question stringlengths 68 502 | answer stringclasses 4
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Question: What division of the nervous system controls involuntary activities that are not emergencies, such as the digestive organs breaking down food?
Options:
A. parasympathetic division
B. central nervous system
C. somatic nervous system
D. posterior division | A |
Question: What occurs when a cold air mass runs into a warm air mass?
Options:
A. a snow day
B. a cold front
C. an occluded front
D. a stationary front | B |
Question: What are the tiny sacs in the lungs where gas exchange takes place?
Options:
A. bronchi
B. ganglion
C. cilia
D. alveoli | D |
Question: What is the term for plants that lack vascular tissues, roots, leaves, seeds, and flowers?
Options:
A. chloroplasts
B. bryophytes
C. primates
D. conifers | B |
Question: Why are continents unable to be pushed down into the mantle by plate boundaries?
Options:
A. surface tension
B. gravity
C. buoyancy
D. density | C |
Question: What is it called when a new species arises without geographic separation?
Options:
A. spontaneous evolution
B. Allopatric speciation
C. quantum speciation
D. sympatric speciation | D |
Question: In an exothermic reaction, what, specifically, is released?
Options:
A. humidity
B. precipitation
C. water
D. heat | D |
Question: What term describes diseases caused by abnormal cells in the body dividing uncontrollably?
Options:
A. diabetes
B. radiation
C. cancer
D. eczema | C |
Question: What is the molecule, dipeptide formed together by?
Options:
A. rna acids
B. acetic acids
C. amino acids
D. polymer acids | C |
Question: Did the the open circulatory systems of molluscs and arthropods arise dependently or independently of each other?
Options:
A. independently
B. together
C. dependently
D. separately | A |
Question: What kind of weathering is abrasion?
Options:
A. mechanical
B. molecular
C. electromagnetic
D. natural | A |
Question: What are composed of alternating positive and negative ions?
Options:
A. ionic crystals
B. radioactive substances
C. polar bonds
D. magnetic crystals | A |
Question: What is the term for a small organelle where proteins are made?
Options:
A. atom
B. ribosome
C. ovary
D. capsule | B |
Question: What occurs when the immune system attacks harmless substances that enter the body from the outside?
Options:
A. allergies
B. anomalies
C. cell rejection
D. mutation | A |
Question: What is composed of very long strands of glucose monomers, is largely indigestible and comprises the cell walls of plants?
Options:
A. tree bark
B. vascular cambrium
C. cellulose
D. chlorophyll | C |
Question: Where are the terrestrial planets located, in relation to the sun?
Options:
A. To the left
B. To the right
C. closest
D. farthest | C |
Question: What are the insects that suck up the sap from plants?
Options:
A. roaches and leafhoppers
B. aphids and leafhoppers
C. plagues and leafhoppers
D. butterflies and leafhoppers | B |
Question: The energy for an ecosystem can come from sunlight or _________?
Options:
A. radiation compounds
B. chemical compounds
C. fossil fuels
D. rain | B |
Question: Phagocytosis, pinocytosis, and receptor-mediated endocytosis are the three types of what?
Options:
A. nanoparticles
B. mitosis
C. modulators
D. endocytosis | D |
Question: What type of machines generally have lower efficiency but greater mechanical advantage?
Options:
A. simple machines
B. calculation machines
C. radical machines
D. compound machines | D |
Question: What is the name of the layer above the mesosphere?
Options:
A. lithosphere
B. intersphere
C. thermosphere
D. exosphere | C |
Question: What layer of earth contains abundant oxygen, which can combine with other elements to create oxide minerals?
Options:
A. the tectonic plates
B. the crust
C. the core
D. the surface | B |
Question: Animals that are endotherms or ectotherms are distinguished by the ability to maintain a constant what?
Options:
A. step temperature
B. body temperature
C. Moving Tempature
D. bearing temperature | B |
Question: What form of energy is light?
Options:
A. mechanical
B. seismic
C. hydro
D. electromagnetic | D |
Question: What is a common chemical substance on planet earth?
Options:
A. nitrogen
B. water
C. oxygen
D. hydrogen | B |
Question: Blood calcium levels are tightly regulated by the what system?
Options:
A. nervous
B. digestive
C. cardiovascular
D. endocrine | D |
Question: This bodily defense function attacks pathogens and includes inflammatory response and phagocytosis?
Options:
A. second line of defense
B. third line of defense
C. vomitting
D. first line of defense | A |
Question: Lodgepole cones remain closed until exposed to what?
Options:
A. predators
B. extreme heat
C. UV light
D. precipitation | B |
Question: What is the change of state from a gas to a liquid?
Options:
A. vaporation
B. fermentation
C. combustion
D. condensation | D |
Question: The steropodon may have been an ancestor of which animal?
Options:
A. wooly mammoth
B. geckos
C. platypus
D. lioness | C |
Question: Closely associated with "work", what is characterized by its many forms and the fact that it is conserved?
Options:
A. fuel
B. energy
C. matter
D. heating | B |
Question: What is the time it takes for radioactive substance to decay?
Options:
A. full-life
B. deterioration rate
C. half-life
D. decay rate | C |
Question: What type of biomes are found in the salt water of the ocean?
Options:
A. major
B. surreal
C. active
D. marine | D |
Question: What is formed when an enzyme binds its substrate?
Options:
A. lock and key model
B. enzyme - substrate complex
C. nucleus - substrate complex
D. vessel - substrate complex | B |
Question: What type of rock is a sandstone?
Options:
A. igneous rocks
B. limestone rocks
C. sedimentary rocks
D. landform rocks | C |
Question: Which acids provide the molecular blueprints for all proteins produced in living systems?
Options:
A. nitrous acids
B. periodic acids
C. amino acids
D. nucleic acids | D |
Question: Cephalopods have three hearts that pump blood of what color?
Options:
A. Green
B. Red
C. blue
D. purple | C |
Question: Influenza is a type of what, where glycoproteins attach to a host epithelial cell?
Options:
A. atoms disease
B. viral disease
C. nucleus disease
D. recent disease | B |
Question: What is the smallest aromatic hydrocarbon?
Options:
A. anthracene
B. phenanthrene
C. benzene
D. naphthalene | C |
Question: A hypothesis is scientific only if it can be tested by what?
Options:
A. carbon dating
B. making observations
C. independent variable
D. making a conclusion | B |
Question: Aging occurs as cells lose their ability to do what?
Options:
A. fold
B. duplicate
C. divide
D. split | C |
Question: The tyndall effect refers to the scattering of what by colloidal particles?
Options:
A. visible light
B. dark matter
C. dust mites
D. primary colors | A |
Question: Acids are associated with a low number on which scale?
Options:
A. acidic
B. ionic
C. metric
D. ph | D |
Question: Said to go hand-in-hand with science, what evolves as new materials, designs, and processes are invented?
Options:
A. industry
B. technology
C. invention
D. biology | B |
Question: What are the poles labeled?
Options:
A. east and west
B. north and south
C. west and south
D. southwest and south | B |
Question: What is considered to be the "fundamental unit" of life?
Options:
A. proton
B. organ
C. cell
D. bacteria | C |
Question: What two states of matter are included in the category "fluids"?
Options:
A. bacteria and gases
B. liquids and gases
C. solids and gases
D. liquids and soilds | B |
Question: When matter changes into an entirely different substance with different chemical properties, what has occurred?
Options:
A. physical change
B. chemical change
C. gaseous change
D. mechanical change | B |
Question: Phospholipids are unable to mix with what?
Options:
A. nitrogen
B. water
C. solids
D. air | B |
Question: What are molecules that the immune system recognize as foreign to the body?
Options:
A. tumors
B. viruses
C. antigens
D. peptides | C |
Question: The end result of diffusion is an equal concentration, or equilibrium , of molecules on both sides of what?
Options:
A. the organelle
B. the membrane
C. the organism
D. the cell | B |
Question: What paired organs that are part of the urinary system play the prime role in excretion?
Options:
A. ovaries
B. lungs
C. liver
D. kidneys | D |
Question: The fungus benefits from the constant supply of food produced by what?
Options:
A. the spermatophyte
B. the phytoflagellate
C. the photosynthesizer
D. the host | C |
Question: Gases can be classifed as real or what?
Options:
A. noble
B. ideal
C. shape
D. dense | B |
Question: What is a mutation?
Options:
A. change in the swetha sequence of dna
B. change in the distinct sequence of dna
C. change in the nucleotide sequence of dna
D. change in the rna sequence of dna | C |
Question: What are biological catalysts that speeds up biochemical reactions?
Options:
A. proteins
B. carbohydrates
C. hormones
D. enzymes | D |
Question: What type of reaction is a transfer of a proton from one molecule or ion to another?
Options:
A. acid-base
B. thermal reaction
C. ionization
D. ionic bonding | A |
Question: What part of the plant, in general, is responsible for transport and storage of water and minerals?
Options:
A. leaves
B. pistil
C. petals
D. stems | D |
Question: One gram of carbohydrates provides how many calories of energy?
Options:
A. four
B. one
C. two
D. eight | A |
Question: Mushrooms and other fungi obtain energy from what?
Options:
A. the air
B. the soil
C. the sun
D. other organisms | D |
Question: How are protozoa that cause giardiasis spread?
Options:
A. lakes and rivers
B. starch and water
C. food and water
D. insects | C |
Question: What can prevent the passage of molecules and ions between cells, such as in the blood-brain barrier?
Options:
A. tight junctions
B. solid junctions
C. special junctions
D. fatty junctions | A |
Question: Give an example of air pollution while painting indoors.
Options:
A. paint fumes
B. gas fumes
C. fuel fumes
D. variety fumes | A |
Question: What plays a variety of important roles in biochemical systems?
Options:
A. bacteria
B. mutation
C. reactants
D. protein | D |
Question: What type of plants grow on other plants?
Options:
A. legumes
B. parasites
C. epiphytes
D. bryophytes | C |
Question: What provides a protective covering for the body and helps maintain homeostasis?
Options:
A. integumentary system
B. unadorned system
C. endorcrine system
D. lysogenic system | A |
Question: Uranium is an important part of the process used to harness which type of power?
Options:
A. nuclear
B. gravitational
C. wind
D. solar | A |
Question: Budding and fission in annelids are examples of what type of reproduction?
Options:
A. asexual
B. sexual
C. byproduct
D. hybrid | A |
Question: What is the process by which plants make their own food?
Options:
A. mitochondrial process
B. respiration
C. photosynthesis
D. ATP cycle | C |
Question: In what part of the carbon cycle does carbon move between living things and the air?
Options:
A. biotic cycle
B. envelop cycle
C. endothermic cycle
D. abdaspac cycle | A |
Question: Herbivores and the bacteria that live in their intestines demonstrate a two-way beneficial relationship called what?
Options:
A. pragmatism
B. parasitism
C. syncretism
D. mutualism | D |
Question: What joins within each testis to form the epididymis?
Options:
A. interstitial tubules
B. hypodermic tubules
C. viviparous tubules
D. seminiferous tubules | D |
Question: How many layers of phospholipids does the cell membrane contain?
Options:
A. three
B. five
C. four
D. two | D |
Question: What process within cells makes sure that every gamete receives a copy of every chromosome?
Options:
A. fission
B. meiosis
C. genomes
D. mutations | B |
Question: Do amphibians and reptiles maintain a constant body temperature?
Options:
A. no, they have a lower body temperature than their surroundings
B. yes
C. no, they have a higher body temperature than their surroundings
D. no, they have about the same body temperature as their surroundings | D |
Question: Most vascular plants are seed plants, also known as?
Options:
A. fungus
B. bacteria
C. sporozoans
D. spermatophytes | D |
Question: Centrifuges use what to perform their task?
Options:
A. inertia
B. magnetism
C. absorption
D. jets | A |
Question: What are the two unique features of mollusks?
Options:
A. pseudopod and mantle
B. antennae and pseudopod
C. mantle and radula
D. radula and antennae | C |
Question: Name the two types of water turtles live in.
Options:
A. river water and lake water
B. ocean water and fresh water
C. arctic water and ice water
D. ocean water and sea water | B |
Question: What structures are located on roof of the nasopharynx and on each side of the pharynx?
Options:
A. tonsils
B. tongues
C. uvula
D. testicles | A |
Question: What colorful arc-shaped atmospheric phenomena are produced by a combination of refraction and reflection?
Options:
A. rainbows
B. lightning
C. shadows
D. sunsets | A |
Question: Rabies transmission occurs when saliva from an infected mammal enters a wound. the virus travels through neurons in the peripheral nervous system to the central nervous system where it impairs this?
Options:
A. skeletal system
B. reproduction system
C. lung function
D. brain function | D |
Question: Newton realized that the nature of gravity on earth that pulls an apple to the ground could explain the motion of these?
Options:
A. seasons
B. atoms and quarks
C. moon and planets
D. molecules | C |
Question: Where do most of the steps of cellular respiration take place?
Options:
A. ribosomes
B. cytoplasm
C. nucleus
D. mitochondria | D |
Question: Which metal is not solid at room temperature?
Options:
A. titanium
B. silver
C. mercury
D. aluminum | C |
Question: Induced mutations are caused by environmental factors. what term is used to describe a mutation that has no environmental cause?
Options:
A. cancerous mutation
B. numerous mutation
C. spontaneous mutation
D. evident mutation | C |
Question: What part of the cell does cellular respiration occur?
Options:
A. nuclei
B. proton
C. mitochondria
D. glucose | C |
Question: How is the chance of survival affected when animals lack parental care?
Options:
A. variable
B. decreased
C. unaffected
D. increased | B |
Question: Elements with magic numbers of what tend to have more stable isotopes?
Options:
A. nucleus
B. molecules
C. protons
D. pressure | C |
Question: What is the term for the steep sloped side of a sand dune?
Options:
A. front face
B. slip face
C. break face
D. slide face | B |
Question: Pulleys are generally used to do what with objects?
Options:
A. lift
B. pack
C. clean
D. wrap | A |
Question: What term describes how close estimates are to one another?
Options:
A. precise
B. efficiency
C. precision
D. Distant | C |
Question: What are membrane-bound organelles that can have secretory, excretory, and storage functions?
Options:
A. prokaryotes
B. vacuoles
C. alleles
D. nuclei | B |
Question: The structural classification of joints divides them into bony, fibrous, cartilaginous, and synovial joints. the bones of fibrous joints are held together by fibrous connective tissue; the three types of fibrous joints are sutures, syndesomes, and what?
Options:
A. synchondrosis
B. gomphoses
C. cartilaginous
... | B |
Question: A catalyst can increase the rate of what, in general?
Options:
A. consumption reaction
B. chemical reaction
C. mechanicl reaction
D. carbon reaction | B |
Question: Which crust lies deep inside the ocean?
Options:
A. youngest
B. shallowest
C. thickest
D. oldest | D |
Question: What is the most significant cause of respiratory disease as well as cardiovascular disease and cancer?
Options:
A. sleeping
B. driving
C. smoking
D. running | C |
Question: What type of light can you feel as heat but not see and has the longest wavelengths and lowest frequencies?
Options:
A. solar light
B. infrared light
C. thermal light
D. ultraviolet light | B |
Question: Ionic, molecular, covalent, and metallic are major types of what state of matter?
Options:
A. plasma
B. liquid
C. solids
D. gas | C |
Question: What forces keep the moon orbiting the earth?
Options:
A. gravitational
B. magnetic
C. cosmic
D. polar | A |
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