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The hormones epinephrine and norepinephrine are released by what?
A. adrenal medulla
B. nutrients medulla
C. uptake medulla
D. external medulla
Answer:
|
A
|
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|
How many possible alleles do the majority of human genes have?
A. less than four
B. three or more
C. two or less
D. two or more
Answer:
|
D
|
sciq
|
What occurs during the new moon and full moon, due to gravitational pull?
A. spring waves
B. spring tides
C. spring storms
D. spring floods
Answer:
|
B
|
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|
Alleles that carry deadly diseases are usually which type?
A. recessive
B. inherited
C. predominant
D. dominant
Answer:
|
A
|
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|
What releases fatty acids and other components from fats and phospholipids?
A. metabolism
B. enzyme respiration
C. peristaltic hydrolysis
D. enzymatic hydrolysis
Answer:
|
D
|
sciq
|
What kind of energy comes from the position of a charged particle in an electric field?
A. mechanical energy
B. solar energy
C. potential energy
D. thermal energy
Answer:
|
C
|
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|
What does interstellar medium consist of?
A. thinly spread gas and dust
B. the strong force
C. dark matter
D. gravitational waves
Answer:
|
A
|
sciq
|
Sickle-cell disease significantly impairs the function of what?
A. metabolism system
B. limbic system
C. nervous system
D. circulatory system
Answer:
|
D
|
sciq
|
What is the enlarged tip of the penis called?
A. testicular point
B. outer penis
C. glans penis
D. angles penis
Answer:
|
C
|
sciq
|
What do you call the point at which the entire weight of a body may be considered to be concentrated?
A. center of earth
B. center of gravity
C. complex of gravity
D. direction of gravity
Answer:
|
B
|
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|
At how many places does points source pollution enter water?
A. three
B. four
C. one
D. two
Answer:
|
C
|
sciq
|
What do monarch butterfly larvae depend on for their food?
A. pollen
B. milkweeds
C. seaweed
D. honey
Answer:
|
B
|
sciq
|
As lava cools, tiny iron-rich crystals line up with earth’s what?
A. oceans
B. gravitational field
C. magnetic field
D. molecular field
Answer:
|
C
|
sciq
|
What do we call the amount of time a substance is stored in a reservoir?
A. latency
B. storage time
C. presence time
D. residence time
Answer:
|
D
|
sciq
|
Osmotic pressure is important in biological systems because cell walls are what?
A. theonym membranes
B. variably membranes
C. impassable
D. semipermeable membranes
Answer:
|
D
|
sciq
|
When does the diploid zygote form?
A. never
B. before the pollen tube
C. before the haploid zygote
D. after the pollen tube
Answer:
|
D
|
sciq
|
What is the minimum number of times a partial lunar eclipse will occur each year?
A. 11
B. six
C. five
D. two
Answer:
|
D
|
sciq
|
Microscopes were first developed in the early 1600s by this trade?
A. food makers
B. polyurethane makers
C. eyeglass makers
D. watch makers
Answer:
|
C
|
sciq
|
What do we call the temperature at which a substance melts?
A. evaporation point
B. melting point
C. precipitation point
D. boiling point
Answer:
|
B
|
sciq
|
What is the small, dense region at the center of the atom that consists of positive protons and neutral neutrons?
A. photon
B. electron
C. proton
D. nucleus
Answer:
|
D
|
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|
By multiplying the force applied by the perpendicular component of the moment arm,what is determined?
A. radiation
B. pressure
C. intensities
D. torques
Answer:
|
D
|
sciq
|
What carry messages from our sensory organs and others to the central nervous system?
A. blood vessels
B. nerves
C. fibers
D. valves
Answer:
|
B
|
sciq
|
What do you call the space around a charged particle where the particle exerts electric force on other charged particles?
A. powered field
B. melodic field
C. charged field
D. electric field
Answer:
|
D
|
sciq
|
Natural convection is driven by what forces?
A. magnetic
B. thermal
C. buoyant
D. gravitational
Answer:
|
C
|
sciq
|
Materials that can be magnetized are called?
A. ferromagnetic materials
B. iron materials
C. atoms materials
D. inclusions materials
Answer:
|
A
|
sciq
|
The overall purpose of the light-dependent reactions is to convert light energy into this?
A. photosynthesis
B. thermal energy
C. calories
D. chemical reactions
Answer:
|
D
|
sciq
|
Jellyfish belong to which phylum?
A. cnidaria
B. porifera
C. mycobacteria
D. analidae
Answer:
|
A
|
sciq
|
Along with changes in the shape of the resonant cavity, growth of what organ in pubescent boys leads to the difference in predominant frequencies in speech between men and women?
A. pharynx
B. trachea
C. larynx
D. esoophagus
Answer:
|
C
|
sciq
|
What intensifies the response during homeostasis?
A. pressure loops
B. positive feedback loops
C. pure loops
D. negative feedback loops
Answer:
|
B
|
sciq
|
What is captured by the sticky structure at the top of the style called the stigma?
A. sunlight
B. precipitation
C. fungi
D. pollen
Answer:
|
D
|
sciq
|
What is the term for a sac filled with fluid or other material?
A. lesion
B. blister
C. cyst
D. tumor
Answer:
|
C
|
sciq
|
What organ protects the body from injury, water loss, and microorganisms?
A. skin
B. hair
C. heart
D. liver
Answer:
|
A
|
sciq
|
In which phase do the sister chromatids separate?
A. anaphase
B. prophase
C. latent phase
D. passivation
Answer:
|
A
|
sciq
|
Pinocytosis or "cellular drinking," occurs when the plasma membrane folds inward to form a channel allowing dissolved substances to enter what?
A. nucleus
B. cell
C. homeostasis
D. proteins
Answer:
|
B
|
sciq
|
Adult tunicates also develop a sac, called a what?
A. hood
B. frill
C. skirt
D. tunic
Answer:
|
D
|
sciq
|
What is the common measure of how hot or cold something is?
A. variation
B. precipitation
C. weight
D. temperature
Answer:
|
D
|
sciq
|
Aquatic biomes in the ocean are called what?
A. aquiomes
B. tundra
C. marine biomes
D. water biomes
Answer:
|
C
|
sciq
|
Oxygen reaches what veinless part of the eye by diffusing through its tear layer?
A. pupil
B. retina
C. cornea
D. membranes
Answer:
|
C
|
sciq
|
Compound light microscopes use lenses to do what?
A. focus light
B. twist light
C. stop light
D. burn light
Answer:
|
A
|
sciq
|
What are the "code words" of the genetic code?
A. codons
B. lipids
C. polymers
D. nucleotides
Answer:
|
A
|
sciq
|
What processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head?
A. anterior
B. articular
C. lateral
D. vertical
Answer:
|
B
|
sciq
|
What property does coulomb electric force depend upon?
A. electric case
B. electric neutral
C. electric half
D. electric charge
Answer:
|
D
|
sciq
|
What is the process of changing something from a gas to a liquid?
A. sublimation
B. fermentation
C. combustion
D. condensation
Answer:
|
D
|
sciq
|
What are the two divisions of vascular plants?
A. seedless and seed
B. root and seed
C. seedless and semi-seeded
D. aquatic and terrestrial
Answer:
|
A
|
sciq
|
What contains carbon, hydrogen, and oxygen in a ratio of 1:2:1?
A. helium
B. magnesium
C. carbohydrate
D. sodium
Answer:
|
C
|
sciq
|
During interphase of what process, each chromosome is duplicated, and the sister chromatids formed during synthesis are held together at the centromere region by cohesin proteins?
A. meiosis
B. mitosis
C. apoptosis
D. digestion
Answer:
|
A
|
sciq
|
Like animals, cyanobacteria possess what kind of biological rhythm?
A. variable rhythm
B. brain rhythm
C. music rhythm
D. circadian rhythm
Answer:
|
D
|
sciq
|
The ocean is the largest marine biome. it is a continuous body of salt water that is relatively uniform in chemical composition; it is a weak solution of mineral salts and decayed what?
A. biological matter
B. metal ores
C. rock shards
D. uranium atoms
Answer:
|
A
|
sciq
|
What two tubes extend from the upper corners of the uterus?
A. ovarian
B. Cervical
C. ovary
D. fallopian
Answer:
|
D
|
sciq
|
What term describes a wave in which particles of the medium vibrate at right angles, or perpendicular, to the direction that the wave travels?
A. transverse wave
B. stimulation wave
C. symmetrical wave
D. drainage wave
Answer:
|
A
|
sciq
|
Exemplified by rusty iron, what process is defined as the disintegration of a material due to chemical reactions with other substances in the environment?
A. magnesium
B. corrosion
C. Metal Breakdown
D. extraction
Answer:
|
B
|
sciq
|
What is a renewable resource that can take thousand of years to form?
A. sunlight
B. soil
C. wind
D. water
Answer:
|
B
|
sciq
|
Impenetrable what underlies the soil of the forest?
A. structure
B. groundwater
C. topsoil
D. bedrock
Answer:
|
D
|
sciq
|
What is the term for when two opposing processes reach the same speed, resulting in no overall change?
A. acceleration
B. neutralization
C. equilibrium
D. homeostasis
Answer:
|
C
|
sciq
|
What term describes the number and kinds of species in a location or on the planet?
A. habitat
B. ecosystem
C. biodiversity
D. Allopatric speciation
Answer:
|
C
|
sciq
|
What energy is stored in a person or object?
A. mechanical energy
B. kinetic energy
C. potential energy
D. stored energy
Answer:
|
C
|
sciq
|
What do we call a peptide hormone composed of nine amino acids that lowers blood pressure?
A. parcnid
B. bradykinin
C. angiotensin
D. bufotenin
Answer:
|
B
|
sciq
|
Which lymphoid organ is situated in the upper chest?
A. spleen
B. thyroid gland
C. pancreas
D. thymus
Answer:
|
D
|
sciq
|
What is calculated by subtracting the smallest value from the largest value?
A. the median
B. the sample
C. the density
D. the range
Answer:
|
D
|
sciq
|
Birds actually have two basic types of feathers: flight feathers and?
A. shed feathers
B. colorful plumes
C. landing feathers
D. down feathers
Answer:
|
D
|
sciq
|
What is the name for the process of charging an object by touching it with another charged object?
A. charging by conduction
B. charging by convection
C. charging by transfer
D. charging by connection
Answer:
|
A
|
sciq
|
Labor is the muscular contractions to expel the fetus and placenta from where?
A. tumors
B. anus
C. uterus
D. lungs
Answer:
|
C
|
sciq
|
What are topographic maps that show water depths called?
A. morainic maps
B. bathymetric maps
C. solenoid maps
D. Water Table maps
Answer:
|
B
|
sciq
|
What is the radula made mostly of?
A. chlorophyll
B. schist
C. chitin
D. casein
Answer:
|
C
|
sciq
|
Energy transferred solely due to a temperature difference is called?
A. magnetic energy
B. humidity
C. heat
D. chemical energy
Answer:
|
C
|
sciq
|
In which organ does a baby develop?
A. pelvis
B. uterus
C. pancreas
D. ovaries
Answer:
|
B
|
sciq
|
What part of an experiment or other investigation consists of the individuals or events that are studied?
A. sample
B. hypothesis
C. independent variable
D. experimental control
Answer:
|
A
|
sciq
|
The intentional release or spread of agents of disease is known as what?
A. pandemic
B. bioterrorism
C. disaster
D. act of war
Answer:
|
B
|
sciq
|
If pressure is exerted on the rock from one direction, the rock forms layers. this is called what?
A. foliation
B. protonation
C. stratification
D. sedimentation
Answer:
|
A
|
sciq
|
What term is used to describe the average weather of a place over many years?
A. atmosphere
B. meteorology
C. landscape
D. climate
Answer:
|
D
|
sciq
|
A long chain of monosaccharides linked by glycosidic bonds is known as what?
A. sulfate
B. Fructose
C. polysaccharide
D. polymers
Answer:
|
C
|
sciq
|
How do genes located on separate nonhomologous chromosomes sort?
A. intradependently
B. typically
C. independently
D. mechanically
Answer:
|
C
|
sciq
|
What type of mass movement is a sudden movement of large blocks of rock and soil down a slope?
A. slump
B. downturn
C. deluge
D. resurgence
Answer:
|
A
|
sciq
|
What consists of structures that produce eggs and secrete female sex hormones?
A. asexual reproductive system
B. female reproductive system
C. female neural system
D. male reproductive system
Answer:
|
B
|
sciq
|
Lactic acid fermentation is common in muscle cells that have run out of what?
A. oxygen
B. helium
C. nitrogen
D. carbon
Answer:
|
A
|
sciq
|
How many sets of chromosomes does each somatic cell have?
A. one
B. four
C. six
D. two
Answer:
|
D
|
sciq
|
Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type?
A. tubes
B. needles
C. molds
D. stems
Answer:
|
B
|
sciq
|
What is the most common plant-like protist?
A. mundane algae
B. unicellular algae
C. invasive algae
D. esoteric algae
Answer:
|
B
|
sciq
|
What biochemicals mediate changes in target cells by binding to specific receptors?
A. acids
B. enzymes
C. hormones
D. amino acids
Answer:
|
C
|
sciq
|
New land can be created when what happens to a volcano?
A. it evolves
B. it erupts
C. it dies
D. it stays dormant
Answer:
|
B
|
sciq
|
To calculate acceleration without a change in direction, you just divide the change in velocity by the change in what?
A. weight
B. time
C. height
D. size
Answer:
|
B
|
sciq
|
What is reduced and forms part of the gelatinous disks sandwiched between the vertebrae in humans?
A. the pelvis
B. the sacrum
C. the clavicle
D. the notochord
Answer:
|
D
|
sciq
|
What type of relationship is parasitism?
A. primordial relationship
B. enzymatic relationship
C. symbiotic relationship
D. hypodermic relationship
Answer:
|
C
|
sciq
|
What two things are used in optical instruments to reflect or refract light?
A. mirrors and magnifiers
B. mirrors and lenses
C. orientations and lenses
D. prisms and microscopes
Answer:
|
B
|
sciq
|
What physical property of matter reflects how closely packed the particles of matter are?
A. mass
B. density
C. build up
D. makeup
Answer:
|
B
|
sciq
|
What type of boiling point do nonmetals normally have?
A. odd
B. low
C. even
D. high
Answer:
|
B
|
sciq
|
Coxal glands collect liquid waste from what?
A. lungs
B. blood
C. plasma
D. heart
Answer:
|
B
|
sciq
|
The main organs of the cardiovascular system are the blood vessels and what else?
A. capillaries
B. alveoli
C. heart
D. lung
Answer:
|
C
|
sciq
|
What substance flows over the land from precipitation or melting snow or ice?
A. nitrogen
B. water
C. air
D. lava
Answer:
|
B
|
sciq
|
Most turtle bodies are covered by a special bony or cartilaginous shell developed from their what?
A. fins
B. ribs
C. spines
D. tails
Answer:
|
B
|
sciq
|
What device uses an electromagnet to change electrical energy to kinetic energy?
A. Magnetic motor.
B. electric motor
C. public motor
D. melodic motor
Answer:
|
B
|
sciq
|
What causes the particles of medium to move parallel to the direction of the wave?
A. longitudinal waves
B. fluid waves
C. Sound waves.
D. mechanical waves
Answer:
|
A
|
sciq
|
Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles?
A. isotopes
B. electrons
C. ions
D. atoms
Answer:
|
C
|
sciq
|
What type of cell transmits electrical impulses in the nervous system?
A. toxin cell
B. Large Cell
C. nerve cell
D. trace cell
Answer:
|
C
|
sciq
|
What is the force pushing a rocket called?
A. friction
B. thrust
C. direction
D. momentum
Answer:
|
B
|
sciq
|
In headwater streams, what plant process is mostly attributed to algae that are growing on rocks?
A. photosynthesis
B. symbiosis
C. reproduction
D. mitosis
Answer:
|
A
|
sciq
|
What is the term that refers to stored chemical energy in organic matter or wastes?
A. potential energy
B. nuclear energy
C. biomass energy
D. starch energy
Answer:
|
C
|
sciq
|
The process of photosynthesis ultimately gets powered by what kind of energy?
A. biofuel
B. electricity
C. nonrenewable energy
D. light
Answer:
|
D
|
sciq
|
A binary molecular compound is a molecular compound that is composed of what?
A. two atoms
B. four atoms
C. four elements
D. two elements
Answer:
|
D
|
sciq
|
Within the first 8 weeks of gestation, a developing embryo establishes the rudimentary structures of all of its organs and tissues from the ectoderm, mesoderm, and endoderm. this process is called what?
A. biosynthesis
B. parthenogenesis
C. abiogenesis
D. organogenesis
Answer:
|
D
|
sciq
|
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