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Earth is the only planet in the solar system that has what element, which is essential for human life, present in all three of its states?
A. helium
B. oxygen
C. carbon
D. water
Answer:
|
D
|
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Although individuals of a given species are genetically similar, they are not identical; every individual has a unique set of these?
A. habits
B. mutations
C. traits
D. chromosomes
Answer:
|
C
|
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|
The following definition relates to which term: the application of knowledge to real-world problems?
A. industry
B. technology
C. capitalism
D. invention
Answer:
|
B
|
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|
Pauropods, presumed relatives of millipedes usually found in soil, leaf litter and other moist places, live on all continents except what?
A. Europe
B. inland
C. antarctica
D. Ocean
Answer:
|
C
|
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The frequency of a wave is the reciprocal of what other attribute of the wave?
A. length
B. period
C. amplitude
D. term
Answer:
|
B
|
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People with type o blood are often called what?
A. flexible donors
B. universal donors
C. complete donors
D. likely donors
Answer:
|
B
|
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|
Chemical changes occur because of what?
A. evaporation
B. liquid reactions
C. chemical reactions
D. toxic reactions
Answer:
|
C
|
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|
Low-level exposure of humans to radiation can cause what?
A. bleeding
B. illness
C. cancer
D. coughing
Answer:
|
C
|
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|
What are the nonliving parts of ecosystems like soil and air called?
A. abiotic factors
B. exemplified factors
C. irrelevant factors
D. inorganic factors
Answer:
|
A
|
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|
A mixture of a metal with one or more other elements is called?
A. a hydrogen
B. a carbon
C. a cobalt
D. an alloy
Answer:
|
D
|
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|
What is a small protein that helps fight infections?
A. zygote
B. cytokine
C. phenotype
D. glutamate
Answer:
|
B
|
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|
What type of scientists study the effects people have on their environment?
A. integrated scientists
B. environmental scientists
C. ecological scientists
D. biological scientists
Answer:
|
B
|
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|
What do you call the diffusion of solutes through transport proteins in the plasma membrane?
A. Osmosis
B. necessitated diffusion
C. exposed diffusion
D. facilitated diffusion
Answer:
|
D
|
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|
Like bacteria, archaea can have what to assist with movement?
A. antennae
B. sporangia
C. cilia
D. flagella
Answer:
|
D
|
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|
What kind of mutations are produced by nucleotide-pair insertions or deletions?
A. cloned
B. frameshift
C. shifty
D. framing
Answer:
|
B
|
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|
A form of carbon in which carbon atoms are arranged in a hollow sphere is known as?
A. fullerene
B. analyte
C. chondrite
D. amines
Answer:
|
A
|
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|
The two complementary strands of what are separated, much like unzipping a zipper, in the initiation phase?
A. mRNA
B. Chromosomes
C. RNA
D. dna
Answer:
|
D
|
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|
Things that are hydrophobic repel or otherwise don't really mix with what?
A. air
B. water
C. heat
D. magnets
Answer:
|
B
|
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|
Arteries and veins are two of the three types of blood vessels, what is the third?
A. fibroids
B. capillaries
C. muscles
D. neurons
Answer:
|
B
|
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|
What basic structure holds plants upright, bears leaves and other structures, and transports fluids between roots and leaves?
A. stem
B. flowers
C. leaves
D. branches
Answer:
|
A
|
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|
What kind of parasites are nearly all ticks that live on the body surfaces of reptiles or mammals?
A. ectoparasites
B. protozoa
C. bloodsucking
D. helminths
Answer:
|
C
|
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|
What results when birth rates fall even lower than death rates?
A. negative growth rate
B. mutation
C. disease
D. increased growth rate
Answer:
|
A
|
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|
How do hydrogen bonds help ions and other polar molecules?
A. solidify in water
B. dissolve in water
C. activate in water
D. change in water
Answer:
|
B
|
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|
What two things determine how much kinetic energy an object has?
A. its mass and velocity
B. its weight and volume
C. its mass and direction
D. its height and speed
Answer:
|
A
|
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|
What are the pores in plants that keep certain gases and liquids in and out called?
A. lesions
B. stomata
C. stigmata
D. chloroplasts
Answer:
|
B
|
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|
What is the disease in which bronchioles in the lungs periodically swell and fill with mucus?
A. nausea
B. leukemia
C. asthma
D. allergy
Answer:
|
C
|
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|
E. histolytica causes what kind of dysentery?
A. Spastic
B. spicule
C. cocklebur
D. amebic
Answer:
|
D
|
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|
What is a copy of an image formed by reflection or refraction?
A. a photographic image
B. an example
C. an image
D. a mirror image
Answer:
|
C
|
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|
What term refers to the union of a male and female of the same species for reproduction?
A. life cycle
B. evolution
C. mating
D. behavior
Answer:
|
C
|
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|
What bodily function do the triceps help perform?
A. perform crunches
B. lift the leg
C. extend the arm
D. make a fist
Answer:
|
C
|
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|
What properties describe the existence of matter, as opposed to chemical properties that describe how substances change into other substances?
A. physical
B. biological
C. astronomical
D. gravitational
Answer:
|
A
|
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|
Which phylum are all vertebrate organisms a member of?
A. phylum chordata
B. pylum protozoa
C. phylum hominid
D. phylum arthropod
Answer:
|
A
|
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|
What property of matter is defined as the ability to do work and is required by all living organisms in order to grow and reproduce?
A. energy
B. growth
C. food
D. heating
Answer:
|
A
|
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|
What do nearly all nonsense mutations lead to ?
A. nonfunctional proteins
B. downs syndrome
C. dehydration
D. hormone release
Answer:
|
A
|
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|
What cannot be created or destroyed in a chemical reaction?
A. heat
B. mass
C. energy
D. matter
Answer:
|
D
|
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|
When the energy of the earthquake reaches shore, it forms a huge wave called?
A. a tidal wave
B. a surge
C. a tsunami
D. a typhoon
Answer:
|
C
|
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|
Which muscle is broad, triangular and located on the inferior part of the back where it inserts into the aponeurosis?
A. dorsolateral dorsi
B. latissimus dorsi
C. bronchus dorsi
D. Synergistic dorsi
Answer:
|
B
|
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|
What do organisms need to speed up biochemical reactions?
A. genes
B. carbohydrates
C. enzymes
D. hormones
Answer:
|
C
|
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|
The properties of cyclic hydrocarbons are generally quite similar to those of the corresponding open-chain compounds. so cycloalkanes (with the exception of cyclopropane, which has a highly strained ring) act very much like noncyclic alkanes. cyclic structures containing five or six carbon atoms, such as cyclopentane and cyclohexane, are particularly what?
A. small
B. reactive
C. large
D. stable
Answer:
|
D
|
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|
What collect data on the land and sea in regards to the weather?
A. turbine stations
B. wind stations
C. weather stations
D. thermal stations
Answer:
|
C
|
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|
What is a form of matter that has a definite volume, but an indefinite shape?
A. a solid
B. a gas
C. a plasma
D. a liquid
Answer:
|
D
|
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|
What is stored and concentrated in the gallbladder?
A. oxygen
B. bile
C. calcium
D. insulin
Answer:
|
B
|
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|
What is the first step towards wound repair?
A. clotting factors
B. hormone factors
C. blotting factors
D. electrolysis factors
Answer:
|
A
|
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|
Noble gases are monatomic because they only contain one of what?
A. atoms
B. charges
C. ions
D. molecules
Answer:
|
A
|
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|
Genetic variation helps ensure that some organisms will survive if what happens?
A. there's an earthquake
B. they die
C. they get eaten
D. their environment changes
Answer:
|
D
|
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|
Earth’s magnetic north and south poles are not the same as what?
A. geographic poles
B. geographic currents
C. equatorial planes
D. geographic hemispheres
Answer:
|
A
|
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|
Push or pull acting on an object is also called?
A. Gravity.
B. force
C. space
D. effort
Answer:
|
B
|
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|
What colors in a neon sign represent real neon?
A. purple, blue
B. red, orange
C. blue, green
D. yellow, white
Answer:
|
B
|
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|
What kind of waves consist of vibrating electric and magnetic fields?
A. gaseous waves
B. hydraulic waves
C. sound waves
D. electromagnetic waves
Answer:
|
D
|
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|
When do weather balloons return to earth?
A. when it bursts
B. when the air heats up
C. when the timer runs out
D. when the air cools
Answer:
|
A
|
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|
What is the addition of oxygen to a molecule or the removal of hydrogen from a molecule called?
A. precipitation
B. ionization
C. oxidation
D. evaporation
Answer:
|
C
|
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|
Hair and nails are made of what?
A. chromatin
B. proteins
C. cellulose
D. keratin
Answer:
|
D
|
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|
What radiation, generally produced by thermal motion and the vibration and rotation of atoms and molecules, literally means "below red"?
A. infrared
B. microscopic
C. ultraviolet
D. gamma radiation
Answer:
|
A
|
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|
Lactose intolerance is a condition characterized by indigestion caused by this?
A. raw products
B. fried products
C. dairy products
D. pasteurized products
Answer:
|
C
|
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|
What is the name of the liquid component of a solution?
A. solute
B. ionic
C. reactant
D. solvent
Answer:
|
D
|
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|
What type of tissue consists of cells that cover inner and outer body surfaces?
A. epithelial?
B. Soft Tissue
C. mitochondrial ?
D. aberrant ?
Answer:
|
A
|
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|
Where is the site of photosynthesis?
A. the chloroburst
B. the organism
C. the chloroplast
D. another chloroplast
Answer:
|
C
|
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|
What can be identified as an element, a compound, or a mixture?
A. light
B. matter
C. waves
D. energy
Answer:
|
B
|
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|
Vaccination is the process of exposing a person to pathogens on purpose so the person will develop what?
A. immunity
B. allergy
C. sensitivity
D. autonomy
Answer:
|
A
|
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|
What is the layer above the troposphere?
A. stratosphere
B. earth
C. condensation
D. sediment
Answer:
|
A
|
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|
The calvin cycle and light reactions are the two stages of what process?
A. condensation
B. photosynthesis
C. cell growth
D. evaporation
Answer:
|
B
|
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|
Untreated chlamydia can lead to pelvic inflammatory disease, which affects what organ system?
A. circulatory system
B. nervous system
C. endocrine system
D. female reproductive system
Answer:
|
D
|
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|
What feature of the land do contour lines show?
A. trails
B. three-dimensional shape
C. bodies of water
D. flat surfaces
Answer:
|
B
|
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|
By what process does the haploid gametophyte produce the gametes?
A. mitosis
B. angiogenesis
C. Spermatogenesis
D. meiosis
Answer:
|
A
|
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|
Where do carrier proteins carry ions or molecules?
A. back to nucleus
B. between nuclei
C. across isotopes
D. across the membrane
Answer:
|
D
|
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|
Among vertebrates, what broad category of animals is most capable of learning?
A. fish
B. birds
C. reptiles
D. mammals
Answer:
|
D
|
sciq
|
What is the first step of the calvin cycle called?
A. breath fixation
B. dioxide fixation
C. carbon fixation
D. carbon maturation
Answer:
|
C
|
sciq
|
What harmful substance must not be drained into s storm sewer?
A. alcohol
B. debris
C. water runoff
D. motor oil
Answer:
|
D
|
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|
What is the special name given to the diffusion of water through the cell membrane?
A. hemostasis
B. osmosis
C. passive transport
D. electrolysis
Answer:
|
B
|
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|
What happens to the electrical conductivity of metals when placed in a pot of boiling water?
A. stays the same
B. decreases slowly
C. increases slowly
D. increases quickly
Answer:
|
B
|
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|
Most bird species display this behavior, meaning the male and female remain together for breeding for a few years or until one mate dies?
A. polygamy
B. isolation
C. monogamy
D. dichotomy
Answer:
|
C
|
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|
Many pathogens spread by droplets in the air. droplets are released when a person does what?
A. coughs or sneezes
B. vomits or cries
C. cries or laughs
D. itches or scratches
Answer:
|
A
|
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|
Chemical reactions that consume energy are called what?
A. endothermic reactions
B. exothermic reactions
C. greedy reactions
D. inefficient reactions
Answer:
|
A
|
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|
What do most organisms eat in the profundal zone of a lake?
A. dead organisms
B. fresh organisms
C. fish waste
D. algae organism
Answer:
|
A
|
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|
The variation in a sample can be represented by what quantity, which means the total spread of values?
A. range
B. mode
C. median
D. variety
Answer:
|
A
|
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|
A protein’s shape is determined, most fundamentally, by the sequence of what type of acids?
A. amino
B. acetic
C. lactic
D. lipids
Answer:
|
A
|
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|
What are the 3 types of tissues that modern plants have?
A. cambrium, epidermis, and ground
B. sturdy , ground , and vascular
C. sinuous , ground , and vascular
D. dermal, ground, and vascular
Answer:
|
D
|
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Tropomyosin is a type of what, that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin?
A. protein
B. bacteria
C. amine
D. enzyme
Answer:
|
A
|
sciq
|
Which group of the periodic table consists of hydrogen and the alkali metals?
A. group 1
B. group 3
C. group 2
D. group 4
Answer:
|
A
|
sciq
|
What helps frogs swim during the tadpole phase?
A. flagella
B. fins
C. a tail
D. cilia
Answer:
|
C
|
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|
What kind of radiation can be used to disrupt the dna-rna protein synthesis cycle that allows bacteria to reproduce?
A. non-ionizing
B. microwave
C. infrared
D. ionizing
Answer:
|
D
|
sciq
|
The adult cells that form the butterfly begin growing in what developmental stage?
A. pupa
B. mitochondria
C. caterpillar
D. embryo
Answer:
|
D
|
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|
What is the simplest type of carbon-based compounds?
A. particles
B. graphite
C. hydrocarbons
D. Buckminsterfullerine
Answer:
|
C
|
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|
What kinds of cells that are important to our physical functioning can atrophy when they are not used?
A. digestive
B. muscles
C. brain
D. reproductive
Answer:
|
B
|
sciq
|
Dengue fever and yellow fever are examples of diseases caused by what type of pathogen?
A. fungi
B. bacteria
C. worms
D. virus
Answer:
|
D
|
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|
The geologic time scale is divided into eons, eras, periods, and?
A. tropics
B. zones
C. epochs
D. cultures
Answer:
|
C
|
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|
What molecule is used for most energy functions in organisms?
A. DNA or deoxyribonucleic acid
B. atp or adenozine triphosphate
C. ADP or Adenosine Diphosphate
D. RNA or ribonucleic acid
Answer:
|
B
|
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|
Which part of the nephron collects wastes in the blood?
A. tubule
B. waste sac
C. vesicle
D. filter
Answer:
|
A
|
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|
What kind of behavior occurs only after experience or practice?
A. learned behavior
B. instinctive behavior
C. memory
D. juvenile behavior
Answer:
|
A
|
sciq
|
The right side of the heart collects what type of blood from the body?
A. dioxide-poor
B. oxygen-poor
C. potassium-rich
D. oxygen-rich
Answer:
|
B
|
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|
Hot material from near the sun’s center rises in which zone?
A. convection zone
B. radiative zone
C. drifting zone
D. thermosphere
Answer:
|
A
|
sciq
|
The presence of what in leaf cells makes most leaves appear green?
A. hydrogen
B. sodium
C. chlorophyll
D. carbonate
Answer:
|
C
|
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|
What is the name of the project concerning genetics that is one of the landmark scientific events of the last 50 years?
A. human genome project
B. human organism project
C. blue beam project
D. manhattan project
Answer:
|
A
|
sciq
|
Wind is one method for dispersal of what, ensuring a new generation?
A. clouds
B. seeds
C. dust
D. eggs
Answer:
|
B
|
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|
Most ecosystems are disturbed too often to attain what final, stable status?
A. even community
B. climax community
C. undisrupted community
D. calm community
Answer:
|
B
|
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|
What kind of diet is typical for raptors, such as hawks and owls?
A. fishes
B. herbivorous
C. carnivorous
D. carnivorous or herbivorous
Answer:
|
C
|
sciq
|
The most basic division of land plants is between what type of plants?
A. nonvascular and vascular
B. succulents and conifers
C. perennial and annual
D. deciduous and evergreen
Answer:
|
A
|
sciq
|
What do vaccines produce to combat viral diseases?
A. sensitivity
B. immunity
C. hyperthyroidism
D. sterility
Answer:
|
B
|
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|
Internal functions are coordinated and regulated so that the internal environment of a living thing is relatively constant, referred to as what?
A. hypothesis
B. homeostasis
C. homogenesis
D. stabilizer
Answer:
|
B
|
sciq
|
What is a long, tube-shaped bundle of neurons, protected by the vertebrae?
A. a dendrite
B. an axon
C. a ganglion
D. the spinal cord
Answer:
|
D
|
sciq
|
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