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null | Question: How many protons and electrons each do carbon atoms have?
Options:
A. nine
B. two
C. five
D. six
Answer: | D |
null | Question: What do decomposers release back to the environment after they break down the remains and other wastes?
Options:
A. nematodes
B. unrefined waste
C. simple inorganic molecules
D. carbon monoxide
Answer: | C |
null | Question: Having extra chromosomes or damaged chromosomes can cause what?
Options:
A. disorders
B. deformities
C. diseases
D. problems
Answer: | A |
null | Question: What keeps the earth orbiting the sun?
Options:
A. speed
B. inertia
C. variation
D. gravity
Answer: | D |
null | Question: What term describes the overall ability of an animal to survive and produce offspring?
Options:
A. abilities
B. evolution
C. change
D. fitness
Answer: | D |
null | Question: Many of the protist species classified into the supergroup excavata are asymmetrical, single-celled organisms with a feeding groove “excavated” from one side. this supergroup includes heterotrophic predators, photosynthetic species, and these?
Options:
A. parasites
B. reptiles
C. mammals
D. insects
Answer: | A |
null | Question: What consists of structures that produce eggs and secrete female sex hormones?
Options:
A. female reproductive system
B. male reproductive system
C. female neural system
D. asexual reproductive system
Answer: | A |
null | Question: The fight or flight response involves what system?
Options:
A. autonomic nervous system
B. cellular nervous system
C. voluntary nervous system
D. functional nervous system
Answer: | A |
null | Question: The plasma membranes of cells that specialize in absorption are folded into fingerlike projections called what?
Options:
A. microvilli
B. epithelial
C. flagella
D. digits
Answer: | A |
null | Question: The brain and spinal cord are part of what system, which serves as a control center?
Options:
A. central nervous system
B. large nervous system
C. active nervous system
D. primary nervous system
Answer: | A |
null | Question: Tuataras, lizards, and snakes are members of what subclass of reptiles?
Options:
A. staurikosaurus
B. arthropods
C. dinosaurs
D. lepidosaurs
Answer: | D |
null | Question: What occurs not only as organisms grow, but as they reproduce.
Options:
A. proteins division
B. cell division
C. flight division
D. experimental division
Answer: | B |
null | Question: Wings of bats and birds serve the same function. which body part should you study to understand ancestral differences?
Options:
A. bones inside wings
B. skin inside wings
C. skull size
D. skin and feathers
Answer: | A |
null | Question: The mitotic spindle is an apparatus of microtubules that controls chromosome movement during what?
Options:
A. metaphase
B. mitosis
C. anaphase
D. prometaphase
Answer: | B |
null | Question: What do you call mixtures of ash and water that travel down river valleys?
Options:
A. lahars
B. pollutants
C. debris
D. mud slides
Answer: | A |
null | Question: In terms of scientific investigation, things you notice about an environment using your five senses are called what?
Options:
A. evidence
B. patterns
C. observations
D. behaviors
Answer: | C |
null | Question: The law of conservation mass states that matter cannot be created or what?
Options:
A. moved
B. observed
C. destroyed
D. changed
Answer: | C |
null | Question: Much like the processes of dna replication and transcription, translation consists of three main stages: initiation, elongation, and this?
Options:
A. assimilation
B. isolation
C. termination
D. detonation
Answer: | C |
null | Question: What is the process in which cells make proteins called?
Options:
A. factor synthesis
B. light synthesis
C. protein synthesis
D. gas synthesis
Answer: | C |
null | Question: What is formed when different gases are confined to the same container?
Options:
A. compact mixture
B. homogeneous mixture
C. particulate mixture
D. linear mixture
Answer: | B |
null | Question: The addition of starting materials and the removal of end products prevent metabolism from reaching what state?
Options:
A. constant
B. imbalance
C. equilibrium
D. inequality
Answer: | C |
null | Question: Spontaneous reactions release what type of energy, meaning it is available to do work?
Options:
A. radioactive energy
B. free energy
C. potential energy
D. kinetic energy
Answer: | B |
null | Question: Unsaturated hydrocarbons with at least one triple bond are known as?
Options:
A. benzenes
B. alkynes
C. aromatic hydrocarbons
D. alkenes
Answer: | B |
null | Question: Cysteine is a type of what fundamental building block of protein?
Options:
A. atoms acid
B. proteins acid
C. salts acid
D. amino acid
Answer: | D |
null | Question: Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what?
Options:
A. chemical trends
B. gravity trends
C. acoustic trends
D. periodic trends
Answer: | D |
null | Question: Competition between members of the same species is known as?
Options:
A. nuchal competition
B. interspecies competition
C. intraspecific competition
D. egregious competition
Answer: | C |
null | Question: What term is used to describe the conditions in the sky on any particular day?
Options:
A. weather
B. temperature
C. forecast
D. humidity
Answer: | A |
null | Question: When do glaciers deposit their sediment?
Options:
A. when they are new
B. when they form
C. when they melt
D. when they move
Answer: | C |
null | Question: What kind of organisms helps hold soil in place to slow erosion?
Options:
A. animals
B. plants
C. bacteria
D. flowers
Answer: | B |
null | Question: How did a vascular let plants grow?
Options:
A. they could conduct photosynthesis
B. they could bear fruit
C. they could reproduce
D. they could grow taller
Answer: | D |
null | Question: Where do plankton, nekton, and benthos live?
Options:
A. forests
B. deserts
C. arctic
D. in the oceans
Answer: | D |
null | Question: Vertebrates evolved from primitive forms of which creature?
Options:
A. cephalopods
B. eukaryotes
C. gastropods
D. chordates
Answer: | D |
null | Question: What cause rabies, measles, diarrheal diseases, hepatitis, polio, and cold sores?
Options:
A. contaminants
B. bacteria
C. viruses
D. parasites
Answer: | C |
null | Question: In order to conduct what, electrons must move from the filled valence band to the empty conduction band where they can move throughout the solid?
Options:
A. matter
B. light
C. electricity
D. heat
Answer: | C |
null | Question: The cell expels waste and other particles through a process called what?
Options:
A. endocytosis
B. biosynthesis
C. metamorphisis
D. exocytosis
Answer: | D |
null | Question: The first law of thermodynamics deals with the total amount of energy in what?
Options:
A. organism
B. springs
C. universe
D. galaxy
Answer: | C |
null | Question: What type of animals are known for being playful and frisky?
Options:
A. giant tortoises
B. snakes
C. sea otters
D. cows
Answer: | C |
null | Question: Stoichiometric coefficients are used in chemical equations to indicate the amounts of reactants and what?
Options:
A. products
B. fuels
C. consumers
D. imports
Answer: | A |
null | Question: People with osteoporosis have an increase risk of what?
Options:
A. cancer
B. bone fractures
C. muscle loss
D. weight loss
Answer: | B |
null | Question: In addition to a vibrating electric field what does an electromagnetic wave consist of?
Options:
A. gravitational field
B. radiation field
C. molecular field
D. magnetic field
Answer: | D |
null | Question: Wind blown sand contributes to what type of erosion?
Options:
A. sedimentary
B. filtration
C. vegetation
D. abrasion
Answer: | D |
null | Question: What living species of bird is considered the largest of the raptors?
Options:
A. California condor
B. pteradactyl
C. golden eagles
D. peregrine falcon
Answer: | C |
null | Question: A skydiver will reach what when the air drag equals their weight?
Options:
A. terminal velocity
B. building velocity
C. constant velocity
D. ending velocity
Answer: | A |
null | Question: Reacting with metal is one thing that distinguishes acids from what?
Options:
A. minerals
B. metals
C. bases
D. protiens
Answer: | C |
null | Question: What model describing atomic structure is often referred to as a planetary model?
Options:
A. bohr model
B. Newton's model
C. Pascal model
D. kinetic model
Answer: | A |
null | Question: How many bones fuse together to form the cranium?
Options:
A. 8
B. 6
C. 3
D. 8
Answer: | A |
null | Question: What do voltmeters measure?
Options:
A. current drop across a resistor
B. voltage increase across a resistor
C. current increase across a resistor
D. voltage drop across a resistor
Answer: | D |
null | Question: What is the study of how living things interact with each other and with their environment?
Options:
A. geology
B. ecology
C. scientology
D. biology
Answer: | B |
null | Question: What force occurs because no surface is perfectly smooth?
Options:
A. friction
B. vibration
C. tension
D. gravity
Answer: | A |
null | Question: What prepares the body for fight or flight during emergencies?
Options:
A. sympathetic division
B. abnormal division
C. metabolic response
D. adrenal mechanism
Answer: | A |
null | Question: The simplest way to define a base is which kind of compound that produces hydroxide ions when dissolved in water?
Options:
A. solvent
B. covalent
C. magnetic
D. ionic
Answer: | D |
null | Question: Because opposite charges attract, oppositely charged ions attract each other to form what?
Options:
A. soluble bonds
B. ionic bonds
C. nuclear bonds
D. particle bonds
Answer: | B |
null | Question: What is the combination of tissues that provides a tough, woody external covering on the stems of trees called?
Options:
A. epidermis
B. bark
C. cuticle
D. scale
Answer: | B |
null | Question: What is needed for a person to be affected by an autosomal dominant disorder?
Options:
A. extra alleles
B. one mutated allele
C. one less chromosome
D. one isolated allele
Answer: | B |
null | Question: The mean free path for a gaseous molecule will be hundreds of times the what of the molecule?
Options:
A. diameter
B. weight
C. variation
D. density
Answer: | A |
null | Question: Blood flows into the kidney through which artery?
Options:
A. blood artery
B. pulminary artery
C. renal artery
D. main artery
Answer: | C |
null | Question: Molecular geometry is the three-dimensional arrangement of atoms in a what?
Options:
A. nucleus
B. molecule
C. DNA
D. genes
Answer: | B |
null | Question: What does the body derive from the breakdown of the carbohydrate-containing foods and drinks we consume?
Options:
A. insulin
B. amino acids
C. glucose
D. lipids
Answer: | C |
null | Question: What is the term for the skeletal structure of the head that supports the face and protects the brain?
Options:
A. ribcage
B. thorax
C. cranium (skull)
D. pelvis
Answer: | C |
null | Question: What organ has four ventricles, all of which developed from the original hollow space within the neural tube?
Options:
A. heart
B. brain
C. liver
D. bladder
Answer: | B |
null | Question: What are the lipids containing phosphorus?
Options:
A. phospholipids
B. hemoglobin
C. alkaloids
D. eukaryotes
Answer: | A |
null | Question: Hagfishes have a skull made of what?
Options:
A. chitin
B. cartilage
C. bone
D. gelatin
Answer: | B |
null | Question: What law states that matter cannot be created or destroyed even when it changes?
Options:
A. conservation of mass
B. Action of mass
C. modification of mass
D. Transfer of mass
Answer: | A |
null | Question: If hot water becomes trapped, pressure may build up. when the water breaks free, it creates what?
Options:
A. groundwater
B. steam
C. geyser
D. glacier
Answer: | C |
null | Question: What type of organism is algae?
Options:
A. yeast
B. bacteria (cyanobacteria)
C. virus
D. amoeba
Answer: | B |
null | Question: Underground rock in a molten state is called?
Options:
A. gaseous
B. igneous
C. lava
D. magma
Answer: | D |
null | Question: Difference in electric potential energy are measured in what basic unit?
Options:
A. moles
B. watts
C. volts
D. knots
Answer: | C |
null | Question: Metalloids, metals, and nonmetals are all classes of what?
Options:
A. protons
B. matter
C. elements
D. compounds
Answer: | C |
null | Question: What type of disease occurs when the immune system fails to recognize the body's own molecules?
Options:
A. congenital
B. autoimmune
C. gastrointestinal
D. cardiac
Answer: | B |
null | Question: The stem of a horsetail is characterized by the presence of joints, or nodes: hence the name arthrophyta, which means this?
Options:
A. molted plant
B. solid plant
C. elongated plant
D. jointed plant
Answer: | D |
null | Question: Due to similar function, the wings of bats and birds are referred to as what type of structures?
Options:
A. matching structures
B. Identical structures
C. symmetrical structures
D. analogous structures
Answer: | D |
null | Question: A protein’s shape is determined, most fundamentally, by the sequence of what type of acids?
Options:
A. lactic
B. acetic
C. amino
D. lipids
Answer: | C |
null | Question: Quantum chromodynamics combines what property with quark theory?
Options:
A. sound
B. contrast
C. mass
D. color
Answer: | D |
null | Question: What does the esophagus produce for lubrication?
Options:
A. mucous
B. phloem
C. synovial fluid
D. bile
Answer: | A |
null | Question: Diamond is extremely hard because of the strong bonding between ______ in all directions?
Options:
A. liquid atoms
B. carbon atoms
C. hydrogen atoms
D. consistent atoms
Answer: | B |
null | Question: Acids and bases are important in living things because what proteins typically can perform their job only at a certain level of acidity?
Options:
A. enzymes
B. vitamins
C. catalysts
D. hormones
Answer: | A |
null | Question: What's the most common disorder from having an extra chromosome?
Options:
A. down syndrome
B. Turner syndrome
C. Williams syndrome
D. cri-du-chat syndrome
Answer: | A |
null | Question: What is the general term for water that falls from clouds to earth’s surface, in forms that include snow and rain?
Options:
A. groundwater
B. condensation
C. precipitation
D. distillation
Answer: | C |
null | Question: Chemical symbols are useful to concisely represent the elements present in a substance. the letters usually come from the name of what?
Options:
A. discoverer
B. month
C. element
D. scientist
Answer: | C |
null | Question: What keeps the earth orbiting the sun?
Options:
A. weak nuclear force
B. magnetic force
C. gravity
D. strong nuclear force
Answer: | C |
null | Question: What is the term for the use of two or more lewis structures to represent the covalent bonding in a molecule?
Options:
A. frequency
B. harmony
C. resonance
D. reaction
Answer: | C |
null | Question: When warm air rises up to the tropopause, where does it flow?
Options:
A. east or north
B. north or south
C. east or west
D. west or south
Answer: | B |
null | Question: When organisms penetrate a rock, they accelerate breakdown by chemical means and what other means?
Options:
A. temperature
B. mechanical
C. geological
D. ecological
Answer: | B |
null | Question: What is the transition from solid to vapor is called?
Options:
A. vaporization
B. ionization
C. sublimation
D. deposition
Answer: | C |
null | Question: Both energy and heat can be expressed in units of what?
Options:
A. amperes
B. ohms
C. velocities
D. joules
Answer: | D |
null | Question: What is a group of similar ecosystems with the same general abiotic factors and primary producers called?
Options:
A. population
B. ecoculture
C. biome
D. ecological environment
Answer: | C |
null | Question: The cortical reaction has begun, initiating events that ensure that only one sperm nucleus enters where?
Options:
A. the sperm
B. the egg
C. the spore
D. the heart
Answer: | B |
null | Question: Ovulation is the release of an egg from the what?
Options:
A. vagina
B. fallopian tubes
C. ovary
D. cervix
Answer: | C |
null | Question: Cephalization refers to the development of what anatomical region, which evolved at the same time as bilateral symmetry in animals?
Options:
A. head
B. chest
C. tail
D. heart
Answer: | A |
null | Question: The boiling points of liquid also correlate to the strength of which forces?
Options:
A. supramolecular
B. intermolecular
C. gravitational
D. centrifugal
Answer: | B |
null | Question: At what point is water on the ph scale?
Options:
A. 3, acidic
B. 0, very acidic
C. neutrality, 7
D. 14, basic
Answer: | C |
null | Question: Something that has all of the characteristics of life is considered to be what?
Options:
A. alive
B. organism
C. ecosystem
D. molecule
Answer: | A |
null | Question: Mushrooms are an example of what type of organism, which includes beneficial and toxic specimens?
Options:
A. spores
B. bacteria
C. seeds
D. fungi
Answer: | D |
null | Question: What sudden ground movement is caused by the sudden release of the energy stored in rocks, which is transmitted in seismic waves?
Options:
A. earthquake
B. eruption
C. quicksand
D. sandstorm
Answer: | A |
null | Question: What is produced by the end of meiosis?
Options:
A. three haploid cells
B. four haploid cells
C. eight haploid cells
D. sixteen haploid cells
Answer: | B |
null | Question: The shape of the path of an object undergoing projectile motion is called?
Options:
A. linear
B. a triangle
C. spherical
D. a parabola
Answer: | D |
null | Question: Elements that specifically are noted to have properties of both metals and nonmetals are known as what?
Options:
A. alkali metals
B. metalloids
C. alloys
D. compund metals
Answer: | B |
null | Question: During adulthood, what is needed for the production of sperm?
Options:
A. testosterone
B. estrogen
C. androgen
D. steroids
Answer: | A |
null | Question: What describes how close an estimate is to a known standard?
Options:
A. accuracy
B. precision
C. diversity
D. frequency
Answer: | A |
null | Question: Particles of sand and what other substance are carried by longshore drift?
Options:
A. soil
B. bone
C. magma
D. rock
Answer: | D |
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