question stringlengths 68 502 | answer stringclasses 4
values |
|---|---|
Question: Melting ice and grinding wood into sawdust are examples of what?
Options:
A. chemical changes
B. unpredictable changes
C. physical changes
D. reversible changes | C |
Question: In humans and other multicellular organisms, different types of what basic structures are specialized for specific jobs?
Options:
A. proteins
B. organs
C. cells
D. lipids | C |
Question: How much unpolarized light does a polarized filter block?
Options:
A. 60 %
B. 100%
C. 40 %
D. 50% | D |
Question: What is the term for cellular eating?
Options:
A. ancylosis
B. phagocytosis
C. Pinocytosis
D. consumption | B |
Question: Genes are used to make mrna by the process of transcription; mrna is used to synthesize proteins by the process of what?
Options:
A. translation
B. moderation
C. production
D. modification | A |
Question: What is the most important way that humans communicate?
Options:
A. painting
B. instinct
C. inheritance
D. language | D |
Question: Somatic, autonomic, and enteric structures are part of what system?
Options:
A. circulatory system
B. adrenal system
C. circulatory system
D. nervous system | D |
Question: Duckweed and cattails serve what role in the food chain in freshwater biomes?
Options:
A. tertiary consumer
B. secondary consumer
C. primary producer
D. primary consumer | C |
Question: If humans were to artificially intervene and fertilize the egg of a bald eagle with the sperm of an african fish eagle and a chick did hatch, that offspring, called a hybrid (a cross between two species), would probably be this?
Options:
A. infertile
B. mutated
C. fertile
D. nonviable | A |
Question: What causes lightning during a thunderstorm?
Options:
A. difference in charge
B. difference in wind
C. difference in temperature
D. difference in elevation | A |
Question: The human heart is located within what cavity?
Options:
A. spinal
B. pelvic
C. thoracic
D. abdominal | C |
Question: What is the name of the symbiotic relationship in which one species benefits while the other species is not affected?
Options:
A. differentiation
B. commensalism
C. pollenation
D. mutualism | B |
Question: Living things need to take in nutrients so that they can grow and create what?
Options:
A. plasma
B. energy
C. protein
D. hydrogen | B |
Question: Common forms of what include light, chemical and heat, along with kinetic and potential?
Options:
A. energy
B. reactions
C. fuel
D. pressure | A |
Question: What is the job of hemoglobin in the body?
Options:
A. infects oxygen
B. transports neurons
C. become scabs
D. transports oxygen | D |
Question: What are the most numerous and diverse biochemical compounds?
Options:
A. vitamins
B. acids
C. lipids
D. proteins | D |
Question: Loss of what eventually threatens other species not impacted directly, because of their interconnectedness; as species disappear from an ecosystem others are threatened by changes in available resources?
Options:
A. technology
B. biodiversity
C. climate
D. oxygen | B |
Question: How many centimeters are in a meter?
Options:
A. 200
B. 100
C. 50
D. 1000 | B |
Question: What is the term of a phase change if solid water has it's average kinetic energy increased to change it to liquid water?
Options:
A. boiling
B. melting
C. evaporation
D. freezing | B |
Question: What type of animals are known for being playful and frisky?
Options:
A. cows
B. sea otters
C. snakes
D. giant tortoises | B |
Question: Virtually all of the effects of pregnancy can be attributed in some way to the influence of what?
Options:
A. proteins
B. enzymes
C. hormones
D. acids | C |
Question: A mass suspended by a wire is a simple type of what and undergoes simple harmonic motion for amplitudes less than about 15 degrees?
Options:
A. gravity
B. variation
C. weight
D. pendulum | D |
Question: The structure of the gas carbon dioxide consists of one atom of carbon and two atoms of what?
Options:
A. methane
B. sulfur
C. Helium
D. oxygen | D |
Question: What type of numerical figure is important in considering the precision and accuracy of a number?
Options:
A. component
B. insignificant
C. significant
D. exponent | C |
Question: What rod provides stiffness to counterbalance the pull of muscles?
Options:
A. spinal cord
B. notochord
C. mesoderm
D. vertebrae | B |
Question: What type of cell does the sperm cell fertilize?
Options:
A. bacteria
B. egg
C. fat
D. protein | B |
Question: Where does the most important monsoon in the world occur?
Options:
A. the atlantic ocean
B. southern asia
C. northern africa
D. eastern aisa | B |
Question: What is the earliest reptile?
Options:
A. staurikosaurus
B. pliosaur
C. hylonomus
D. sporozoans | C |
Question: Which side of the heart does blood from the lungs enter into?
Options:
A. right ventricle
B. left ventricle
C. right atrium
D. left atrium | D |
Question: Smog is a visible form of what?
Options:
A. condensation
B. water pollution
C. oxidation
D. air pollution | D |
Question: Which therapy uses viruses to genetically modify diseased cells and tissues?
Options:
A. viral therapy
B. chemotherapy
C. digestive therapy
D. oxygen therapy | A |
Question: Radiotherapy is effective against cancer because cancer cells reproduce rapidly and, consequently, are more sensitive to this?
Options:
A. separation
B. radiation
C. UV light
D. destruction | B |
Question: What type of cells are multiple small spaces located in the right and left sides of the ethmoid bone?
Options:
A. ethmoid vacuoles
B. alveoli
C. amniotic sacs
D. ethmoid air cells | D |
Question: When what element - whose name means "light bringing" - was first isolated, scientists noted that it glowed in the dark and burned when exposed to air?
Options:
A. mercury
B. phosphorus
C. oxygen
D. neon | B |
Question: Digestive enzymes secreted in the acidic environment (low ph) of the stomach help break down what?
Options:
A. proteins
B. cells
C. molecules
D. particles | A |
Question: The majority of solids are what in nature?
Options:
A. complex
B. crystalline
C. liquids
D. gases | B |
Question: What are the most abundant unicellular algae in the oceans?
Options:
A. chlorella
B. staurikosaurus
C. chryosophytes
D. sporozoans | C |
Question: What term is used to describe the cellular structures responsible for protein synthesis?
Options:
A. chromosomes
B. chloroplasts
C. ribosomes
D. nuclei | C |
Question: What is the sun classified as on the main sequence?
Options:
A. yellow dwarf
B. red dwarf
C. gas giant
D. shrinking star | A |
Question: The term science comes from a latin word that means?
Options:
A. having knowledge
B. having information
C. only knowledge
D. were knowledge | A |
Question: Lymph vessels, like veins, have what objects that prevent the backflow of fluid?
Options:
A. pumps
B. fibers
C. pores
D. valves | D |
Question: Veins subdivide repeatedly and branch throughout what?
Options:
A. mesophyll
B. stroma
C. epidermis
D. periosteum | A |
Question: What is the term for heat being transferred from molecule to molecule?
Options:
A. convection
B. conduction
C. oxidation
D. decomposition | B |
Question: What is a group of organs that work together to do the same job?
Options:
A. an organ system
B. an organ assembly
C. an organ battery
D. an organ colony | A |
Question: What are specialized cells that are capable of sending electrical as well as chemical signals?
Options:
A. neurons
B. hormones
C. enzymes
D. ions | A |
Question: What did sir isaac newton's famous law help people understand?
Options:
A. motion
B. gravity
C. light
D. radio waves | B |
Question: Compounds containing an atom of what element, bonded in a hydrocarbon framework, are classified as amines?
Options:
A. hydrogen
B. oxygen
C. ammonia
D. nitrogen | D |
Question: What line of latitude is an equal distance from both the north and south poles?
Options:
A. divider
B. equator
C. mid-part
D. meridian | B |
Question: What type of graph is useful for showing percents of a whole?
Options:
A. gnomic graphs
B. circle graphs
C. bar graphs
D. shift graphs | B |
Question: What substances affect the brain and influence how a person feels, thinks, or acts?
Options:
A. amphetamines
B. psychoactive drugs or drugs
C. H2 blockers
D. primeval drugs or drugs | B |
Question: The reaction rate usually increases as the concentration of what increases?
Options:
A. generators
B. mutations
C. complexes
D. reactants | D |
Question: Atoms are composed of negatively charged electrons and a positively charged what?
Options:
A. neutron
B. nucleus
C. bond
D. DNA segment | B |
Question: Communication is any way that animals share what?
Options:
A. information
B. food
C. genes
D. water | A |
Question: What do the muscles of the gastrointestinal tract do?
Options:
A. keep food moving
B. break down food
C. stop digestion
D. secrete stomach acid | A |
Question: What is the fan-like superior region that forms the largest part of the hip bone and is united to the sacrum at the largely immobile sacroiliac joint?
Options:
A. ilium
B. spine
C. pica
D. septum | A |
Question: What do jellyfish lack in their nervous system?
Options:
A. Cortex
B. Response
C. stimulus
D. true brain | D |
Question: Ingestive protists extend their cell wall and cell membrane around the food item, forming a what?
Options:
A. fuel vacuole
B. food vacuole
C. protective bubble
D. food pocket | B |
Question: What type of flowers offer no reward, such as nectar, to a male wasp?
Options:
A. ophrys
B. perennials
C. vines
D. roses | A |
Question: If an abnormal cell is not prevented from dividing and it divides uncontrollably, what forms?
Options:
A. cyst
B. inflammation
C. edema
D. tumor | D |
Question: Vertebrates have evolved more complex digestive systems, with some species having multi-chambered types of what organ?
Options:
A. respiratory
B. skin
C. stomach
D. heart | C |
Question: A trait controlled by a single gene that has two alleles is given what name, after the scientist who studied inheritance?
Options:
A. carlinian trait
B. rosilin trait
C. mendelian trait
D. darwinian trait | C |
Question: What law states that energy cannot be created or destroyed?
Options:
A. difference of energy
B. conservation of force
C. conservation of energy
D. deposit of energy | C |
Question: How do mammals generate heat?
Options:
A. maintaning low metabolism
B. running around fast
C. maintaining high metabolism
D. eating spicy foods | C |
Question: What are small, icy objects that have very elliptical orbits around the sun?
Options:
A. craters
B. meteors
C. asteroids
D. comets | D |
Question: Is the most basic what is the most basic of the sciences, concerning itself with energy, matter, space and time, and their interactions?
Options:
A. experiments
B. biology
C. genetics
D. physics | D |
Question: Which is the active ingredient of cereal crop disease, ergot?
Options:
A. pixelation acid
B. byblis acid
C. lysergic acid
D. amino acid | C |
Question: What type of structures evolved to do the same job by unrelated organisms?
Options:
A. symmetrical structures
B. dioxide structures
C. analogous structures
D. primal structures | C |
Question: What explains the spherical shape of ceres, once thought to be the largest asteroid?
Options:
A. space debris
B. orbital plane
C. low gravity
D. high gravity | D |
Question: What measures the height of the largest seismic wave or earth quakes?
Options:
A. tremor scale
B. The EF Scale
C. magnitude scale
D. richter scale | D |
Question: What type of winds are created when more solar energy strikes the equator than the polar regions?
Options:
A. equatorial winds
B. domestic winds
C. arctic winds
D. global winds | D |
Question: Reptiles and birds are the only known living descendants of what?
Options:
A. fossils
B. dragons
C. mammals
D. dinosaurs | D |
Question: Organism's changing over time is called?
Options:
A. generation
B. evolution
C. variation
D. heterogenicity | B |
Question: The law of conservation mass states that matter cannot be created or what?
Options:
A. changed
B. moved
C. observed
D. destroyed | D |
Question: What help should you use for disposing hazardous products?
Options:
A. call poison control
B. guidelines on label
C. first aid kit
D. biohazard unit | B |
Question: Although surface waves are slowest, they do most of the damage of what event?
Options:
A. earthquake
B. volcano
C. hurricane
D. tsunami | A |
Question: Fruit begins to ripen because what gas is released?
Options:
A. hydrogen
B. chloride
C. ethylene
D. sulfur | C |
Question: Winter storms develop from what, which form at high altitudes and are associated with hurricanes as well?
Options:
A. droughts
B. fronts
C. cyclones
D. currents | C |
Question: Fungi absorb nutrients from the environment through what?
Options:
A. spores
B. mycelia
C. apothecia
D. hymenium | B |
Question: What do you call any process in which excess water or wastes are removed from the body?
Options:
A. depletion
B. excretion
C. diffusion
D. digestion | B |
Question: Earth's temperature will increase further as more of what colorfully nicknamed gases are put into the atmosphere?
Options:
A. green dioxide gases
B. bluehouse gases
C. greenhouse gases
D. blue dioxide gases | C |
Question: What happens to cells in a hypertonic solution as water leaves the cell via osmosis?
Options:
A. self destruction
B. shrinkage
C. get larger
D. evaporation | B |
Question: Digestion and respiration are both facilitated by the pharynx, more commonly called the what?
Options:
A. throat
B. sinus
C. nose
D. esophagus | A |
Question: What muscle is found only in the walls of the heart?
Options:
A. respiratory muscle
B. cardiac muscle
C. skeletal muscle
D. abdominal muscle | B |
Question: The wave on a guitar string is transverse. the sound wave rattles a sheet of paper in a direction that shows the sound wave is what?
Options:
A. lateral
B. obtuse
C. longitudinal
D. magnetic | C |
Question: How do leaves export sugar to roots and other nonphotosynthetic parts of the plant?
Options:
A. stems
B. chloroplasts
C. glands
D. veins | D |
Question: Some metals, such as gold and platinum, do not corrode easily because they are very resistant to what?
Options:
A. heat
B. precipitation
C. oxidation
D. evaporation | C |
Question: What are floods a source of on a floodplain?
Options:
A. salt
B. acids
C. nutrients
D. minerals | C |
Question: Which process helps deaminate amino acids?
Options:
A. transamination
B. caramelization
C. bromination
D. deactivation | A |
Question: What is each half of the cerebrum called?
Options:
A. demisphere
B. a describe
C. a biplane
D. a hemisphere | D |
Question: During interphase, the cell undergoes normal growth processes while also preparing for what, by accumulating energy and building blocks of dna?
Options:
A. proteins division
B. chromosome division
C. cell division
D. technology division | C |
Question: What type of species have a large effect on the balance of organisms in an ecosystem?
Options:
A. secondary consumers
B. decomposers
C. producers
D. keystone | D |
Question: Which type of skeleton supports the animal, protects internal organs, and allows for movement?
Options:
A. mechanical
B. external
C. shell
D. internal | D |
Question: After cell division what are the two new cells called?
Options:
A. production cells
B. step cells
C. offspring cells
D. daughter cells | D |
Question: What are bacteria and archaea examples of?
Options:
A. fungi
B. eukaryotes
C. plants
D. prokaryotes | D |
Question: What gives a coil of copper wire the ability to conduct electricity well?
Options:
A. metallic bonds
B. optical bonds
C. metallic ions
D. metallic electrons | A |
Question: Blood helps maintain homeostasis by stabilizing ph, temperature, osmotic pressure, and by eliminating this?
Options:
A. water
B. acid
C. toxins
D. excess heat | D |
Question: During sexual reproduction, the macronucleus dissolves and is replaced by what?
Options:
A. chromosomes
B. micronucleus
C. sporozoans
D. fluctuations | B |
Question: When naming this type of ion the ending of the element’s name is dropped and replaced with the – ide suffix?
Options:
A. oxides
B. anions
C. amines
D. cations | B |
Question: What is a random change in an organism's genes?
Options:
A. accumulation
B. mutation
C. infection
D. meiosis | B |
Question: Osseous tissue - the connective tissue that includes specialized cells, mineral salts, and collagen fibers - makes up what?
Options:
A. bone
B. ligaments
C. spine
D. muscles | A |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.