prompt stringlengths 51 646 | completion stringclasses 8 values |
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The hormones epinephrine and norepinephrine are released by what?
A. nutrients medulla
B. adrenal medulla
C. uptake medulla
D. external medulla
Answer: | B |
How many possible alleles do the majority of human genes have?
A. two or less
B. three or more
C. two or more
D. less than four
Answer: | C |
What occurs during the new moon and full moon, due to gravitational pull?
A. spring storms
B. spring floods
C. spring tides
D. spring waves
Answer: | C |
Alleles that carry deadly diseases are usually which type?
A. predominant
B. dominant
C. inherited
D. recessive
Answer: | D |
What releases fatty acids and other components from fats and phospholipids?
A. enzyme respiration
B. peristaltic hydrolysis
C. enzymatic hydrolysis
D. metabolism
Answer: | C |
What kind of energy comes from the position of a charged particle in an electric field?
A. mechanical energy
B. solar energy
C. thermal energy
D. potential energy
Answer: | D |
What does interstellar medium consist of?
A. dark matter
B. thinly spread gas and dust
C. the strong force
D. gravitational waves
Answer: | B |
Sickle-cell disease significantly impairs the function of what?
A. circulatory system
B. limbic system
C. metabolism system
D. nervous system
Answer: | A |
What is the enlarged tip of the penis called?
A. glans penis
B. testicular point
C. outer penis
D. angles penis
Answer: | A |
What do you call the point at which the entire weight of a body may be considered to be concentrated?
A. center of gravity
B. center of earth
C. direction of gravity
D. complex of gravity
Answer: | A |
At how many places does points source pollution enter water?
A. two
B. one
C. three
D. four
Answer: | B |
What do monarch butterfly larvae depend on for their food?
A. pollen
B. seaweed
C. milkweeds
D. honey
Answer: | C |
As lava cools, tiny iron-rich crystals line up with earth’s what?
A. oceans
B. magnetic field
C. gravitational field
D. molecular field
Answer: | B |
What do we call the amount of time a substance is stored in a reservoir?
A. presence time
B. latency
C. residence time
D. storage time
Answer: | C |
Osmotic pressure is important in biological systems because cell walls are what?
A. impassable
B. semipermeable membranes
C. variably membranes
D. theonym membranes
Answer: | B |
When does the diploid zygote form?
A. after the pollen tube
B. before the pollen tube
C. before the haploid zygote
D. never
Answer: | A |
What is the minimum number of times a partial lunar eclipse will occur each year?
A. five
B. six
C. two
D. 11
Answer: | C |
Microscopes were first developed in the early 1600s by this trade?
A. eyeglass makers
B. polyurethane makers
C. watch makers
D. food makers
Answer: | A |
What do we call the temperature at which a substance melts?
A. melting point
B. precipitation point
C. evaporation point
D. boiling point
Answer: | A |
What is the small, dense region at the center of the atom that consists of positive protons and neutral neutrons?
A. nucleus
B. photon
C. proton
D. electron
Answer: | A |
By multiplying the force applied by the perpendicular component of the moment arm,what is determined?
A. intensities
B. pressure
C. torques
D. radiation
Answer: | C |
What carry messages from our sensory organs and others to the central nervous system?
A. valves
B. fibers
C. nerves
D. blood vessels
Answer: | C |
What do you call the space around a charged particle where the particle exerts electric force on other charged particles?
A. melodic field
B. electric field
C. powered field
D. charged field
Answer: | B |
Natural convection is driven by what forces?
A. buoyant
B. magnetic
C. thermal
D. gravitational
Answer: | A |
Materials that can be magnetized are called?
A. ferromagnetic materials
B. inclusions materials
C. atoms materials
D. iron materials
Answer: | A |
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 |
Jellyfish belong to which phylum?
A. porifera
B. analidae
C. mycobacteria
D. cnidaria
Answer: | D |
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. larynx
B. trachea
C. pharynx
D. esoophagus
Answer: | A |
What intensifies the response during homeostasis?
A. positive feedback loops
B. pure loops
C. negative feedback loops
D. pressure loops
Answer: | A |
What is captured by the sticky structure at the top of the style called the stigma?
A. precipitation
B. sunlight
C. fungi
D. pollen
Answer: | D |
What is the term for a sac filled with fluid or other material?
A. cyst
B. tumor
C. lesion
D. blister
Answer: | A |
What organ protects the body from injury, water loss, and microorganisms?
A. liver
B. hair
C. heart
D. skin
Answer: | D |
In which phase do the sister chromatids separate?
A. passivation
B. anaphase
C. prophase
D. latent phase
Answer: | B |
Pinocytosis or "cellular drinking," occurs when the plasma membrane folds inward to form a channel allowing dissolved substances to enter what?
A. proteins
B. nucleus
C. cell
D. homeostasis
Answer: | C |
Adult tunicates also develop a sac, called a what?
A. frill
B. tunic
C. hood
D. skirt
Answer: | B |
What is the common measure of how hot or cold something is?
A. weight
B. variation
C. precipitation
D. temperature
Answer: | D |
Aquatic biomes in the ocean are called what?
A. aquiomes
B. water biomes
C. tundra
D. marine biomes
Answer: | D |
Oxygen reaches what veinless part of the eye by diffusing through its tear layer?
A. cornea
B. membranes
C. retina
D. pupil
Answer: | A |
Compound light microscopes use lenses to do what?
A. focus light
B. burn light
C. twist light
D. stop light
Answer: | A |
What are the "code words" of the genetic code?
A. nucleotides
B. lipids
C. codons
D. polymers
Answer: | C |
What processes allow for the greatest range of rotation within the vertebral column and facilitate the movement of the head?
A. articular
B. vertical
C. lateral
D. anterior
Answer: | A |
What property does coulomb electric force depend upon?
A. electric half
B. electric charge
C. electric case
D. electric neutral
Answer: | B |
What is the process of changing something from a gas to a liquid?
A. condensation
B. sublimation
C. fermentation
D. combustion
Answer: | A |
What are the two divisions of vascular plants?
A. seedless and seed
B. root and seed
C. aquatic and terrestrial
D. seedless and semi-seeded
Answer: | A |
What contains carbon, hydrogen, and oxygen in a ratio of 1:2:1?
A. helium
B. magnesium
C. carbohydrate
D. sodium
Answer: | C |
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 |
Like animals, cyanobacteria possess what kind of biological rhythm?
A. circadian rhythm
B. variable rhythm
C. music rhythm
D. brain rhythm
Answer: | A |
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. rock shards
B. metal ores
C. biological matter
D. uranium atoms
Answer: | C |
What two tubes extend from the upper corners of the uterus?
A. fallopian
B. ovarian
C. Cervical
D. ovary
Answer: | A |
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. stimulation wave
B. drainage wave
C. transverse wave
D. symmetrical wave
Answer: | C |
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. extraction
B. Metal Breakdown
C. magnesium
D. corrosion
Answer: | D |
What is a renewable resource that can take thousand of years to form?
A. wind
B. soil
C. water
D. sunlight
Answer: | B |
Impenetrable what underlies the soil of the forest?
A. topsoil
B. structure
C. bedrock
D. groundwater
Answer: | C |
What is the term for when two opposing processes reach the same speed, resulting in no overall change?
A. equilibrium
B. homeostasis
C. neutralization
D. acceleration
Answer: | A |
What term describes the number and kinds of species in a location or on the planet?
A. Allopatric speciation
B. biodiversity
C. habitat
D. ecosystem
Answer: | B |
What energy is stored in a person or object?
A. mechanical energy
B. kinetic energy
C. stored energy
D. potential energy
Answer: | D |
What do we call a peptide hormone composed of nine amino acids that lowers blood pressure?
A. parcnid
B. bufotenin
C. bradykinin
D. angiotensin
Answer: | C |
Which lymphoid organ is situated in the upper chest?
A. spleen
B. thymus
C. pancreas
D. thyroid gland
Answer: | B |
What is calculated by subtracting the smallest value from the largest value?
A. the density
B. the sample
C. the median
D. the range
Answer: | D |
Birds actually have two basic types of feathers: flight feathers and?
A. down feathers
B. landing feathers
C. shed feathers
D. colorful plumes
Answer: | A |
What is the name for the process of charging an object by touching it with another charged object?
A. charging by connection
B. charging by transfer
C. charging by conduction
D. charging by convection
Answer: | C |
Labor is the muscular contractions to expel the fetus and placenta from where?
A. uterus
B. tumors
C. lungs
D. anus
Answer: | A |
What are topographic maps that show water depths called?
A. Water Table maps
B. bathymetric maps
C. solenoid maps
D. morainic maps
Answer: | B |
What is the radula made mostly of?
A. schist
B. chitin
C. chlorophyll
D. casein
Answer: | B |
Energy transferred solely due to a temperature difference is called?
A. chemical energy
B. heat
C. magnetic energy
D. humidity
Answer: | B |
In which organ does a baby develop?
A. ovaries
B. uterus
C. pelvis
D. pancreas
Answer: | B |
What part of an experiment or other investigation consists of the individuals or events that are studied?
A. independent variable
B. sample
C. hypothesis
D. experimental control
Answer: | B |
The intentional release or spread of agents of disease is known as what?
A. disaster
B. act of war
C. bioterrorism
D. pandemic
Answer: | C |
If pressure is exerted on the rock from one direction, the rock forms layers. this is called what?
A. foliation
B. stratification
C. protonation
D. sedimentation
Answer: | A |
What term is used to describe the average weather of a place over many years?
A. meteorology
B. landscape
C. atmosphere
D. climate
Answer: | D |
A long chain of monosaccharides linked by glycosidic bonds is known as what?
A. polymers
B. polysaccharide
C. Fructose
D. sulfate
Answer: | B |
How do genes located on separate nonhomologous chromosomes sort?
A. independently
B. typically
C. intradependently
D. mechanically
Answer: | A |
What type of mass movement is a sudden movement of large blocks of rock and soil down a slope?
A. resurgence
B. slump
C. deluge
D. downturn
Answer: | B |
What consists of structures that produce eggs and secrete female sex hormones?
A. asexual reproductive system
B. female neural system
C. female reproductive system
D. male reproductive system
Answer: | C |
Lactic acid fermentation is common in muscle cells that have run out of what?
A. oxygen
B. carbon
C. helium
D. nitrogen
Answer: | A |
How many sets of chromosomes does each somatic cell have?
A. four
B. one
C. six
D. two
Answer: | D |
Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type?
A. stems
B. tubes
C. molds
D. needles
Answer: | D |
What is the most common plant-like protist?
A. unicellular algae
B. invasive algae
C. mundane algae
D. esoteric algae
Answer: | A |
What biochemicals mediate changes in target cells by binding to specific receptors?
A. amino acids
B. enzymes
C. acids
D. hormones
Answer: | D |
New land can be created when what happens to a volcano?
A. it evolves
B. it stays dormant
C. it erupts
D. it dies
Answer: | C |
To calculate acceleration without a change in direction, you just divide the change in velocity by the change in what?
A. height
B. size
C. time
D. weight
Answer: | C |
What is reduced and forms part of the gelatinous disks sandwiched between the vertebrae in humans?
A. the notochord
B. the pelvis
C. the sacrum
D. the clavicle
Answer: | A |
What type of relationship is parasitism?
A. primordial relationship
B. hypodermic relationship
C. enzymatic relationship
D. symbiotic relationship
Answer: | D |
What two things are used in optical instruments to reflect or refract light?
A. prisms and microscopes
B. orientations and lenses
C. mirrors and lenses
D. mirrors and magnifiers
Answer: | C |
What physical property of matter reflects how closely packed the particles of matter are?
A. build up
B. mass
C. makeup
D. density
Answer: | D |
What type of boiling point do nonmetals normally have?
A. high
B. odd
C. low
D. even
Answer: | C |
Coxal glands collect liquid waste from what?
A. heart
B. blood
C. plasma
D. lungs
Answer: | B |
The main organs of the cardiovascular system are the blood vessels and what else?
A. alveoli
B. lung
C. heart
D. capillaries
Answer: | C |
What substance flows over the land from precipitation or melting snow or ice?
A. lava
B. air
C. water
D. nitrogen
Answer: | C |
Most turtle bodies are covered by a special bony or cartilaginous shell developed from their what?
A. spines
B. fins
C. ribs
D. tails
Answer: | C |
What device uses an electromagnet to change electrical energy to kinetic energy?
A. public motor
B. melodic motor
C. Magnetic motor.
D. electric motor
Answer: | D |
What causes the particles of medium to move parallel to the direction of the wave?
A. mechanical waves
B. Sound waves.
C. fluid waves
D. longitudinal waves
Answer: | D |
Which state of matter lacks a fixed volume, fixed shape, and consists of charged particles?
A. isotopes
B. atoms
C. ions
D. electrons
Answer: | C |
What type of cell transmits electrical impulses in the nervous system?
A. toxin cell
B. nerve cell
C. Large Cell
D. trace cell
Answer: | B |
What is the force pushing a rocket called?
A. direction
B. thrust
C. momentum
D. friction
Answer: | B |
In headwater streams, what plant process is mostly attributed to algae that are growing on rocks?
A. mitosis
B. symbiosis
C. reproduction
D. photosynthesis
Answer: | D |
What is the term that refers to stored chemical energy in organic matter or wastes?
A. nuclear energy
B. starch energy
C. biomass energy
D. potential energy
Answer: | C |
The process of photosynthesis ultimately gets powered by what kind of energy?
A. light
B. electricity
C. biofuel
D. nonrenewable energy
Answer: | A |
A binary molecular compound is a molecular compound that is composed of what?
A. two atoms
B. four elements
C. two elements
D. four atoms
Answer: | C |
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. parthenogenesis
B. abiogenesis
C. biosynthesis
D. organogenesis
Answer: | D |
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