prompt stringlengths 51 646 | completion stringclasses 8 values | source stringclasses 3 values |
|---|---|---|
Most chromosomal disorders involve which chromosomes?
A. ribosomes
B. protosomes
C. autosomes
D. sex chromosomes
Answer: | D | sciq |
Carbonic anhydrase plays what role to achieve a variety of results involving different organs?
A. sequence
B. enzyme
C. inhibition
D. blocker
Answer: | B | sciq |
What is it called when minerals replace the organic material to create fossils?
A. spongin
B. permineralization
C. petrification
D. carbonization
Answer: | B | sciq |
Smaller sized galaxies are known as what?
A. black holes
B. nebula
C. constellations
D. dwarf galaxies
Answer: | D | sciq |
What is the name of the supportive structed that helps move a worm's muscles?
A. hydroskeleton
B. pollenation
C. exoskeleton
D. spongin
Answer: | A | sciq |
What type of transport occurs when substances cross the plasma membrane without any input of energy from the cell?
A. wave diffusion
B. physical transport
C. active transport
D. passive transport
Answer: | D | sciq |
A mold is an imprint of an organism left in what?
A. rock
B. band
C. magma
D. fossil
Answer: | A | sciq |
Particles of different densities exert different amounts of what?
A. energy
B. pressure
C. resistance
D. force
Answer: | B | sciq |
Plants generally transport carbohydrates from leaves to roots and other nonphotosynthetic organs in the form of what?
A. glucose
B. chloride
C. potassium
D. sucrose
Answer: | D | sciq |
Monocots and eudicots differ in what type of a leaf's tissue?
A. vascular
B. structural
C. circulatory
D. reproductive
Answer: | A | sciq |
What kind of reproduction, in general, relies on sets of cells that are precursors for eggs and sperm?
A. fusion
B. binary fission
C. sexual
D. asexual
Answer: | C | sciq |
A lens of what shape causes rays of light to diverge, or spread apart, as they pass through it?
A. flat
B. convex
C. elongated
D. concave
Answer: | D | sciq |
What is the complex network of nervous tissue that carries electrical messages throughout the body?
A. lymphatic system
B. circulatory system
C. respiratory system
D. nervous system
Answer: | D | sciq |
Crowding and resource limitation can have a profound effect on the rate of what?
A. population stagnation
B. cultural advances
C. technology advances
D. population growth
Answer: | D | sciq |
X and y are the labels of what specialized human chromosomes?
A. protein chromosomes
B. exotic chromosomes
C. carb chromosomes
D. sex chromosomes
Answer: | D | sciq |
Isotopes are named for their number of ______ plus neutrons?
A. protons
B. atoms
C. electrons
D. nuclei
Answer: | A | sciq |
Because fungi feed on decaying and dead matter, they play what important role by releasing essential elements into the environment?
A. decomposers
B. consumers
C. producers
D. carnivores
Answer: | A | sciq |
If the temperature of a gas sample is decreased, what happens to the volume?
A. expands
B. stays the same
C. decreases
D. increases
Answer: | C | sciq |
Most food chains and webs have a maximum of how many trophic levels?
A. 3
B. 6
C. 10
D. 4
Answer: | D | sciq |
What refers to the development and nourishment of an embryo within the mother’s body but not inside an egg?
A. birth
B. adolescence
C. ovulation
D. vivipary
Answer: | D | sciq |
What kind of anaerobe is yeast?
A. aerobic
B. mutualistic
C. obligate
D. facultative
Answer: | D | sciq |
Bones are far from static, or unchanging. instead, they are what?
A. fluid
B. continuous
C. stable
D. dynamic
Answer: | D | sciq |
After entering the circulation, approximately one-third of platelets migrate to what organ for storage, to be released in response to any blood vessel rupture?
A. bladder
B. spleen
C. kidneys
D. lungs
Answer: | B | sciq |
What causes a small scrap of paper placed on top of the water droplet to float , although the object is denser (heavier) than the water?
A. van der waals force
B. surface tension
C. transfusion
D. diffusion
Answer: | B | sciq |
What is the term for a structure composed of more than one type of tissue?
A. organ
B. marrow
C. cortex
D. system
Answer: | A | sciq |
What is the pair of bean-shaped organs situated just above the waist?
A. lungs
B. kidneys
C. pancreas
D. aorta
Answer: | B | sciq |
What part of a bird is adapted for the food it eats?
A. head
B. teeth
C. eye
D. beak
Answer: | D | sciq |
What is the inner cell mass formed by the cells of the blastocyst called?
A. xerophyte
B. embryoblast
C. amniotic cavity
D. ectoderm
Answer: | B | sciq |
What does the distribution of darts on a dartboard shows the difference between?
A. accuracy and precision
B. production and precision
C. Aim and precision
D. equilibrium and precision
Answer: | A | sciq |
What gas do the lungs give up as they take in oxygen?
A. carbon monoxide
B. methane
C. carbon dioxide
D. nitrogen
Answer: | C | sciq |
What is the term for the last stage of life before adulthood?
A. adolescence
B. pre-pubescence
C. childhood
D. old age
Answer: | A | sciq |
Breaking of weak bonds, which tend to form between positive and negative charges, does not require much what?
A. time
B. catalyzation
C. energy
D. heat
Answer: | C | sciq |
What two organs secrete fluids that aid in digestion?
A. spleen and bladder
B. pancreas and liver
C. kidney and gall bladder
D. stomach and lung
Answer: | B | sciq |
When light meets matter, it may be reflected, transmitted, or what?
A. diffuse
B. reflected
C. absorbed
D. diffracted
Answer: | C | sciq |
When a sperm penetrates the egg, it triggers the egg to complete what?
A. mutations
B. lesions
C. meiosis
D. fertilization
Answer: | C | sciq |
What chromosome determines the sex of an organism?
A. ribosome
B. S chromosome
C. sex chromosome
D. autosome
Answer: | C | sciq |
In contrast to precision, this term means how close a measurement is to the correct or accepted value of the quantity being measured?
A. deviant
B. diversity
C. accuracy
D. frequency
Answer: | C | sciq |
Where is most of the cell's dna contained?
A. vacuole
B. nucleus
C. epidermis
D. cell membrane
Answer: | B | sciq |
The four major classes of biological macromolecules include carbohydrates, lipids, proteins, and what else?
A. structural acids
B. nucleic acids
C. liquids
D. fats
Answer: | B | sciq |
What protects you from pathogens and keeps you healthy?
A. health system
B. immune system
C. potent system
D. immunity system
Answer: | B | sciq |
Although they differ vastly in hardness, pencil lead and diamonds both contain what element?
A. carbon
B. hydrogen
C. oxygen
D. graphite
Answer: | A | sciq |
The majority of salamanders lack what organs, so respiration occurs through the skin or through external gills?
A. mouths
B. lungs
C. throats
D. noses
Answer: | B | sciq |
Crabs, lobsters, shrimp, krill, and woodlice are all?
A. arthropods
B. porifera
C. sponges
D. crustaceans
Answer: | D | sciq |
What makes water change to a different state?
A. gravity
B. pressure
C. time
D. temperature
Answer: | D | sciq |
What is a hydrocarbon in which there are only single covalent bonds?
A. combined
B. fullerene
C. alkane
D. proline
Answer: | C | sciq |
What is the measure of the amount of space occupied by an object?
A. mass
B. volume
C. liquid
D. growth
Answer: | B | sciq |
The energy that enters the chloroplasts as sunlight becomes stored as what type of energy in organic compounds?
A. chemical energy
B. thermal energy
C. defect energy
D. radiation energy
Answer: | A | sciq |
Whose rules are too simple to explain the inheritance of human height?
A. Darwin
B. mendel
C. Einstein
D. Pascal
Answer: | B | sciq |
The fertilized egg that sexually reproducing organisms begin life as is known as what?
A. gamete
B. infant
C. fetus
D. zygote
Answer: | D | sciq |
People with red hair usually have what type of skin?
A. dark
B. light
C. dry
D. oily
Answer: | B | sciq |
What provides the shape of a cell?
A. cytoskeleton
B. cellulose
C. cytoplasm
D. nucleus
Answer: | A | sciq |
Competition between members of the same species is known as?
A. egregious competition
B. nuchal competition
C. interspecies competition
D. intraspecific competition
Answer: | D | sciq |
One molecule of carbon dioxide consists of 1 atom of carbon and 2 atoms of what element?
A. oxygen
B. methane
C. nitrogen
D. hydrogen
Answer: | A | sciq |
What facilitates the diffusion of ions across a membrane?
A. passive transport
B. photon channels
C. ionic bonds
D. ion channels
Answer: | D | sciq |
What kind of fibers are used to transport telephone and television signals?
A. touch fibers
B. hair fibers
C. optical fibers
D. process fibers
Answer: | C | sciq |
In what century was the microscope invented?
A. 20th
B. 15th
C. 16th
D. 17th
Answer: | D | sciq |
What do the hair cells in the cochlea release when they bend?
A. hormones
B. neurotransmitters
C. lipids
D. receptors
Answer: | B | sciq |
Receptor clustering happens when what binds to the receptors?
A. enzymes
B. lipid molecules
C. fas molecules
D. carbohydrates
Answer: | C | sciq |
What makes toenails and fingernails hard?
A. guanine
B. keratin
C. cellulose
D. taurine
Answer: | B | sciq |
Producing sperm and secreting testosterone are the main functions of what system?
A. male reproductive system
B. pollination
C. female reproductive system
D. endocrine system
Answer: | A | sciq |
Biochemistry is the study of the chemistry of?
A. abiotic factors
B. the Earth
C. inorganic matter
D. living systems
Answer: | D | sciq |
Color, temperature, and solubility are examples of what type of property?
A. susceptible
B. severe
C. intensive
D. minimal
Answer: | C | sciq |
What is the term for nutrients the body needs in relatively small amounts, including vitamins and minerals?
A. insignificant nutrients
B. minor nutrients
C. micronutrients
D. trace nutrients
Answer: | C | sciq |
What do corals secrete that builds up to become a coral reef?
A. actuators
B. tentacles
C. exoskeletons
D. saliva
Answer: | C | sciq |
Solid balls of water and dust falling from the sky are known as?
A. hail
B. golf balls
C. snow
D. rain
Answer: | A | sciq |
What brain structure is important in recognizing and recalling emotions?
A. thalmus
B. amygdala
C. pituitary
D. cerebral cortex
Answer: | B | sciq |
Oils are liquid lipids that plants use for storage of what?
A. oxygen
B. glucose
C. fat
D. energy
Answer: | D | sciq |
Where do the majority of arthropods live?
A. on land
B. in hives
C. in air
D. in water
Answer: | A | sciq |
Protein chains containing 10 or fewer amino acids are usually referred to as what?
A. protons
B. peptides
C. carboxyl
D. polypeptides
Answer: | B | sciq |
The primary site of carbohydrate digestion is in the?
A. small intestine
B. mouth
C. stomach
D. large intestine
Answer: | A | sciq |
A potential cause of extinction, competition between different species is called what?
A. interspecific competition
B. intraspecific competition
C. parasitism
D. mutualism
Answer: | A | sciq |
Within the microsporangium, the microspore mother cell divides by meiosis to give rise to four microspores, each of which will ultimately form this?
A. ova
B. pollen grain
C. sperm cell
D. zygote
Answer: | B | sciq |
What is regulated by the reticular formation?
A. wakefulness
B. awkwardness
C. anxiousness
D. sleepiness
Answer: | A | sciq |
All living things are capable of what process whereby living things give rise to offspring?
A. reproduction
B. mitosis
C. differentiation
D. cell division
Answer: | A | sciq |
What is the common name of mixtures of hydrocarbons that formed over millions of years from the remains of dead organisms?
A. fossil fuels
B. fossil record
C. renewable resources
D. non-renewable fuel
Answer: | A | sciq |
What branch of science is the study of the universe, not of cosmetics?
A. astronomy
B. cosmology
C. epistemology
D. theology
Answer: | B | sciq |
Which blood leaves the placenta through veins leading back to the fetus?
A. fetal
B. immunity
C. molecular
D. pelvic
Answer: | A | sciq |
Matter can be classified on the basis of how what interacts with it?
A. gravity
B. water
C. air
D. light
Answer: | D | sciq |
What scale is used to succinctly communicate the acidity or basicity of a solution?
A. ph
B. Richter scale
C. ions
D. solvent scale
Answer: | A | sciq |
Hormones often regulate what through antagonistic functions?
A. hypothesis
B. homeostasis
C. breathing
D. consciousness
Answer: | B | sciq |
The potential of what can be used to measure the ph of a solution?
A. galvanic cell
B. electrodes cell
C. stimulation cell
D. symbiotic cell
Answer: | A | sciq |
What theory says atoms of matter are in constant random motion?
A. the theory of relativity
B. sound kinetic theory
C. modern residual theory
D. modern kinetic theory
Answer: | D | sciq |
The laws of what field of science apply to galaxies and atoms, an indication of the underlying unity in the universe?
A. physics
B. geology
C. astronomy
D. anthropology
Answer: | A | sciq |
What makes soil and rock particles move gradually down the slope during each thaw?
A. rain
B. wind
C. heat
D. gravity
Answer: | D | sciq |
What is the protist kingdom sometimes called as?
A. fossil can kingdom
B. trash can kingdom
C. flora can system
D. plant can kingdom
Answer: | B | sciq |
The constant "c" can be specifically used to represent the (extremely fast) speed of what?
A. gravity
B. sound
C. light
D. electricity
Answer: | C | sciq |
What are non-renewable sources of energy that produce environmental damage?
A. sunlight
B. crop fuels
C. wind
D. fossil fuels
Answer: | D | sciq |
What causes cancer cells to avoid elimination and continue to multiply?
A. uncontrolled cell division
B. continuous cell division
C. persistent cell division
D. chronic cell division
Answer: | A | sciq |
Electronegativity is a qualitative measure of how much an atom attracts what in a covalent bond?
A. electrons
B. protons
C. isotopes
D. neutrons
Answer: | A | sciq |
Depending on how matter interacts with light, it can be classified as transparent, translucent, or what?
A. opaque
B. reflective
C. protective
D. reactive
Answer: | A | sciq |
Kidneys, large intestine, liver, skin, and lungs comprise which system?
A. Digestive system
B. Lymphatic system
C. Muscular system
D. excretory system
Answer: | D | sciq |
What group of single-celled organisms lacking a nucleus comprises the most numerous organisms on earth?
A. eukaryotes
B. carbohydrates
C. prokaryotes
D. fungi
Answer: | C | sciq |
Diamond, graphite and fullerene are examples of what form of carbon?
A. crystalline
B. faceted
C. magnesium
D. zirconia
Answer: | A | sciq |
A hot-water heating system uses what type of energy to heat water?
A. thermal energy
B. atmospheric energy
C. negative energy
D. potential energy
Answer: | A | sciq |
What captures carbon dioxide as it is emitted by a power plant before it enters the atmosphere?
A. chemical sequestration
B. carbon sequestration
C. nitrogen sequestration
D. oxide sequestration
Answer: | B | sciq |
What type of oil is being explored to replace petroleum products in lubricants?
A. vegetable
B. diesel
C. essential oil
D. whale oil
Answer: | A | sciq |
What advantage equals the distance of effort divided by the distance the object moves and is also equal to the output force divided by the input force?
A. mechanical
B. constant
C. atomic
D. potential
Answer: | A | sciq |
What is the outer layer of skin, consisting almost entirely of epithelial cells?
A. dermis
B. epidermis
C. connective tissue
D. hypodermis
Answer: | B | sciq |
What is the accumulated total of all the biochemical reactions occurring in a cell or organism called?
A. metabolism
B. circulation
C. respiration
D. expansion
Answer: | A | sciq |
When fertilizer ends up in bodies of water, the added nutrients cause excessive growth referred to as what, which can render the water unfit for human consumption or recreation?
A. agricultural bloom
B. chemical bloom
C. caustic bloom
D. algal bloom
Answer: | D | sciq |
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