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null | Question: What is used during every step of oil production, from exploration to distribution?
Options:
A. water
B. robots
C. energy
D. coal
Answer: | C |
null | Question: What type of radiation from the sun reaches earth across space striking everything on earth’s surface?
Options:
A. particle
B. static
C. electromagnetic
D. seismic
Answer: | C |
null | Question: Eukaryotic cells undergo what kinds of divisions that more primitive cells do not?
Options:
A. mitosis
B. meiosis
C. homologous
D. budding
Answer: | A |
null | Question: What are single-celled or colonial organisms that do not have membranebound nuclei?
Options:
A. viruses
B. prokaryotes
C. arthropods
D. eukaryotes
Answer: | B |
null | Question: The existence of what tiny, fundamental particles of matter was first proposed in the 1960s?
Options:
A. neutrons
B. quarks
C. atoms
D. molecules
Answer: | B |
null | Question: Mount kilimanjaro has ________ climates at the top and bottom?
Options:
A. different
B. dangerous
C. similar
D. rainy
Answer: | A |
null | Question: What is the best room in the home to start saving water?
Options:
A. the bathroom
B. the bedroom
C. the kitchen
D. the basement
Answer: | A |
null | Question: When wood is burned what kind of energy allows the wood to burn?
Options:
A. radiation
B. physical
C. carbon
D. chemical
Answer: | D |
null | Question: Our sun is on the main sequence, like most stars, and it is classified by what colorful name?
Options:
A. blue dwarf
B. white dwarf
C. red dwarf
D. yellow dwarf
Answer: | D |
null | Question: Do vascular or nonvascular plants lack tracheids?
Options:
A. nonvascular
B. both do
C. vascular
D. neither do
Answer: | A |
null | Question: What is always conserved in chemical reactions?
Options:
A. mass
B. bonds
C. energy
D. force
Answer: | A |
null | Question: In sexually reproducing organisms, parents pass a copy of each type of what to their offspring by producing gametes?
Options:
A. chromosome
B. molecule
C. genome
D. phenotype
Answer: | A |
null | Question: What are the specialized cells within the brain called?
Options:
A. electrons
B. protons
C. neurons
D. ions
Answer: | C |
null | Question: The svedberg unit is a measure of the rate of what, which is tested in a centrifuge?
Options:
A. secretion
B. temperature
C. sedimentation
D. precipitation
Answer: | C |
null | Question: Which muscular organ pumps blood all around your body?
Options:
A. stomach
B. pancreas
C. heart
D. lungs
Answer: | C |
null | Question: What type of organisms are helpless at birth and require lots of help from their parents?
Options:
A. multicellular organisms
B. Microorganisms
C. precocial organisms
D. altricial organisms
Answer: | D |
null | Question: What are hydrocarbons that contain only single bonds between carbon atoms called?
Options:
A. unsaturated hydrocarbons
B. saturated hydrocarbons
C. carcinogenic hydrocarbons
D. caloric hydrocarbons
Answer: | B |
null | Question: The esophagus runs a mainly straight route through the mediastinum of what?
Options:
A. stomach
B. liver
C. thorax
D. lungs
Answer: | C |
null | Question: Transport of water and solutes in plants water potential is a measure of the difference in potential energy between a water sample and this?
Options:
A. pure water
B. salty water
C. dirty water
D. green water
Answer: | A |
null | Question: Blood flows from the right atrium to the right ventricle, where it is pumped into the what?
Options:
A. bronchial circulation
B. kidneys
C. respiratory system
D. pulmonary circuit
Answer: | D |
null | Question: The major component of a solution is called what?
Options:
A. solvent
B. solute
C. water
D. mixture
Answer: | A |
null | Question: Providing evidence of their ancestry, some species of what legless animals retain vestigial pelvic and limb bones?
Options:
A. sharks
B. snakes
C. whales
D. dolphins
Answer: | B |
null | Question: How do the male gorillas show display behaviors?
Options:
A. showing aggression
B. food gathering
C. vocalization
D. spontaneous mutation
Answer: | A |
null | Question: The temporomandibular joint (tmj) is the joint that allows for opening (mandibular depression) and closing (mandibular elevation) of this?
Options:
A. nose
B. mouth
C. ears
D. eyes
Answer: | B |
null | Question: Archaeal cell walls contain a variety of polysaccharides and proteins but lack what?
Options:
A. peptidoglycan
B. DNA
C. RNA
D. S-layers
Answer: | A |
null | Question: In resting neurons, the plasma membrane has many open potassium channels but few open of which other channels?
Options:
A. sulfur
B. sodium
C. silicon
D. oxygen
Answer: | B |
null | Question: What help should you use for disposing hazardous products?
Options:
A. first aid kit
B. guidelines on label
C. call poison control
D. biohazard unit
Answer: | B |
null | Question: What makes nobel gases unreactive?
Options:
A. its electon configuration
B. fusion
C. chemical reaction
D. magnetism
Answer: | A |
null | Question: What are cyclic compounds which have an element other than carbon atoms in the ring?
Options:
A. polymeric compounds
B. axial compounds
C. homocyclic compounds
D. heterocyclic compounds
Answer: | D |
null | Question: What promotes cell division and are necessary for growing plants in tissue culture?
Options:
A. auxins
B. cytokinins
C. polyamines
D. mitochondria
Answer: | B |
null | Question: What is the nervous tissue in the brain and in the rest of the nervous system made up of?
Options:
A. neurons
B. ions
C. plastic
D. electrons
Answer: | A |
null | Question: The three units of kpa, atm or mmhg commonly measure what?
Options:
A. energy
B. resistance
C. pressure
D. weight
Answer: | C |
null | Question: Silk and cotton are examples of what kind of fiber?
Options:
A. artificial
B. pure
C. simple
D. natural
Answer: | D |
null | Question: What is destroying the layer of good ozone?
Options:
A. greenhouse gas
B. climate change
C. air pollution
D. water pollution
Answer: | C |
null | Question: Ionic bonds are what kind of attraction between ions?
Options:
A. kinetic
B. nuclear
C. electrostatic
D. magnetic
Answer: | C |
null | Question: The resultant solution will contain the same amount of solute but a greater amount of what?
Options:
A. liquid
B. pigment
C. calcium
D. solvent
Answer: | D |
null | Question: What is glucose used for the bacteria?
Options:
A. fuel
B. reproduction
C. food
D. energy
Answer: | C |
null | Question: What helps amplify the effects of extracellular signals?
Options:
A. enzymatic cascades
B. spontaneous cascades
C. mutation cascades
D. electrical cascades
Answer: | A |
null | Question: Elements are either metals, nonmetals, or what?
Options:
A. semimetals
B. unstable metals
C. reactive metals
D. partial metals
Answer: | A |
null | Question: A diploid zygote is formed when one sperm does what?
Options:
A. fertilizes the egg
B. cracks the egg
C. repels the egg
D. incapacitates the egg
Answer: | A |
null | Question: What happens when mammals raise their hair with tiny muscles in the skin?
Options:
A. bleeding
B. bruising
C. goosebumps
D. balding
Answer: | C |
null | Question: Chloroplasts are present only in cells of eukaryotes capable of what process?
Options:
A. digestion
B. hydrolysis
C. sexual reproduction
D. photosynthesis
Answer: | D |
null | Question: What element is a biochemical compound based on?
Options:
A. nitrogen
B. oxygen
C. hydrogen
D. carbon
Answer: | D |
null | Question: What occurs when individuals of different species strive for a limited resource in the same area?
Options:
A. vegetal competition
B. interspecific competition
C. intraspecific competition
D. asexual competition
Answer: | B |
null | Question: What are passed from one generation to the next so species can survive?
Options:
A. mutations
B. adaptatioins
C. fluctuations
D. selections
Answer: | B |
null | Question: What is the invisible force that pulls things to earth?
Options:
A. momentum
B. gravity
C. motion
D. electromagnetism
Answer: | B |
null | Question: What are the specialized cells that sponges have?
Options:
A. blood cells
B. tune cells
C. magnet cells
D. collar cells
Answer: | D |
null | Question: What is the fundamental unit of structure and function in all living organisms?
Options:
A. the backbone
B. the spinal cord
C. the cell
D. the vessels
Answer: | C |
null | Question: Collagen fibers, elastic fibers, and reticular fibers comprise what type of tissue?
Options:
A. nucleus tissue
B. intestine tissue
C. skin tissue
D. connective tissue
Answer: | D |
null | Question: What are sudden and dramatic losses of biodiversity called?
Options:
A. explosive extinction
B. mass extinction
C. normal extinction
D. life extinction
Answer: | B |
null | Question: Fertilizer runoff can create what type of zones in the ocean?
Options:
A. fresh zones
B. hot zones
C. barren zones
D. dead zones
Answer: | D |
null | Question: What is the wavelength of light expressed in?
Options:
A. nanoseconds
B. millimeters
C. vatts
D. nanometers (nm)
Answer: | D |
null | Question: What water is about 3.5% salt?
Options:
A. fresh water
B. glacial water
C. seawater
D. spring water
Answer: | C |
null | Question: What do you call the transfer of thermal energy?
Options:
A. precipitation
B. formation
C. humidity
D. heat
Answer: | D |
null | Question: Oxides of small, highly charged ions of what type tend to be acidic?
Options:
A. plastic
B. metal
C. steel
D. liquid
Answer: | B |
null | Question: Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose?
Options:
A. moving heat
B. harnessing heat
C. losing heat
D. generating heat
Answer: | D |
null | Question: What type of graph is useful for showing percents of a whole?
Options:
A. gnomic graphs
B. bar graphs
C. circle graphs
D. shift graphs
Answer: | C |
null | Question: What is the smallest main part of the brain?
Options:
A. the cortex
B. the stem
C. the cerebellum
D. the claw
Answer: | B |
null | Question: What is the tissue beneath a mollusks' shell called?
Options:
A. cartilage
B. skin
C. mantle
D. mucous
Answer: | C |
null | Question: What kind of mammalian reproduction is risky for the offspring but not the mother?
Options:
A. asexual
B. monotreme
C. sexual
D. cactaceae
Answer: | B |
null | Question: The types of white blood cells that arrive at an inflamed site depend on the nature of what?
Options:
A. blood type
B. injury or infection
C. skin color
D. genes
Answer: | B |
null | Question: What is the largest organelle in a eukaryotic cell?
Options:
A. mitochondria
B. vacuole
C. nucleus
D. ribosome
Answer: | C |
null | Question: What force pulls bodies with mass together?
Options:
A. gravity
B. thermal
C. isolation
D. solar
Answer: | A |
null | Question: A plant that forms special tissues for storing water in an arid climate is an example of the plant evolving what?
Options:
A. adaptations
B. divergence
C. consciousness
D. additions
Answer: | A |
null | Question: In the water molecule, two of the electron pairs are lone pairs rather than what?
Options:
A. acid pairs
B. bonding ions
C. ions pairs
D. bonding pairs
Answer: | D |
null | Question: Which type of electrons plays the most important role in chemical reactions?
Options:
A. transition
B. valence
C. intermediate
D. noncovalent
Answer: | B |
null | Question: All living organisms are classified into one of six broad categories called what?
Options:
A. kingdoms
B. cities
C. tribes
D. nobles
Answer: | A |
null | Question: Esters are neutral compounds that undergo what process, which is a reaction with water?
Options:
A. hydrolysis
B. cellular respiration
C. osmosis
D. replication
Answer: | A |
null | Question: Which region of dna consists of one or more genes that encode the proteins needed for a specific function?
Options:
A. mRNA
B. chromosome
C. operon
D. antigen
Answer: | C |
null | Question: Hemoglobin is responsible for transporting what within our blood?
Options:
A. water
B. oxygen
C. nitrogen
D. dioxide
Answer: | B |
null | Question: The fuel rods are made of a corrosion-resistant alloy that encases the partially enriched uranium fuel; controlled fission of 235u in the fuel produces heat. water surrounds the fuel rods and moderates this?
Options:
A. half-life
B. electromagnetism
C. kinetic energy
D. thermal energy
Answer: | C |
null | Question: What sort of issues can be determined by looking for certain particles in amniotic fluid?
Options:
A. genetic disorders
B. artificial disorders
C. organic disorders
D. impossible disorders
Answer: | A |
null | Question: The sex of developing crocodilians is determined by what during incubation?
Options:
A. the location of the eggs
B. the temperature of the eggs
C. the color of the eggs
D. the size of the eggs
Answer: | B |
null | Question: An excellent solvent that holds heat well and allows hydrogen bonds, what substance has many properties critical to life?
Options:
A. water
B. blood
C. liquid
D. plasma
Answer: | A |
null | Question: What is thought to be the oldest eukaryotes?
Options:
A. arthropods
B. prokaryotes
C. protists
D. amoebas
Answer: | C |
null | Question: In a medium, the closer the distribution of the material gets to what state, the slower the rate of diffusion becomes?
Options:
A. gas
B. elastic
C. erosion
D. equilibrium
Answer: | D |
null | Question: What type of living things break down dead organisms and recycle their nutrients into the soil?
Options:
A. decomposers
B. probiotics
C. producers
D. consumers
Answer: | A |
null | Question: What term is used to describe elements with unstable nuclei?
Options:
A. radioactive
B. waste
C. explosive
D. larvae
Answer: | A |
null | Question: What measures the amount of matter in an object?
Options:
A. concentrations
B. amounts
C. mass
D. weight
Answer: | C |
null | Question: Oysters require a certain minimum population density because they must be in close proximity to do this?
Options:
A. feed
B. multiply
C. reproduce
D. replicate
Answer: | C |
null | Question: Plants produce their own sugars and other food molecules through what process?
Options:
A. hydrogenesis
B. photosynthesis
C. glycolysis
D. spermatogenesis
Answer: | B |
null | Question: What is the name for the male reproductive organs or gonads?
Options:
A. ovaries
B. anus
C. nucleus
D. testes
Answer: | D |
null | Question: Most chromosomal disorders involve which chromosomes?
Options:
A. sex chromosomes
B. protosomes
C. ribosomes
D. autosomes
Answer: | A |
null | Question: What is the science of how living things interact with each other and their environment?
Options:
A. compatibility
B. biology
C. zoology
D. ecology
Answer: | D |
null | Question: In statistics a boundary on the precision and accuracy is known as what?
Options:
A. instance
B. error
C. median
D. frequency
Answer: | B |
null | Question: Within each sporangium, hundreds of what kind of spores develop and are dispersed through the air?
Options:
A. haploid
B. diploid
C. polyploid
D. infertile
Answer: | A |
null | Question: What do eukaryotic cells have that compartmentalize their functions?
Options:
A. cytoplasm
B. cell walls
C. vacuoles
D. internal membranes
Answer: | D |
null | Question: How many membranes form the mitochondrion structure of a cell?
Options:
A. two
B. five
C. one
D. three
Answer: | A |
null | Question: Humans building communities to make survival easier is an example of humans as a species changing their what?
Options:
A. evolution
B. climate
C. environment
D. instinctive behavior
Answer: | C |
null | Question: In sexual reproduction, the fusion of haploid gametes forms a diploid cell called what?
Options:
A. gamete
B. zygote
C. gonad
D. fetus
Answer: | B |
null | Question: What is the name for a heterotroph that eats only or mainly animal foods?
Options:
A. macrophage
B. herbivore
C. carnivore
D. omnivore
Answer: | C |
null | Question: In most fungi, the haploid nuclei contributed by each parent do not do what right away?
Options:
A. filter
B. disperse
C. fuse
D. vaporize
Answer: | C |
null | Question: What is the branch of science that studies the physical world?
Options:
A. Ecology
B. physics
C. botany
D. social science
Answer: | B |
null | Question: Humans are among the most versatile of mammals with what type of diet?
Options:
A. herbivore
B. carnivore
C. vegetarian
D. omnivore
Answer: | D |
null | Question: What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system?
Options:
A. asteroids
B. meteorites
C. particles
D. comets
Answer: | B |
null | Question: Mechanical energy can also usually be expressed as the sum of kinetic energy and what other kind of energy?
Options:
A. potential energy
B. reflective energy
C. partial energy
D. directional energy
Answer: | A |
null | Question: What do erythrocytes carry and deliver to tissues in the body?
Options:
A. Helium
B. oxygen
C. oxide
D. carbon
Answer: | B |
null | Question: Eggs and sperm are not somatic cells but instead what kind of cells?
Options:
A. Sickness
B. germ
C. toxins
D. pollen
Answer: | B |
null | Question: Why do adult herbivores in a herd surround their young?
Options:
A. to protect them from other adult herbivores
B. to show them love
C. to protect them as they are vulnerable to predators
D. to keep them warm on long cold nights
Answer: | C |
null | Question: What heisenberg principle imposes ultimate limits on what is knowable in science?
Options:
A. vacuum principle
B. certainty principle
C. impossibility principle
D. uncertainty principle
Answer: | D |
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