prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Cell transport refers to the movement of substances across what structure?
A. cell wall
B. cell membrane
C. chloroplasm
D. phloem
Answer: | B | sciq |
What term describes the rate at which a device changes electric current to another form of energy?
A. electric power
B. kilowatts
C. kinetic energy
D. voltage
Answer: | A | sciq |
What happens when a sodium atom loses an electron?
A. combines with hydrogen
B. gains a proton
C. becomes sodium ion
D. becomes calcium
Answer: | C | sciq |
When a fluorine atom gains an electron, it becomes a negative what?
A. sulfide ion
B. potassium ion
C. hydrogen ion
D. fluoride ion
Answer: | D | sciq |
The endocrine system consists of cells, tissues, and organs that secrete what critical to homeostasis?
A. hormones
B. saliva
C. antibodies
D. acids
Answer: | A | sciq |
What is formed when two dna strands link together in an antiparallel direction and are twisted?
A. guanine
B. anti-helix
C. double helix
D. RNA
Answer: | C | sciq |
Particles of a gas are constantly moving and bumping into things. this gives gases what?
A. resistance
B. strength
C. pressure
D. velocity
Answer: | C | sciq |
Which part of a leaf contains openings known as stomata, through which the exchange of gases takes place?
A. phloem
B. stoma
C. cuticle
D. epidermis
Answer: | D | sciq |
Which system transports oxygens to cells?
A. vascular system
B. nervous system
C. circulatory system
D. oxy system
Answer: | C | sciq |
What is the part of a plant whose primary role is to collect sunlight and make food by photosynthesis?
A. stems
B. leaves
C. roots
D. seeds
Answer: | B | sciq |
Technically, any redox reaction can be set up to make a what?
A. voltaic cell
B. Black Cell
C. blocky cell
D. skaht cell
Answer: | A | sciq |
What percentage of all species that ever lived on earth have gone extinct?
A. 50%
B. 25%
C. 99%
D. 93 %
Answer: | C | sciq |
What is the diffusion of water known as?
A. osmosis
B. hemostasis
C. electrolysis
D. evaporation
Answer: | A | sciq |
What is it called when plants release water vapor through their leaves?
A. eutrophication
B. photosynthesis
C. transpiration
D. evaporation
Answer: | C | sciq |
Earth goes through regular changes in its position relative to?
A. the moon
B. saturn
C. mars
D. the sun
Answer: | D | sciq |
A symporter carries how many different molecules or ions in the same direction?
A. three
B. two
C. one
D. four
Answer: | B | sciq |
Large amounts of fuel are stored in skeletal muscles, adipose tissues and what organ?
A. spleen
B. kidney
C. liver
D. skin
Answer: | C | sciq |
Intrusive igneous rocks cool from magma slowly in the crust and have large what?
A. atoms
B. pores
C. crystals
D. coal deposits
Answer: | C | sciq |
What is the term used for the ability of salamanders to grow back lost limbs and other body parts?
A. transformation
B. extraction
C. expansion
D. regeneration
Answer: | D | sciq |
A winter storm is called what?
A. tempest
B. gale
C. blizzard
D. snow storm
Answer: | C | sciq |
The trochophre, a unique larval form, is found in the life cycle of which animal classification.
A. mollusks
B. sharks
C. eels
D. coral
Answer: | A | sciq |
Within organs, arteries branch into what small vessels that convey blood to the capillaries?
A. arterioles
B. blood valves
C. Metarterioles
D. aeortic vessels
Answer: | A | sciq |
Diamond is extremely hard because of the strong bonding between ______ in all directions?
A. hydrogen atoms
B. carbon atoms
C. liquid atoms
D. consistent atoms
Answer: | B | sciq |
Vertebrates. from the smallest of fish to us. one of the main features we all have in common is our what?
A. hair
B. laying eggs
C. warm blood
D. backbone
Answer: | D | sciq |
The fight or flight response and similar responses are controlled by what part of the nervous system?
A. cells
B. central nervous system
C. spinal cord
D. autonomous
Answer: | D | sciq |
Deposition refers to when a gas changes to what state?
A. plasma
B. solid
C. liquid
D. half liquid half gas
Answer: | B | sciq |
Nuclear changes occur with a simultaneous release of what, and a slight drop in mass?
A. hydrogen
B. mineral
C. energy
D. oil
Answer: | C | sciq |
The way of learning that involves reward and punishment is called?
A. mixed
B. conditioning
C. foolish
D. pressure
Answer: | B | sciq |
The sodium-potassium pump is an active transport pump that exchanges sodium ions for what?
A. nitrogen ions
B. potassium ions
C. chlorine ions
D. oxygen ions
Answer: | B | sciq |
Mass multiplied by velocity equals what force?
A. momentum
B. kinetic energy
C. bounce
D. inertia
Answer: | A | sciq |
How many years ago did early amniotes diverge into two groups?
A. 320 million years
B. .175 million years
C. .416 million years
D. 20 million years
Answer: | A | sciq |
The intensity or rate of radiation emission _________ with temperature?
A. increases
B. does not vary
C. decreases
D. randomly fluctuates
Answer: | A | sciq |
For the most part, cognitive functions reside where?
A. the limbic system
B. the heart
C. the spine
D. the cortex
Answer: | D | sciq |
What is the term for the force exerted by circulating blood on the walls of blood vessels?
A. heart pressure
B. blood energy
C. circulation pressure
D. blood pressure
Answer: | D | sciq |
What does the precise pattern of a crystal depend on?
A. mass
B. age
C. compound
D. chance
Answer: | C | sciq |
Learning to get used to something after being exposed to it for a while is associated with what kind of learning?
A. dissociation
B. habituation
C. assimilation
D. association
Answer: | B | sciq |
Is the digestive tract of many sharks longer or shorter than many other vertebrates?
A. shorter
B. longer
C. heavier
D. narrower
Answer: | A | sciq |
In the case of the thyroid hormone pathway, thyroid hormone itself carries out what kind of feedback?
A. effective
B. continued
C. negative
D. positive
Answer: | C | sciq |
What increases the size of a population's gene pool?
A. microbes
B. mass extinction
C. mutations
D. natural selection
Answer: | C | sciq |
The heart and the arteries and veins are associated with what system of the body?
A. metabolism
B. digestion
C. respiration
D. cardiovascular
Answer: | D | sciq |
What do scientists believe are the oldest eukaryotes?
A. prokaryotes
B. worms
C. arthropods
D. protists
Answer: | D | sciq |
What are used to balance chemical equations?
A. isotopes
B. densities
C. coefficients
D. outputs
Answer: | C | sciq |
Endothermic and exothermic reactions differ in whether the products or reactants store more of what?
A. chemical energy
B. Kinetic Energy
C. Thermal energy
D. Motion energy
Answer: | A | sciq |
What is the conversion of metals from their ores to more useful forms called?
A. crystallography
B. nanotechnology
C. metallurgy
D. thermodynamics
Answer: | C | sciq |
What is the predominant stage in the life cycle of most scyphozoans?
A. hydra
B. medusa
C. spore
D. gamete
Answer: | B | sciq |
The reaction of an alkyl halide with an inorganic hydroxide base at elevated temperature produces what?
A. yeast
B. an alcohol
C. methane
D. blood
Answer: | B | sciq |
What sequence is the primary structure of a protein?
A. processed acid sequence
B. amino acid sequence
C. nucleic acid sequence
D. proteins acid sequence
Answer: | B | sciq |
What are used to lift large masses of magnetic materials such as scrap iron, rolls of steel, and auto parts?
A. Tape
B. electromagnets
C. Glue
D. screws
Answer: | B | sciq |
Carbon behaves as a metal because it conducts which two things well?
A. heat and magnetism
B. heat and water
C. electricity and oxygen
D. heat and electricity
Answer: | D | sciq |
What is the first direct action of growth hormone?
A. stimulation of monoglyceride breakdown
B. stimulation of monoglyceride production
C. stimulation of triglyceride breakdown
D. stimulation of triglyceride production
Answer: | C | sciq |
What contains the spore-forming asci?
A. sporozoa
B. mushroom cap
C. flagella
D. the ascocarps
Answer: | D | sciq |
Fruit fly and brine shrimp hox genes have evolved independently for how long?
A. 60.000 million years
B. 400 million years
C. 100.32 million years
D. one billion
Answer: | B | sciq |
Yolk is a very fragile substance found in the eggs of reptiles and needs protection. what serves as protection for the yolk?
A. eye sac
B. dish sac
C. fish sac
D. yolk sac
Answer: | D | sciq |
What do tadpoles change into?
A. reptiles
B. adult frogs
C. mud puppies
D. toads
Answer: | B | sciq |
Earthworms and segmented worms belong to what phylum?
A. nematoda
B. annelida
C. bryozoa
D. protazoa
Answer: | B | sciq |
What are most stis caused by?
A. vaccines
B. bacteria
C. viruses
D. parasites
Answer: | B | sciq |
What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both?
A. artificial
B. devoid
C. obscene
D. opaque
Answer: | D | sciq |
Rain dissolves fertilizer in the soil, what carries it away?
A. fossils
B. carbon ?
C. runoff?
D. clouds
Answer: | C | sciq |
Each vertebral body has a large hole in the center through which the nerves of what pass?
A. spinal cord
B. steering cord
C. Brain Cord
D. layers cord
Answer: | A | sciq |
Rust consists of oxides of what element?
A. Aluminum
B. iron
C. Copper
D. Gold
Answer: | B | sciq |
Rising air currents carry water vapor into what?
A. stratosphere
B. troposphere
C. atmosphere
D. ionosphere
Answer: | C | sciq |
Echinoderms have what type of body symmetry?
A. Reflectional symmetry
B. radial symmetry
C. Translational symmetry
D. Rotational symmetry
Answer: | B | sciq |
What is used during filtration to push fluids and solutes, from higher pressure areas to lower pressure areas?
A. constructs pressure gradient
B. limited pressure gradient
C. hydrostatic pressure gradient
D. magnesium pressure gradient
Answer: | C | sciq |
How many pathways do plants have for carbon fixation?
A. two
B. one
C. three
D. four
Answer: | C | sciq |
What type of substance is any matter that has a fixed chemical composition and characteristic properties?
A. physical substance
B. versatile chemical substance
C. seawater chemical substance
D. pure chemical substance
Answer: | D | sciq |
Where are sperm produced in the process of spermatogenesis?
A. intestines
B. penis
C. ovaries
D. testes
Answer: | D | sciq |
What type of energy does chemosynthesis use to make food?
A. carbon energy
B. chemical energy
C. CHEMICAL energy
D. GRAVITATIONAL energy
Answer: | B | sciq |
The polymerase chain reaction is a way of making copies of what?
A. a gene
B. a form
C. a method
D. an enzyme
Answer: | A | sciq |
Energy transfer between what kinds of levels is generally rather inefficient?
A. apex
B. secondary
C. trophic
D. producer
Answer: | C | sciq |
What kind of conditions are often inherited as simple recessive traits?
A. genetic disorders
B. genetic neurotransmitters
C. genetic diversivers
D. genetic ratios
Answer: | A | sciq |
Without dinoflagellate symbionts, corals lose algal pigments in a process called coral bleaching and eventually die, while corals in turn provide protection, making this what type of relationship?.
A. semantic
B. idealistic
C. parasitic
D. symbiotic
Answer: | D | sciq |
What is the type of reproduction where part of the parent plant is used to generate a new plant?
A. byproduct reproduction
B. coaxed reproduction
C. sexual reproduction
D. asexual reproduction
Answer: | D | sciq |
What is the name of the wind belt nearest the equator?
A. cyclones
B. trade winds
C. doldrums
D. tropical gusts
Answer: | B | sciq |
What two phases does the cell cycle consist of?
A. antecedent and mitotic
B. outerphase and mitotic
C. mitosis and mitotic
D. interphase and mitotic
Answer: | D | sciq |
Atoms with the same atomic number but different mass numbers are called what?
A. tropes
B. isotopes
C. organisms
D. reactions
Answer: | B | sciq |
Sphenodontia sphenodontia (“wedge tooth”) arose in the mesozoic era and includes only one of what?
A. outside genus
B. inner genus
C. traveling genus
D. living genus
Answer: | D | sciq |
In a heterozygote with one dominant and one recessive allele, which is expressed?
A. submissive allele
B. dominant allele
C. dominant atoms
D. dominant elements
Answer: | B | sciq |
Any sound with a frequency above the highest audible frequency is defined as what, a phenomenon useful in medical diagnosis and therapy?
A. radiation
B. extrasound
C. laser
D. ultrasound
Answer: | D | sciq |
Which organ secretes estrogen?
A. the ovaries
B. the testes
C. the thyroid
D. the kidney
Answer: | A | sciq |
Water-soluble carboxylic acids ionize slightly in water to form these?
A. moderately acidic solutions
B. very acidic solutions
C. solvents
D. nonacidic solutions
Answer: | A | sciq |
Which kind of irrigation uses much less water than other methods?
A. constant
B. drip
C. mist
D. solar
Answer: | B | sciq |
Fishes were the earliest example of what subphylum, and jawless fishes were the earliest of these?
A. mammals
B. ferns
C. grasses
D. vertebrates
Answer: | D | sciq |
What three things do animals require in order to survive?
A. Shelter, Food and love
B. Sex, Love, Food
C. Immunity, blood, water
D. air, water, food
Answer: | D | sciq |
What is broken during catabolic reactions, such as the breakdown of complex carbohydrates into simple sugars?
A. bonds
B. forms
C. ions
D. metals
Answer: | A | sciq |
The actual amount (mass) of gasoline left in the tank when the gauge hits “empty” is a lot less in the summer than in the winter. the gasoline has the same volume as it does in the winter when the “add fuel” light goes on, but because the gasoline has expanded, there is what?
A. less mass
B. more mass
C. same mass
D. lower gravity
Answer: | A | sciq |
What do you call pure substances with unique properties?
A. elements
B. originals
C. arrangements
D. structures
Answer: | A | sciq |
What is the large muscle that extends across the bottom of the chest below the lungs called?
A. diaphragm
B. uterus
C. abdomen
D. pectoral
Answer: | A | sciq |
What is less dense then either solids or liquids?
A. ice
B. gases
C. dark matter
D. plasma
Answer: | B | sciq |
What is the term for a mountain-building event?
A. orogeny
B. glaciation
C. erosion
D. volcanism
Answer: | A | sciq |
A multiaxial ball-and-socket joint has much more mobility than a what hinge joint?
A. quadaxial
B. biaxial
C. triaxial
D. uniaxial
Answer: | D | sciq |
Meiosis and mitosis are both preceded by one round of what?
A. dna replication
B. germination
C. cellular respiration
D. internal fertilization
Answer: | A | sciq |
What is the hollow sac like organ that stores urine until it is excreted?
A. kidney
B. ureter
C. tumor
D. bladder
Answer: | D | sciq |
What is the name of the magnetic material found in lava?
A. meteorite
B. magnetite
C. hemoglobin
D. magnemite
Answer: | B | sciq |
What is a branded polymer that serves as energy storage in animal?
A. glycogen
B. hydrocarbon
C. triglyceride
D. pathogen
Answer: | A | sciq |
Milk is usually subjected to what process, where high temperatures denature the proteins in bacteria so they cannot carry out functions needed to grow and multiply?
A. vaporization
B. pasteurization
C. crystallization
D. Cleaning
Answer: | B | sciq |
What do you call something that controls the uptake of water or another substance in the environment, in order to maintain constant internal conditions?
A. osmoconformers
B. protozoans
C. osmoregulators
D. sporozoans
Answer: | C | sciq |
Plastics are common examples of synthetic polymers of what abundant element?
A. silver
B. hydrogen
C. silicon
D. carbon
Answer: | D | sciq |
Magnetite crystals of different ages and on different continents pointed to different spots. the simplest explanation is that the continents have done what?
A. reacted
B. evolved
C. moved
D. changed
Answer: | C | sciq |
Protozoa can be classified on the basis of how they?
A. feel
B. move
C. smell
D. look
Answer: | B | sciq |
Biomass, solar, wind, water, and geothermal power are examples of what kinds of energy resources?
A. renewable
B. fossil fuel
C. mechanical
D. electrical
Answer: | A | sciq |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.