a mixture in which some particles settle out of it when it is left standing?
Options:
A. suspension
B. alloy
C. homogenous
D. emulsion | A |
Question: What do you call the process of a solid becoming a liquid?
Options:
A. freezing
B. boiling
C. melting
D. vaporizing | C |
Question: Once a plant cell becomes specialized, what can they no longer do?
Options:
A. osmosis
B. cellular respiration
C. photosynthesis
D. divide | D |
Question: The hardest natural substance, diamond is a form of what element?
Options:
A. zirconium
B. zenon
C. carbon
D. hydrogen | C |
Question: Much of what type of radiation that strikes the planet is reflected back into space?
Options:
A. microwaves
B. gamma rays
C. solar radiation
D. magentic radiation | C |
Question: What particles are formed from a neutron in beta decay?
Options:
A. electron and a proton
B. mucus and a proton
C. atom and proton
D. rust and proton | A |
Question: What class of acids do carboxylic acids fall under?
Options:
A. inorganic acids
B. hydrochloric acids
C. organic acids
D. carbolic acids | C |
Question: Plants can absorb inorganic nutrients and water through their root system, and what gas from the environment?
Options:
A. nitrogen dioxide
B. chemical dioxide
C. hydrogen dioxide
D. carbon dioxide | D |
Question: Giardia is an example of a protozoa that uses flagella for what purpose?
Options:
A. reproduction
B. light
C. movement
D. nutrients | C |
Question: Nearly all earthquakes occur where?
Options:
A. in Asia
B. in large cities
C. plate boundaries
D. plate centers | C |
Question: Conotoxins released by certain marine snails can bring about paralysis in humans, indicating that this toxin attacks what system?
Options:
A. circulatory
B. neurological
C. cardiovascular
D. cerebral | B |
Question: What is the second largest planet in the solar system?
Options:
A. Venus
B. saturn
C. jupiter
D. Mars | B |
Question: Fruit comes from the ovaries of what types of plants?
Options:
A. deciduous
B. flowering
C. perennial
D. sprouting | B |
Question: Resistors connected end to end are said to be in what?
Options:
A. lines
B. parallel
C. series
D. groups | C |
Question: Molar mass is equal to density multiplied by what?
Options:
A. molar energy
B. molar volume
C. molar weight
D. molar gravity | B |
Question: What plastid makes and stores other pigments?
Options:
A. pores
B. chromoplasts
C. sporozoans
D. pores | B |
Question: What effect causes global winds to blow on a diagonal over the earth's surface?
Options:
A. dopler effect
B. resonant effect
C. centrifugal effect
D. coriolis effect | D |
Question: When members of the same species compete for the same resources, it is called what?
Options:
A. interspecies competition
B. intraspecific competition
C. extinction
D. natural selection | B |
Question: Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead what?
Options:
A. eukaryotic
B. chloroplasts
C. mammals
D. plants | A |
Question: What do bees carry from one plant to another to facilitate plant growth and development?
Options:
A. spores
B. pollen
C. fungi
D. nutrients | B |
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