prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Insulin is produced by what part of the body?
A. liver
B. pancreas
C. thyroid
D. kidneys
Answer: | B | sciq |
What color is the brittle metalloid tallurium?
A. purplish blue
B. brownish black
C. yellowish green
D. silvery white
Answer: | D | sciq |
What compounds, which serve as fuels and are used in manufacturing, are called the driving force of western civilization?
A. fossils
B. hydrocarbons
C. forests
D. gas
Answer: | B | sciq |
What is the main type of organism that gets its energy directly from the sun?
A. animals
B. carnivores
C. consumers
D. plants
Answer: | D | sciq |
What are the two factors that affect the pressure of fluids?
A. momentum and density
B. depth and density
C. viscosity and gravity
D. depth and decrease
Answer: | B | sciq |
What consists of four major components: inorganic mineral matter, organic matter, water and air, and living matter?
A. soil
B. color
C. rocks
D. nitrogen
Answer: | A | sciq |
What is the term for the movement of substances due to random thermal molecular motion?
A. convection
B. diffusion
C. Transfusion
D. condensation
Answer: | B | sciq |
Most metals exist in which form at room temperature?
A. oils
B. liquids
C. gases
D. solids
Answer: | D | sciq |
A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into these?
A. infectious cells
B. specialized cells
C. germ cells
D. clones
Answer: | B | sciq |
What monthy cycle causes changes in the ovaries and uterus?
A. water cycle
B. sleep-wake cycle
C. the menstrual cycle
D. tides
Answer: | C | sciq |
Chytridiomycota are considered the most primitive of what kingdom?
A. protists
B. plants
C. fungi
D. animals
Answer: | C | sciq |
What is a soft, gray, nontoxic alkaline earth metal?
A. calcium
B. pewter
C. potassium
D. magnesium
Answer: | A | sciq |
In many polychaetes, the parapodia are richly supplied with blood vessels and also function as what?
A. tails
B. scales
C. gills
D. pores
Answer: | C | sciq |
What is formed when plant bodies are lithified?
A. methane
B. coal
C. fossils
D. copper
Answer: | B | sciq |
What is the term for the direct manipulation of genes for practical purposes?
A. genetic testing
B. manual engineering
C. genetic engineering
D. genetic cloning
Answer: | C | sciq |
When both momentum and kinetic energy are conserved in a closed system, the collision is called what?
A. an accidental collision
B. a spontaneous collision
C. a static collision
D. an elastic collision
Answer: | D | sciq |
What are the two groups of therian mammals?
A. monotremes and mollusks
B. placental mammals and marsupials
C. felines and canines
D. dolphins and whales
Answer: | B | sciq |
What is the name of the spacecraft that has performed the closest flyby of uranus?
A. Zodiac 4
B. voyager 2
C. centaur 2
D. Mercury 7
Answer: | B | sciq |
What is the group of all the eukaryotes that are not fungi, animals, or plants called?
A. lizards
B. filamentous
C. protists
D. arthropods
Answer: | C | sciq |
What have a symbiotic relationship between a fungus and a photosynthetic organism?
A. amphibians
B. sponges
C. crustaceans
D. lichens
Answer: | D | sciq |
Define motion.
A. change of position
B. gravitational pull
C. speed of objects
D. distance traveled
Answer: | A | sciq |
Most tissues regulated by the autonomic nervous system receive both sympathetic and parasympathetic input from?
A. peristaltic neurons
B. parasympathetic neurons
C. Chemosensory center
D. postganglionic neurons
Answer: | D | sciq |
What is responsible for the development of antibiotic-resistant strains of bacteria?
A. negative mutations
B. flu shots
C. mosquitoes
D. bacterial mutations
Answer: | D | sciq |
Many cancers, as well as autism, are thought to have what component, which is certainly a factor in asthma?
A. critical
B. environmental
C. emotional
D. ecological
Answer: | B | sciq |
The first plants probably evolved from what?
A. dry green algae
B. mould
C. moss
D. aquatic green algae
Answer: | D | sciq |
What is the unit of liquid measurement in the metric system?
A. pint
B. cylinder
C. gallon
D. liter
Answer: | D | sciq |
Wavelength and frequency are defined in the same way for electromagnetic waves as they are for which other waves?
A. sonar
B. mechanical
C. gravitational
D. light
Answer: | B | sciq |
What covers the body of a fish to help the move their body to swim?
A. hairs
B. gelatin
C. skin
D. scales
Answer: | D | sciq |
What type of bond forms by unpaired electrons from two atoms "matching up"?
A. reactive bond
B. accretion bond
C. covalent bond
D. magnetic bond
Answer: | C | sciq |
When gas pressure-forces are used to move an object the work is done on the object by?
A. expanding gas
B. contracting gas
C. kinetic energy
D. gravitational pull
Answer: | A | sciq |
A lymphocyte is the type of which cell involved in an immune system response?
A. red blood cell
B. white brain cell
C. white immunity cell
D. white blood cell
Answer: | D | sciq |
Most fossils form when a dead organism is buried in what?
A. soil
B. ash
C. sand
D. sediment
Answer: | D | sciq |
What do you call an object that attracts certain materials such as iron?
A. antenna
B. neutron
C. magnet
D. electron
Answer: | C | sciq |
Coral and the algae living inside of them have what type of relationship, since the algae relies on the coral to stay close to the water's surface?
A. competitive
B. peculiar
C. symbiotic
D. parasitic
Answer: | C | sciq |
Because opposite charges attract, oppositely charged ions attract each other to form what?
A. ionic bonds
B. nuclear bonds
C. soluble bonds
D. particle bonds
Answer: | A | sciq |
A major source of primary pollutants is the burning of oil and coal, which are types of what?
A. erosion fuels
B. greenhouse gases
C. fossil fuels
D. renewable fuels
Answer: | C | sciq |
What causes natural ripening in fruit?
A. sulfur
B. acid
C. ethylene
D. chloride
Answer: | C | sciq |
In species with sexual reproduction, each cell of the body has two copies of each what?
A. dna strand
B. rna strand
C. cell
D. chromosome
Answer: | D | sciq |
On what part of bones would you expect to find cartilage?
A. exterior
B. interior
C. end
D. marrow
Answer: | C | sciq |
Who invented the taxonomic classification system?
A. carl linnaeus
B. Pascal
C. gregor mendel
D. Isaac Newton
Answer: | A | sciq |
What type of pathogen is responsible for african sleeping sickness?
A. salmonella
B. Trichinella spiralis
C. trypanosoma
D. streptococcus
Answer: | C | sciq |
How many underlying principles does the science of biology have?
A. five
B. three
C. four
D. eleven
Answer: | C | sciq |
What are biochemical compounds, such as fats and oils, that consist of fatty acids and store energy?
A. oils
B. lipids
C. proteins
D. tissues
Answer: | B | sciq |
The temperature at which all molecular motion has ceased is called what?
A. absolute zero
B. stopping point
C. 0 degrees celcius
D. 0 degrees kelvin
Answer: | A | sciq |
What term means controlling body temperature within a narrow range from the inside through biochemical or physical means?
A. regulation
B. evaporation
C. endothermy
D. exothermy
Answer: | C | sciq |
The most important characteristic of extant amphibians is a moist, permeable skin used for this?
A. avian respiration
B. simple respiration
C. benign respiration
D. cutaneous respiration
Answer: | D | sciq |
Fertilized mollusk eggs develop into what?
A. larvae
B. leaf
C. bark
D. shrimp
Answer: | A | sciq |
Proper kidney function is essential for homeostasis of what level, which in turn helps ensure the functioning of enzymes?
A. ph
B. calcium
C. ions
D. oxygen
Answer: | A | sciq |
Proteins include 20 common types of what compounds?
A. mitochondria
B. rna acids
C. dna
D. amino acids
Answer: | D | sciq |
Isotopes have different number of these in their nuclei?
A. electrons
B. atoms
C. neutrons
D. protons
Answer: | C | sciq |
What can destroy living cells, produce mutations and cause cancer?
A. prismatic rays
B. gamma rays
C. plasma rays
D. stingrays
Answer: | B | sciq |
What type of feeders are sponges?
A. layer feeders
B. surface feeders
C. bottom feeders
D. filter feeders
Answer: | D | sciq |
The first consumption of breast milk or formula floods the baby's gastrointestinal tract with what?
A. enzymes
B. nerves
C. hemoglobin
D. beneficial bacteria
Answer: | D | sciq |
Weight refers to what force acting on a mass?
A. electronic
B. magnetic
C. solar
D. gravitational
Answer: | D | sciq |
Being exposed to sunlight will produce what vitamin in the skin?
A. B-complex
B. vitamin A
C. Vitamin E
D. vitamin d
Answer: | D | sciq |
Modern plants reflect what kind of changes that have occurred over many, many years?
A. tendency changes
B. evolutionary changes
C. tissue changes
D. unknown changes
Answer: | B | sciq |
What device measures current that flows through wire?
A. Geiger counter
B. resistor attachment
C. protractor
D. ammeter
Answer: | D | sciq |
In science, what is defined as a change in position?
A. speed
B. gravity
C. motion
D. direction
Answer: | C | sciq |
What makes up the core of the endoskeleton?
A. notochord
B. vertebral column
C. dermis
D. thorax
Answer: | B | sciq |
The bottom of the ocean is called what?
A. Final zone
B. Intertidal zone
C. the benthic zone
D. Demersal zone
Answer: | C | sciq |
Made of hot, solid rock, the mantle is beneath what layer of the earth?
A. liquid
B. core
C. crust
D. volcanic
Answer: | C | sciq |
What happens to the volume of the gas when temperature increases but amount of gas and its pressure are constant?
A. volume increases
B. volume decreases
C. nothing
D. volume remains constant
Answer: | A | sciq |
Meiosis, like mitosis, is preceded by the duplication of what?
A. chloroforms
B. chromosomes
C. neutrons
D. ribosomes
Answer: | B | sciq |
The invention of what instrument in the 1930s allowed scientists to see viruses for the first time?
A. electron microscope
B. telescopes
C. magnifying glass
D. spy glass
Answer: | A | sciq |
What is the name of the chart that allows you to easily determine the expected percentage of different genotypes in the offspring of two parents?
A. Trafalgar Square
B. punnett square
C. DNA helix
D. periodic square
Answer: | B | sciq |
What is the functional unit of compact bone?
A. collagen
B. osteon
C. scleroprotein
D. spongin
Answer: | B | sciq |
Because the nuclei of each h atom contain protons, the electrons in the bond are attracted to the nuclei (opposite charges attract). but because the two atoms involved in the covalent bond are both h atoms, each nucleus attracts the electrons by the same amount. thus the electron pair is equally shared by these?
A. two atoms
B. nine atoms
C. four atoms
D. one atom
Answer: | A | sciq |
What is the term for when the phenotype of offspring is partly determined by the phenotype of its mother, irrespective of genotype?
A. oceanic effect
B. uterine effect
C. maternal effect
D. congenital effect
Answer: | C | sciq |
Natural methods of asexual reproduction, such as cuttings or budding, include strategies that plants have developed to perform what?
A. self-propagation
B. mono-propagation
C. multi-propagation
D. iso-propagation
Answer: | A | sciq |
Many metals react with acids to produce what gas?
A. neon
B. mercury
C. helium
D. hydrogen
Answer: | D | sciq |
What is the process of a cell membrane surrounding a particle and engulfing it calles?
A. active transport
B. ingestion
C. phagocytosis
D. mitosis
Answer: | C | sciq |
What type of rocks are very useful for determining the deformation history of an area?
A. igneous
B. sedimentary
C. limestone
D. crystalline
Answer: | B | sciq |
What is the term for dating a rock based on composition decay?
A. safe dating
B. carbon dating
C. fuel dating
D. radioactive dating
Answer: | D | sciq |
What is the term for a very rapid motor response that is not directed by the brain?
A. reflex
B. adaptation
C. sensor
D. instinct
Answer: | A | sciq |
Crossover occurs between non-sister chromatids of which chromosomes?
A. compound chromosomes
B. homologous
C. identical chromosomes
D. analogous
Answer: | B | sciq |
Water is an oxide of what element?
A. helium
B. carbon
C. nitrogen
D. hydrogen
Answer: | D | sciq |
What term is used to describe the parts of the brain involved in the reception and interpretation of sensory stimuli collectively?
A. glial cells
B. neurons
C. medulla oblongata
D. sensorium
Answer: | D | sciq |
Experiments show that each o2 molecule has two unpaired what?
A. electrons
B. quarks
C. neutrons
D. protons
Answer: | A | sciq |
Acidity is measured by what physical property?
A. amp
B. kω
C. ph
D. ps
Answer: | C | sciq |
Antacids are bases that neutralize what in the digestive tract?
A. salts
B. acids
C. fats
D. hormones
Answer: | B | sciq |
What is the climate of a small area called?
A. ecosystem
B. microclimate
C. microevolution
D. biome
Answer: | B | sciq |
The rate of what process depends on how many of an organism’s genes have changed over a period of time and on the generation time of a particular species?
A. respiration
B. evolution
C. digestion
D. photosynthesis
Answer: | B | sciq |
The sticky stigma at the tip of the carpel receives what?
A. pollen
B. salt
C. nitrogen
D. bacteria
Answer: | A | sciq |
Are the joints between the vertebrae contained in your backbone fully movable, partially movable, or unmovable?
A. unmovable
B. partially movable
C. none of these
D. fully movable
Answer: | B | sciq |
Which branch of biology uses fossils to study life's history?
A. morphology
B. paleontology
C. zoology
D. geology
Answer: | B | sciq |
What do you call prokaryotes that do not need oxygen for respiration?
A. aerobic
B. chloroflexus
C. enzymatic
D. anaerobic
Answer: | D | sciq |
When a glacier no longer moves, what is it called?
A. an ice sheet
B. an ice cylinder
C. a glacial lake
D. an iceberg
Answer: | A | sciq |
What did roots evolve from that plants used for aborption?
A. rhizoids
B. oomycetes
C. seeds
D. leguminous
Answer: | A | sciq |
Although lots of symbiotic relationships help both organisms, sometimes one of the organisms is harmed. when that happens, the organism that benefits, and is not harmed, is called a what?
A. infection
B. child
C. parasite
D. viruses
Answer: | C | sciq |
What are named for major physical or climatic features and for their predominant vegetation?
A. terrestrial biomes
B. geological formations
C. terrestrial substrates
D. celestial bodies
Answer: | A | sciq |
Similarity of crystal structures is used to categorize what non-living materials?
A. corals
B. minerals
C. salts
D. grains
Answer: | B | sciq |
Diabetes is a non-infectious disease in which the body is unable to control the amount of what in the blood?
A. sugar
B. protein
C. water
D. plasma
Answer: | A | sciq |
All living organisms are classified into one of six broad categories called what?
A. nobles
B. kingdoms
C. tribes
D. cities
Answer: | B | sciq |
What is the most common type of cancer in adult males?
A. stomach cancer
B. prostate cancer
C. lung cancer
D. liver cancer
Answer: | B | sciq |
What occurs when an unstable nucleus emits an alpha particle and energy?
A. alpha radition
B. nucleus decay
C. radar decay
D. alpha decay
Answer: | D | sciq |
What molecule can be used by the body to synthesize cholesterol ?
A. acetyl coa
B. ethylene coa
C. chloride coa
D. hydroxide coa
Answer: | A | sciq |
Full siblings share how many genes with each other?
A. 100%
B. 75%
C. half
D. 25%
Answer: | C | sciq |
Which highly valuable substance found in jewelry has a density of about 19 g/cm^3?
A. diamonds
B. rubies
C. gold
D. silver
Answer: | C | sciq |
Sperm propel themselves through secretions in the uterus and enter what tube?
A. uterine
B. gaseous
C. ovarian
D. fallopian
Answer: | D | sciq |
What type of minerals are often found where seas once covered the land?
A. magnesium
B. carbonate
C. crystals
D. sea salt
Answer: | B | sciq |
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