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null | Question: What is an alloy of both tin and copper?
Options:
A. bronze
B. Cobalt
C. silver
D. Aluminium
Answer: | A |
null | Question: What is the term of a phase change if solid water has it's average kinetic energy increased to change it to liquid water?
Options:
A. evaporation
B. boiling
C. freezing
D. melting
Answer: | D |
null | Question: Heavier isotopes of plutonium are also produced when lighter plutonium nuclei capture what?
Options:
A. protons
B. electrons
C. molecules
D. neutrons
Answer: | D |
null | Question: What type of bonds only form in metals?
Options:
A. friction bonds
B. metallic bonds
C. liquid bonds
D. optical bonds
Answer: | B |
null | Question: The majority of species in the phylum chordata are found in what subphylum, which includes animals ranging from lampreys to mammals?
Options:
A. lophotrochozoa
B. tardigrada
C. vertebrates
D. organelles
Answer: | C |
null | Question: What are formed when cells from the male and female parts of the plant combine?
Options:
A. seeds
B. atoms.
C. varieties
D. trees
Answer: | A |
null | Question: What is the term used for the ability of salamanders to grow back lost limbs and other body parts?
Options:
A. extraction
B. regeneration
C. expansion
D. transformation
Answer: | B |
null | Question: What is the tail bone an example of?
Options:
A. parasitic structure
B. vestigial structure
C. invertebrate structure
D. primordial structure
Answer: | B |
null | Question: What flows across the membrane resulting in changes in the membrane potential?
Options:
A. ions
B. neutrons
C. acids
D. electrons
Answer: | A |
null | Question: What types of genes encode transcription factors?
Options:
A. isozyme genes
B. glycosyl transferases
C. homeobox genes
D. rohail genes
Answer: | C |
null | Question: Today, new elements are usually named after famous scientists. the names of the elements can be cumbersome to write in full, especially when combined to form the names of compounds. therefore, each element name is abbreviated as a one- or two-letter chemical this?
Options:
A. shorthand
B. notation
C. title
D. symbol
Answer: | D |
null | Question: How many types of glands does the dermis contain?
Options:
A. three
B. six
C. ten
D. two
Answer: | D |
null | Question: What term describes the number of items in a given area or volume?
Options:
A. concentration
B. density
C. alkalinity
D. fraction
Answer: | A |
null | Question: Loss of what eventually threatens other species not impacted directly, because of their interconnectedness; as species disappear from an ecosystem others are threatened by changes in available resources?
Options:
A. technology
B. climate
C. biodiversity
D. oxygen
Answer: | C |
null | Question: The process of a liquid becoming a gas is called boiling, while the process of a solid becoming a gas is called what?
Options:
A. sublimation
B. Melting
C. Boiling
D. vaporization
Answer: | A |
null | Question: What term that shows how fast a population is growing includes new members added to the population over a given period, as well as old members removed from the population?
Options:
A. birth rate
B. emigration
C. population density
D. growth rate
Answer: | D |
null | Question: After dispersal of a seed, what next step may occur if environmental conditions are favorable?
Options:
A. infection
B. bloom
C. germination
D. degradation
Answer: | C |
null | Question: What preventative measure is often delivered by injection into the arm?
Options:
A. vaccine
B. anesthesia
C. infection
D. medication
Answer: | A |
null | Question: The leaves of all of what type of plants have two basic parts in common: the blade and petiole?
Options:
A. perennials
B. evergreen
C. deciduous
D. flowering plants
Answer: | D |
null | Question: As roots grow longer they will always do what?
Options:
A. get larger
B. change direction
C. grow downward
D. get thicker
Answer: | C |
null | Question: Interactions between plants and other organisms result in cycling of chemical nutrients within what?
Options:
A. water
B. habitat
C. air
D. ecosystem
Answer: | D |
null | Question: What is required to move or change matter from one state to another?
Options:
A. energy
B. food
C. gravity
D. evolution
Answer: | A |
null | Question: What phase does the cell make final preparations to divide?
Options:
A. dioxide phase 2
B. growth phase 1
C. growth phase 2
D. carbonate phase 2
Answer: | C |
null | Question: What are used to write nuclear equations for radioactive decay?
Options:
A. trigonometric symbols
B. nuclear symbols
C. critical symbols
D. radioactive symbols
Answer: | B |
null | Question: Differences in density between water and air lead to differences in what?
Options:
A. sound
B. energy
C. pressure
D. resistance
Answer: | C |
null | Question: All species of crocodilians have similar body structures, including an elongated snout, powerful jaws, muscular tail, large protective scales, streamlined body, and eyes and nostrils that are positioned on what?
Options:
A. below the neck
B. side of head
C. top of head
D. back of head
Answer: | C |
null | Question: One species benefits while the host species is harmed in what type of relationship?
Options:
A. mutualism
B. parasitism
C. amensalism
D. fungal
Answer: | B |
null | Question: Angiosperm success is a result of two novel structures that ensure reproductive success: flowers and this?
Options:
A. ants
B. fruit
C. food
D. glass
Answer: | B |
null | Question: Solid balls of water and dust falling from the sky are known as?
Options:
A. snow
B. rain
C. golf balls
D. hail
Answer: | D |
null | Question: In hornworts, the horns are the sporophytes that rise up from what?
Options:
A. the leaflike gametophyte
B. the polyol gametophyte
C. the breaza gametophyte
D. the roots
Answer: | A |
null | Question: How many types of simple machines are there?
Options:
A. two types
B. three types
C. six types
D. ten types
Answer: | C |
null | Question: What type of cells are flagella rare in?
Options:
A. synthetic
B. cancer.
C. intracellular
D. eukaryotic
Answer: | D |
null | Question: What are structures that have a common function and suggest common ancestry?
Options:
A. monogamous structures
B. homologous structures
C. analogous structures
D. reversible structures
Answer: | B |
null | Question: The solubility of gases, liquids, and solids are affected by changes in what?
Options:
A. friction
B. volume
C. temperature
D. elevation
Answer: | C |
null | Question: A small scale version of what type of map displays individual rock units?
Options:
A. geographic map
B. geologic map
C. polar map
D. seismic map
Answer: | B |
null | Question: When the monocilia are defective, what is disrupted?
Options:
A. triggering
B. predicting
C. inhibiting
D. signaling
Answer: | D |
null | Question: The chemistry of each element is determined by its number of what?
Options:
A. protons and electrons
B. electrons and neutrons
C. nuclei and neutrons
D. protons and neutrons
Answer: | A |
null | Question: What are the two metals within a battery called?
Options:
A. anode and a cathode
B. anode and diode
C. anode and sheath
D. sheath and a cathode
Answer: | A |
null | Question: What is the ideal mechanical advantage in the single fixed pulley?
Options:
A. 1
B. 2
C. zero
D. 4
Answer: | A |
null | Question: Unlike other tetrapod vertebrates (reptiles, birds, and mammals), amphibians do not produce what type of eggs?
Options:
A. umbilical
B. prokaryotic
C. epithelial
D. amniotic
Answer: | D |
null | Question: At how many places does points source pollution enter water?
Options:
A. two
B. three
C. one
D. four
Answer: | C |
null | Question: What do carnivores eat?
Options:
A. ice
B. animals
C. plants
D. algae
Answer: | B |
null | Question: Vertebrates have evolved more complex digestive systems, with some species having multi-chambered types of what organ?
Options:
A. heart
B. skin
C. respiratory
D. stomach
Answer: | D |
null | Question: In the case of the moose, predation is an additional factor that regulates what?
Options:
A. population
B. color
C. speed
D. weight
Answer: | A |
null | Question: The first line of defense includes mechanical, chemical, and which other barrier?
Options:
A. surgical
B. independent
C. physical
D. biological
Answer: | D |
null | Question: Antibodies also mark pathogens for destruction by which cells?
Options:
A. phagocytic
B. interferons
C. platelets
D. leukocytes
Answer: | A |
null | Question: Constantly going through some form of growth and repair is a characteristic of all what?
Options:
A. living things
B. bacteria
C. viruses
D. mass
Answer: | A |
null | Question: What is the opposite of melting?
Options:
A. evaporation
B. liquidation
C. compression
D. freezing
Answer: | D |
null | Question: Wearing what will reduce the amplitude of sound waves entering the ears?
Options:
A. goggles
B. hearing protectors
C. megaphone
D. hardhat
Answer: | B |
null | Question: In animal cells, what arises from the centrosomes and includes spindle microtubules and asters?
Options:
A. the spindle
B. DNA helix
C. Golgi apparatus
D. ribosomes
Answer: | A |
null | Question: What type of winds blow over a limited area?
Options:
A. hurricanes
B. local winds
C. gales
D. trade winds
Answer: | B |
null | Question: How can you prevent diseases such as whooping cough and flu?
Options:
A. preventive vaccinations
B. nutrition
C. exercise
D. vacuuming
Answer: | A |
null | Question: Why is a synthetic diamond not considered a mineral?
Options:
A. Minerals must not occur naturally.
B. minerals must be created naturally
C. interactions must be created naturally
D. fluctuations must be created naturally
Answer: | B |
null | Question: Some compounds form rigid frameworks called what?
Options:
A. crystals
B. grids
C. ions
D. chemicals
Answer: | A |
null | Question: The presence of what makes soil hold together more tightly and enables it to hold more water?
Options:
A. salt
B. sand
C. clay
D. glass
Answer: | C |
null | Question: Three ways that waves may interact with matter are reflection, refraction, and what?
Options:
A. distortion
B. diffraction
C. dispose
D. absorption
Answer: | B |
null | Question: What type of particles do acids release, by definition?
Options:
A. fission ions
B. nucleic acids
C. quarks
D. hydrogen ions
Answer: | D |
null | Question: What kind of light bulb contains a thin wire filament made of tungsten that gets hot and glows?
Options:
A. incandescent
B. fluorescent
C. LED
D. black light
Answer: | A |
null | Question: At equilibrium reactants and what are equally abundant?
Options:
A. proactives
B. minerals
C. results
D. products
Answer: | D |
null | Question: What term is used to describe modern seed plants that produce seeds in cones?
Options:
A. angiosperms
B. gymnosperms
C. deciduous
D. perennials
Answer: | B |
null | Question: What force is caused by microscopic bumps, lumps, and imperfections colliding?
Options:
A. gravitational
B. tension
C. friction
D. motion
Answer: | C |
null | Question: What type of acid is an organic compound that is built of small units called nucleotides?
Options:
A. nucleic acid
B. carbolic acid
C. citric acid
D. boundary acid
Answer: | A |
null | Question: What is the term for a very rapid motor response that is not directed by the brain?
Options:
A. reflex
B. adaptation
C. sensor
D. instinct
Answer: | A |
null | Question: What is the simple sugar that living things us to store energy?
Options:
A. brown
B. glucose
C. chloride
D. nicotine
Answer: | B |
null | Question: What do organisms need to speed up biochemical reactions?
Options:
A. hormones
B. enzymes
C. genes
D. carbohydrates
Answer: | B |
null | Question: What do you call a reaction that consumes energy as it is carried out?
Options:
A. autotrophic
B. exothermic
C. unstable
D. endothermic
Answer: | D |
null | Question: In the lungs, air is diverted into smaller and smaller passages called what?
Options:
A. ectoderm
B. alveoli
C. ion channels
D. bronchi
Answer: | D |
null | Question: In mammals, hair or fur help conserve bodily what?
Options:
A. heat
B. energy
C. food
D. water
Answer: | A |
null | Question: All other forms of life, including plants and animals, are composed of what kind of cells?
Options:
A. bacterial
B. eukaryotic
C. cytoplasmic
D. synthetic
Answer: | B |
null | Question: What are the male reproductive cells called?
Options:
A. plasma
B. ova
C. sperm
D. mucus
Answer: | C |
null | Question: What phylum includes sponges, which are aquatic invertebrates?
Options:
A. hymenoptera
B. chordata
C. porifera
D. mollusca
Answer: | C |
null | Question: What can reproduce by infecting the cell of a living host?
Options:
A. bacteria
B. carcinogens
C. virus
D. mucus
Answer: | C |
null | Question: What is the oxygen carrying component of red blood cells called?
Options:
A. hemoglobin
B. molecule
C. platlet
D. mitochondria
Answer: | A |
null | Question: What is the only continent without amphibians?
Options:
A. Europe
B. antarctica
C. Australia
D. Africa
Answer: | B |
null | Question: What part of the brain regulates certain hormones associated with reproduction during breeding seasons?
Options:
A. hippocampus
B. thalamus
C. hypothalamus
D. frontal lobe
Answer: | C |
null | Question: The earliest cells were called what?
Options:
A. eukaryotes
B. carbohydrates
C. prokaryotes
D. microcytes
Answer: | C |
null | Question: What two systems are the lungs part of?
Options:
A. stomach and excretory
B. respiratory and excretory
C. heart and excretory
D. stomach and nervous
Answer: | B |
null | Question: Through a process called electromagnetic induction, generators change what energy form of a spinning turbine to electrical energy?
Options:
A. seismic
B. electric
C. kinetic
D. potential
Answer: | C |
null | Question: Each hemisphere of the brain contains regions called what that are involved in different functions?
Options:
A. lobes
B. chambers
C. nodes
D. folds
Answer: | A |
null | Question: Unlike energy, what doesn’t need to be constantly added to ecosystems because it is recycled through ecosystems?
Options:
A. water
B. matter
C. nutrients
D. vapor
Answer: | B |
null | Question: What kind of proteins either activate or deactivate the transcription of other genes?
Options:
A. master complex proteins
B. carbon proteins
C. perfect regulatory proteins
D. master regulatory proteins
Answer: | D |
null | Question: Which is the most common sti (sexually transmitted infection) in the united states?
Options:
A. chlamydia
B. syphilis
C. giardia
D. AIDS
Answer: | A |
null | Question: What is the plane that divides the body or an organ vertically into right and left sides?
Options:
A. anatomical plane
B. median plane
C. sagittal plane
D. parasagittal plane
Answer: | C |
null | Question: What are the two types of digestive systems invertebrates may have?
Options:
A. complete and fluid
B. complete and incomplete
C. gastric and monogastric
D. complete and simple
Answer: | B |
null | Question: All alkaline earth metals have similar properties because they all have two what?
Options:
A. transitions electrons
B. caesium electrons
C. balanced electrons
D. valence electrons
Answer: | D |
null | Question: Density is considered what type of property, because it does not depend on the amount of material present in the sample?
Options:
A. exensive property
B. independent variable
C. experimental property
D. intensive property
Answer: | D |
null | Question: What does a virus inject into the host cell?
Options:
A. cells acid
B. nucleic acid
C. proteins acid
D. Acetic acid
Answer: | B |
null | Question: A fuel cell is a galvanic cell that requires a constant external supply of what?
Options:
A. electricity
B. generators
C. reactants
D. complexes
Answer: | C |
null | Question: What is the point on the ground that is located directly above where underground rocks fracture (or the "focus" point)?
Options:
A. seismic point
B. danger zone
C. fault line
D. epicenter
Answer: | D |
null | Question: The purpose of any cooling system is to transfer what type of energy in order to keep things cool?
Options:
A. atmospheric
B. physical
C. radiation
D. thermal
Answer: | D |
null | Question: What falls roughly in the middle of the electromagnetic spectrum, having shorter wavelengths and higher frequencies than microwaves, but not as short and high as x rays?
Options:
A. ultraviolet light
B. radio waves
C. gamma rays
D. light
Answer: | D |
null | Question: An atom is the smallest unit of what that maintains the identity of the latter?
Options:
A. mixture
B. organism
C. element
D. cell
Answer: | C |
null | Question: What do we call an interruption in the normal conduction pathway of the heart?
Options:
A. heartburn
B. heart attack
C. infarction
D. heart block
Answer: | D |
null | Question: The chloroplast integrates the two stages of what process?
Options:
A. breathing
B. photosynthesis
C. defacation
D. polarization
Answer: | B |
null | Question: The binding of an antigen receptor to an epitope initiates events that activate the?
Options:
A. endothelial
B. lymphocyte
C. dendritic
D. monocyte
Answer: | B |
null | Question: What else besides temperature has an effect on the phase of a substance?
Options:
A. weight
B. resistance
C. energy
D. pressure
Answer: | D |
null | Question: A turbine using tides in the ocean can create what type of energy?
Options:
A. diffused
B. electricity
C. conversion
D. kinetic
Answer: | B |
null | Question: What two structures are found on mars?
Options:
A. Trees and Canyons
B. Mountains and Creeks
C. volcanoes and canyons
D. geysers and canyons
Answer: | C |
null | Question: Dutch elm trees used to be common, beautiful trees in the united states. now most of them have been killed by what?
Options:
A. cancer
B. beetles
C. dutch elm disease
D. carbon dioxide
Answer: | C |
null | Question: What type of climate is found mostly near the equator?
Options:
A. cool tropical
B. hot dessert
C. warm tropical
D. warm subtropical
Answer: | C |
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