question stringlengths 68 502 | answer stringclasses 4
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Question: Potassium, calcium, and magnesium are considered what kind of nutrients?
Options:
A. major nutrients
B. minor nutrients
C. micronutrients
D. macronutrients | D |
Question: What normally prevent a positively charged particle from colliding and reacting with a positively charged nucleus, but may be overcome by kinetic energy?.
Options:
A. toxic repulsion
B. evaporation repulsions
C. electrostatic repulsions
D. kinetic repulsions | C |
Question: Sometimes two or more distinct phenotypes can each have their advantages and be selected for by natural selection; this is known as what?
Options:
A. multiplying selection
B. extra selection
C. shedding selection
D. diversifying selection | D |
Question: Management programs based on population-regulating factors have helped prevent the extinction of many?
Options:
A. endangered species
B. abundant species
C. omnivores
D. keystone species | A |
Question: What basic plant structure is the site of photosynthesis?
Options:
A. leaves
B. spores
C. nucleus
D. roots | A |
Question: What provides the identities of the reactants and products involved in the chemical change?
Options:
A. genome sequence
B. chemical formulas
C. electron shells
D. atomic numbers | B |
Question: What process creates sperm?
Options:
A. genesis
B. spermatogensis
C. altostratus
D. hypothalamus | B |
Question: Both fluorine and lithium are highly reactive elements because of their number of what?
Options:
A. covalence electrons
B. positrons
C. valence electrons
D. shell electrons | C |
Question: Earth acts like a giant version of what device, with angular momentum along its axis and pointing at polaris, the north star?
Options:
A. accelerator
B. telescope
C. gyroscope
D. compass | C |
Question: Ovulation takes place in what organ and is part of the menstrual cycle?
Options:
A. ovary
B. testes
C. uterus
D. fallopian tube | A |
Question: Instead of a nervous system, plant responses are generally controlled by what type of molecules, which serves as chemical messengers?
Options:
A. enzymes
B. receptors
C. sugars
D. hormones | D |
Question: Asexual reproduction occurs by what process?
Options:
A. ripening
B. mating
C. budding
D. balancing | C |
Question: What do all respiratory diseases affect?
Options:
A. transit exchange process
B. gas exchange process
C. helium exchange process
D. liquid exchange process | B |
Question: What is one trait that the sponge and tarantula share?
Options:
A. lack of a backbone
B. lack of a emerge
C. lack of a cycle
D. lack of ogranic | A |
Question: What bonds form when pairs of electrons are shared?
Options:
A. ionized bonds
B. neutron bonds
C. covalent bonds
D. dissonance bonds | C |
Question: Hydrocarbons in which all carbons are connected by single bonds are called?
Options:
A. lipids
B. acids
C. alkanes
D. enzymes | C |
Question: What occurs when two wave crests overlap?
Options:
A. forth interference
B. constructive overlap
C. constructive dissonance
D. constructive interference | D |
Question: The length of a rectangular surface multiplied by its width is equal to what?
Options:
A. volume
B. height
C. circumference
D. area | D |
Question: What is the testing for disease in a fetus or embryo?
Options:
A. placental screening
B. dynamic screening
C. complete screening
D. prenatal screening | D |
Question: The two adrenal glands are glands located just above the what?
Options:
A. intestines
B. lungs
C. kidneys
D. esophagus | C |
Question: What is the term for the number of waves that pass a fixed point in a given amount of time?
Options:
A. wave frequency
B. wave distance
C. wave speed
D. wave velocity | A |
Question: The migration of what familiar coastal landform involves saltation and gravity?
Options:
A. sand dunes
B. rivers
C. volcanos
D. lakes | A |
Question: The procedure known as angioplasty is used when what part of the circulatory system is clogged?
Options:
A. blood vessel
B. the spinal cord
C. the heart
D. lungs | A |
Question: What type of maps detail detail the types and locations of rocks found in an area?
Options:
A. contour maps
B. geologic maps
C. gnomic maps
D. polar maps | B |
Question: What is another term for the voice box?
Options:
A. optical nerve
B. pharynx
C. larynx
D. pancreas | C |
Question: The proximity of the axillary buds to the apical bud is partly responsible for their what?
Options:
A. germination
B. dormancy
C. development
D. growth | B |
Question: How do the vast majority of fish reproduce?
Options:
A. asexually
B. sexually
C. by budding
D. cloning | B |
Question: What is the quantity of force multiplied by the time it is applied called?
Options:
A. density
B. gravity
C. velocity
D. impulse | D |
Question: Diphenylamine acts as a stabilizer for certain types of what?
Options:
A. enzymes
B. explosives
C. toxins
D. proteins | B |
Question: Behind the pupil, a single lens focuses light on a layer of what?
Options:
A. chloroplasts
B. photons
C. photoreceptors
D. electrons | C |
Question: Why is the root cap continuously replaced in plants?
Options:
A. damage through pushing
B. due to rubbing
C. due to pressure
D. due to growth | A |
Question: Aquatic biomes are determined mainly by distance from shore and what other factor?
Options:
A. species populations
B. salinity
C. water temperature
D. depth of water | D |
Question: Who is said to have dropped two objects of different masses from the tower of pisa?
Options:
A. darwin
B. galileo
C. newton
D. copernicus | B |
Question: What determines the length and thickness of dna chromosomes?
Options:
A. degree of rna coiling
B. number of chromosomes
C. degree of dna coiling
D. type of dna | C |
Question: What type of gas is used to fill glass tubes of lighted signs?
Options:
A. noble
B. inert
C. synthetic
D. natural | A |
Question: What does fog consist of?
Options:
A. carbon monoxide
B. steam
C. droplets of water
D. helium | C |
Question: Spiders use the hydrostatic pressure generated by an open type of what anatomical system to extend their legs?
Options:
A. circulatory
B. pulmonary
C. vascular
D. respiratory | A |
Question: The normal respiratory rate per minute in adult humans is?
Options:
A. 0-6 breaths
B. 12-18 breaths
C. 6-12 breaths
D. 18-24 breaths | B |
Question: Where is glycogen created and stored in the body?
Options:
A. liver and muscles
B. Sore muscle
C. extracts and muscles
D. Healing Muscles | A |
Question: When we neutralize a weak base with a strong acid, the product is ________ containing the conjugate acid of the weak base.
Options:
A. salt
B. water
C. an ion
D. an electron | A |
Question: What is the main component of milk?
Options:
A. fat
B. proteins
C. water
D. lactose | C |
Question: Stomata are the main avenues of transpiration, the evaporative loss of water from what?
Options:
A. fruits
B. stalks
C. roots
D. leaves | D |
Question: What is a form of matter that has a definite shape and volume?
Options:
A. solid
B. liquid
C. plasma
D. gas | A |
Question: What type of energy is stored in the nuclei of atoms?
Options:
A. nuclear energy
B. light energy
C. radioactive energy
D. heat energy | A |
Question: Providing evidence of their ancestry, some species of what legless animals retain vestigial pelvic and limb bones?
Options:
A. whales
B. dolphins
C. snakes
D. sharks | C |
Question: What happens when more glucose is present than the proteins can handle, in the body?
Options:
A. cultured as urine
B. forms urine
C. excreted as urine
D. metamorphosed as urine | C |
Question: What are most protist diseases in humans caused by?
Options:
A. ticks
B. lice
C. protozoa
D. eukaryots | C |
Question: Transporting blood is the main job of the heart and what?
Options:
A. blood vessels
B. bones
C. areolas
D. lymphatic system | A |
Question: What occurs when the amount of solute dissolved exceeds the solubility of the solute?
Options:
A. saturation
B. stimulation
C. salination
D. absorption | A |
Question: What are cyclins made up of?
Options:
A. steroids
B. enzymes
C. group of proteins
D. group of sugars | C |
Question: What do ferns use in place of seeds to reproduce?
Options:
A. glands
B. toxins
C. atoms
D. spores | D |
Question: Water affects the availability of what important element in aquatic environments and in flooded soils?
Options:
A. carbon
B. oxygen
C. nitrogen
D. carbon dioxide | B |
Question: Fuels according to the law of what, can never actually be “consumed”; it can only be changed from one form to another?
Options:
A. use of energy
B. difference of energy
C. expansion of energy
D. conservation of energy | D |
Question: The ability of matter to burn is called?
Options:
A. eccentricity
B. flammability
C. solubility
D. unpredictability | B |
Question: Uncontrolled cell growth can lead to tumors and what disease?
Options:
A. cirrhosis
B. cancer
C. kidney failure
D. vascular disease | B |
Question: Video and audio signals are broadcast on these?
Options:
A. mechanical waves
B. thermal waves
C. radiation waves
D. electromagnetic waves | D |
Question: In a tropical rainforest, where are ferns common?
Options:
A. forrest floor
B. canopy
C. understory
D. emergent | C |
Question: Which metalloids are found in the nitrogen group?
Options:
A. arsenic and antimony
B. sulfur and polonium
C. polonium and antimony
D. selenium and antimony | A |
Question: What kind of family is haumea part of?
Options:
A. a collisional family
B. a moclobemide family
C. orbital family
D. eoan family | A |
Question: The db gene encodes the which receptor?
Options:
A. estrogen
B. opioid
C. leptin
D. glucose | C |
Question: How many main types of diabetes are there?
Options:
A. one
B. six
C. two
D. three | C |
Question: What organ is similar to a lymph node but is much larger and filters blood instead of lymph?
Options:
A. liver
B. kidney
C. bone
D. spleen | D |
Question: What is the process of converting atmospheric nitrogen to ammonia called?
Options:
A. atmospheric fixation
B. nitrogen fixation
C. oral fixation
D. ammonia fixation | B |
Question: Phospholipids and some proteins move laterally within what?
Options:
A. membrane
B. nuclei
C. liquids
D. particles | A |
Question: What changes encoded waves which are being broadcast into sounds?
Options:
A. transmitters
B. radio receivers
C. amplifiers
D. band receivers | B |
Question: When the oval window vibrates, it causes what else to vibrate as well?
Options:
A. the cochlea
B. cilia
C. hammer and anvil
D. timpani | A |
Question: When changes in the genes of a species result in a new species, the process is called what?
Options:
A. biological evolution
B. Classic Evolution
C. similar evolution
D. simple evolution | A |
Question: What happens if a person doesn’t take in enough water to replace the water lost in sweat?
Options:
A. dehydration
B. fatigue
C. relaxation
D. diarrhea | A |
Question: How does the atomic number change during beta emission?
Options:
A. stays the same
B. decreases by one
C. increases by one
D. increases by two | C |
Question: What is the most widely distributed organism around?
Options:
A. viruses
B. microbes
C. cockroaches
D. phages | D |
Question: On a topographic map, what is the term for a line of equal elevation?
Options:
A. contour line
B. latitude line
C. aurora line
D. crater line | A |
Question: Where does the stratosphere get most of its heat?
Options:
A. sun
B. earth
C. time
D. volcanoes | A |
Question: What source of ocean pollution kills animals by coating them?
Options:
A. chemical spill
B. grain spill
C. oil spill
D. plants spill | C |
Question: What is the name of pluto's moon?
Options:
A. charon
B. Europa
C. Titania
D. Phobos | A |
Question: What type of bond generally forms between a metal and non-metal?
Options:
A. ionic
B. soluble
C. horizontal
D. unbreakable | A |
Question: What's the name for an atom that has gained or lost an electron?
Options:
A. an ion
B. neutrino
C. isotope
D. an photon | A |
Question: Light is scattered from what in our atmosphere?
Options:
A. particles
B. molecules
C. ions
D. matter | B |
Question: What refers to the union of a male and female of the same species for reproduction?
Options:
A. asexual reproduction
B. dating
C. behavior
D. mating | D |
Question: Tree sap enclosing an organism in amber or an organism preserved in tar or ice are actually examples of what?
Options:
A. fossils
B. corals
C. fuels
D. bones | A |
Question: Which theory states that the characteristics of living things are controlled by genes?
Options:
A. string theory
B. order theory
C. creationism
D. gene theory | D |
Question: What does the secondary oocyte have the most of from the original cell?
Options:
A. rna
B. bacteria
C. electron
D. cytoplasm | D |
Question: Kangaroos, koala and opossums are part of what group?
Options:
A. primates
B. monotremes
C. cephalopods
D. marsupials | D |
Question: What term refers to a group of individuals of the same species that live in the same area and is the unit of natural selection, adaptation, and microevolution?
Options:
A. community
B. ecosystem
C. taxonomy
D. population | D |
Question: What larger theory is einstein's equation part of?
Options:
A. excess of relativity
B. theory of relativity
C. law of relativity
D. cycle of relativity | B |
Question: Low yields of nitric oxide, no, form when heating nitrogen and oxygen together. no also forms when lightning passes through air during this?
Options:
A. tidal waves
B. snowstorms
C. thunderstorms
D. tornadoes | C |
Question: Scientists that study dolphins and other life in the ocean are called what?
Options:
A. sea biologists
B. marine geneticists
C. marine biologists
D. ocean biologists | C |
Question: What is the scientific term for the act of eating or feeding?
Options:
A. secretion
B. swallowing
C. ingestion
D. excretion | C |
Question: The collision of what is responsible for massive earthquakes?
Options:
A. fault lines
B. tidal currents
C. weather fronts
D. two continents | D |
Question: Proteins are one of four classes of what type of compounds?
Options:
A. genetic
B. synthesized
C. hormonal
D. biochemical | D |
Question: What is the term for a fold that arches upward?
Options:
A. underlain
B. tailslide
C. tailplane
D. anticline | D |
Question: Under certain conditions, electric current causes what type of field?
Options:
A. light
B. kinetic
C. seismic
D. magnetic | D |
Question: What is the most complex organ in the human body?
Options:
A. liver
B. muscular
C. heart
D. brain | D |
Question: What is a soft connective tissue inside pores and cavities in spongy bone?
Options:
A. synovial tissue
B. collagen
C. bone marrow
D. cartilage | C |
Question: What is another term for chemical messenger molecules?
Options:
A. hormones
B. acids
C. enzymes
D. pheromones | A |
Question: The alimentary canal is associated with what organ system?
Options:
A. digestive
B. nervous
C. cardiovascular
D. respiratory | A |
Question: Which organisms capture light energy and convert it to chemical energy inside their cell?
Options:
A. phototrophs
B. chloroplasts
C. sporozoans
D. pores | A |
Question: Specific scents are often associated with what?
Options:
A. instincts
B. behaviors
C. memories
D. pheromones | C |
Question: Microwave ovens use radiation to provide food with what kind of energy?
Options:
A. vibrational
B. mechanical
C. magnetic
D. heat | D |
Question: What are usually planted in rows with bare soil in between the rows?
Options:
A. crops
B. beans
C. corn
D. trees | A |
Question: Name the type of system that a jellyfish does not have?
Options:
A. reproductive
B. nervous
C. circulatory
D. hereditary | C |
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