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null | Question: Cells that undergo cell division continue to have their telomeres shortened, thus telomere shortening is associated with what life process?
Options:
A. reproduction
B. reducing
C. metabolism
D. aging
Answer: | D |
null | Question: When you burn wood into ash or burn a marshmallow to become brown and crispy, it is impossible to undo. this change is known as what?
Options:
A. carbon change
B. physical change
C. compounding change
D. chemical change
Answer: | D |
null | Question: What can be described in terms of physical properties and chemical properties as well as its defining states?
Options:
A. mass
B. energy
C. matter
D. empty space
Answer: | C |
null | Question: The hexapoda subphylum includes mainly what type of animal?
Options:
A. spiders
B. mammals
C. birds
D. insects
Answer: | D |
null | Question: Found in many electric devices, what is a coil of wire wrapped around a bar of iron or other ferromagnetic material?
Options:
A. battery
B. actuator
C. electromagnet
D. superconductor
Answer: | C |
null | Question: Genetic equilibrium occurs when what process doesn't exist within the population?
Options:
A. evolution
B. movement
C. variation
D. reproduction
Answer: | A |
null | Question: What does increased temperature cause the volume to do in a gas?
Options:
A. disappear
B. decrease
C. halve
D. increase
Answer: | D |
null | Question: The force that a magnet exerts on certain materials is called what?
Options:
A. centripetal force
B. velocity force
C. stellar force
D. magnetic force
Answer: | D |
null | Question: Very large stars eventually become what extremely dense space regions, which are so dense that no light can escape from them?
Options:
A. worm holes
B. dark matter
C. moons
D. black holes
Answer: | D |
null | Question: The epidermis is made of which closely packed cells?
Options:
A. cancer cells
B. muscle cells
C. epithelial cells
D. nerve cells
Answer: | C |
null | Question: Where do streams often start?
Options:
A. mountains
B. oceans
C. valleys
D. plains
Answer: | A |
null | Question: How is communication initiated and maintained with spacecraft?
Options:
A. radio waves
B. sonar
C. telegraph
D. wi-fi
Answer: | A |
null | Question: Adding a solute does what to the boiling point of a pure solvent?
Options:
A. increases it
B. no effect
C. reduces it
D. silences it
Answer: | A |
null | Question: What part of the brain controls body position, coordination, and balance?
Options:
A. brain stem
B. cerebellum
C. right brain
D. cerebrum
Answer: | B |
null | Question: What are the four stages of food processing?
Options:
A. ingestion, digestion, absorption, and elimination
B. ingestion, reproduction, absorption, and elimination
C. ingestion, digestion, absorption, and reproduction
D. ingestion, digestion, elimination and extinction
Answer: | A |
null | Question: What is the term for physicians and scientists who research and develop vaccines and treat and study conditions ranging from allergies to aids?
Options:
A. vaccinologists
B. virologists
C. immunologists
D. endocrinologists
Answer: | C |
null | Question: At which location is the earth hottest?
Options:
A. seabed
B. desert
C. meridian
D. equator
Answer: | D |
null | Question: What is the active ingredient in cloves?
Options:
A. eugenol
B. thiamine
C. nicotine
D. methyl
Answer: | A |
null | Question: Shedding of dead cells ensures constant renewal of what outer layer of the skin?
Options:
A. cuticle
B. dermis
C. epidermis
D. scale
Answer: | C |
null | Question: What force is responsible for erosion by flowing water and glaciers?
Options:
A. electromagnetic
B. weight
C. gravity
D. kinetic
Answer: | C |
null | Question: The ordovician-silurian extinction event is the first recorded mass extinction and the second largest. during this period, about what percent of marine species went extinct?
Options:
A. 99 percent
B. 40 percent
C. 85 percent
D. 10 percent
Answer: | C |
null | Question: Because conifers carry both male and female sporophylls on the same mature sporophyte, they are considered what type of plant?
Options:
A. monoecious
B. siliceous
C. dioecious
D. bioecious
Answer: | A |
null | Question: What is the name of the process where light is produced without heat?
Options:
A. radiation
B. fluorescence
C. luminescence
D. effervescence
Answer: | C |
null | Question: Similarity in biochemicals, like the glucose used by virtually all living things for energy, provides evidence of what?
Options:
A. variation
B. DNA
C. gravity
D. evolution
Answer: | D |
null | Question: The single circular dna chromosome of bacteria is not enclosed in what, but instead occupies a specific location called the nucleoid within the cell?
Options:
A. atom
B. nucleus
C. protons
D. molecules
Answer: | B |
null | 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. pelvis
B. Chest
C. lungs
D. tissues
Answer: | A |
null | Question: What is corrosive mixture is formulated by the combination of water, air and sulfur?
Options:
A. sulfuric water
B. hydrochloric acid
C. sulfuric acid
D. nitric acid
Answer: | C |
null | Question: How will global warming eliminate some islands and reduce the area of others?
Options:
A. lower sea levels
B. unafect sea levels
C. raise sea levels
D. affect sea levels
Answer: | C |
null | Question: What does the precise pattern of a crystal depend on?
Options:
A. compound
B. mass
C. age
D. chance
Answer: | A |
null | Question: What is the base of nearly all food chains on earth?
Options:
A. photosynthesis
B. synthesis
C. glycolysis
D. atherosclerosis
Answer: | A |
null | Question: What part of an atom is positive due to the presence of positively charged protons?
Options:
A. Proton
B. Electron
C. nucleus
D. Neutron
Answer: | C |
null | Question: What is manufactured and added to foods to preserve freshness?
Options:
A. vitamin c
B. carbohydrates
C. trans fat
D. protein
Answer: | C |
null | Question: What is the only light that humans can see?
Options:
A. distinct light
B. bright light
C. dark light
D. visible light
Answer: | D |
null | Question: Sexually reproducing organisms alternate between which stages?
Options:
A. binary and diploid
B. diploid and traploid
C. binary and haploid
D. haploid and diploid
Answer: | D |
null | Question: When do cells acquire different identities in an ordered spatial arrangement?
Options:
A. during morphogenesis
B. before morphogenesis
C. larval stage
D. during mitosis
Answer: | A |
null | Question: How many stomach compartments do ruminants have?
Options:
A. four
B. two
C. seven
D. five
Answer: | A |
null | Question: Compounds that are capable of accepting electrons, such as o 2 or f2, are called what?
Options:
A. oxidants
B. residues
C. Oxygen
D. antioxidants
Answer: | A |
null | Question: What is the reaction called when an acid and a base react?
Options:
A. neutralization
B. oxidation
C. activation
D. decomposition
Answer: | A |
null | Question: Exemplified by organisms that grow in geysers, hyperthermophiles "love" what?
Options:
A. heat
B. humidity
C. cold
D. rainfall
Answer: | A |
null | Question: Photoautotrophs use what energy source to self-manufacture their own food?
Options:
A. water
B. chlorophyll
C. air
D. light
Answer: | D |
null | Question: Along with muscles, what helps the body move with relatively little force?
Options:
A. limbs
B. glands
C. nerves
D. joints
Answer: | D |
null | Question: Quantities have two parts: the number (how many) and what else?
Options:
A. the member
B. the credit
C. the motion
D. he unit
Answer: | D |
null | Question: What structures on the gastrodermal cells keep the contents of the gastrovascular cavity agitated and help distribute nutrients?
Options:
A. telomeres
B. sporangia
C. nucleus
D. flagella
Answer: | D |
null | Question: What is the term for any behavior that occurs only after experience or practice?
Options:
A. practiced behavior
B. studied behavior
C. learned behavior
D. saved behavior
Answer: | C |
null | Question: During asexual reproduction, fungi produce haploid spores by what process involving a haploid parent cell?
Options:
A. divergence
B. evaporation
C. mitosis
D. osmosis
Answer: | C |
null | Question: Pressure is defined as the force per unit area on?
Options:
A. weight
B. speed
C. gravity
D. surface
Answer: | D |
null | Question: What is the disease in which cells grow out of control and form abnormal masses?
Options:
A. HIV
B. cancer
C. diabetes
D. bronchitis
Answer: | B |
null | Question: How do fungus-like protists such as slime molds reproduce?
Options:
A. with spores
B. sexually
C. photosynthesis
D. asexually
Answer: | A |
null | Question: What happens to atoms during a substitution reaction?
Options:
A. replace another in a molecule
B. impaction
C. disintegrate
D. fusion
Answer: | A |
null | Question: About 50% of all animal species died off between the mesozoic and which other era?
Options:
A. cretaceous
B. precambrian
C. jurassic
D. cenozoic
Answer: | D |
null | Question: What two types of atoms bond to form sulfate minerals?
Options:
A. carbon and sulfur
B. oxygen and sulfur
C. oxygen and calcium
D. oxygen and carbon
Answer: | B |
null | Question: What is the term for the length of the route between two points?
Options:
A. area
B. trajectory
C. length
D. distance
Answer: | D |
null | Question: This knocks electrons from atoms and turns them into ions?
Options:
A. convection
B. radiation
C. evaporation
D. chemical reactions
Answer: | B |
null | Question: What fuels provide most of the energy used worldwide?
Options:
A. hydroelectric
B. solar
C. renewable
D. fossil
Answer: | D |
null | Question: Where does an electron move to after it absorbs energy?
Options:
A. atomic orbit
B. another electron
C. a shell farther from the nucleus
D. a shell closer to the nucleus
Answer: | C |
null | Question: The force exerted by the atmosphere on the earth’s surface can be measured with what instrument?
Options:
A. mass spectrometer
B. barometer
C. anemometer
D. Geiger counter
Answer: | B |
null | Question: What is the name for the nonliving parts of ecosystems?
Options:
A. diverse factors
B. nucleic factors
C. Dead factors
D. abiotic factors
Answer: | D |
null | Question: What system transports minerals and water in a plant?
Options:
A. stamen
B. flowers
C. roots
D. leaves
Answer: | C |
null | Question: What is the physical breakdown of chunks of food into smaller pieces?
Options:
A. mechanical digestion
B. dissolving
C. mechanical catalyst
D. mechanical accumulation
Answer: | A |
null | Question: When methane burns, what is produced along with carbon dioxide?
Options:
A. oxygen
B. nitrogen
C. water
D. hydrogen
Answer: | C |
null | Question: What do you call people who study science and are experts in one or more fields of science?
Options:
A. animals
B. chemists
C. scientists
D. doctors
Answer: | C |
null | Question: Where fossils of the genus eomaia found?
Options:
A. India
B. china
C. Japan
D. Egypt
Answer: | B |
null | Question: What are the largest phylum of the animal kingdom?
Options:
A. Chelicerata
B. Crustacea
C. arthropods
D. Pycnogonida
Answer: | C |
null | Question: What is a decrease in the magnitude of the membrane potential?
Options:
A. depolarization
B. digestion
C. inflammation
D. ionization
Answer: | A |
null | Question: Proto-oncogenes can change into oncogenes that cause what?
Options:
A. Mutations
B. cancer
C. DNA
D. Infections
Answer: | B |
null | Question: What is the common term for water in its solid state?
Options:
A. sea
B. vapor
C. ice
D. precipitation
Answer: | C |
null | Question: What are considered to be the smallest particles of matter?
Options:
A. atoms
B. ions
C. molecules
D. cells
Answer: | A |
null | Question: Mutations which benefit the organism in which they occur are known as?
Options:
A. helpful mutations
B. extraordinary mutations
C. healthy mutations
D. beneficial mutations
Answer: | D |
null | Question: Equilibriums are affected by changes in concentration, total pressure or volume, and this?
Options:
A. oxygen
B. temperature
C. rate
D. time
Answer: | B |
null | Question: What is a structure that is composed of one or more types of tissues?
Options:
A. organ
B. node
C. system
D. muscle
Answer: | A |
null | Question: Salts of weak acids or bases can affect the acidity or what of their aqueous solution?
Options:
A. atomicity
B. ductility
C. compound
D. basicity
Answer: | D |
null | Question: What is the layer above the mesophere called?
Options:
A. exosphere
B. thermosphere
C. stratosphere
D. troposphere
Answer: | C |
null | Question: The density of bone is, in part, related to the amount of what mineral in one’s diet?
Options:
A. calcium
B. nitrogen
C. potassium
D. barium
Answer: | A |
null | Question: What do we call the region on the lung root formed by the entrance of the nerves at the hilum?
Options:
A. brain plexus
B. renal plexus
C. pulmonary plexus
D. heart plexus
Answer: | C |
null | Question: Each megasporangium has a single functional one of what?
Options:
A. spicule
B. antispore
C. megaspore
D. cocklebur
Answer: | C |
null | Question: What determines which type of precipitation falls?
Options:
A. air temperature
B. air currents
C. air pressure
D. ground temperature
Answer: | A |
null | Question: What tides occur during the new moon and full moon?
Options:
A. high
B. spring
C. autumn
D. bottom
Answer: | B |
null | Question: What factors consist of parts of the environment that are or were alive, and their remains?
Options:
A. decomposition factors
B. biotic factors
C. xerophytic factors
D. abiotic factors
Answer: | B |
null | Question: What kind of model - which includes producers, consumers and decomposers - shows the interactions between organisms across trophic levels?
Options:
A. organic web
B. food web
C. interdepence web
D. fuel web
Answer: | B |
null | Question: At what temperature does solid water melt to a liquid?
Options:
A. above 32 degrees c
B. below 32 degrees c
C. at temperatures above 0 degrees c
D. below 0 degrees c
Answer: | C |
null | Question: Traditional classification of mammals are based on similarities in what two things?
Options:
A. structure & function
B. solution & function
C. density & function
D. Density and Structure
Answer: | A |
null | Question: When the wind deposits sand, it forms small hills, what are these hills called?
Options:
A. snow banks
B. sand dunes
C. sand tunnels
D. mud puddles
Answer: | B |
null | Question: What is the term for the spacing of individuals within a population?
Options:
A. suspension
B. equilibrium
C. dispersion
D. population density
Answer: | C |
null | Question: Some animals increase body fat in winter to stay?
Options:
A. aware
B. cold
C. thin
D. warm
Answer: | D |
null | Question: Different types of home heating systems all function by producing what type of energy?
Options:
A. natural
B. distinct
C. electron
D. thermal
Answer: | D |
null | Question: The maintenance of constant conditions in the body is also known as what?
Options:
A. mononucleosis
B. hypothesis
C. homeostasis
D. consciousness
Answer: | C |
null | Question: The ileum is the last part of what organ, and is where the bile salts and vitamins are absorbed into blood stream?
Options:
A. large intestine
B. small intestine
C. stomach
D. gall bladder
Answer: | B |
null | Question: What type of energy is produced when two objects move together?
Options:
A. molecular energy
B. mechanical energy
C. potential energy
D. physical energy
Answer: | B |
null | Question: Melting ice is drastically impacting the number of what at glacier national park?
Options:
A. icebergs
B. active glaciers
C. trees
D. gaisers
Answer: | B |
null | Question: What bonds result from the overlap of atomic orbitals?
Options:
A. valent
B. hydrogen
C. covalents
D. metallic
Answer: | C |
null | Question: What type of diagnosis happens before a baby is born?
Options:
A. maternal
B. prenatal
C. postnatal
D. fetal
Answer: | B |
null | Question: What gives a coil of copper wire the ability to conduct electricity well?
Options:
A. metallic bonds
B. metallic ions
C. optical bonds
D. metallic electrons
Answer: | A |
null | Question: In humans, the only haploid cells are what reproductive cells?
Options:
A. sperm and dna
B. sperm and egg
C. uteral and sperm
D. dna and egg
Answer: | B |
null | Question: Collateral ganglia controls organs in which cavity in the body?
Options:
A. pelvic
B. cranial
C. cardiac
D. abdominal
Answer: | D |
null | Question: What is the study of ecosystems?
Options:
A. geology
B. physics
C. botany
D. ecology
Answer: | D |
null | Question: The formula mass of a covalent compound is also called the what?
Options:
A. molecular mass
B. ionic mass
C. atomic mass
D. nucleus mass
Answer: | A |
null | Question: Elasticity is the ability of a material to return to its original shape after being stretched or?
Options:
A. combustion
B. compressed
C. Contained
D. correlated
Answer: | B |
null | Question: What can lenses be used to make?
Options:
A. visual representations
B. comparison representations
C. function representations
D. aspect representations
Answer: | A |
null | Question: What mammalian structure allows the exchange of gases, nutrients, and other substances between the fetus and mother?
Options:
A. uterus
B. notochord
C. placenta
D. mitochondria
Answer: | C |
null | Question: Who coined the term natural selection?
Options:
A. darwin
B. shaw
C. Pasteur
D. Mendel
Answer: | A |
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