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A hydraulic jack that makes it possible to lift a car easily is an example of what, meaning it produces mechanical advantages?
A. simple weapon
B. complex machines
C. quantum physics
D. simple machine
Answer: | D |
What process consists of the mechanisms that produce an observed pattern of change?
A. cycle
B. repetition
C. evolution
D. variation
Answer: | C |
Prokaryotic cells have a cell wall located outside of the __________?
A. plasma membrane
B. chloroplasts
C. epidermis
D. chromosomes
Answer: | A |
Multiplying the linear momentum of a spinning object by the radius calculates what?
A. angular torque
B. applied momentum
C. total momentum
D. angular momentum
Answer: | D |
What are responsible for removing excess h+ ions from the blood?
A. kidneys
B. stomach chambers
C. intestinal walls
D. liver nodes
Answer: | A |
What makes up the dense outer layer of bones?
A. scales
B. compact bone
C. cartilage
D. marrow
Answer: | B |
What refers to a substance made from two or more elements joined by chemical bonds?
A. basic
B. compound
C. component
D. contrast
Answer: | B |
Stress building up at the same rate over time at a fault causes what phenomenon?
A. volcanoes
B. storms
C. earthquakes
D. erosion
Answer: | C |
Materials made from non-living substances like pebbles and sand are called what?
A. organic
B. microscopic
C. inorganic
D. fibrous
Answer: | C |
What type of gas levels in the atmosphere are increasing?
A. hydrogen gas
B. greenhouse gas
C. carbonate gas
D. helium gas
Answer: | B |
What is the earths crust composed of?
A. bicellular rock
B. metamorphic rock
C. igneuos rock
D. sedimentary rock
Answer: | C |
Cells that are divided by oncogenes contain damaged what?
A. atoms
B. cells
C. bacteria
D. dna
Answer: | D |
When does exchange of dna segments happen between non-sister chromatids of homologous chromosomes?
A. during diversion
B. during crossing-over
C. during mitosis
D. during meiosis
Answer: | B |
What are observable patterns of stars found in the night sky called?
A. deformations
B. latitudes
C. constellations
D. deviations
Answer: | C |
If you were to filter out all the cells in blood, you would be left with what golden-yellow liquid?
A. plasma
B. pus
C. platelets
D. hemoglobin
Answer: | A |
The simplest organic compounds have hydrogen and what else?
A. oxygen
B. nitrogen
C. carbon
D. sodium
Answer: | C |
Temperature and what other environmental factor are important in the activity of an enzyme?
A. shape
B. color
C. ph level
D. size
Answer: | C |
What glands are wedges of glandular and neuroendocrine tissue adhering to the top of the kidneys by a fibrous capsule?
A. fatty glands
B. heart glands
C. nutrients glands
D. adrenal glands
Answer: | D |
What is the force that pulls downward on an object and is measured by weight?
A. gravity
B. light
C. work
D. strength
Answer: | A |
Which reproduction produces offspring genetically identical to the one parent?
A. bsexual
B. asexual
C. microscopic
D. sexual
Answer: | B |
Water in its solid state is commonly known as what?
A. ice
B. carbon dioxide
C. sea
D. glass
Answer: | A |
Besides the concentration of dissolve oxygen and nutrients in the water, what other factor limits aquatic organisms?
A. availability of sunlight
B. rainfall
C. lake size
D. temperature
Answer: | A |
Which type of membrane are ribosomes surrounded by?
A. none
B. temporary
C. permenant
D. partial
Answer: | A |
Which scientist was responsible for the theory of evolution by natural selection?
A. albert einstein
B. stephen hawking
C. galileo Galilei
D. charles darwin
Answer: | D |
Soft cartilage gradually turns into hard bone through what process?
A. elongation
B. oxidation
C. ossification
D. calcification
Answer: | C |
Glycerol is a triol, an alcohol which contains three what?
A. stark functional groups
B. hydroxl acidic groups
C. cytoplasm functional groups
D. hydroxl functional groups
Answer: | D |
The parts of the ears involved in balance are called what?
A. lobe canal
B. symmetrical canals
C. rectangular canals
D. semicircular canals
Answer: | D |
The sun’s heat can also be trapped in your home by using south facing windows and good what?
A. floors
B. insulation
C. vegetation
D. curtains
Answer: | B |
Red blood cells do not perform aerobic respiration, but they do perform what process that is nearly universal to organisms?
A. mitosis
B. glycolysis
C. reproduction
D. digestion
Answer: | B |
Late adulthood begins in the mid-60s and continues until?
A. birth
B. youth
C. adolescence
D. death
Answer: | D |
The concentration of a substance is the quantity of solute present in a given quantity of ___________?
A. salutation
B. mixture
C. solution
D. structure
Answer: | C |
What is the study of rock strata called?
A. biology
B. biochemistry
C. chemistry
D. stratigraphy
Answer: | D |
What is the particular sequence of amino acids in a longer chain called?
A. atomic sequence
B. carbon sequence
C. molecular sequence
D. amino acid sequence
Answer: | D |
Stones, infections, and diabetes threaten the health and functioning of what paired organs?
A. kidneys
B. tissues
C. lungs
D. arteries
Answer: | A |
What is the name of the outer layer of skin?
A. the dermis
B. the epidermis
C. endodermis
D. hypodermis
Answer: | B |
What is the major source of water vapor in the atmosphere?
A. drift
B. sea
C. streams
D. ocean
Answer: | D |
The release of mature eggs that occurs at the midpoint of each cycle is called?
A. semination
B. ovulation
C. induction
D. fertilization
Answer: | B |
What are the three ways to control the transcription of an operon?
A. hormonal, repressive, activator,
B. transparent , activator , inducible
C. repressive, activator, spontaneous
D. repressive, activator, inducible
Answer: | D |
Peroxisomes carry out oxidation reactions that break down what acids?
A. fatty acids and amino acids
B. stomach acids
C. nitric acids
D. acetic acids
Answer: | A |
The magnitude of the momentum vector is the product of what two properties?
A. volume and speed
B. work and speed
C. acceleration and speed
D. mass and speed
Answer: | D |
Hydrostatic skeletons are well suited for life in what kind of environments?
A. surface
B. pelagic
C. aquatic
D. bacterial
Answer: | C |
How do prokaryotic organisms reproduce asexually?
A. kinetic fission
B. residual fission
C. mitosis
D. binary fission
Answer: | D |
Many species use their body shape and coloration to avoid what?
A. exposure
B. human contact
C. sunlight
D. detection by predators
Answer: | D |
What property of ocean water increases rapidly as the water gets deeper?
A. visability
B. speed
C. salt content
D. pressure
Answer: | D |
Remember electrons are negatively charged, so ions with a positive charge have lost what?
A. electron
B. atom
C. proton
D. neutron
Answer: | A |
What type of starch is used for long-term energy storage in animal cells?
A. fructose
B. enzyme
C. rigid
D. glycogen
Answer: | D |
What contracts to move food throughout the gastrointestinal tract?
A. muscles
B. nerves
C. fluids
D. vessels
Answer: | A |
A magnet can exert force on objects without touching them, as long as they are within what?
A. gravitational field
B. molecular field
C. magnetic field
D. audio field
Answer: | C |
What field of science seeks to explain how traits are passed on from one generation to the next?
A. biochemistry
B. genetics
C. zoology
D. quantum physics
Answer: | B |
Saturated hydrocarbons get their name because they are saturated with what atoms?
A. nitrogen
B. helium
C. oxygen
D. hydrogen
Answer: | D |
What is the name of the black opening in the eye that lets light enter?
A. cornea
B. inlet
C. pupil
D. iris
Answer: | C |
Enzymes in saliva help bread down and digest what?
A. starches and water
B. fiber and minerals
C. starches and fats
D. water and fiber
Answer: | C |
What comes first in the life cycle of a plant?
A. pair
B. seed
C. garden
D. flower
Answer: | B |
Within the chloroplast, synthesis of what takes place in the fluid inside the inner membrane called the stroma?
A. wheat
B. glucose
C. fructose
D. sugar
Answer: | D |
When referring to genes, what term describes the property of having multiple phenotypic effects?
A. archetype
B. prototype
C. pleiotrophy
D. xerophyte
Answer: | C |
What are intervertebral discs made of?
A. fibrotissue
B. connective cartilage
C. fibrocartilage
D. intercartilage
Answer: | C |
What harmful light does ozone reduce in the upper atmospheres?
A. infrared light
B. ultraviolet light
C. visible light
D. specific light
Answer: | B |
What device detects and measuresee earthquake waves?
A. sphygmomanometer
B. polygraph
C. seismograph
D. stenograph
Answer: | C |
While some climate regions have multiple layers, arid regions are poor for development of what?
A. plants
B. soil
C. rain
D. minerals
Answer: | B |
Some plants open their leaves during the day to collect what?
A. energy
B. precipitation
C. sunlight
D. moisture
Answer: | C |
What secretion initiates chemical digestion while also protecting the oral cavity?
A. saliva
B. mucus
C. lymph
D. stomach acid
Answer: | A |
What makes echinoderms force water into the feet and move forward?
A. field contractions
B. muscle contractions
C. vacuum contractions
D. spring contractions
Answer: | B |
Red blood cells, white blood cells, and platelets are all produced where?
A. in red marrow
B. in collagen
C. in yellow marrow
D. in synovial fluid
Answer: | A |
Fine-grained mud in the deep ocean comes from silts and clays brought from the land by?
A. fire
B. waves
C. wind
D. water
Answer: | C |
Pseudopods are temporary extensions of what?
A. cytopods
B. the cell wall
C. the mucus
D. the cytoplasm
Answer: | D |
Ice cubes in cola cause the cola to lose what?
A. gravity
B. kinetic energy
C. mechanical energy
D. thermal energy
Answer: | D |
How are protists traditionally classified?
A. animal-like, plant-like, or fungi-like
B. sponges, fungi and bacteria
C. organic and inorganic
D. carnivorous or herbivorous
Answer: | A |
Coal is a solid hydrocarbon formed from what type of decaying material?
A. soil
B. insects
C. mammals
D. plant
Answer: | D |
Many disciplines within the study of biology contribute to understanding how past and present life evolved over time; these disciplines together contribute to building, updating, and maintaining this?
A. forests of life
B. amount of life
C. tree of life
D. root of life
Answer: | C |
A flow of one coulomb per second is called one ampere, which is a measure of what?
A. Direct current
B. performance current
C. powered current
D. electric current
Answer: | D |
What might eventually happen to a species if it is unable to reproduce?
A. adaptation
B. extinction
C. migration
D. natural selection
Answer: | B |
What do muscles need to contract?
A. pressures
B. tendons
C. stress
D. stimulus
Answer: | D |
What is considered to be a unique feature of echinoderms?
A. oil vascular system
B. iron vascular system
C. water vascular system
D. air vascular system
Answer: | C |
Noninfectious diseases can't be passed from one person to another. instead, these types of diseases are caused by factors such as environment, genetics and what?
A. age
B. lifestyle
C. weight
D. education
Answer: | B |
What 'counting' instrument is used to measure radioactivity?
A. pryor counter
B. Liquid Counter
C. geiger counter
D. ellie counter
Answer: | C |
Often primary producers, what term describes species considered the “base” or “bedrock” of a community, having the greatest influence on its overall structure?
A. primary
B. fundamental
C. consumable
D. foundation
Answer: | D |
Hurricanes that form in the tropics are called what?
A. tropical cyclones
B. caribbean cyclones
C. rain cyclones
D. tornados
Answer: | A |
What types of flat maps show users changes in land elevation?
A. surveyor maps
B. topographic maps
C. elliptical maps
D. atlases
Answer: | B |
Sister chromatids separate as part of anaphase in what process?
A. osmosis
B. mitosis
C. vesicles
D. angiogenesis
Answer: | B |
Vertebrates evolved from primitive forms of which creature?
A. arthropods
B. humanoids
C. cephalopods
D. chordates
Answer: | D |
Another name for table salt is?
A. hydrogen chloride
B. dioxide chloride
C. sodium chloride
D. carbon chloride
Answer: | C |
In iceland, the mid-atlantic ridge is above sea what?
A. level
B. atmosphere
C. tide
D. bottom
Answer: | A |
The earth's atmosphere, climate, and living things are effected by what feature that covers more than 70 percent of earth's surface?
A. oceans
B. continents
C. mountains
D. rivers
Answer: | A |
What is the nest of cell an egg rests in called?
A. mitochondria
B. epidermis
C. pod
D. follicle
Answer: | D |
The energy of a wave depends on time as well as what other property of the wave?
A. force
B. power
C. amplitude
D. frequency
Answer: | C |
Genetic equilibrium occurs when what process doesn't exist within the population?
A. evolution
B. variation
C. reproduction
D. movement
Answer: | A |
During meiosis, each parent synthesizes gametes that contain only half of their complement of what?
A. atoms
B. neutrons
C. chromosomes
D. receptors
Answer: | C |
What is evolution that occurs over a long period of time called?
A. introgression
B. spontaneous mutation
C. catabolism
D. macroevolution
Answer: | D |
What is the plasma membrane formed by?
A. cholesterol byproduct
B. a phospholipid bilayer
C. a cytoplasm bilayer
D. single lipid layer
Answer: | B |
What is formed when an element gains one or more electrons?
A. ion
B. anion
C. cation
D. neutron
Answer: | B |
What is the term for the slow wearing down of rocks on earth’s surface?
A. weathering
B. slipping
C. experiencing
D. evaporation
Answer: | A |
Lobsters are what kind of food source?
A. mollusc
B. combination
C. sauropod
D. arthropod
Answer: | D |
Helicopters store large amounts of rotational energy of what type in their blades?
A. magnetic
B. thermal
C. seismic
D. kinetic
Answer: | D |
What branch of science is the study of matter and energy?
A. Chemistry
B. environmental science
C. physical science
D. Thermodynamics
Answer: | C |
Plants and algae maintain the atmosphere. during photosynthesis, they add oxygen and remove what?
A. methane
B. water
C. nitrogen
D. carbon dioxide
Answer: | D |
Electric substations have what devices, which use electromagnetic induction to increase or decrease the voltage of the current?
A. transistors
B. tubes
C. generators
D. transformers
Answer: | D |
By what process does oxygen enter the pores of flatworms?
A. diffusion
B. permeation
C. absorption
D. filtration
Answer: | A |
The iconic gray mantle of the human brain, which appears to make up most of the mass of the brain, is called?
A. lobes
B. thrombus
C. cerebrum
D. brain stem
Answer: | C |
What kind of rocks form as an existing rock is altered by high temperature or pressure?
A. metamorphic
B. igneous
C. sedimentary
D. basaltic
Answer: | A |
What kind of water are cattails adapted for with narrow, strap-like leaves?
A. turbulent water
B. moving water
C. stagnant water
D. saline water
Answer: | B |
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