prompt
stringlengths 51
646
| completion
stringclasses 8
values | source
stringclasses 3
values |
|---|---|---|
Hormones produced by what gland in the neck increase the rate of metabolism in cells throughout the body?
A. thymus
B. thyroid
C. kidney
D. pituitary
Answer:
|
B
|
sciq
|
When the ventricles begin to contract, pressure within the ventricles rises and blood flows toward the area of lowest pressure, which is initially in the atria. this backflow causes the cusps of the tricuspid and mitral (bicuspid) valves to close. these valves are tied down to the papillary muscles by these?
A. chordae tendineae
B. photoreactive tendineae
C. choanocyte tendineae
D. chollphyide tendineae
Answer:
|
A
|
sciq
|
What is the skin of most reptiles covered with?
A. hairs
B. pores
C. scales
D. cuticle
Answer:
|
C
|
sciq
|
Gasoline, natural gas, fuel oil, diesel fuel, jet fuel, coal, kerosene, and propane are examples of what type of fule?
A. nuclear fue
B. electrolysis fuel
C. polymerization fuel
D. hydrocarbon fuel
Answer:
|
D
|
sciq
|
Nearly all life processes depend on what substance, which is involved in biochemical reactions?
A. food
B. hydrocarbons
C. water
D. air
Answer:
|
C
|
sciq
|
What has increased in the atmosphere throughout the history of the earth?
A. carbon
B. oxygen
C. nitrogen
D. wind
Answer:
|
B
|
sciq
|
Which two states of matter have definite volumes?
A. bacteria and liquids
B. solids and liquids
C. contrasts and liquids
D. GAS AND LIQUIDS
Answer:
|
B
|
sciq
|
Tendon, cartilage, and bone are examples of what type of tissue that supports and binds other tissues of the body?
A. muscular tissue
B. untreated tissue
C. connective tissue
D. repetitive tissue
Answer:
|
C
|
sciq
|
What is the sac-like organ at the end of the esophagus?
A. appendix
B. larynx
C. stomach
D. rectum
Answer:
|
C
|
sciq
|
Which class of acids acetic acid (ch 3 cooh) belongs to?
A. organic acids
B. strong acids
C. common acids
D. anorganic acids
Answer:
|
A
|
sciq
|
What happens to the total energy of the system when heat is positive?
A. it increases
B. nothing
C. it decreases
D. it remains constant
Answer:
|
A
|
sciq
|
What type of species can alternate between medusa and polyp forms?
A. mollusks
B. cnidarian
C. chordata
D. crocodilian
Answer:
|
B
|
sciq
|
Extensive and intensive are categories of properties that apply to what?
A. height
B. weight
C. matter
D. volume
Answer:
|
C
|
sciq
|
The vertebrate circulatory system enables blood to deliver ________ and remove wastes throughout the body.
A. oxygen and nutrients
B. acid and nutrients
C. fluid and nutrients
D. hydrogen and nutrients
Answer:
|
A
|
sciq
|
By what kind of change can a chemical change be reversed?
A. another carbon change
B. another thermal change
C. another radioactive change
D. another chemical change
Answer:
|
D
|
sciq
|
Earthquakes at convergent plate boundaries mark the location of the what?
A. subducting lithosphere
B. shorting lithosphere
C. speeding lithosphere
D. abducting lithosphere
Answer:
|
A
|
sciq
|
New seafloor forms when what object cools?
A. debris
B. ash
C. lava
D. rain
Answer:
|
C
|
sciq
|
What are groups of atoms that behave as a single unit called?
A. particles
B. ions
C. molecules
D. protons
Answer:
|
C
|
sciq
|
Hormones cause cellular changes by binding to receptors on these?
A. fighter cells
B. able cells
C. target cells
D. reach cells
Answer:
|
C
|
sciq
|
Food provides what type of energy needed by organisms, which is stored in bonds?
A. calories
B. chemical energy
C. radiation energy
D. caffeine
Answer:
|
B
|
sciq
|
Catabolic reactions involve breaking what?
A. molecules
B. bonds
C. levels
D. metals
Answer:
|
B
|
sciq
|
Scientists explain the world based on what?
A. observations
B. patterns
C. theories
D. changes
Answer:
|
A
|
sciq
|
What is the general name for saturated hydrocarbons?
A. alkanes
B. petrolatums
C. enzymes
D. halides
Answer:
|
A
|
sciq
|
Changing electric and mnagnetic fields radiate outward when?
A. charged particles accelerate
B. particles multiply
C. firing particles accelerate
D. particles lose their charge
Answer:
|
A
|
sciq
|
What significant part of the cell do prokaryotic cells lack?
A. mitochondrial dna
B. a cell wall
C. a ribosome
D. a nucleus
Answer:
|
D
|
sciq
|
Where do ectotherms get most of their heat?
A. external sources
B. internally
C. food
D. metabolism
Answer:
|
A
|
sciq
|
What layer is above the mesosphere?
A. ionosphere
B. stratosphere
C. exosphere
D. thermosphere
Answer:
|
D
|
sciq
|
What is produced by leydig cells in the embryonic testis and stimulates the development of male sexual organs?
A. androgen
B. estrogen
C. insulin
D. testosterone
Answer:
|
D
|
sciq
|
What is a continuous flow of electric charges called?
A. electric current
B. magnetic current
C. circuit
D. electricity
Answer:
|
A
|
sciq
|
What causes high winds and monsoon storms in the desert?
A. low winter temperature
B. and-12 summer temperature
C. moderate spring temperature
D. high summer temperature
Answer:
|
D
|
sciq
|
What are the three most common protective devices?
A. fuses , circuit breaks & surge claws
B. tranistors, resistors & diodes
C. fuses, circuit breaks & surge protectors
D. fuses , fabrication breaks & surge protectors
Answer:
|
C
|
sciq
|
Which veins return oxygen-rich blood from the lungs to the heart?
A. pulmonary
B. respiratory
C. varicose
D. jugular
Answer:
|
A
|
sciq
|
Makemake and pluto are classified as what type of celestial object?
A. nebula
B. gas giants
C. black holes
D. dwarf planets
Answer:
|
D
|
sciq
|
What do you call the entire range of wavelengths of electromagnetic waves?
A. molecular spectrum
B. electric spectrum
C. gaseous spectrum
D. electromagnetic spectrum
Answer:
|
D
|
sciq
|
Joules and calories are the units of what?
A. energy and heat
B. heat and velocity
C. mass and potential
D. weight and energy
Answer:
|
A
|
sciq
|
The brain and spinal cord are part of what system?
A. immune system
B. central nervous system
C. cardiovascular system
D. digestive system
Answer:
|
B
|
sciq
|
The two parathyroid glands are located behind what gland?
A. pituitary gland
B. thyroid
C. thymus
D. hypothalmus
Answer:
|
B
|
sciq
|
Fission is a method of what type of reproduction exhibited by some planarians?
A. sexual
B. asexual
C. propagation
D. spawning
Answer:
|
B
|
sciq
|
The best method for preparing pure phosphorous acid is by hydrolyzing what?
A. phosphorus trichloride
B. dioxide phosphat
C. dioxide trichloride
D. carbon trichloride
Answer:
|
A
|
sciq
|
What bonds result from the overlap of atomic orbitals?
A. valent
B. hydrogen
C. covalents
D. metallic
Answer:
|
C
|
sciq
|
What is a cluster of neuron cell bodies in the pns called?
A. ganglion
B. gangnem
C. crystals
D. groupilion
Answer:
|
A
|
sciq
|
Unlike the passive form, the sodium-potassium pump uses what type of transport?
A. phase
B. Low
C. active
D. High
Answer:
|
C
|
sciq
|
On insects, what are the openings on the sides of the abdomen that allows respiration to occur?
A. spiracles
B. wings
C. gills
D. chloroplasts
Answer:
|
A
|
sciq
|
Salts of weak acids or bases can affect the acidity or what of their aqueous solution?
A. ductility
B. compound
C. atomicity
D. basicity
Answer:
|
D
|
sciq
|
Flowers, double fertilization, and fruits are unique features of what life cycle?
A. angiosperm
B. dinoflagellate
C. early lifehood
D. protozoa
Answer:
|
A
|
sciq
|
What is most often the cause of encephalitis?
A. calcium buildup
B. viruses
C. bacterial infections
D. parasites
Answer:
|
B
|
sciq
|
Why do microwaves have a higher energy than radio waves?
A. higher decibel
B. higher resonance
C. lower frequency
D. higher frequency
Answer:
|
D
|
sciq
|
What is cytology.
A. the study of atomic structure
B. the study of cell structure
C. the study of plants
D. the study of cancers
Answer:
|
B
|
sciq
|
When solids change to gasses, they generally pass through what other state?
A. liquid
B. carbon
C. frozen
D. chemical
Answer:
|
A
|
sciq
|
What is the structure which hangs from a newly hatched salmon larva?
A. liquid sac
B. stomach sac
C. yolk sac
D. air sac
Answer:
|
C
|
sciq
|
What is made up of the pinna, ear canal, and eardrum?
A. the epidermis
B. the nervous system
C. the outer ear
D. the inner ear
Answer:
|
C
|
sciq
|
What type of solvents is glucose insoluble in?
A. polar
B. acidic
C. alkaline
D. nonpolar
Answer:
|
D
|
sciq
|
What organ is divided into the duodenum, the jejunum, and the ileum?
A. large intestine
B. kidney
C. lung
D. small intestine
Answer:
|
D
|
sciq
|
Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what?
A. precipitation
B. oxygen
C. temperature
D. air pressure
Answer:
|
C
|
sciq
|
A comet striking the earth may have caused mass extinction, this would have decreased sunlight, which would have effected what plant process reducing food?
A. photosynthesis
B. decomposition
C. fertilization
D. glycolysis
Answer:
|
A
|
sciq
|
Normal body temperature is ideal for most of what type of reactions?
A. theoretical
B. gas
C. plasma
D. biochemical
Answer:
|
D
|
sciq
|
What separates and strongly unites bodies of adjacent vertebrae?
A. synovial fluid
B. interstitial fluid
C. collagen fibers
D. intervertebral disc
Answer:
|
D
|
sciq
|
About 20 percent of carbon dioxide is bound by hemoglobin and is transported where?
A. brain tissues
B. bones
C. intestines
D. lungs
Answer:
|
D
|
sciq
|
Which outermost secondary xylem layers transport water?
A. the farthest
B. the oldest
C. the youngest
D. the narrowest
Answer:
|
C
|
sciq
|
What did volcanic gases help to form on earth?
A. water
B. atmosphere
C. plants
D. rocks
Answer:
|
B
|
sciq
|
What is formed when the ceiling of an underground cave collapses?
A. hill
B. mountain
C. groundwater
D. sinkhole
Answer:
|
D
|
sciq
|
What type of muscle makes up most of the heart?
A. heart muscle
B. respiratory muscle
C. chest muscles
D. cardiac muscle
Answer:
|
D
|
sciq
|
What measures the amount of water in the air?
A. cloud cover
B. humidity
C. fire index
D. temperature
Answer:
|
B
|
sciq
|
Most terrestrial vertebrates have what type of lungs?
A. mechanical
B. external
C. extra
D. internal
Answer:
|
D
|
sciq
|
What process joins two haploid gametes into a diploid zygote?
A. fusion
B. embryo
C. fertilization
D. migration
Answer:
|
C
|
sciq
|
Planets are held by the force of gravity in elliptical orbits around what?
A. mars
B. earth
C. sun
D. jupitor
Answer:
|
C
|
sciq
|
What is the fastest land animal?
A. greyhound
B. ostrich
C. rhino
D. cheetah
Answer:
|
D
|
sciq
|
What is the process by which the remains of living things become fossils?
A. decomposition
B. sublimation
C. petrification
D. fossilization
Answer:
|
D
|
sciq
|
Meters, such as those in analog fuel gauges on a car, are a common application of magnetic torque on a current-carrying what?
A. circuit
B. arc
C. dial
D. loop
Answer:
|
D
|
sciq
|
What causes reduction of elasticity in all organs?
A. weight gain
B. age
C. radiation
D. low vitamin D
Answer:
|
B
|
sciq
|
How many protons and electrons each do carbon atoms have?
A. five
B. nine
C. six
D. two
Answer:
|
C
|
sciq
|
What thickens the cortex around the inner edge of a cell?
A. vacuoles
B. plasma membrane
C. microfilaments
D. mitochondria
Answer:
|
C
|
sciq
|
What value of dissolved substances is higher than that of their corresponding precipitate?
A. entropy
B. binary
C. negentropy
D. ordiny
Answer:
|
A
|
sciq
|
Is an acid lower or higher than 7 on the ph scale?
A. lower than 7
B. exactly 7
C. twice as much as 7
D. higher than 7
Answer:
|
A
|
sciq
|
Although what biochemicals circulate throughout the body and come into contact with many different cell types, they only affect cells that possess the necessary receptors?
A. hormones
B. Cells
C. organs
D. enzymes
Answer:
|
A
|
sciq
|
The right atrium receives all of the systemic venous return. most of the blood flows into either the superior vena cava or this?
A. identical vena cava
B. exterior vena cava
C. inferior vena cava
D. resulted vena cava
Answer:
|
C
|
sciq
|
Tissue is made up of layers of tightly packed cells that line the surfaces of the body, such as skin.
A. resultant tissue
B. epithelial tissue
C. neural tissue
D. weak tissue
Answer:
|
B
|
sciq
|
Most lipid hormones are derived from what?
A. fat
B. cholesterol
C. protein
D. tissue
Answer:
|
B
|
sciq
|
A fact or question is only considered science if it has what property?
A. it is mineral
B. it is believable
C. it is interesting
D. it is testable
Answer:
|
D
|
sciq
|
Which branch of science is the study of energy, matter, and their interactions?
A. meteorology
B. physics
C. biology
D. geology
Answer:
|
B
|
sciq
|
What is the smallest unit capable of life known as?
A. living thing
B. a cell
C. insect
D. organism
Answer:
|
B
|
sciq
|
Making associations between experiences is often a part of what activity?
A. sleeping
B. dying
C. learning
D. eating
Answer:
|
C
|
sciq
|
The spectrum is made up of discrete lines representing transitions of the hydrogen electron between specific energy levels within what?
A. the atom
B. the molecule
C. an element
D. a rainbow
Answer:
|
A
|
sciq
|
In the field of biodiversity, "richness" and "abundance" are used to describe different what?
A. densities
B. species
C. nutrients
D. water sources
Answer:
|
B
|
sciq
|
Nitrogen is an important macronutrient because it is part of nucleic acids and proteins. atmospheric nitrogen, which is the diatomic molecule n2, or dinitrogen, is the largest pool of nitrogen in these?
A. terrestrial ecosystems
B. aquatic ecosytems
C. desert biomes
D. gas planets
Answer:
|
A
|
sciq
|
What is the term for rotation of a bone toward the midline of the body?
A. interior rotation
B. visual rotation
C. medial rotation
D. lateral rotation
Answer:
|
C
|
sciq
|
What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores?
A. viruses
B. parasites
C. bacteria
D. contaminants
Answer:
|
A
|
sciq
|
What are the two methods in which mutations arise in dna?
A. produced or spontaneous
B. accelerated or random
C. induced or spontaneous
D. accelerated or spontaneous
Answer:
|
C
|
sciq
|
Water follows where sodium ions lead, due to what process?
A. hydration
B. osmosis
C. absorption
D. electrolysis
Answer:
|
B
|
sciq
|
What group of simple organisms recycles nutrients and has been on earth since long before multicellular life appeared?
A. eukaryotes
B. protists
C. prokaryotes
D. bacteria
Answer:
|
C
|
sciq
|
What is the term for dry climate regions at higher altitudes that have short grasses and low bushes?
A. deserts
B. fringes
C. steppes
D. prairie
Answer:
|
C
|
sciq
|
Changing the frequency of sound waves, will change the _________ of the sound of a musical instrument?
A. distance
B. velocity
C. direction
D. pitch
Answer:
|
D
|
sciq
|
What does the term porifera means?
A. poreless
B. pore-clogging
C. pore - signifying
D. pore-bearing
Answer:
|
D
|
sciq
|
What zone is the narrow strip along the coastline that is covered by water at high tide and exposed to air at low tide?
A. disturbance zone
B. intertidal zone
C. aquifer zone
D. astrolabe zone
Answer:
|
B
|
sciq
|
Integral and peripheral proteins are associated with what fatty bilayer?
A. cartilage
B. carbohydrate
C. protein
D. lipid
Answer:
|
D
|
sciq
|
What effect describes how earth’s rotation steers winds and surface ocean currents?
A. Big Bang theory
B. coriolis
C. dorsalis
D. centripetal force
Answer:
|
B
|
sciq
|
What type of shape does sodium chloride have?
A. oblong
B. trianguler
C. round
D. cubic
Answer:
|
D
|
sciq
|
In what form of matter is hydrogen at room temperature?
A. liquid
B. gas
C. dissolved
D. solid
Answer:
|
B
|
sciq
|
What is the smallest contractile portion of a muscle?
A. filaments
B. capillary
C. cell
D. sarcomere
Answer:
|
D
|
sciq
|
Which is the fourth planet from the sun?
A. mars
B. mars
C. jupiter
D. earth
Answer:
|
A
|
sciq
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.