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null | Question: What does the color of soil indicate?
Options:
A. chemical makeup
B. fertility
C. density
D. temperature
Answer: | B |
null | Question: What do most organisms eat in the profundal zone of a lake?
Options:
A. fresh organisms
B. dead organisms
C. fish waste
D. algae organism
Answer: | B |
null | Question: What property is a property that depends on the amount of matter in a sample?
Options:
A. relative
B. extensive
C. non-exact
D. provided
Answer: | B |
null | Question: Females are not influenced by the male sex hormone testosterone during embryonic development because they lack what?
Options:
A. x chromosome
B. m chromosome
C. z chromosome
D. y chromosome
Answer: | D |
null | Question: Radioisotopes may vary greatly in their rate of decay, decaying faster if their nuclei are more what?
Options:
A. stable
B. unstable
C. mature
D. immature
Answer: | B |
null | Question: What are colonies of cells stuck to a surface called?
Options:
A. membranes
B. cellular coating
C. biofilms
D. membranes
Answer: | C |
null | Question: Zinc is what kind of metal.?
Options:
A. active move metal
B. active transition metal
C. passive stagnant metal
D. active flow metal
Answer: | B |
null | Question: What type of eclipse happens when a full moon moves through earth's shadow?
Options:
A. solar
B. lunar
C. cycle
D. planetary
Answer: | B |
null | Question: What is the name for the energy required for an electron to be added to a neutral atom in its gaseous form?
Options:
A. neutron affinity
B. electron affinity
C. photon affinity
D. mass affinity
Answer: | B |
null | Question: What is the specialized tissue that transports water and nutrients throughout the plant and allows these plants to grow taller?
Options:
A. dioxide tissue
B. vascular tissue
C. fiber tissue
D. blood vessels
Answer: | B |
null | Question: What effect does changing temperature have on a system at equilibrium?
Options:
A. movement
B. the height
C. stress
D. energy
Answer: | C |
null | Question: What is the term for the force that a magnet exerts on certain materials?
Options:
A. positive force
B. gravitational force
C. potential force
D. magnetic force
Answer: | D |
null | Question: The simplest system is that of contractile vacuoles present in what?
Options:
A. crystals
B. microorganisms
C. parasites
D. macroorganisms
Answer: | B |
null | Question: Mollusks such as squid and octopi, which must hunt to survive, possess what complex organs containing millions of neurons?
Options:
A. gills
B. brains
C. hearts
D. tentacles
Answer: | B |
null | Question: What is the name of the layer above the mesosphere?
Options:
A. thermosphere
B. intersphere
C. exosphere
D. lithosphere
Answer: | A |
null | Question: What kind of waves are electromagnetic waves?
Options:
A. amplitude
B. curved
C. transverse
D. inverse
Answer: | C |
null | Question: The flow of water through the sponge is unidirectional, driven by the beating of what?
Options:
A. antennae
B. fin
C. cilia
D. flagella
Answer: | D |
null | Question: Plant-like protists are autotrophs capable of what process?
Options:
A. microevolution
B. photosynthesis
C. regeneration
D. sexual reproduction
Answer: | B |
null | Question: Where do lightnings build up?
Options:
A. troposphere
B. stratosphere
C. air
D. clouds
Answer: | D |
null | Question: What basic plant structure is the site of photosynthesis?
Options:
A. roots
B. leaves
C. nucleus
D. spores
Answer: | B |
null | Question: What type of scientist uses earth-orbiting telescopes?
Options:
A. biologist
B. astrologer
C. astronomer
D. anthropologist
Answer: | C |
null | Question: Any place at which two bones are joined is called a what?
Options:
A. expression
B. modification
C. articulation
D. constriction
Answer: | C |
null | Question: What is an extremely severe food allergy reaction?
Options:
A. sepsis
B. anaphylaxis
C. lymphocytes
D. apoptosis
Answer: | B |
null | Question: What organism carries out only fermentation or anaerobic respiration?
Options:
A. aldehydes
B. aerobicc enzymes
C. metabolites
D. obligate anaerobes
Answer: | D |
null | Question: What is the ratio of a wave frequency to its vibration frequency?
Options:
A. two
B. three
C. one
D. same
Answer: | D |
null | Question: What kind of electricity can you generate with the energy found in flowing water?
Options:
A. transient power
B. hydroelectric power
C. electrical power
D. wind energy
Answer: | B |
null | Question: Binding of acetylcholine to receptors on the muscle fiber leads to a?
Options:
A. conduction
B. depolarization
C. excitation
D. repolarization
Answer: | B |
null | Question: What once most common bird in north america became extinct in the 1800s?
Options:
A. the rock penguin
B. the dodo
C. the passenger piegon
D. the homing piegon
Answer: | C |
null | Question: The release of mature eggs that occurs at the midpoint of each cycle is called?
Options:
A. induction
B. ovulation
C. fertilization
D. semination
Answer: | B |
null | Question: Another way to classify matter is to describe it as a solid, a liquid, or a gas, which was done in the examples of solutions. these three descriptions, each implying that the matter has certain physical properties, represent the three of these?
Options:
A. phases of mass
B. types of atoms
C. phases of matter
D. forms of substances
Answer: | C |
null | Question: What part of the eye controls the size of the pupil?
Options:
A. lens
B. avis
C. debis
D. iris
Answer: | D |
null | Question: What occurs when an unstable nucleus emits a beta particle and energy?
Options:
A. beta decay
B. methane decay
C. nucleus decay
D. alpha decay
Answer: | A |
null | Question: Eggs reside in the mesohyl, but sperm are carried out of the sponge by what?
Options:
A. phloem
B. water current
C. air current
D. ion channels
Answer: | B |
null | Question: Enzymes, proteins, electron carriers, and pumps that play roles in glycolysis, the citric acid cycle, and the electron transport chain tend to catalyze reactions that are what?
Options:
A. reversible
B. continuous
C. changeable
D. non-reversible
Answer: | D |
null | Question: What type of pollution comes from sewage, storm drains, septic tanks, boats, and runoff from yards?
Options:
A. urban
B. social
C. municipal
D. collective
Answer: | C |
null | Question: The ileocecal valve, a sphincter, is usually in a constricted state, but when motility in the ileum increases, this sphincter relaxes, allowing food residue to enter the first portion of what?
Options:
A. colon
B. large intestine
C. liver
D. small intestine
Answer: | B |
null | Question: What connections allow heterocysts to transport fixed nitrogen to neighboring cells and to receive carbohydrates?
Options:
A. neurons
B. intercellular
C. peptide
D. heterogeneity
Answer: | B |
null | Question: Winds moving air masses causes what?
Options:
A. tremors
B. weather
C. tsunami
D. earthquake
Answer: | B |
null | Question: What does an electric conductor cross to generate current?
Options:
A. magnetic polar waves
B. magnetic field lines
C. waves field lines
D. magnetic zone waves
Answer: | B |
null | Question: What are collisions between gas particles and container walls called?
Options:
A. elastic collisions
B. tubes collisions
C. kinetic theory
D. utilize collisions
Answer: | A |
null | Question: Landslides and mudslides are the most destructive types of what geologic phenomenon?
Options:
A. land momentum
B. formation movement
C. intensity movement
D. mass movement
Answer: | D |
null | Question: What according to scientists is the major cause of depression?
Options:
A. high fat diets
B. high serotonin levels
C. low thyroid levels
D. low serotonin levels
Answer: | D |
null | Question: What are two common weather characteristics of hurricanes?
Options:
A. low winds and sandstorms
B. high winds and rainfall
C. small winds and rainfall
D. high winds and snowfall
Answer: | B |
null | Question: What do some plants produce that protects dormant seeds and aids in their dispersal?
Options:
A. stems
B. leaves
C. fruit
D. roots
Answer: | C |
null | Question: What is matter in the universe that does not emit light called?
Options:
A. black matter
B. hidden matter
C. cold matter
D. dark matter
Answer: | D |
null | Question: What are long chains of amino acids?
Options:
A. cells
B. Fatty Acid Chains
C. lipids
D. proteins
Answer: | D |
null | Question: The pull of the moon’s gravity on earth is the main cause of what water phenomenon?
Options:
A. floods
B. tides
C. waves
D. storms
Answer: | B |
null | Question: Gas particles can move randomly in what directions?
Options:
A. some directions
B. one direction
C. few directions
D. all directions
Answer: | D |
null | Question: What is a disease in which the immune system makes an inflammatory response to a harmless antigen?
Options:
A. an allergy
B. bronchitis
C. heartburn
D. cancer
Answer: | A |
null | Question: Transporting blood is the main job of the heart and what?
Options:
A. blood vessels
B. lymphatic system
C. bones
D. areolas
Answer: | A |
null | Question: Unlike prokaryotes, eukaryotes have what?
Options:
A. cell nucleus
B. cell wall
C. cell membrane
D. golgi apparatus
Answer: | A |
null | Question: Without the dominant disturbance, the fire-adapted species are usually outcompeted and biodiversity is what?
Options:
A. increased
B. immaterial
C. unaffected
D. reduced
Answer: | D |
null | Question: What do gametes undergo to produce many additional copies of themselves?
Options:
A. prophase
B. cytokinesis
C. angiogenesis
D. mitosis
Answer: | D |
null | Question: 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?
Options:
A. lower gravity
B. less mass
C. same mass
D. more mass
Answer: | B |
null | Question: What ultimately results in the cycling of nutrients in ecosystems?
Options:
A. chemical bonds
B. interactions between organisms
C. molecules between organisms
D. digestion
Answer: | B |
null | Question: Inside a cylinder, thermal energy is converted to what type of energy of the moving piston?
Options:
A. kinetic energy
B. residual energy
C. horsepower
D. electrochemical energy
Answer: | A |
null | Question: What attracts the earth to the sun?
Options:
A. the moon
B. gravity
C. weight
D. light
Answer: | B |
null | Question: Because plants are relatively immobile, they can function with bulky energy storage in the form of what?
Options:
A. starch
B. fat
C. protein
D. dioxide
Answer: | A |
null | Question: What is the main ingredient of mothballs?
Options:
A. stable naphthalene
B. ionized naphthalene
C. hydrocarbon naphthalene
D. processed naphthalene
Answer: | C |
null | Question: Sand dunes migrate when sand is blown up a slope and this force pulls it down the other side?
Options:
A. spin
B. air pressure
C. earthquakes
D. gravity
Answer: | D |
null | Question: What do decomposers release when they break down dead organisms?
Options:
A. acids
B. methane
C. carbon dioxide
D. nutrients
Answer: | D |
null | Question: Growth factors and certain plant and animal hormones serve as molecular messengers that initiate pathways of what?
Options:
A. cell division
B. cellular decay
C. cell growth
D. cell fusion
Answer: | A |
null | Question: Different regions of the cerebral cortex can be associated with particular functions, a concept known as what?
Options:
A. reversal of function
B. cytoplasm of function
C. expressiveness of function
D. localization of function
Answer: | D |
null | Question: Name what nutrient cycling is strongly regulated by.
Options:
A. sunlight
B. elevation
C. abundance
D. vegetation
Answer: | D |
null | Question: What consists of two or more elements and forms as a result of a chemical reaction?
Options:
A. compound
B. molecule
C. protein
D. particle
Answer: | A |
null | Question: Full siblings share how many genes with each other?
Options:
A. half
B. 100%
C. 25%
D. 75%
Answer: | A |
null | Question: When zinc metal is mixed with sulfur and heated, what is produced?
Options:
A. zinc sulfide
B. iron
C. methane sulfide
D. extraction sulfide
Answer: | A |
null | Question: Most insects reproduce quickly and through what type of reproduction?
Options:
A. sexual reproduction
B. spores
C. photosynthesis
D. asexual reproduction
Answer: | A |
null | Question: Plant-like protists are autotrophs, meaning they make their own what?
Options:
A. food
B. spores
C. molds
D. flowers
Answer: | A |
null | Question: How does the skin eliminates excess water and salts?
Options:
A. itch
B. peel
C. sweat
D. burn
Answer: | C |
null | Question: Increasing the surface area of solid reactants increases what rate?
Options:
A. breathing
B. metabolism
C. reaction
D. fusion
Answer: | C |
null | Question: What term describes a drug that has an effect on the central nervous system?
Options:
A. steroidal drug
B. elemental drug
C. nonaddictive drug
D. psychoactive drug
Answer: | D |
null | Question: What is the process that allows organisms with better traits to survive and produce?
Options:
A. spontaneous mutation
B. natural selection
C. succession
D. adaptation
Answer: | B |
null | Question: The energy that enters the chloroplasts as sunlight becomes stored as what type of energy in organic compounds?
Options:
A. defect energy
B. thermal energy
C. chemical energy
D. radiation energy
Answer: | C |
null | Question: What is defined in physics as the amount of force pushing against a given area?
Options:
A. gravity
B. resistance
C. energy
D. pressure
Answer: | D |
null | Question: What type of muscle makes up most of the heart?
Options:
A. chest muscles
B. cardiac muscle
C. heart muscle
D. respiratory muscle
Answer: | B |
null | Question: Sepals, petals, stamens, and carpels are what kind of organs?
Options:
A. floral
B. reproductive
C. marine
D. animal
Answer: | A |
null | Question: What is the study of energy and how it interacts with matter?
Options:
A. physics
B. kinetics
C. cosmology
D. quantum mechanics
Answer: | A |
null | Question: A polar covalent bond is a covalent bond between different atoms that attract the shared electrons by different amounts and cause an imbalance of what ?
Options:
A. electron distribution
B. proton distribution
C. ions distribution
D. neutron distribution
Answer: | A |
null | Question: The earth's atmosphere, climate, and living things are effected by what feature that covers more than 70 percent of earth's surface?
Options:
A. oceans
B. mountains
C. continents
D. rivers
Answer: | A |
null | Question: The long mouth-tube that some insects use to suck up the nectar of the flower is called what?
Options:
A. proboscis
B. prosthesis
C. stamen
D. pistil
Answer: | A |
null | Question: The brain develops from this early tube structure and gives rise to specific regions of the adult brain. as the neural tube grows and differentiates, it enlarges into three vesicles that correspond to the forebrain, midbrain, and this?
Options:
A. hindbrain
B. rearbrain
C. astrobrain
D. anteriorbrain
Answer: | A |
null | Question: What component of a prokaryote is unique in molecular composition and mechanism of propulsion?
Options:
A. the amoeba
B. the sporangia
C. the flagella
D. the membrane
Answer: | C |
null | Question: Hay fever is actually an allergy to what substance, vital to plant reproduction?
Options:
A. fungi
B. nitrogen
C. grass
D. pollen
Answer: | D |
null | Question: Real gases deviate from ideal form at high pressure and what other thermodynamic condition?
Options:
A. high temperatures
B. low pressure
C. high winds
D. low temperatures
Answer: | D |
null | Question: What is the unique larval form of mollusks called?
Options:
A. hydra
B. trochophore
C. scallop
D. microfilariae
Answer: | B |
null | Question: If citrate accumulates in mitochondria, some of it passes into where and inhibits phosphofructokinase?
Options:
A. Golgi apparatus
B. pores
C. epidermis
D. cytosol
Answer: | D |
null | Question: What is a strombolian eruption named for?
Options:
A. an ice cleaner
B. mt. stromboli
C. mt. st. helens
D. a country
Answer: | B |
null | Question: What is it called when currents keep reversing direction?
Options:
A. alternating current
B. circle current
C. emitting current
D. stream current
Answer: | A |
null | Question: How many pairs of chromosomes are in the human genome?
Options:
A. 23
B. 21
C. 13
D. 24
Answer: | A |
null | Question: Water infiltrates the ground because soil and rock may have air spaces between the grains. these pores, or tiny holes, result in the rock's what?
Options:
A. energy
B. porosity
C. sheen
D. shine
Answer: | B |
null | Question: As the number of unpaired electrons increases, what happens to the magnetic moment?
Options:
A. gets larger
B. gets smaller
C. is destroyed
D. remains the same
Answer: | A |
null | Question: The skull consists of cranial bones and what other type of bones?
Options:
A. nasal
B. superficial
C. facial
D. subdermal
Answer: | C |
null | Question: What is the method of evolution by which advantageous heritable traits become more common over generations?
Options:
A. natural selection
B. flow selection
C. artificial selection
D. same selection
Answer: | A |
null | Question: What type of blood does the right side of the heart collect and then pump to the lungs?
Options:
A. oxygen-rich blood
B. nitrogen-rich blood
C. nitrogen-poor blood
D. oxygen-poor blood
Answer: | D |
null | Question: What opens two strands of dna?
Options:
A. replication
B. chromosome
C. helicase
D. adenylate
Answer: | C |
null | Question: Which is the body system that normally fights infections and defends against other causes of disease?
Options:
A. immune system
B. circulatory system
C. reproductive system
D. infectious system
Answer: | A |
null | Question: What level is greater than 7 in a basic solution?
Options:
A. uh
B. gh
C. ph
D. fh
Answer: | C |
null | Question: Unlike the passive form, the sodium-potassium pump uses what type of transport?
Options:
A. High
B. active
C. phase
D. Low
Answer: | B |
null | Question: What type of winds occur when air is forced over a mountain range?
Options:
A. doldrums
B. trade winds
C. chinook winds
D. local winds
Answer: | C |
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