AP Biology Ch. 2 Review
10th - 12th grade
90 times
Biology, Chemistry
51%average accuracy
2 years ago
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60 QuestionsShow answers
  • Question 1
    900 seconds
    Q. Neutrons are
    answer choices
    negative
    positive
    neutral
    atoms
  • Question 2
    900 seconds
    Q. The positive particles of an atom are 
    answer choices
    electrons 
    atoms
    neutrons 
    protons 
  • Question 3
    900 seconds
    Q. The central region of an atom where its neutrons and protons are is called the
    answer choices
    nucleus 
    electron cloud
    energy level 
    center 
  • Question 4
    900 seconds
    Q. Electrons are
    answer choices
    negative and in the nucleus
    positive and in energy leveles
    positive and in the nucleus
    negative and in energy levels
  • Question 5
    900 seconds
    Q. What is matter?
    answer choices
    any visible solid that has mass
    any liquid that takes up space and has mass
    anything that takes up space and has mass
    any liquid or solid that takes up space
  • Question 6
    900 seconds
    Q. What kind of chemical bond is formed when one atom gives electrons to another atom?
    answer choices
    magnetic
    ionic
    van der waahls
    covalent
  • Question 7
    900 seconds
    Q. A chemical bond that occurs when atoms share electrons is a(n) _______ bond.
    answer choices
    ionic
    covalent
    van der waals
    magnetic
  • Question 8
    30 seconds
    Q. Ionic, covalent, van der Waals forces 
    answer choices
    are types of atoms
    are compounds
    hold molecules and atoms together
    are of no consequence in life forms
  • Question 9
    30 seconds
    Q. Physical and chemical properties are different from the elements that make them up in
    answer choices
    mixtures
    compounds
    atoms
  • Question 10
    20 seconds
    Q. A number of elements have different number of neutrons, these elements are called
    answer choices
    compounds
    molecules
    isotopes
    atoms
  • Question 11
    30 seconds
    Q. The ____ charge of a proton is exactly balanced by the ____ charge of (an) _______
    answer choices
    negative, positive, electron
    positive, neutral, neutron
    positive, negative, electron
    neutral, negative, electron
  • Question 12
    30 seconds
    Q. Electrons move around the nucleus of an atom in pathways called 
    answer choices
    nuclues
    energy levels
    circles
    rings
  • Question 13
    30 seconds
    Q. If a substance contains two or more elements of different types, it is considered
    answer choices
    a compound
    a monomer
    a molecule
    organic
  • Question 14
    30 seconds
    Q. What is the study of the composition, structure, and properties of MATTER?
    answer choices
    Chemistry
    Biology
    Geology
    Physics
  • Question 15
    30 seconds
    Q. What are the building blocks of MATTER?
    answer choices
    Atoms
    Cells
    Protons
    Neutrons
  • Question 16
    30 seconds
    Q. The nucleus of an atom is made up of...
    answer choices
    Protons and Neutrons
    Neutrons and Electrons
    Protons and Electrons
  • Question 17
    30 seconds
    Q. A(n) ____________________ is a pure substance made of a single type of atom and cannot be broken down.
    answer choices
    Element
    Compound
    Molecule
    Mixture
  • Question 18
    30 seconds
    Q. What holds atoms, molecules, and compounds together?
    answer choices
    Chemical Bonds
    Electromagnetism
    Magnetism
    Electricity
  • Question 19
    30 seconds
    Q. What is the weakest of all the bonding types?
    answer choices
    Covalent
    Ionic
    van der waals forces
    they are all equal
  • Question 20
    30 seconds
    Q. True or False? Isotopes are atoms of the same element that differ in mass number and number of neutrons
    answer choices
    True
    False
  • Question 21
    30 seconds
    Q. What are the 3 particles that make-up the atom?
    answer choices
    protons, neutrons, and isotopes
    neutrons, isotopes, and electrons
    positives, negatives, and electrons
    protons, neutrons, and electrons
  • Question 22
    60 seconds
    Q. Ions are: 
    answer choices
    atoms with a positive or negative charge
    atoms with no charge
    atoms with ONLY a positive charge
    atoms with ONLY a negative charge
  • Question 23
    30 seconds
    Q. What is the dense, positively charged center of the atom?
    answer choices
    neutron
    nucleus
    proton
    cation
  • Question 24
    30 seconds
    Q. NaCl (table salt) is an example of a/n  __________
    answer choices
    atom
    element
    compound
    subatomic particle
  • Question 25
    30 seconds
    Q. Iron (Fe) is an element.
    answer choices
    true
    false
  • Question 26
    120 seconds
    Q. What two elements make up water?
    answer choices
    Helium and oxygen
    Hydrogen and oxygen
    helium and carbon
    oxygen and carbon
  • Question 27
    120 seconds
    Q. What word describes when water is attracted to other substances?
    answer choices
    cohesion
    adhesion
    capillary action
    surface tension
  • Question 28
    120 seconds
    Q. Why can water have no net charge but have slight charges in different parts of the molecule?
    answer choices
    The oxygen end is slightly negative and the hydrogen end is slightly positive
    The hydrogen end is slightly negative and the oxygen end is slightly positive
    The hydrogen and oxygen ends change in polarity
    Because it is hydrophobic
  • Question 29
    120 seconds
    Q. Attractions between water molecules are called
    answer choices
    Covalent bonds
    Ionic bonds
    Polar bonds
    Hydrogen bonds
  • Question 30
    120 seconds
    Q. The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attracted to other water molecules.
    answer choices
    adhesion
    capillary action
    cohesion
    surface tension
  • Question 31
    120 seconds
    Q. tendency of molecules of the same kind to stick to one another
    answer choices
    cohesion
    adhesion
    solution
    polar molecule
  • Question 32
    120 seconds
    Q. molecule in which opposite ends have opposite electric charges
    answer choices
    cohesion
    polar molecule
    hydrogen bond
    solution
  • Question 33
    120 seconds
    Q. Why does ice float?
    answer choices
    As water freezes, it expands and its density decreases.
    As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
    As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
    As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
  • Question 34
    120 seconds
    Q. A molecule with electrically charged areas is called a _______________.
    answer choices
    magnet
    polar molecule
    solution
    electrical molecule
  • Question 35
    120 seconds
    Q. Which end of the water molecule has a slightly positive charge?
    answer choices
    the oxygen end
    the hydrogen end
    both ends are slightly positive
    neither end is positive
  • Question 36
    120 seconds
    Q. Which types of compounds dissolve easily in water?
    answer choices
    Polar and Nonpolar
    Polar and Ionic
    Nonpolar and Ionic
    Covalent and Nonpolar
  • Question 37
    120 seconds
    Q. Water droplets take a spherical shape (as pictured) because of ____________
    answer choices
    adhesion
    cohesion
    capillary action
    solubility
  • Question 38
    30 seconds
    Q. The reason the water balloon did NOT pop while held over a flame is water's _________.
    answer choices
    Less dense than air.
    Hydrogen bonds between water molecules.
    polarity.
    high specific heat capacity.
  • Question 39
    60 seconds
    Q. Water molecules are attracted to other kinds of molecules because of the property.
    answer choices
    Cohesion
    Adhesion
    Surface Tension
    Universal Solvent
  • Question 40
    30 seconds
    Q. Water is a universal solvent because it...
    answer choices
    It can be found anywhere
    It freezes when it gets cold
    floats when frozen
    Dissolves most substances
  • Question 41
    60 seconds
    Q. Water beads up on the surface of a penny because of this property.
    answer choices
    Adhesion
    High Surface Tension
    Universal Solvent
    Changes in Density
  • Question 42
    30 seconds
    Q. Most of water's properties occur because it is...
    answer choices
    A polar covalent
    Made with oxygen
    A polar ionic
    Makes up 75% of the Earth
  • Question 43
    300 seconds
    Q. What is the reason why oil and water don't mix?
    answer choices
    Oil is too heavy to mix with water
    Water can only mix with polar molecules 
    Water can only mix with non-polar molecules
    Oil is too light to mix with water 
  • Question 44
    30 seconds
    Q. The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
    answer choices
    less polar
    more polar
    less dense
    more dense
  • Question 45
    30 seconds
    Q. Water molecules require a lot of energy to separate one from the others.  This gives water a high
    answer choices
    density
    polarity
    solvency
    specific heat
  • Question 46
    30 seconds
    Q. Which of the following compounds would contain a polar covalent bond?
    answer choices
    Cl2
    NaCl
    H2O
    CH4
  • Question 47
    60 seconds
    Q. Because of the unique properties of water associated with hydrogen bonding, water evaporates from pores on the leaves of plants and draws molecules in a continuous chain from the roots up through the vascular tissues of plants.  Which of these groups of terms describes the properties of water that explain this?
    answer choices
    adhesion, cohesion, and translocation
    adhesion, cohesion, and transcription
    cohesion, hybridization, and transpiration
    cohesion, adhesion, and transpiration
  • Question 48
    30 seconds
    Q. Many __________ come together to form one ______________.
    answer choices
    monomers; polymer
    polymers; monomer
  • Question 49
    30 seconds
    Q. Which of these categories includes all of the others shown?
    answer choices
    disaccharide
    carbohydrate
    starch
    polysaccharide
  • Question 50
    30 seconds
    Q. Which of the following elements is NOT found in carbohydrates?
    answer choices
    Carbon
    Hydrogen
    Nitrogen
    Oxygen
  • Question 51
    30 seconds
    Q. Organisms use carbohydrates for 
    answer choices
    Energy
    Structural Building Blocks
    Hereditary Information
    Energy & Structural Building Blocks
  • Question 52
    30 seconds
    Q. Simple sugars, like glucose, are called
    answer choices
    monosaccharides
    disaccharides
    polysaccharides
    starch
  • Question 53
    30 seconds
    Q. An important carbohydrate polymer is 
    answer choices
    lactose
    glucose
    starch
    fructose
  • Question 54
    30 seconds
    Q. _________ is a carbohydrate polymer that humans cannot digest and that make up cell walls of plants.
    answer choices
    Starch
    Cellulose
    Glucose
    Lactose
  • Question 55
    30 seconds
    Q. Which of the following about UNSATURATED fats is true?
    answer choices
    They are more common in animals than in plants.
    They have double bonds in their fatty acid chains.
    They generally solidify at room temperature.
    They contain more hydrogen than saturated fats having the same number of carbon atoms.
  • Question 56
    30 seconds
    Q. Lipids are ____________, and are ____________ in water.
    answer choices
    polar; soluble
    polar; insoluble
    nonpolar; soluble
    nonpolar; insoluble
  • Question 57
    30 seconds
    Q. In which of the following ways is the structure of a triglyceride different than that of a phospholipid?
    answer choices
    A phospholipid has a polar region.
    A triglyceride contains glycerol region and a phospholipid doesn't.
    A phospholipid has fatty acid tails, and a triglyceride doesn't.
    A triglyceride has a polar region.
  • Question 58
    30 seconds
    Q. Which has more energy, 1.0 g of carbohydrate or 1.0 g of lipid?
    answer choices
    Carbohydrate
    Lipid
  • Question 59
    30 seconds
    Q. A fatty acid chain with only C-C bonds (single bonds) is ________________ and makes the molecule a solid at room temperature, like butter or lard.
    answer choices
    saturated
    unsaturated
  • Question 60
    30 seconds
    Q. Lipid bilayers are the basis for what important cell structure?
    answer choices
    Cytoskeleton
    Ctyoplasm
    Cell membrane
    Cell wall
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