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null | Question: Water molecules are polar, so they form what type of bonds?
Options:
A. helium
B. oxygen
C. carbon
D. hydrogen
Answer: | D |
null | Question: What component of cells is present in plant and bacterial cells but not animal cells?
Options:
A. nucleus
B. mitochondria
C. plasma
D. cell wall
Answer: | D |
null | Question: What is the water that falls from the sky called?
Options:
A. condensation
B. evaporation
C. precipitation
D. moisture
Answer: | C |
null | Question: Through which process do behaviors that improve fitness increase?
Options:
A. succession
B. mutation
C. adaptation
D. natural selection
Answer: | D |
null | Question: A simple sugar such as fructose or glucose is also called a what?
Options:
A. monosaccharide
B. disaccharide
C. galactose
D. carbohydrate
Answer: | A |
null | Question: What are regular changes in biology or behavior that occur in a 24 hour cycle?
Options:
A. auditory rhythm
B. circadian rhythm
C. life cycle
D. cognitive rhythm
Answer: | B |
null | Question: Which important decomposers are known to live just about anywhere on earth?
Options:
A. archeans
B. sporozoans
C. viruses
D. protazoas
Answer: | A |
null | Question: What is the result when two monosaccharides are bound together?
Options:
A. polyketide
B. Peroxide
C. hydrolysis
D. disaccharide
Answer: | D |
null | Question: Through which organ do hookworm larvae enter the human body?
Options:
A. through the mouth
B. through the skin
C. through the rectum
D. through the lungs
Answer: | B |
null | Question: What is the lowest layer of the atmosphere?
Options:
A. chromosphere
B. troposphere
C. ionosphere
D. lithosphere
Answer: | B |
null | Question: Involved in balance, the semicircular canals are parts of what organs?
Options:
A. eyes
B. ovaries
C. lungs
D. ears
Answer: | D |
null | Question: What affects the boiling point of water?
Options:
A. internal pressure
B. latter pressure
C. heat source
D. external pressure
Answer: | D |
null | Question: Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these?
Options:
A. lipid molecules
B. protein molecules
C. carbohydrate molecules
D. oxygen molecules
Answer: | C |
null | Question: During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was?
Options:
A. the same
B. much lower
C. none
D. much greater
Answer: | D |
null | Question: Which group of species is defined as having moist skin without scales?
Options:
A. mammals
B. amphibians
C. fish
D. reptiles
Answer: | B |
null | Question: What rock group offers the richest source of fossils?
Options:
A. sedimentary
B. geode
C. igneous
D. metamorphic
Answer: | A |
null | Question: Which zone is located below 200 meters from the surface?
Options:
A. epipelagic
B. mesopelagic
C. aphotic zone
D. observable zone
Answer: | C |
null | Question: What are the only plants with a life cycle in which the gametophyte generation is dominant?
Options:
A. vascular plants
B. nonvascular
C. nonpermeable
D. photoreactive
Answer: | B |
null | Question: Specific antigens on the surface of red blood cells determine what, which is important in cases of transfusion?
Options:
A. blood count
B. blood type
C. blood amount
D. blood form
Answer: | B |
null | Question: What is another term for scale worms?
Options:
A. trichina
B. spirogyra
C. wormidanopis
D. halkieria
Answer: | D |
null | Question: What is the main cause of recent global warming?
Options:
A. human beings
B. ice ages
C. solar flares
D. insect overpopulation
Answer: | A |
null | Question: The term science comes from a latin word that means?
Options:
A. only knowledge
B. having knowledge
C. were knowledge
D. having information
Answer: | B |
null | Question: Chemical reactions always involve what?
Options:
A. physical change
B. fuel
C. heating
D. energy
Answer: | D |
null | Question: Some spindle microtubules attach to the kinetochores of chromosomes and move the chromosomes to what plate?
Options:
A. boundary plate
B. metaphase plate
C. interstitium plate
D. prophase plate
Answer: | B |
null | Question: What do we call forces that act on the system from outside?
Options:
A. static
B. external
C. material
D. internal
Answer: | B |
null | Question: A major disturbance in what results in an episode of severe weather called a storm?
Options:
A. the core
B. the ozone layer
C. the atmosphere
D. the oceans
Answer: | C |
null | Question: What happens if a molecule forms strong bonds to the catalyst?
Options:
A. molecules gets poisoned
B. catalyst gets poisoned
C. membrane gets poisoned
D. surface gets poisoned
Answer: | B |
null | Question: When the air temperature reaches the dew point, water vapor starts to do what?
Options:
A. evaporate
B. condense
C. dissipate
D. germinate
Answer: | B |
null | Question: Where are pressure receptors mainly found?
Options:
A. the skin
B. the muscles
C. the nerves
D. the tissue
Answer: | A |
null | Question: The renal hilum is the entry and exit site for structures servicing which organs?
Options:
A. kidneys
B. ovaries
C. lungs
D. brains
Answer: | A |
null | Question: What element do plants use to store energy as atp?
Options:
A. carbon
B. nitrogen
C. oxygen
D. chlorophyll
Answer: | C |
null | Question: Fruit begins to ripen because what gas is released?
Options:
A. hydrogen
B. chloride
C. ethylene
D. sulfur
Answer: | C |
null | Question: Species distributions are a consequence of both ecological and evolutionary what?
Options:
A. isolation
B. particles
C. fluctuations
D. interactions
Answer: | D |
null | Question: Although some have suggested that the uvula is what type of organ, it actually serves an important purpose?
Options:
A. parietal
B. essential
C. vestigial
D. remnant
Answer: | C |
null | Question: In science, what can be described as a set of steps that help us to answer questions?
Options:
A. hypothesis
B. theory
C. scientific controls
D. scientific method
Answer: | D |
null | Question: What is beneath the cerebrum and includes the thalamus and hypothalamus?
Options:
A. rendalen
B. brain stem
C. diencephalon
D. subvocalization
Answer: | C |
null | Question: Recent evidence indicates some of what type of cells remain within the heart, continuing to divide and potentially replace dead cells?
Options:
A. osteoclast cells
B. human cells
C. dendritic cells
D. stem cells
Answer: | D |
null | Question: Insects are arthropods in which class?
Options:
A. xerophyte
B. lexapoda
C. trichina
D. hexapoda
Answer: | D |
null | Question: What type of joint is the knee joint?
Options:
A. ball joint
B. condyloid joint
C. hinge joint
D. pivot joint
Answer: | C |
null | Question: The nitrogen that enters living systems by nitrogen fixation is successively converted from organic nitrogen back into nitrogen gas by what?
Options:
A. viruses
B. algae
C. pollen
D. bacteria
Answer: | D |
null | Question: Both mitosis and meiosis result in eukaryotic cells doing what?
Options:
A. multiplication
B. friction
C. dividing
D. limiting
Answer: | C |
null | Question: Where can composite volcanoes most frequently be found?
Options:
A. divergent boundaries
B. astatine boundaries
C. transform boundaries
D. convergent boundaries
Answer: | D |
null | Question: A symporter carries how many different molecules or ions in the same direction?
Options:
A. three
B. one
C. four
D. two
Answer: | D |
null | Question: Ecology is a major branch of what higher-level "classification" of science?
Options:
A. physics
B. geology
C. chemistry
D. biology
Answer: | D |
null | Question: Nearly all protists exist in some type of aquatic environment, including freshwater and marine environments, damp soil, and even snow. several protist species are parasites that infect animals or plants. a few protist species live on dead organisms or their wastes, and contribute to what?
Options:
A. greenhouse gas
B. spontaneous mutation
C. habitat loss
D. their decay
Answer: | D |
null | Question: Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?
Options:
A. leading temperature
B. critical temperature
C. particular temperature
D. relaxed temperature
Answer: | B |
null | Question: What are diodes, transistors, and integrated circuits examples of?
Options:
A. radio parts
B. computer parts
C. machine parts
D. electronic components
Answer: | D |
null | Question: Both alpha and beta decay change the number of what in an atom's nucleus?
Options:
A. protons
B. Gamma decay
C. neutrons
D. electrons
Answer: | A |
null | Question: Which of the electromagnetic waves have the shortest wavelengths and highest frequencies?
Options:
A. ultraviolet
B. gamma
C. plasma
D. beta
Answer: | B |
null | Question: No-till farming is one effort to combat what, caused by typical farming practices?
Options:
A. pollution
B. drought
C. soil erosion
D. habitat destruction
Answer: | C |
null | Question: The process in which dna is copied is called what?
Options:
A. dna transfer
B. dna replication
C. dna splicing
D. dna duplication
Answer: | B |
null | Question: What kind of metals have perplexing patterns of electron distribution that don’t always follow the electron filling rules?
Options:
A. transition
B. transformation
C. variating
D. solution
Answer: | A |
null | Question: Weight refers to what force acting on a mass?
Options:
A. electronic
B. solar
C. gravitational
D. magnetic
Answer: | C |
null | Question: Where are protons and neutrons located?
Options:
A. secondary nucleus
B. orbitals
C. central nucleus
D. outside the nucleus
Answer: | C |
null | Question: What is the standard measurement for mass?
Options:
A. calories
B. volume
C. BMI
D. grams
Answer: | D |
null | Question: Wearing clothes that trap air next to your body on a cold day helps you retain what type of energy?
Options:
A. adjacent energy
B. alumal energy
C. thermal energy
D. caloric energy
Answer: | C |
null | Question: Pure nonpolar covalent bonds exist only between what?
Options:
A. two altered atoms
B. two identical atoms
C. two producing atoms
D. three altered atoms
Answer: | B |
null | Question: What chemicals in the liver support glucose homeostasis?
Options:
A. Force and insulin
B. lactobacilli and insulin
C. cytosol and insulin
D. glucagon and insulin
Answer: | D |
null | Question: Manganin is made up of metals that include copper, manganese and nickel - what do you generally call a metal of this type?
Options:
A. silicon
B. complex metal
C. alloy
D. mixed metal
Answer: | C |
null | Question: Not getting enough calcium may cause what health problem?
Options:
A. blindness
B. diabetes
C. osteoporosis
D. arthritis
Answer: | C |
null | Question: Hydrostatic skeletons are well suited for life in what kind of environments?
Options:
A. surface
B. bacterial
C. pelagic
D. aquatic
Answer: | D |
null | Question: What is the major source of warmth for earth?
Options:
A. seasons
B. the sun
C. the Moon
D. equator
Answer: | B |
null | Question: What are are organisms that feed on small pieces of organic matter?
Options:
A. difference feeders
B. deposit feeders
C. waste feeders
D. bottom feeders
Answer: | B |
null | Question: What do you call the lightless part of the ocean?
Options:
A. photic zone
B. Davy Jones' Locker
C. photoreactive zone
D. aphotic zone
Answer: | D |
null | Question: What kind of change occurs whenever matter changes into an entirely different substance with different chemical properties?
Options:
A. chemical change
B. reversible change
C. physical change
D. carbon change
Answer: | A |
null | Question: What is the term for the attraction between oppositely charged atoms or ions?
Options:
A. covalent bond
B. neutron bond
C. ionic bond
D. magnetic bond
Answer: | C |
null | Question: What is the health-threatening smoke exhaled by a cigarette smoker or released from tobacco products?
Options:
A. secondhand smoke
B. contamination smoke
C. secondary smoke
D. primary smoke
Answer: | A |
null | Question: In what area of the body are sutural bones found?
Options:
A. tooth
B. skin
C. skull
D. legs
Answer: | C |
null | Question: When a solute dissolves into a solvent what is that called?
Options:
A. mixing
B. viscosity
C. solubility
D. enthalpy
Answer: | D |
null | Question: Many cancers, as well as autism, are thought to have what component, which is certainly a factor in asthma?
Options:
A. critical
B. environmental
C. emotional
D. ecological
Answer: | B |
null | Question: Metals, metalloids, and nonmetals are the different classes of what?
Options:
A. elements
B. compounds
C. structures
D. ions
Answer: | A |
null | Question: Fluoride ion is widely used in water supplies to help prevent what?
Options:
A. rust
B. chlorine taste
C. tooth decay
D. bacteria
Answer: | C |
null | Question: Mixtures of materials called alloys contain at least one of what type of material?
Options:
A. coal
B. liquid
C. metal
D. steel
Answer: | C |
null | Question: What is the term for a system maintaining a stable internal environment in a changeable external environment?
Options:
A. homeostasis
B. fetus
C. Pregnant
D. hypothesis
Answer: | A |
null | Question: What term is used to describe the change in size or volume of a given mass with temperature?
Options:
A. thermal contraction
B. thermal expansion
C. freezing
D. atmospheric expansion
Answer: | B |
null | Question: Vinegar is an example of what type of acid?
Options:
A. carboxylic
B. ascorbic
C. acetic
D. carbonic
Answer: | A |
null | Question: Gravitropism ensures that roots grow into the soil and that shoots grow toward what?
Options:
A. the south pole
B. trees
C. the north pole
D. sunlight
Answer: | D |
null | Question: What term is used for any combination of two or more atoms?
Options:
A. molecule
B. nucleus
C. synthesis
D. element
Answer: | A |
null | Question: What is the atomic number of magnesium?
Options:
A. 8
B. 12
C. 17
D. 25
Answer: | B |
null | Question: Due to the difference in the distribution of charge, water is what type of molecule?
Options:
A. uneven
B. crooked
C. polar
D. ionic
Answer: | C |
null | Question: The leaves of what plant genus are the source of the compound ephedrine, which is used in medicine as a potent decongestant and is similar to amphetamines?
Options:
A. ephedra
B. Stimulant
C. additive
D. dietary
Answer: | A |
null | Question: What type of hydrocarbon is coal?
Options:
A. liqued
B. solid
C. gas
D. mineral
Answer: | B |
null | Question: What is an individual with more than the correct number of chromosome sets called?
Options:
A. diploid
B. polyploid
C. autosome
D. autotrophs
Answer: | B |
null | Question: Carbon released by burning fossil fuels contributes to what effect in the atmosphere?
Options:
A. shielding effect
B. cloud effect
C. smog effect
D. greenhouse effect
Answer: | D |
null | Question: Ocean water appears cyan because microbes in the water preferentially absorb what color of light?
Options:
A. yellow
B. blue
C. red
D. green
Answer: | C |
null | Question: What are atoms of the same element that differ in their numbers of neutrons called?
Options:
A. organisms
B. isotopes
C. opposites
D. reactions
Answer: | B |
null | Question: In their processes of gene expression, archael cells show similarties to both bacterial cells and which other type of cell?
Options:
A. chloroplasts
B. Prokaryotic
C. eukaryotic
D. plant cells
Answer: | C |
null | Question: What is another term for blood clotting?
Options:
A. oxidation
B. adulation
C. differentiation
D. coagulation
Answer: | D |
null | Question: What type of joint has the greatest range of motion?
Options:
A. Gliding
B. Pivot
C. ball-and-socket
D. Hinge
Answer: | C |
null | Question: When na 2 hpo 24 − (the weak acid) comes into contact with a strong base, such as sodium hydroxide (naoh), the weak acid reverts back to the weak base and produces what?
Options:
A. rock
B. water
C. air
D. plasma
Answer: | B |
null | Question: In the human body, what do you call the intersection where the paths for air and food cross.?
Options:
A. cloaca
B. pharynx
C. larynx
D. esophagus
Answer: | B |
null | Question: The cecum is the first part of what structure, where wastes in a liquid state enter from the small intestine?
Options:
A. large intestine
B. appendix
C. duodenum
D. esophagus
Answer: | A |
null | Question: Carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur are basic elements that form what type of compounds, which are vital to life?
Options:
A. hydrocarbons
B. amino acids
C. organic compounds
D. inorganic compounds
Answer: | C |
null | Question: What gas can be generated by reacting sodium bromide with elemental chlorine?
Options:
A. photons bromine gas
B. elemental bromine gas
C. gaseous bromine gas
D. Molecular Bromine Gas
Answer: | B |
null | Question: Sister chromatids separate as part of anaphase in what process?
Options:
A. mitosis
B. vesicles
C. osmosis
D. angiogenesis
Answer: | A |
null | Question: If pressure is exerted on the rock from one direction, the rock forms layers. this is called what?
Options:
A. foliation
B. protonation
C. sedimentation
D. stratification
Answer: | A |
null | Question: What type of tissue is blood?
Options:
A. nervous
B. connective
C. epithelial
D. muscular
Answer: | B |
null | Question: Fish have a circulatory system with a two-chambered what?
Options:
A. brain
B. heart
C. stomach
D. lung
Answer: | B |
null | Question: A diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width is called?
Options:
A. bar graph
B. pie chart
C. venn diagram
D. circle graph
Answer: | A |
null | Question: Name the closest living relatives of tetrapods?
Options:
A. shrimp
B. lumpfishes
C. spinefishes
D. lungfishes
Answer: | D |
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