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What is a continuous flow of electric charge called?
A. microwave current
B. powered current
C. magnetism
D. electric current
Answer: | D |
How many years can dissolved carbon be stored in the deep ocean?
A. unknown
B. thousands
C. hundreds
D. tens
Answer: | B |
What effect causes winds and currents to form circular patterns?
A. jet stream
B. horse latitudes
C. centrifugal effect
D. coriolis effect
Answer: | D |
What type of sunlight inhibits vertical growth in a plant?
A. reduced
B. infrared
C. direct
D. indirect
Answer: | C |
Why does ice wedging occur?
A. water expands
B. water melts
C. water evaporates
D. water freezes
Answer: | A |
Are humans a new or old species on the earth?
A. extinct
B. old
C. primal
D. new
Answer: | D |
What kind of surface would cause diffusion when light is reflected off of it?
A. hot surfaces
B. cold surfaces
C. rough surfaces
D. smooth surfaces
Answer: | C |
What are plants called that grow where you don't want them?
A. weeds
B. shrubs
C. reeds
D. grasses
Answer: | A |
Who proposed that everything in the universe exerts a force of attraction on everything else?
A. newton
B. wilson
C. einstein
D. bell
Answer: | A |
Living organisms are comprised of organic compounds, which are molecules built around what element?
A. carbon
B. silicon
C. helium
D. oxygen
Answer: | A |
Which mineral do native americans use to decorate items?
A. Amethyst
B. Topaz
C. Tanzanite
D. turquoise
Answer: | D |
Glycolysis oxidizes glucose to two molecules of pyruvate?
A. N/A - see below
B. glucose
C. N/A - see below
D. N/A - see below
Answer: | B |
What's the most common disorder from having an extra chromosome?
A. cri-du-chat syndrome
B. Williams syndrome
C. down syndrome
D. Turner syndrome
Answer: | C |
What type of respiration does not use oxygen?
A. condensation
B. fermentation
C. oxidation
D. cellular
Answer: | B |
Besides depth soundings, what else are bathymetric maps made of?
A. density measures
B. sonar data
C. solar data
D. intensity data
Answer: | B |
A cell with two sets of chromosomes is called a?
A. biploid
B. diploid
C. chloroplasts
D. haploid
Answer: | B |
On the ventral side of the embryonic disc, opposite the amnion, cells in the lower layer of the embryonic disk (the hypoblast) extend into the blastocyst cavity and form this?
A. embryo sac
B. neural sac
C. algae sac
D. yolk sac
Answer: | D |
Pairs of fish that do not practice broadcast what may exhibit courtship behavior?
A. feeding
B. inheritance
C. spawning
D. migration
Answer: | C |
The van allen radiation belts are two regions in which energetic charged particles are trapped in earth’s what?
A. cloud cover
B. ionosphere
C. magnetic field
D. gravitational field
Answer: | C |
What is the lowest level of organism that can perform all activities required for life?
A. cell
B. system
C. atom
D. nucleus
Answer: | A |
What umbrella term describes small structures that exist within cells and perform specialized functions?
A. atoms
B. organelles
C. macromolecules
D. organisms
Answer: | B |
What is the continental margin made of?
A. continental drift
B. continental crust
C. pangea
D. boundary crust
Answer: | B |
What happens to gas solubility as the temperature increases?
A. stabilizes
B. increases
C. decreases
D. fluctuates rapidly
Answer: | C |
What forms when a glacier scrapes a large hole in the ground?
A. drift lake
B. melting lake
C. frozen lake
D. glacial lake
Answer: | D |
What branch of science holds hope for developing crops with genes that help them withstand harsh conditions?
A. physiology
B. physics
C. biotechnology
D. chemistry
Answer: | C |
In eukaryotic cells, where is the dna kept?
A. nucleus
B. mitochondria
C. cytoplasm
D. epidermis
Answer: | A |
What is a measure of the amount of space that a substance or an object occupies?
A. density
B. mass
C. power
D. volume
Answer: | D |
What nucleic acid stores the genetic information?
A. dna
B. Ribosomes
C. Nucleus
D. molecule
Answer: | A |
Molds growing on foods are a common type of what organisms that play very important roles in almost every terrestrial ecosystem on earth?
A. pollen
B. yeast
C. mildew
D. fungi
Answer: | D |
What of a electromagnetic wave can be calculated using the wave equation due to their speed always being constant?
A. oscillation
B. resonance
C. sound
D. frequency
Answer: | D |
Because of the wave character of matter, the idea of well-defined orbits gives way to a model in which there is a cloud of what?
A. chaos
B. probability
C. mutation
D. particles
Answer: | B |
Metabolism is controlled by regulation of what?
A. sequence activity
B. nucleus activity
C. cell activity
D. enzyme activity
Answer: | D |
A catalytic converter filters pollutants in exhaust created by burning what before releasing it into the air?
A. fossil fuels
B. fossil compounds
C. noble gas
D. carbon dioxide
Answer: | A |
What are the two components of the ecf?
A. solids and if
B. plasma and if
C. polymer and if
D. proteins and if
Answer: | B |
A quarry, which produces rocks and minerals used to make buildings and roads, is an example of what type of mine?
A. strip mine
B. gold mine
C. fracking
D. open-pit mine
Answer: | D |
Along with other organelles, all eukaryotic cells possess what structure?
A. cell walls
B. nucleus
C. chromosomes
D. flagella
Answer: | B |
The environment where most chemical reactions in organisms takes place consists mostly of what?
A. helium
B. air
C. sodium
D. water
Answer: | D |
The main functions of epithelia are protection from the environment, coverage, secretion and excretion, absorption, and this?
A. absorption
B. accumulation
C. diffusion
D. filtration
Answer: | D |
What term is defined as the preserved remains or traces of organisms that lived during earlier ages?
A. deposits
B. waste
C. bones
D. fossils
Answer: | D |
What rigid external structure protects shellfish and other animals and provides points of attachment for the muscles that move the appendages?
A. exoskeleton
B. cocoon
C. membrane
D. claw
Answer: | A |
The electronic components in electronic devices, used to transmit and change electricity are made of?
A. inverters
B. resistors
C. microchips
D. semiconductors
Answer: | D |
Vaccinations are designed to boost immunity to a virus to prevent this?
A. reproduction
B. pathogen
C. mutation
D. infection
Answer: | D |
How many sets of chromosomes do gametes contain?
A. four
B. eight
C. single
D. twelve
Answer: | C |
What is the term for the energy of motion, which is exhibited by the speed of an object?
A. mechanical energy
B. residual energy
C. inertia
D. kinetic energy
Answer: | D |
Soil that forms in place over a very long period is called what?
A. resultant soil
B. leakage soil
C. residual soil
D. antique soil
Answer: | C |
Alpha and beta decay occur when a nucleus has too many protons or an unstable ratio of what?
A. atoms to neutrons
B. protons to neutrons
C. nucleus to neutrons
D. electrons to neutrons
Answer: | B |
What do you call an abnormal mass of cells that is dividing improperly?
A. molars
B. tumor
C. appendages
D. bumps
Answer: | B |
What is an example of a biochemical lipid that contributes to weight gain?
A. fats
B. proteins
C. sugars
D. acids
Answer: | A |
The rate that energy is released is known as
A. pressure
B. flow
C. power
D. heat
Answer: | C |
A low level of radiation occurs naturally in the environment and is called what?
A. Beta radiation
B. Alpha radiation
C. background radiation
D. Gamma radiation
Answer: | C |
Most of the heat that enters the mesosphere comes from where?
A. Earth's surface
B. the stratosphere
C. Troposphere
D. Exosphere
Answer: | B |
What is the natural movement called within your intestines?
A. fibroblasts
B. proteolysis
C. progress
D. peristalsis
Answer: | D |
What does the stomach produce to help digest food?
A. amino acid
B. hydrochloric acid
C. acetic acid
D. lactic acid
Answer: | B |
What type of plants have vascular tissue but do not have seeds?
A. rocky vascular plants
B. seedless vascular plants
C. ofen vascular plants
D. starchy vascular plants
Answer: | B |
After ovulation occurs, the moving “fingers” of what nearby structure sweep the egg into its tube?
A. vertebral tube
B. androgenen tube
C. fallopian tube
D. nadiad tube
Answer: | C |
Alterations that change chromosome structure are known as?
A. lesions
B. traits
C. mutations
D. deformities
Answer: | C |
Membranes will become increasingly what as temperatures rise?
A. acidic
B. metallic
C. fluid
D. toxic
Answer: | C |
Catabolism and anabolism are the two types of what?
A. cells
B. calcium
C. heart rate
D. metabolism
Answer: | D |
What types of incest behaviors are controlled by genes?
A. psychological behaviors like flying and mating
B. physical behaviors like flying and mating
C. byproduct behaviors like flying and mating
D. instinctive behaviors like flying and mating
Answer: | D |
What term describes a specific statement that is thought to be never violated by the entire natural universe?
A. theory
B. scientific law
C. hypothesis
D. evidence
Answer: | B |
When do female reproductive organs mature?
A. at birth
B. at puberty
C. periomenopause
D. at menopause
Answer: | B |
What are the extremely small particles that comprise all matter?
A. protons
B. atoms
C. electrons
D. ions
Answer: | B |
What are the two basic types of combustion engines?
A. gas and steam
B. diesel and internal combustion
C. external and internal combustion engines
D. spark and steam
Answer: | C |
Plasmodesmata passes through what part of plants?
A. cell walls
B. cell ridges
C. nucleus
D. cytoplasm
Answer: | A |
What element has an atomic number of 6?
A. silicon
B. carbon
C. oxygen
D. hydrogen
Answer: | B |
What common sea creature can be both awake and asleep at the same time?
A. sharks
B. reefs
C. dolphins
D. Whales
Answer: | C |
What is the second stage of cellular respiration?
A. krebs cycle
B. marr cycle
C. duocycle
D. beatnik cycle
Answer: | A |
As a battery is depleted what happens to its internal resistance?
A. reduces
B. increases
C. changes
D. stagnates
Answer: | B |
What is a condition where plants are grown in mineral solutions without soil called?
A. hydrozone
B. climate zone
C. hydroponics
D. biosphere
Answer: | C |
What is the scientific name for the human species?
A. Neanderthal
B. primate
C. homo erectus
D. homo sapiens
Answer: | D |
Snippet 3: the diploid cells resulting from karyogamy are short-lived and undergo meiosis, producing what?
A. haploid spores
B. hyperactive spores
C. binary spores
D. stunted spores
Answer: | A |
Average speed is equal to distance divided by what?
A. time
B. magnitude
C. weight
D. height
Answer: | A |
When a supercooled liquid boils, the temperature drops as the liquid is converted to what?
A. vapor
B. carbon
C. atoms
D. solid
Answer: | A |
What process produces four haploid daughter cells, each genetically unique?
A. electrolysis
B. meiosis
C. budding
D. mitosis
Answer: | B |
What is root that does not arise from a usual place?
A. monomers
B. hypochlorous
C. momentous
D. adventitious
Answer: | D |
In which period of the periodic table is nickel found?
A. fourth period
B. Second Period
C. Third Period
D. First Period
Answer: | A |
What serves as the control center of the nervous system?
A. heart
B. bone
C. spine
D. brain
Answer: | D |
What is the name for the term that describes deep ocean water rising the surface?
A. up-rising
B. percolating
C. leaking
D. upwelling
Answer: | D |
What is the measure for how fast or slow something moves?
A. inertia
B. speed
C. momentum
D. kinetic energy
Answer: | B |
What is the term for the decayed remains of living organisms?
A. intermediate material
B. necrosis
C. waste
D. humus
Answer: | D |
What happens when materials return to their original shape?
A. second life
B. elastic rebound
C. reverberation
D. restoration principle
Answer: | B |
Dna segments cross over to form what kind of chromosome?
A. autosome
B. recombinant
C. resistant
D. mutated
Answer: | B |
Typically hard, high-melting solids that conduct heat and electricity well, the transition elements have many properties in common with other what?
A. oils
B. metals
C. deposits
D. organics
Answer: | B |
Programmed cell death, which goes by what term, is important for removing damaged or unnecessary cells?
A. mutations
B. mytosis
C. synthesis
D. apoptosis
Answer: | D |
What elements do mafic minerals typically include?
A. xerophyte and magnesium
B. sodium and magnesium
C. iodine and magnesium
D. iron and magnesium
Answer: | D |
During what time period did poor air quality become a problem?
A. industrial revolution
B. Chernobyl disaster
C. coal industry boom
D. second world war
Answer: | A |
All living organisms must have what ability, in order to make more organisms like themselves?
A. reproduction
B. variation
C. cloning
D. absorption
Answer: | A |
If a solute is a gas, increasing the temperature will do what?
A. have no effect
B. change to liquid
C. decrease its solubility
D. increase its solubility
Answer: | C |
The fetus becoming relatively large and mature before birth increases the chances of what?
A. disease
B. survival
C. intelligence
D. mutations
Answer: | B |
What item starts puberty in girls?
A. the ovary
B. the thyroid
C. the uterus
D. the hypothalamus
Answer: | D |
Protein digestion begins in the stomach as pepsinogen in gastric juice is converted to pepsin, the enzyme that hydrolyzes this?
A. disulfide bridges
B. ionic bonds
C. peptide bonds
D. hydrogen bonds
Answer: | C |
What lipid, added to certain foods to keep them fresher longer, increases the risk of heart disease?
A. Omega-3 fatty acids
B. cholesterol
C. fatty acids
D. trans fat
Answer: | D |
What occurs in a population when its allele frequencies change over time?
A. evolution
B. extinction
C. generation
D. variation
Answer: | A |
What do some animals use for shelter?
A. invisible materials
B. living materials
C. indestructible materials
D. nonliving materials
Answer: | D |
In statistics a boundary on the precision and accuracy is known as what?
A. frequency
B. instance
C. error
D. median
Answer: | C |
How many limbs do all mammals have?
A. two
B. it varies
C. four
D. three
Answer: | C |
More common in developing countries, parasitic diseases caused by roundworms often result from poor practice of what?
A. personal hygiene
B. preventative medicine
C. agriculture
D. education
Answer: | A |
What type of bacteria stains red?
A. kilogram-negative bacteria
B. calcium - negative bacteria
C. gram-negative bacteria
D. gram - such bacteria
Answer: | C |
The shapes of minerals form as they are broken along what planes?
A. sedimentary planes
B. cleavage planes
C. calcium planes
D. parallel planes
Answer: | B |
An atomic symbol is used to represent what?
A. weight
B. mole
C. electron shell
D. element
Answer: | D |
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