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stringlengths 78
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|---|---|---|
null | Question: What do fungi use to penetrate deep into decaying matter?
Options:
A. hyphae
B. cytoplasm
C. cilia
D. flagella
Answer: | A |
null | Question: What kind of joints does the skull have that do not allow any movement?
Options:
A. fixed plates
B. fixed particles
C. fixed joints
D. fixed cells
Answer: | C |
null | Question: What does antifreeze do to the freezing temperature of the water in car radiators?
Options:
A. keeps it constant
B. foresees it
C. lowers it
D. raises it
Answer: | C |
null | Question: Pavement cells, large, irregularly shaped parenchymal cells which lack chloroplasts, make up the majority of what?
Options:
A. epidermis
B. dermis
C. Skin
D. layers
Answer: | A |
null | Question: How many openings do adult tunicates have that siphon water in and out of the body?
Options:
A. one
B. three
C. two
D. four
Answer: | C |
null | Question: Free ear lobes, widow's peak and a dimpled chin are examples of what kind of traits in humans?
Options:
A. spontaneous mutations
B. adaptations
C. genetic disorders
D. mendelian
Answer: | D |
null | Question: What are hot fragments of rock called?
Options:
A. obsidian
B. magma
C. shards
D. pyroclasts
Answer: | D |
null | Question: What does continental crust grade into at continental margins?
Options:
A. remnants crust
B. ocean floor
C. storm crust
D. oceanic crust
Answer: | D |
null | Question: What is the term for a gas that completely abides by the kinetic-molecular theory?
Options:
A. ideal gas
B. fast gas
C. cold gas
D. heat gas
Answer: | A |
null | Question: When flagellated sperm must swim to the egg, sexual reproduction requires the presence of what substance?
Options:
A. sunshine
B. water
C. nitrogen
D. air
Answer: | B |
null | Question: Which measure indicates the number of electrons in a given sublevel?
Options:
A. mole
B. subscripts
C. superscripts
D. coefficients
Answer: | C |
null | Question: What is used to measure electric current?
Options:
A. galvanometer
B. anemometer
C. chronometer
D. atomizer
Answer: | A |
null | Question: The release of calcium ions initiates what?
Options:
A. exhalation
B. muscle contractions
C. spasms
D. cramps
Answer: | B |
null | Question: What class of animals have four limbs and produce amniotic eggs?
Options:
A. reptiles
B. insects
C. amphibians
D. mammals
Answer: | D |
null | Question: What type of behaviors are triggered by pheromones in moths?
Options:
A. illuminating
B. exhibit
C. courtship
D. peculiar
Answer: | C |
null | Question: Which crust lies deep inside the ocean?
Options:
A. shallowest
B. oldest
C. thickest
D. youngest
Answer: | B |
null | Question: How many valence electrons do neutral phosphorus atoms have?
Options:
A. nine
B. four
C. three
D. five
Answer: | D |
null | Question: How can you prevent food allergy symptoms?
Options:
A. antioxidants
B. stem cell therapy
C. avoid offending foods
D. antiviral drugs
Answer: | C |
null | Question: What forms when nitrogen and oxygen combine at high temperatures?
Options:
A. nitric acid
B. nitrogen oxides
C. calcium oxides
D. hydrocarbons
Answer: | B |
null | Question: A double form of what reproductive process is unique to angiosperms?
Options:
A. destruction
B. infection
C. stimulation
D. fertilization
Answer: | D |
null | Question: Terrestrial and aquatic are the two basic categories of what, on earth?
Options:
A. atmospheres
B. dendrites
C. substrates
D. biomes
Answer: | D |
null | Question: Living organisms release carbon dioxide into the atmosphere by what method?
Options:
A. widespread respiration
B. genomic respiration
C. major respiration
D. cellular respiration
Answer: | D |
null | Question: What do you call the first cell of a new organism?
Options:
A. embryo
B. starter cell
C. zygote
D. egg
Answer: | C |
null | Question: Total internal reflections the princicple behind what type of optics?
Options:
A. Blindness
B. fiber optics
C. pipes optics
D. refined optics
Answer: | B |
null | Question: Concentric circles that spread out through the water around the droplets are actually types of what moving through the water?
Options:
A. lines
B. waves
C. troughs
D. winds
Answer: | B |
null | Question: The posterior half of the foot is formed by seven tarsal bones. the most superior of these bones is called?
Options:
A. talus
B. calcareous
C. patella
D. metatarsal
Answer: | A |
null | Question: The process in which certain bacteria change nitrogen gas to a form that plants can absorb through their roots is known as what?
Options:
A. nitrogen fixation
B. dioxide fixation
C. pollen fixation
D. oxygen fixation
Answer: | A |
null | Question: Fossil records show that what process may occur in "fits and starts"?
Options:
A. isolation
B. evolution
C. variation
D. generation
Answer: | B |
null | Question: Most thoracic vertebrae have two facets that articulate with the head of what structure?
Options:
A. pelvic
B. calf
C. heart
D. rib
Answer: | D |
null | Question: What is the most common life form in the ocean?
Options:
A. plankton
B. algae
C. coral
D. kelp
Answer: | A |
null | Question: What is the type of plant that has a single cotelydon in the seedling?
Options:
A. moss
B. conifer
C. dicot
D. monocot
Answer: | D |
null | Question: Besides ingesting and photosynthesis how can protists get their food?
Options:
A. osmosis
B. accumulation
C. digestion
D. absorption
Answer: | D |
null | Question: The community of all of the living and nonliving parts of an environment is known as what?
Options:
A. habitat
B. ecosystem
C. biodiversity
D. population
Answer: | B |
null | Question: Sediments in oligotrophic lakes contain large amounts of what?
Options:
A. algae
B. igneous rocks
C. fertilizer
D. decomposable organic matter
Answer: | D |
null | Question: The heme parts of a hemoglobin molecule bind with what element?
Options:
A. carbon
B. oxygen
C. hydrogen
D. nitrogen
Answer: | B |
null | Question: The first reaction of the body to tissue damage or infection is called the what response?
Options:
A. harmful
B. inflammatory
C. retaliatory
D. defensive
Answer: | B |
null | Question: Why does neptune's appearance change?
Options:
A. the seasons
B. the speed of rotation
C. turbulent atmosphere
D. the changing orbit
Answer: | C |
null | Question: What are microscopic vessels with very thin, porous walls?
Options:
A. valves
B. capillaries
C. veins
D. arteries
Answer: | B |
null | Question: According to the octet rule, magnesium is unstable because its valence shell has just two of what?
Options:
A. quarks
B. protons
C. electrons
D. neutrons
Answer: | C |
null | Question: The skull is a part of a vertebrate endoskeleton that encloses and protects what organ?
Options:
A. nervous system
B. lung
C. heart
D. brain
Answer: | D |
null | Question: Why do some dry fruits split open at maturity?
Options:
A. to regenerate
B. to release seeds
C. to release toxins
D. to release berries
Answer: | B |
null | Question: In a glass of sweet tea the sugar is known as the solute and the water is known as what?
Options:
A. calcium
B. solid
C. solvent
D. pigment
Answer: | C |
null | Question: What is the transfer of energy by waves called?
Options:
A. convection
B. vibration
C. radiation
D. evaporation
Answer: | C |
null | Question: Warming conditions and, perhaps, human activities contributed to what fate of many organisms of the pleistocene era?
Options:
A. accumulation
B. evolution
C. overpopulation
D. extinction
Answer: | D |
null | Question: What system is involved in diseases that include type 1 diabetes, rheumatoid arthritis and multiple sclerosis?
Options:
A. digestion system
B. nervous system
C. immune system
D. circulatory system
Answer: | C |
null | Question: What is another name for critical speed?
Options:
A. gravity
B. terminal speed
C. impossible velocity
D. normal speed
Answer: | B |
null | Question: Some materials have negative heats of solution; the dissolution of one of these solutes in water is called?
Options:
A. ionized process
B. acetylene process
C. exothermic process
D. endothermic process
Answer: | C |
null | Question: What are alveoli?
Options:
A. sacs in the diaphragm
B. tiny air sacs in the lungs
C. cilia in the throat
D. tiny air natalensis in the lungs
Answer: | B |
null | Question: On top of the otolithic membrane is a layer of calcium carbonate crystals, called what?
Options:
A. gonads
B. cones
C. calcites
D. otoliths
Answer: | D |
null | Question: A notochord has in common with what vertbrate structure?
Options:
A. rib cage
B. trichord
C. rip chord
D. spinal cord
Answer: | D |
null | Question: What is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond?
Options:
A. chloride
B. sulfate
C. fructose
D. sucrose
Answer: | D |
null | Question: What were the first animals to have true lungs and limbs for life on land?
Options:
A. amphibians
B. birds
C. reptiles
D. mammals
Answer: | A |
null | Question: What is the force of attraction that holds together positive and negative ions?
Options:
A. ionic bond
B. integral bond
C. electron bond
D. magnetic bond
Answer: | A |
null | Question: What does fluoride in toothpaste help prevent?
Options:
A. plaque build up
B. cavities
C. tooth decay
D. gum disease
Answer: | C |
null | Question: The noble gases are unreactive because of their?
Options:
A. electron configurations
B. proton configurations
C. cell configurations
D. carbon content
Answer: | A |
null | Question: What do living things need to survive?
Options:
A. heat
B. oxygen
C. nutrients
D. molecules
Answer: | C |
null | Question: Fossil records support the idea that periods of little change may be interrupted by bursts of rapid change, an evolutionary model contrasted by what?
Options:
A. minimalism
B. darwinian
C. elitism
D. gradualism
Answer: | D |
null | Question: What is to blame for water’s boiling point (100°c) being higher than the boiling points of similar substances?
Options:
A. helium bonds
B. hydrogen bonds
C. electrode bonds
D. molecular shape
Answer: | B |
null | Question: What type of lipids contain the element phosphorus, carbon, hydrogen and oxygen?
Options:
A. phospholipids
B. filaments
C. eukaryotes
D. alleles
Answer: | A |
null | Question: The digestive organs within the abdominal cavity are held in place by the peritoneum, a broad serous membranous sac made up of squamous epithelial tissue surrounded by this?
Options:
A. bone
B. connective tissue
C. mucus
D. skin
Answer: | B |
null | Question: Electromagnetic radiation behaves like particles as well as what?
Options:
A. waves
B. fluids
C. points
D. currents
Answer: | A |
null | Question: What are the two types of vascular tissues?
Options:
A. ectoderm and phloem
B. epidermis and phloem
C. ganglia and phloem
D. xylem and phloem
Answer: | D |
null | Question: What is the energy of moving matter?
Options:
A. potential energy
B. residual energy
C. binary energy
D. kinetic energy
Answer: | D |
null | Question: This sharing of electrons produces what is known as a covalent bond. covalent bonds are ~20 to 50 times stronger than what?
Options:
A. Newton's third law
B. Mendelian systems
C. van der waals interactions
D. gravitational pull
Answer: | C |
null | Question: What branch of science explains much of what you observe and do in your daily life?
Options:
A. temperature science
B. psychology
C. physical science
D. astronomy
Answer: | C |
null | Question: What happens when waves reach the shore?
Options:
A. repel and attract
B. surge and drown
C. topple and break
D. diffuse and recede
Answer: | C |
null | Question: Animals can transport what waste material in the circulatory system and store it safely at high concentrations?
Options:
A. phosphorus
B. proteins
C. urea
D. carbon
Answer: | C |
null | Question: The process of the cytoplasm splitting apart and the cell pinching in two is known as what?
Options:
A. electrolysis
B. mitosis
C. budding
D. cytokinesis
Answer: | D |
null | Question: What substances digest the food in the vacuole of an ingestive protist?
Options:
A. lipids
B. carbohydrates
C. enzymes
D. hormones
Answer: | C |
null | Question: During what phase of breathing does the pressure inside the lungs drops to below atmospheric pressure?
Options:
A. exhalation
B. inhalation
C. ingestion
D. conduction
Answer: | B |
null | Question: What are the two types of cells?
Options:
A. mammal and plant
B. animal and bacteria
C. bacteria and eukaryotes
D. prokaryotes and eukaryotes
Answer: | D |
null | Question: What kinds of neutron stars emit radiation in pulses?
Options:
A. red giants
B. dwarf stars
C. pulsars
D. quasars
Answer: | C |
null | Question: What is the jelly-like material in which the contents of the cell are suspended?
Options:
A. mitochondrial
B. cortisol
C. jam
D. cytosol
Answer: | D |
null | Question: Compared with the molecules of many other substances, molecules of water are strongly attracted to what?
Options:
A. each other
B. helium
C. hydrogen
D. nothing
Answer: | A |
null | Question: Algae produce food using what process?
Options:
A. cellular respiration
B. photosynthesis
C. spermatogenesis
D. glycolysis
Answer: | B |
null | Question: What occurs at joints?
Options:
A. respiration
B. nothing
C. body movements
D. digestion
Answer: | C |
null | Question: Where do amphibians lay their eggs?
Options:
A. in caves
B. on land
C. in airborne nests
D. in water
Answer: | D |
null | Question: What type of butterfly do birds avoid eating since it makes them sick?
Options:
A. monarch butterflies
B. noctuidae
C. sphingidae
D. pyralidae
Answer: | A |
null | Question: Ethylene, gibberellins, cytokinins, absciscic acid, and auxins are examples of what?
Options:
A. animal hormones
B. plant hormones
C. insect hormones
D. animal proteins
Answer: | B |
null | Question: Diseases of this system include epilepsy, strokes, and alzheimer’s disease
Options:
A. circulatory system
B. infectious system
C. endocrine system
D. nervous system
Answer: | D |
null | Question: Biological features from a common evolutionary origin are known as what?
Options:
A. monologous
B. homologous
C. analogous
D. heterologous
Answer: | B |
null | Question: Misfolding of polypeptides is a serious problem in what?
Options:
A. blood
B. muscles
C. lipids
D. cells
Answer: | D |
null | Question: Juvenile hormone modulates the activity of what?
Options:
A. ecdysteroid
B. reproduction
C. growth
D. estrogen
Answer: | A |
null | Question: What causes food to move through the esophagus?
Options:
A. apoptosis
B. proteolysis
C. photosynthesis
D. peristalsis
Answer: | D |
null | Question: Some viruses carry a few viral enzyme molecules within their what?
Options:
A. plastids
B. hormones
C. DNA
D. capsids
Answer: | D |
null | Question: When animals use incubation, how do they generally give birth to their young?
Options:
A. eggs
B. division
C. live
D. copying
Answer: | A |
null | Question: What type of rocks form when an existing rock is changed by heat or pressure?
Options:
A. sediments
B. metamorphic
C. Molten
D. igneous
Answer: | B |
null | Question: What is the process by which plants capture the energy of sunlight and use carbon dioxide from the air (and water) to make their own food called?
Options:
A. atherosclerosis
B. spermatogenesis
C. photosynthesis
D. photochemistry
Answer: | C |
null | Question: Evolving from a single common ancestor, what group of organisms was perhaps the dominant life form on earth 250 million years ago?
Options:
A. proteins
B. acids
C. atoms
D. fungi
Answer: | D |
null | Question: What's it called when gases turn back into liquids?
Options:
A. evaporation
B. diffusion
C. dehydration
D. condensation
Answer: | D |
null | Question: Prokaryotes are unicellular organisms that lack organelles surrounded by what?
Options:
A. tissues
B. cells
C. membranes
D. particles
Answer: | C |
null | Question: How is carbon dioxide and water vapor that is produced by cellular respiration released?
Options:
A. evaporation
B. exhalation
C. peroxidation
D. fermentation
Answer: | B |
null | Question: What is the term for the process in which two atomic nuclei fuse together to make a single nucleus?
Options:
A. absorption
B. fusion
C. fission
D. binding
Answer: | B |
null | Question: What are the two classifications of factors in the environment that affect organisms?
Options:
A. Antibiotick and abiotic
B. rotational and abiotic
C. biotic and abiotic
D. shear and abiotic
Answer: | C |
null | Question: The enteric nervous system provides intrinsic innervation, and the autonomic nervous system provides this?
Options:
A. arise innervation
B. autonomic innervation
C. extrinsic innervation
D. complex innervation
Answer: | C |
null | Question: What is added to alcohol and used as an antiseptic?
Options:
A. chlorine
B. arsenic
C. iodine
D. chloride
Answer: | C |
null | Question: The addition of electron gives the halide ions the same electron configuration as what gas?
Options:
A. a fatty gas
B. a noble gas
C. an inert gas
D. a flammable gas
Answer: | B |
null | Question: In which state of matter do particles take the shape of their container, but cannot expand to fill it?
Options:
A. gas
B. chemical
C. liquid
D. mixture
Answer: | C |
null | Question: What prevents solutes that have accumulated in the xylem from leaking back into the soil solution?
Options:
A. the exodermis
B. the exoskeleton
C. the altostratus
D. the endodermis
Answer: | D |
null | Question: How often does condensation occur in your cells?
Options:
A. weekly
B. daily
C. never
D. constantly
Answer: | D |
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