question stringlengths 68 502 | answer stringclasses 4
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Question: What is the term for a random change in allele frequencies that occurs in a small population?
Options:
A. evolution
B. speciation
C. mutation
D. genetic drift | D |
Question: Aerobic exercise helps improve the cardiovascular system, while what exercise causes muscles to get bigger and stronger?
Options:
A. endurance
B. anaerobic
C. enzymatic
D. skeletal | B |
Question: An excessive posterior curvature of the thoracic region is also known as what?
Options:
A. kyphosis
B. osmosis
C. lordosis
D. babesiosis | A |
Question: What are the two main divisions of the human nervous system?
Options:
A. central and peripheral
B. central and identical
C. left and right
D. somatic and autonomic | A |
Question: What is composed of two strands of nucleotides in a double-helical structure?
Options:
A. RNA
B. bacteria
C. molecule
D. dna | D |
Question: The body is made up of how many types of tissue?
Options:
A. four
B. five
C. six
D. seven | A |
Question: The great astronomer edwin hubble discovered that all distant galaxies are receding from our milky way galaxy with velocities proportional to their what?
Options:
A. masses
B. distances
C. paths
D. dimensions | B |
Question: What is friction that acts on objects while it is rolling over a surface called?
Options:
A. surface friction
B. blowing friction
C. opposing friction
D. rolling friction | D |
Question: Traditionally, mammals were divided into groups based on what?
Options:
A. their behaviors
B. their characteristics
C. their colors
D. their sizes | B |
Question: What type of bonds do alkanes only contain?
Options:
A. carbon-hydrogen bonds
B. hydrogen-carbon bonds
C. carbon-carbon single bonds
D. hydrogen bonds | C |
Question: Which part of the wave helps make the wave bend and cause refraction?
Options:
A. dense part
B. bright part
C. heavy part
D. shallow part | D |
Question: What are passed from one generation to the next so species can survive?
Options:
A. mutations
B. selections
C. adaptatioins
D. fluctuations | C |
Question: What kind of lines does a diffraction grating produce?
Options:
A. nearly spaced lines
B. properly spaced lines
C. randomly spaced lines
D. evenly spaced lines | D |
Question: Which type of ferns have yellow sporangia and no leaves?
Options:
A. Boston fern
B. Ostrich fern
C. whisk ferns
D. Hothouse fern | C |
Question: Ice masses, acquifers, and the deep ocean are examples of water what?
Options:
A. reservoirs
B. fields
C. seas
D. lakes | A |
Question: This heat is used to convert water into steam, which is then used to turn a turbine, thus generating what?
Options:
A. radiation power
B. electrical power
C. heating power
D. solar power | B |
Question: What atmospheric layer lies above the highest altitude an airplane can go and below the lowest altitude a spacecraft can orbit?
Options:
A. mesosphere
B. stratosphere
C. thermosphere
D. troposphere | A |
Question: Where are sensors for thermoregulation concentrated in the brain?
Options:
A. the hypothalamus
B. medulla
C. thyroid
D. pituitary gland | A |
Question: What is the first step in the breakdown of glucose to extract energy for cellular metabolism?
Options:
A. mitosis
B. glycolysis
C. photosynthesis
D. mutation | B |
Question: What charge do atoms carry?
Options:
A. static
B. neutral
C. positive
D. negative | B |
Question: The pleura that surrounds the lungs consists of how many layers?
Options:
A. one
B. two
C. three
D. four | B |
Question: Organisms that obtain food from outside themselves (i.e. they don't make their own food) are known as what?
Options:
A. zygotes
B. fungi
C. heterotrophs
D. autotrophs | C |
Question: In scientific investigations, descriptive statistics are useful for summarizing the characteristics of large what?
Options:
A. samples
B. tissues
C. questions
D. organisms | A |
Question: The process of the cytoplasm splitting apart and the cell pinching in two is known as what?
Options:
A. budding
B. mitosis
C. electrolysis
D. cytokinesis | D |
Question: What kind of mountainous formation can often be found near trenches?
Options:
A. earthquakes
B. craters
C. caves
D. volcanoes | D |
Question: Because it can be controlled intentionally, skeletal muscle is also called what type of muscle?
Options:
A. automatic
B. voluntary
C. necessary
D. involuntary | B |
Question: What effect in the atmosphere ensures that the earth maintains the correct temperature to support life?
Options:
A. ozone effect
B. smog effect
C. coriolis effect
D. greenhouse effect | D |
Question: Felsic, intermediate, mafic, and ultramafic are types of composition of what rock group?
Options:
A. metamorphic
B. asteroids
C. igneous
D. Sedimentary | C |
Question: What is the base of nearly all food chains on earth?
Options:
A. photosynthesis
B. glycolysis
C. atherosclerosis
D. synthesis | A |
Question: The skull is a part of a vertebrate endoskeleton that encloses and protects what organ?
Options:
A. nervous system
B. brain
C. lung
D. heart | B |
Question: The global pattern of precipitation is influenced by movements of what?
Options:
A. air valleys
B. clouds
C. pollution masses
D. air masses | D |
Question: What is the name of the region of a magnet that has the most pull?
Options:
A. tail
B. pole
C. center
D. grid | B |
Question: How many major forces of elevation cause allele frequencies to change?
Options:
A. five
B. one
C. three
D. four | D |
Question: Where in the atom is a neutron found?
Options:
A. the nucleus
B. electron
C. proton
D. orbit | A |
Question: In physics, what is defined as the average kinetic energy of the particles of matter?
Options:
A. temperature
B. magnetism
C. friction
D. density | A |
Question: What organelles are known as the "power plants" of the cell?
Options:
A. flagella
B. golgi body
C. plastid
D. mitochondria | D |
Question: Dalton's law and henry's law both describe aspects of what type of exchange?
Options:
A. energy
B. liquid
C. electron
D. gas | D |
Question: What vesicles store neurotransmitters?
Options:
A. dendritic
B. Golgi apparatus
C. hydrophobic
D. synaptic | D |
Question: What temperature scale is obtained by adding 273 degrees from the corresponding celsius temperature?
Options:
A. kelvin scale
B. seismic scale
C. whittle scale
D. ph scale | A |
Question: Hemoglobin is a large molecule made up of proteins and iron. it consists of four folded chains of a protein called this?
Options:
A. histone
B. insulin
C. peptide
D. globin | D |
Question: A new species is said to have evolved if separated members of a species evolve genetic differences that prevent what from occurring with the original members??
Options:
A. interbreeding
B. re-population
C. evolution
D. extinction | A |
Question: What term describes the orientation of a body lying face-down?
Options:
A. Supine
B. prone
C. Under
D. Diagnal | B |
Question: What happens to energy when an atom gains an electron?
Options:
A. it increases
B. it is used
C. it is folded
D. it is released | D |
Question: What is the name of the second most electronegative element?
Options:
A. Hydrogen
B. oxygen
C. nitrogen
D. carbon | B |
Question: What is the term for species evolving together?
Options:
A. conjuration
B. interconnection
C. specmutation
D. coevolution | D |
Question: Where do the eggs develop?
Options:
A. the follicles
B. the uterus
C. the ovaries
D. the glands | C |
Question: What's the other term for your wind pipe?
Options:
A. cornea
B. cochlea
C. trachea
D. esophagus | C |
Question: When food is scarce, starving cells secrete a molecule that stimulates neighboring cells to do what?
Options:
A. aggregate
B. compete
C. hoard energy
D. die off | A |
Question: What do cells secrete that binds to receptors?
Options:
A. factor
B. stress
C. proteins
D. endorphans | A |
Question: What is the term for the tube that carries sound waves into the ear?
Options:
A. sound canal
B. ear canal
C. flap canal
D. tone canal | B |
Question: In the cardiovascular system, what blood vessels carry blood away from the heart?
Options:
A. cilia
B. veins
C. arteries
D. capillaries | C |
Question: Molecules in the gas phase can collide with the liquid surface and reenter the liquid via what?
Options:
A. liquidation
B. condensation
C. combustion
D. fermentation | B |
Question: What guards the opening between the right atrium and the right ventricle?
Options:
A. aorta
B. tricuspid valve
C. brachiocephalic trunk
D. superior vena cava | B |
Question: The water cycle involves movement of water between air and what?
Options:
A. tree
B. air
C. land
D. animals | C |
Question: When we consider a chemical reaction, we need to take into account both the system and what?
Options:
A. sorroundings
B. fluctuations
C. date
D. time | A |
Question: What is a layer of tissue that lies between the shell and the body?
Options:
A. mantle
B. node
C. silt
D. stem | A |
Question: In what country can some of the largest natural crystals be found?
Options:
A. canada
B. germany
C. spain
D. mexico | D |
Question: What are the primary producers in terrestrial biomes?
Options:
A. plants
B. animals
C. soil
D. gases | A |
Question: Where are aerofoils found?
Options:
A. airplanes and plants
B. birds and airplanes
C. birds and busses
D. birds and cars | B |
Question: What is the si unit for pressure?
Options:
A. le
B. pascal
C. laurent
D. watt | B |
Question: Marine fishes take in divalent ions by incessantly drinking what?
Options:
A. seawater
B. sand
C. algae
D. oxygen | A |
Question: The simplest and smallest particle of matter that still has chemical properties of the element is called?
Options:
A. a molecule
B. an isotope
C. a nucleus
D. an atom | D |
Question: Frequency and intensity are two measurable properties of what?
Options:
A. troughs
B. heat
C. lines
D. wave | D |
Question: While most mammals give birth to live young, monotremes can do what?
Options:
A. adopt offspring
B. reproduce asexually
C. steal eggs
D. lay eggs | D |
Question: What happens to old oceanic crust at convergent boundaries?
Options:
A. created
B. dissolves
C. emerges
D. destroyed | D |
Question: When electrons are shared between two atoms, they make a bond called a what?
Options:
A. ionic bond
B. metallic bond
C. covalent bond
D. hydrogen bond | C |
Question: What happens to the temperature of matter as light is absorbed?
Options:
A. it triples
B. it stays the same
C. it drops
D. it increases | D |
Question: By shocking ocean water, earthquakes can cause what deadly ocean waves?
Options:
A. deep currents
B. ebb tides
C. typhoons
D. tsunamis | D |
Question: Where are the desmosome found in a cell?
Options:
A. coating
B. epithelium
C. neuron
D. epithelial | B |
Question: An action potential that starts at the axon hillock moves along the axon only toward what?
Options:
A. polar synapses
B. ionic pathways
C. nerve endings
D. the synaptic terminals | D |
Question: Fission is a type of radioactivity in which large nuclei spontaneously break apart into what?
Options:
A. active nuclei
B. faster nuclei
C. light nuclei
D. smaller nuclei | D |
Question: Bones are the main organs of what system, which also includes cartilage and ligaments?
Options:
A. lymphatic system
B. digestive system
C. skeletal system
D. endocrine system | C |
Question: Most waves strike the shore at an angle. this causes what?
Options:
A. longshore drift
B. fontaine drift
C. tide
D. erosion | A |
Question: What is the difference between the daily high and the daily low?
Options:
A. tidal change
B. sunrise and sunset
C. margin of error
D. weather forecast | A |
Question: Spermatogonia are the stem cells of what male sex organs?
Options:
A. Epididymis
B. ovaries
C. Prostate
D. testes | D |
Question: Sensory neurons transmit nerve impulses from sense organs and internal organs to the brain via the?
Options:
A. spinal cord
B. nerve endings
C. spinal column
D. nervous system | A |
Question: Sexually reproducing organisms alternate between which stages?
Options:
A. binary and haploid
B. binary and diploid
C. diploid and traploid
D. haploid and diploid | D |
Question: Acids turn blue litmus paper which color?
Options:
A. red
B. white
C. purple
D. grey | A |
Question: The development of a head region is called what?
Options:
A. cocklebur
B. cephalization
C. spore
D. trichina | B |
Question: Which hormone helps cells absorb sugar from the blood?
Options:
A. insulin
B. cortisol
C. adrenaline
D. estrogen | A |
Question: What is the number of electrons equal to in every electrically neutral atom?
Options:
A. molecules
B. nucleus
C. protons
D. Electrons | C |
Question: Does climate change have a positive or negative effect on reproductive success?
Options:
A. both
B. positive
C. negative
D. neither | C |
Question: What is the most common form of dwarfism in humans?
Options:
A. malnutrition
B. achondroplasia
C. alopecia
D. anemia | B |
Question: What is the term for groups of three successive nucleotide bases in dna?
Options:
A. triplets
B. triple play
C. triads
D. tertiary bases | A |
Question: The coccyx, or tailbone, results from the fusion of four small what?
Options:
A. rib vertebrae
B. alangulam vertebrae
C. arsine vertebrae
D. coccygeal vertebrae | D |
Question: What is a pure substance that cannot be separated into any other substances called?
Options:
A. Cells
B. light
C. element
D. Spears | C |
Question: How many different types of stresses are there?
Options:
A. four
B. five
C. seven
D. three | A |
Question: A molecule has two structures that can be generated. what is this called?
Options:
A. resonance hybrids
B. isomerism
C. congruence
D. ethnocentrism | B |
Question: An antigen is a molecule that reacts with some component of the what response?
Options:
A. digestion
B. fight or flight
C. hormones
D. immune | D |
Question: What bodily system is primarily responsible for fighting pathogens in the body?
Options:
A. Cardiovascular
B. Muscular
C. immune
D. digestion | C |
Question: Displacement, velocity, acceleration, and force are examples of what type of quantity that has magnitude and direction?
Options:
A. cycles
B. frequency
C. vector
D. wave | C |
Question: Gases such as co2 and methane can trap what energy in earth's atmosphere, before radiating it into space?
Options:
A. thermal energy
B. sunlight energy
C. mechanical energy
D. potential energy | A |
Question: What happens when heated water is released into a body of water?
Options:
A. crystalline pollution
B. geysers
C. thermal pollution
D. gaseous pollution | C |
Question: What term is used to describe a chemical released by an animal that affects the behavior or physiology of animals of the same species?
Options:
A. isolate
B. pheromone
C. amino
D. enzyme | B |
Question: Producers at the base of ecological food webs are also known as?
Options:
A. symbiotic
B. mutualistic
C. autotrophic
D. endoscopic | C |
Question: What is the term for the gas in smog that can damage plants?
Options:
A. dioxide
B. ozone
C. sulphur
D. carbon | B |
Question: What must happen for two ions to form an ionic bond?
Options:
A. two ions need to have opposite charges
B. two ions need to have neutral charges
C. two ions need to have the same charge
D. Two ions need to be the same size | A |
Question: What is the study of the similarities and differences in the embryos of different species?
Options:
A. example embryology
B. prenatal biology
C. comparative embryology
D. diversified embryology | C |
Question: What are the main organs of the respiratory system?
Options:
A. intestines
B. ovaries
C. lungs
D. kidneys | C |
Question: What do you call the traits that allow a plant, animal, or other organism to survive and reproduce in its environment?
Options:
A. additions
B. adaptations
C. settings
D. advantages | B |
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