question stringlengths 68 502 | answer stringclasses 4
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|---|---|
Question: The two general types of reproduction are sexual and what?
Options:
A. unisexual
B. primitive
C. bisexual
D. asexual | D |
Question: Acid rain is corrosive rain caused by rainwater falling to the ground through which gas?
Options:
A. sulfide dioxide
B. carbon dioxide
C. sulfur dioxide
D. essential dioxide | C |
Question: What is the net force when two forces act in the same direction?
Options:
A. group of forces
B. sum of the forces
C. number of the forces
D. arguing forces | B |
Question: What hypothesis states that the biosphere is its own living organism
Options:
A. the gaia hypothesis
B. the seager hypothesis
C. Big Bang theory
D. small world theory | A |
Question: The planet neptune has strange dark spots that sometimes appear on its surface? what are these spots?
Options:
A. storms
B. seas
C. earthquakes
D. black holes | A |
Question: The thalamus acts as a gateway to and from what?
Options:
A. cortex
B. medulla oblongata
C. spine
D. pons | A |
Question: When describing motion, what factor is just as important as distance?
Options:
A. velocity
B. pressure
C. momentum
D. direction | D |
Question: What often relies on cooperation between the motor and autonomic nervous systems?
Options:
A. homeostasis
B. ketosis
C. hypothalamus
D. thermoregulation | A |
Question: What nerves are connected to the spinal cord?
Options:
A. posterior nerves
B. primary nerves
C. spinal nerves
D. superior nerves | C |
Question: What source of water pollution picks up chemicals from the ground with water and carries them to bodies of water?
Options:
A. sediment
B. fertilizer
C. runoff
D. erosion | C |
Question: Where do all cells come from?
Options:
A. large cells
B. pre-existing cells
C. busy cells
D. dying cells | B |
Question: What is the term for learning from past experiences and reasoning?
Options:
A. logical learning
B. consequence learning
C. insight learning
D. experimental learning | C |
Question: Science is the process of knowing about the natural universe through observation and this?
Options:
A. experimental
B. variation
C. experiment
D. Test | C |
Question: What type of plant keeps it green leaves year-round?
Options:
A. evergreen plant
B. deciduous
C. conifer
D. cactus | A |
Question: What are reactions that can occur only in one direction called?
Options:
A. irreversible
B. critical
C. instantaneous
D. permanent | A |
Question: What is the diffusion of water molecules across a semipermeable membrane?
Options:
A. osmosis
B. electrolysis
C. organelle motion
D. active transport | A |
Question: What forms when there is a difference in temperature between the land and the air?
Options:
A. smoke
B. sandstorms
C. tsunamis
D. fog | D |
Question: What domain-level category of cells can contain more than 1000 times the dna found in a typical bacterial cell?
Options:
A. eukaryotic
B. mutations
C. chromosomes
D. genetic | A |
Question: What gas is released by burning of fossil fuels and contributes to global warming?
Options:
A. nitrous oxide
B. carbon dioxide
C. helium
D. hydrogen | B |
Question: A major disturbance in what results in an episode of severe weather called a storm?
Options:
A. the core
B. the atmosphere
C. the ozone layer
D. the oceans | B |
Question: Bone marrow, the thymus gland, the spleen, and the tonsils are organs in what body system?
Options:
A. skeletal system
B. immune system
C. reproductive system
D. nervous system | B |
Question: What term refers to the balance, or equilibrium, within the cell or a body, and an organism’s ability to keep a constant internal environment?
Options:
A. consciousness
B. homeostasis
C. ketosis
D. metabolism | B |
Question: Atoms of different elements can combine in simple whole number ratios to form what?
Options:
A. chemical compounds
B. mixtures
C. carbon compounds
D. combinations | A |
Question: What blood component serves both structural and molecular functions in blood clotting?
Options:
A. proteins
B. molecules
C. platelets
D. plasma | C |
Question: What type of reproduction begins when an egg and sperm combine?
Options:
A. asexual reproduction
B. natural reproduction
C. sexual reproduction
D. regular reproduction | C |
Question: What are long chains of amino acids?
Options:
A. cells
B. lipids
C. Fatty Acid Chains
D. proteins | D |
Question: What phase exists when all the water in a container has physical properties intermediate between those of the gaseous and liquid states?
Options:
A. hydrothermal fluid
B. impregnation fluid
C. supercritical fluid
D. stationary fluid | C |
Question: What do you call the movement of a substance from an area of a higher amount toward an area of lower amount?
Options:
A. precipitation
B. filtration
C. diffusion
D. extraction | C |
Question: Each myofibril is made up of two types of proteins, called actin and what?
Options:
A. Fatty Acid
B. myosin
C. dynein
D. elongation | B |
Question: If the experimental value is less than the accepted value, the error is what?
Options:
A. effective
B. caused
C. positive
D. negative | D |
Question: According to which process, sublevels and orbitals are filled with electrons in order of increasing energy?
Options:
A. Schrodinger's cat
B. hausen
C. particle dynamics
D. aufbau | D |
Question: The roughness of interacting surfaces and the magnitude of force pushing one object onto another are two factors related to what force?
Options:
A. temperature
B. energy
C. friction
D. tension | C |
Question: How many types of leptons are there?
Options:
A. twelve
B. nine
C. six
D. two | C |
Question: Plants, algae and bacteria are all examples of what type of organism?
Options:
A. skeletal
B. unicellular
C. microbes
D. photosynthetic | D |
Question: What forms after air cools below its dew point?
Options:
A. plasma
B. sleet
C. smoke
D. fog | D |
Question: In hornworts, the horns are the sporophytes that rise up from what?
Options:
A. the polyol gametophyte
B. the roots
C. the breaza gametophyte
D. the leaflike gametophyte | D |
Question: What generally sets the direction that technology takes?
Options:
A. local animals
B. random chance
C. problems of society
D. local weather | C |
Question: Living things that feed on others are generally known as what?
Options:
A. isolators
B. customers
C. consumers
D. producers | C |
Question: What is an isotope that is radioactive called?
Options:
A. matured isotope
B. isotopes
C. radioisotopes
D. radionuclides | C |
Question: What is a compound that can form ions when it dissolves in water called?
Options:
A. isolate
B. compound
C. electrolyte
D. sulfate | C |
Question: When using a generator, we are transforming what energy into what energy?
Options:
A. mechanical into thermal
B. thermal into radioactive
C. magnetic into kinetic
D. kinetic into electrical | D |
Question: What kind of resource is soil?
Options:
A. nonrenewable
B. viable
C. finite
D. renewable | D |
Question: What is the term for the stalk connecting a leaf to a stem?
Options:
A. petiole
B. cuticle
C. blades
D. base | A |
Question: What are the specialized cells within the brain called?
Options:
A. neurons
B. electrons
C. protons
D. ions | A |
Question: What stimulates the production of milk by the mammary glands following childbirth?
Options:
A. estrogen
B. prolactin
C. progesterone
D. melanin | B |
Question: In vascular plants, the sporophyte generation is what?
Options:
A. submissive
B. dominant
C. non-existant
D. resting | B |
Question: What organ system transports blood through the body and to and from the lungs?
Options:
A. digestive
B. nervous
C. circulatory
D. metabolism | C |
Question: "cardio" has become slang for what type of exercise that raises your heart rate for an extended amount of time?
Options:
A. aerobic
B. cyclical
C. anaerobic
D. kinetic | A |
Question: How many protons do all atoms of a particular element have in their nuclei?
Options:
A. zero
B. varying number
C. three
D. same number | D |
Question: One of the five fundamental conservation laws in the universe refers to conservation of what, which is the product of mass and velocity?
Options:
A. fluid
B. light
C. energy
D. momentum | D |
Question: Copper oxide is a result of what two substances mixing?
Options:
A. crystal and oxygen
B. copper and oxygen
C. copper and gas
D. metal and oxygen | B |
Question: The process of getting oxygen into the body and releasing carbon dioxide is called?
Options:
A. respiration
B. osmosis
C. precipitation
D. persperation | A |
Question: Someone who believes something despite the evidence is referred to by what term that references a false belief about our planet?
Options:
A. conspiracy theorist
B. flat-earther
C. geocentric-earther
D. solid - earther | B |
Question: Which cells continue the digestion and absorption of nutrients and transport these nutrients to the lymphatic and circulatory systems?
Options:
A. epithelial cells
B. myocyte
C. blood cells
D. neurons | A |
Question: Pressure is defined as the force per unit area on?
Options:
A. gravity
B. weight
C. surface
D. speed | C |
Question: What do body cells use for energy?
Options:
A. solvents
B. sugars
C. mixtures
D. chlorophyll | B |
Question: What force pulls people and objects toward the center of the earth?
Options:
A. variation
B. gravity
C. magnetism
D. motion | B |
Question: The rate of decay of carbon-14 does what over time?
Options:
A. becomes unstable
B. decreases
C. remains stable
D. increases | C |
Question: What behavior includes all the ways that animals interact with each other and the environment?
Options:
A. animal behavior
B. interdependence
C. adaptation
D. instinct | A |
Question: Food chains carry energy from what group to what group?
Options:
A. consumers to producers
B. decomposers to producers
C. refiners to consumers
D. producers to consumers | D |
Question: What are professionals in technology are generally called ?
Options:
A. doctors
B. scientists
C. engineers
D. biomechanics | C |
Question: What force occurs whenever two surfaces come into contact?
Options:
A. gravity
B. tension
C. friction
D. vibration | C |
Question: The anatomy of primate eyes shows they tend to rely more on vision than what sense, which is dominant in many other mammals?
Options:
A. taste
B. touch
C. smell
D. hearing | C |
Question: What are sensory cells?
Options:
A. specialized neurons or squirm cells
B. specialized epithelial or squirm cells
C. specialized neurons or epithelial cells
D. specialized neurons or navigable cells | C |
Question: What is it called when waves interact with other waves?
Options:
A. wave interference
B. wave collision
C. wave impact
D. combination interference | A |
Question: What is the ph level for pure water?
Options:
A. ph of 7
B. pH of 0
C. ph of 6.47
D. ph of 3.17 | A |
Question: What is vital for nervous system functions that include muscle stimulation, memory formation, and learning?
Options:
A. thiamine
B. glycogen
C. acetylcholine
D. glutamate | C |
Question: The benthic zone is found at the bottom of all of what type of biomes?
Options:
A. desert
B. space
C. well
D. aquatic | D |
Question: The hydroxyl radical is highly reactive because it has what?
Options:
A. unpaired electron
B. paired proton
C. paired electron
D. unpaired neutron | A |
Question: Gametes swim with the aid of what structure to the female gametangium, and fertilization ensues?
Options:
A. acrosome
B. flagella
C. nucleus
D. oocyte | B |
Question: A phospholipid is a bond between the glycerol component of a lipid and what else?
Options:
A. phosphorous molecule
B. elemental molecule
C. oxygen molecule
D. chlorine molecule | A |
Question: What connects the fetus to the placenta?
Options:
A. umbilical cord
B. womb
C. amniotic sac
D. fallopian tube | A |
Question: In desert cactus, thorns that protect the water held in a large, barrel-shaped stem are an example of what?
Options:
A. characteristic
B. feature
C. adaptation
D. species | C |
Question: What are the most common dietary lipids?
Options:
A. phospholipids
B. triglycerides
C. diglycerides
D. monoglycerides | B |
Question: What process is the opposite of fusion and releases energy only when heavy nuclei are split?
Options:
A. activation
B. diffusion
C. osmosis
D. fission | D |
Question: Visible light is the narrow segment of what, to which the normal human eye responds?
Options:
A. molecular spectrum
B. phenomena spectrum
C. electromagnetic spectrum
D. radio spectrum | C |
Question: Bromine is much less abundant than fluorine or chlorine, but it is easily recovered from seawater, which contains about 65 mg of br− per what?
Options:
A. foot
B. gallon
C. pound
D. liter | D |
Question: Karyotyping shows whether what structures, which contain genetic information, are normal in number and appearance?
Options:
A. chromosomes
B. neutrons
C. ribosomes
D. nucleoids | A |
Question: Real gases deviate from ideal form at high pressure and what other thermodynamic condition?
Options:
A. high winds
B. high temperatures
C. low pressure
D. low temperatures | D |
Question: Organic substances, including proteins, carbohydrates, and oils, contain what element?
Options:
A. iron
B. oxygen
C. acid
D. carbon | D |
Question: What term describes anything that occupies space and has mass, and is generally divided into three states?
Options:
A. lquid
B. galaxy
C. matter
D. stuff | C |
Question: When light strikes the rods and cones, they hyperpolarize, shutting off their release of what?
Options:
A. dopamine
B. vitreous fluid
C. enzyme
D. glutamate | D |
Question: The heart contracts rhythmically to pump what to the lungs and the rest of the body?
Options:
A. blood
B. Chyle
C. Bile
D. Cerumen | A |
Question: What do light emitters do to what you see?
Options:
A. block frequencies
B. subtract frequencies
C. divide frequencies
D. add frequencies | D |
Question: A turbine using tides in the ocean can create what type of energy?
Options:
A. conversion
B. kinetic
C. electricity
D. diffused | C |
Question: The atomic number is the same as the number of what in an atom?
Options:
A. protons
B. neutrons
C. electrons
D. ions | A |
Question: What is the closed circulatory system of humans and other vertebrates called?
Options:
A. respiratory system
B. reproductive system
C. digestive system
D. cardiovascular system | D |
Question: "red-shift" refers to a shift toward red in the spectrum from what celestial bodies?
Options:
A. galaxies
B. stars
C. planets
D. comets | B |
Question: What is the name for substances with a ph above 7?
Options:
A. bases
B. acid
C. nutrient
D. protein | A |
Question: The subducting oceanic plate does what as it reenters the mantle?
Options:
A. freezes
B. disappers
C. melts
D. evaporates | C |
Question: Which stage of development is a period during which apoptosis is widespread and plays a crucial role?
Options:
A. puberty
B. embryonic
C. infancy
D. transgenic | B |
Question: What orifice in the body is particularly helpful in both digestion and respiration?
Options:
A. nostril
B. mouth
C. anus
D. nose | B |
Question: What subphylum, which includes crabs and crayfish, represents the dominant aquatic arthropods?
Options:
A. arachnids
B. crustaceans
C. invertebrates
D. sponges | B |
Question: What do neurons pass to the next neuron?
Options:
A. contaminants
B. blood
C. receptors
D. neurotransmitters | D |
Question: What determines which type of precipitation falls in the atmosphere?
Options:
A. air density
B. air temperature
C. time of day
D. moon phase | B |
Question: The main functions of what complex carbohydrates are to store energy and form structural tissues?
Options:
A. polysaccharides
B. oligosaccharides
C. polypeptides
D. monosaccharides | A |
Question: High consumption of saturated fats is linked to an increased risk of what disease?
Options:
A. pulmonary edema
B. high blood pressure
C. diabetes
D. cardiovascular disease | D |
Question: What does hair get its color from?
Options:
A. elasticity pigments
B. fluorescent pigments
C. stimulating pigments
D. melanin pigments | D |
Question: What type of animal in the sea spend most of their lives as medusae?
Options:
A. fish
B. jellyfish
C. whales
D. sharks | B |
Question: Desert plants have evolved processes to conserve water and deal with harsh conditions. a more efficient use of co2 allows plants to adapt to living with what?
Options:
A. more water
B. more sunlight
C. less water
D. less competition | C |
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