question stringlengths 68 502 | answer stringclasses 4
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Question: What do some animals use to get a feel for their environment?
Options:
A. neuroreceptors
B. nociceptors
C. fibroblasts
D. mechanoreceptors | D |
Question: Gas particles are constantly colliding with each other and the walls of a container, and these collisions are elastic, so there is no net loss of what?
Options:
A. heat
B. temperature
C. velocity
D. energy | D |
Question: How do birds learn to avoid eating monarch butterflies?
Options:
A. conditioning
B. temperature
C. instinct
D. digestion | A |
Question: What part of the sperm contains the genetic material?
Options:
A. the " body "
B. the " brain "
C. the "head"
D. the " tail " | C |
Question: Multiple sclerosis, huntington’s disease, and parkinson’s disease all affect what body system?
Options:
A. circulatory system
B. nervous system
C. reproductive system
D. lymph system | B |
Question: The force that blood exerts upon the walls of the blood vessels or upon the chambers of the heart is known as blood what?
Options:
A. squeeze
B. vaccuum
C. pressure
D. push | C |
Question: What is the term for the amount of internal energy that the substance can store?
Options:
A. mass capacity
B. humidity capacity
C. temperature capacity
D. heat capacity | D |
Question: An aquifer is an underground layer of rock that is saturated with what?
Options:
A. wastewater
B. oil
C. ocean water
D. groundwater | D |
Question: Oysters require a certain minimum population density because they must be in close proximity to do this?
Options:
A. feed
B. multiply
C. replicate
D. reproduce | D |
Question: Rubber is an example of what type of substances that do not allow electrons to move through them?
Options:
A. solids
B. semi-conductor
C. conductor
D. insulators | D |
Question: What gland is located in the neck, where it wraps around the trachea?
Options:
A. pituitary gland
B. thyroid gland
C. salivary gland
D. adrenal gland | B |
Question: What is influences the inhibition of axillary buds by an apical bud?
Options:
A. anterior dominance
B. eliptical dominance
C. apical dominance
D. cortical dominance | C |
Question: The colorless, odorless gas released when we breath is carbon dioxide. the harmful colorless, odorless gas released when matter is burned is what?
Options:
A. methane
B. acid monoxide
C. carbon trioxide
D. carbon monoxide | D |
Question: How are bacteria cells similar to our cells?
Options:
A. plasma and number of protons
B. dna & plasma membrane
C. shape and size
D. dna and number of protons | B |
Question: What kind of health problem can occur in the kidney and potentially cause problems with urination?
Options:
A. kidney stones
B. diabetes
C. gallstones
D. infection | A |
Question: What can alkenes and alkynes be reduced with to form alkanes?
Options:
A. acids
B. oxygen
C. hydrogen gas
D. enzymes | C |
Question: The vapor pressures of various liquids depends primarily on the strength of what kind of attractions between individual particles?
Options:
A. diffusion
B. intermolecular
C. outer molecular
D. gravitational | B |
Question: What is the term for a structure within the cytoplasm that performs a specific job in the cell?
Options:
A. nucleus
B. ribosome
C. organelle
D. mitochondria | C |
Question: The two members of a given pair of chromosomes are called what?
Options:
A. tissue chromosomes
B. isolated chromosomes
C. homologous chromosomes
D. divergant chromosomes | C |
Question: What type of organism is used to produce alcoholic beverages and bread?
Options:
A. bacteria
B. larvae
C. yeast
D. insects | C |
Question: On top of the otolithic membrane is a layer of calcium carbonate crystals, called what?
Options:
A. calcites
B. cones
C. otoliths
D. gonads | C |
Question: What do we call the locations where electrons are likely to be located around the nucleus?
Options:
A. isotopes
B. radials
C. cores
D. orbitals | D |
Question: What makes up the central nervous system?
Options:
A. brain and heart
B. heart and lungs
C. spine and lungs
D. brain and spinal cord | D |
Question: Obligate anaerobes live and grow in the absence of what?
Options:
A. molecular oxygen
B. molecular carbon
C. molecular nitrogen
D. atomic oxygen | A |
Question: What is the common term for single-celled fungi?
Options:
A. mushrooms
B. sponges
C. prokaryotes
D. yeasts | D |
Question: What process allows particles too large to move along the stream bed?
Options:
A. saltation
B. channelization
C. diffusion
D. impaction | A |
Question: Conducting wires have a small degree of what?
Options:
A. electrical resistance
B. insulation
C. heat
D. magnetism | A |
Question: What allowed life to expand and diversify during the early cambrian period?
Options:
A. hot, dry climate
B. cool, dry climate
C. warm, humid climate
D. cool, humid climate | C |
Question: What do you call the fast-moving air currents high in the troposphere?
Options:
A. jet streams
B. wind streams
C. cyclones
D. stationary fronts | A |
Question: What describes a close and long-term interaction between different species?
Options:
A. dermatitis
B. endosymbiosis
C. symbiosis
D. parasitic | C |
Question: Rudolf virchow developed the hypothesis that cells only come from other cells in what year?
Options:
A. 1868
B. 1848
C. 1858
D. 1898 | C |
Question: Because they have free electrons, metals are able to conduct what?
Options:
A. radiation
B. light
C. sound
D. electricity | D |
Question: What are oil in folded layers of rock called?
Options:
A. dendrites
B. oscillations
C. anticlines
D. macroparticle | C |
Question: Lymph vessels are like blood vessels, except they move what instead of blood?
Options:
A. marrow
B. sperm
C. lymph
D. air | C |
Question: During the first several weeks of development, the cells of the endometrium nourish what?
Options:
A. embryo
B. egg
C. nucleus
D. uterus | A |
Question: Which type of joints do not allow any movement of the bones?
Options:
A. linked
B. attached
C. fixed
D. fitted | C |
Question: What type of waves carry energy through matter or space as vibrating electric and magnetic fields?
Options:
A. electromagnetic waves
B. sound waves
C. mechanical waves
D. light waves | A |
Question: What happens when water is removed from the endospore?
Options:
A. reversal
B. hibernation
C. suspension
D. its metabolism halts | D |
Question: What is the term for the intentional release or spread of agents of disease?
Options:
A. plague
B. bioterrorism
C. pandemic
D. diversion | B |
Question: Two important types of waves include longitudinal waves and what other kind?
Options:
A. phenomena
B. slow
C. transverse
D. irregular | C |
Question: The motion of stars in galaxies imply that there is about 10 times as much what as in the luminous objects we can see?
Options:
A. mass
B. heat
C. density
D. light | A |
Question: Polymers, ceramics, adhesives, coatings, and liquid crystals are examples of materials recently discovered or developed by what type of scientists?
Options:
A. material scientists
B. chemists
C. engineers
D. geologists | B |
Question: What does the urethra do?
Options:
A. carries urine and sperm out of the body
B. stores sperm and urine
C. makes sperm and evacuates bowels
D. filters urine and makes sperm | A |
Question: What is the term used to measure the intensity of sound waves?
Options:
A. decibel
B. hertz
C. phon
D. amplitude | A |
Question: What can be thought of as the most biologically productive regions on earth?
Options:
A. forests
B. estuaries
C. swamps
D. coasts | B |
Question: What is the scientific term for farsightedness?
Options:
A. hypoxia
B. myopia
C. micropsia
D. hyperopia | D |
Question: During fetal development of the heart, what does the bulbus cordis develop into?
Options:
A. last ventricle
B. left atrium
C. right ventricle
D. right atrium | C |
Question: A more crucial use of rc circuits for timing purposes is in the artificial pacemaker, used to control what?
Options:
A. heart rate
B. blood pressure
C. iron levels
D. breathing rate | A |
Question: What causes earthquakes at mid-ocean ridges to be small and shallow?
Options:
A. plates are thick , young , and cold
B. plates are thin , young , and hot
C. plates are thick , old , and hot
D. plates are thin , young , and cold | B |
Question: Most geological activity takes place where?
Options:
A. high altitudes
B. ocean floor
C. center of plates
D. at plate boundaries | D |
Question: What do we call the amount of time it will take for half of the radioactive material to decay?
Options:
A. one full-life
B. one half-life
C. one partial-life
D. one quarter-life | B |
Question: What are organisms that depend on other living things for food?
Options:
A. products
B. customers
C. consumers
D. buyers | C |
Question: Which part of the nerve cell helps transmit nerve impulses?
Options:
A. cell walls
B. dendrites
C. long, threadlike extensions
D. synapses | C |
Question: Mount kilimanjaro has ________ climates at the top and bottom?
Options:
A. rainy
B. different
C. similar
D. dangerous | B |
Question: What physical process occurs when large chunks of food are broken down into smaller pieces?
Options:
A. mechanical digestion
B. peristalsis
C. chemical digestion
D. swallowing | A |
Question: What is the term for the early growth and development of a plant embryo inside a seed?
Options:
A. fertilization
B. rumination
C. germination
D. secretion | C |
Question: Elements are either metals, nonmetals, or what?
Options:
A. unstable metals
B. reactive metals
C. semimetals
D. partial metals | C |
Question: Shield volcanoes often form along which locations?
Options:
A. tectonic plates
B. fault lines
C. convergent boundaries
D. divergent plate boundaries | D |
Question: What is the study of the vital statistics of populations and how they change over time?
Options:
A. sociology
B. ethnography
C. demography
D. anthropology | C |
Question: Compared to free-floating bacteria, bacteria in biofilms often show increased resistance to what?
Options:
A. alcohol and detergents
B. antibiotics and detergents
C. acid and detergents
D. acid and antibiotics | B |
Question: What type of energy travels in waves across space as well as through matter?
Options:
A. kinetic energy
B. mechanical radiation
C. electromagnetic radiation
D. thermal energy | C |
Question: If an elephant and a boy are falling towards the ground, who will land first?
Options:
A. neither will land
B. both same time
C. the elephant
D. the boy | B |
Question: Designed to support the weight of the upper body when sitting and transfer this weight to the lower limbs when standing, what body structure consists of four bones: right and left hip bones, sacrum, and coccyx?
Options:
A. lungs
B. tissues
C. pelvis
D. Chest | C |
Question: Of all the electromagnetic waves, which have the lowest frequencies?
Options:
A. X-rays
B. gamma rays
C. ultraviolet rays
D. radio waves | D |
Question: What do you call reversible changes that do not change matter’s chemical makeup or chemical properties?
Options:
A. potential changes
B. chemical changes
C. element changes
D. physical changes | D |
Question: Free atoms are spherical in shape, so the relative sizes of the elements can be compared by looking at each atom's atomic what?
Options:
A. angles
B. weight
C. axis
D. radius | D |
Question: What types of energy is released during a chemical reaction?
Options:
A. magnetism, electricity, light
B. heat, electricity, light
C. human, magnetic, electrical
D. temperature , electricity , light | B |
Question: What is the most common type of organic compound?
Options:
A. carbohydrates
B. hydrocarbons
C. proteins
D. lipids | A |
Question: Hormones, ions, and neurotransmitters are all types of what?
Options:
A. chemical signals
B. proteins
C. nutrients
D. pathogens | A |
Question: What explains why water molecules tend to stick together?
Options:
A. helium bonds
B. covalent bonds
C. hydrogen bonds
D. mineral bonds | C |
Question: The maturing follicle, containing a fluid-filled cavity, enlarges, forming a bulge near the surface of what?
Options:
A. the pelvis
B. the abdomen
C. the ovary
D. the vagina | C |
Question: Storm surge is very high water located in the low pressure eye of what?
Options:
A. eruptions
B. hurricanes
C. tornados
D. earthquakes | B |
Question: What is a waste product from fossil fuel burning?
Options:
A. smog
B. co2 emissions
C. hydrogen gas
D. oxidation | B |
Question: Carbon dioxide is an example of a material that easily undergoes what?
Options:
A. spontaneous mutation
B. amplification
C. decomposition
D. sublimation | D |
Question: What is the term for daily cycles of behavior, like the sleep-wake cycle?
Options:
A. behavioral rhythms
B. daily rhythms
C. circadian rhythms
D. variable rhythms | C |
Question: What organ senses sound?
Options:
A. teeth
B. eyes
C. brain
D. ear | D |
Question: The total energy assimilated by an ecosystem in a give period is known as what?
Options:
A. median primary production
B. mean primary production
C. size primary production
D. gross primary production | D |
Question: Class bivalvia (“two shells”) includes clams, oysters, mussels, scallops, and these?
Options:
A. octopuss
B. grendels
C. geoducks
D. crabs | C |
Question: When does a caldera form?
Options:
A. after an eruption
B. after a hurricane
C. when faults form
D. before an eruption | A |
Question: The mass lost in mass defect has gone into energy called what?
Options:
A. momentum
B. enthalpy
C. kinetic energy
D. binding energy | D |
Question: What is used for the fermentation process that makes beer, wine, and bread?
Options:
A. whey
B. yeast
C. barley
D. fungi | B |
Question: Plant viruses can seriously disrupt crop growth and development, significantly affecting our what?
Options:
A. air supply
B. fuel supply
C. harvest supply
D. food supply | D |
Question: In the past, biologists grouped living organisms into five kingdoms: animals, plants, fungi, protists, and what?
Options:
A. lizards
B. pathogens
C. bacteria
D. trees | C |
Question: What kind of joints allow for a wide range of flexibility?
Options:
A. anchor
B. pivot
C. ball and socket
D. lever | C |
Question: The human body wants to maintain equilibrium or balance, also known as what?
Options:
A. heterostasis
B. stability
C. perfection
D. homeostasis | D |
Question: Natural gas, such as those burned by gas stoves, is composed mostly of this?
Options:
A. oxygen
B. sulfur
C. carbon monoxide
D. methane | D |
Question: Which is the process through which leaves collect sunlight and make food?
Options:
A. compress
B. richness
C. Greenhouse
D. photosynthesis | D |
Question: What model describes the structure of the plasma membrane as a mosaic of components?
Options:
A. fluid mosaic model
B. solid mosaic model
C. coolant mosaic model
D. sensors mosaic model | A |
Question: The hot liquid rock on the surface is called what?
Options:
A. flow
B. Molten
C. volcano
D. lava | D |
Question: The first consumption of breast milk or formula floods the newborn’s sterile gastrointestinal tract with beneficial what?
Options:
A. pathogens
B. bacteria
C. oxygen
D. disease | B |
Question: Clouds are formed from what?
Options:
A. snow flakes
B. ice crystals
C. dust particles
D. water droplets | D |
Question: After spermatids form, they move where to mature into sperm?
Options:
A. into the volaris
B. into the prostate
C. into the epididymis
D. into the vans deferens | C |
Question: Matter can exist either as a pure substance or as a combination of what?
Options:
A. different substances
B. Different Liquids
C. different vapors
D. much substances | A |
Question: What is the separation of compounds on the basis of their solubilities in a given solvent?
Options:
A. fractional crystallization
B. fractional mass
C. solvent law
D. volatile crystallization | A |
Question: Triploblasts include a broad range of animals, from flatworms to arthropods to what?
Options:
A. invertebrates
B. vertebrates
C. cells
D. mammals | B |
Question: What is the release of particles and/or energy from the nucleus of an atom described as?
Options:
A. temperature
B. momentum
C. kinetic energy
D. radioactivity | D |
Question: Through which process do behaviors that improve fitness increase?
Options:
A. succession
B. natural selection
C. adaptation
D. mutation | B |
Question: Enzymes - proteins which speed up what?
Options:
A. liquid reactions
B. chemical reactions
C. physical reactions
D. crystals reactions | B |
Question: What do you call the sudden flow of mud down a slope because of gravity?
Options:
A. mudslide
B. typhoon
C. mountainside
D. rockflow | A |
Question: What causes acid rain, ozone depletion, and global warming?
Options:
A. radiation
B. air pollution
C. water pollution
D. ozone layer | B |
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