Worksheets1st 9 Weeks Test Review
Total questions: 37
Worksheet time: 20mins
All living organisms use energy. They also grow and reproduce. What is another characteristic of all living organisms?
All living organisms can produce glucose through photosynthesis.
All living organisms consist of many cells with specialized organelles.
All living organisms must consume food in order to acquire nutrition.
All living organisms are composed of one or more cells.
There are many criteria that are used to define living things. Living things reproduce, grow, and develop. They respond to stimuli, use materials and energy, and evolve and adapt over time to their environment. What is another criteria used to define living things?
All living things are able to move.
All living things are intelligent.
All living things are complex.
All living things are made of cells.
All living organisms share many characteristics necessary for life. For example, all organisms, including both prokaryotic and eukaryotic,
have cells arranged into complex organ structures.
must obtain and use energy for life processes.
can use abiotic factors to make their own food.
can sexually reproduce to produce unique offspring.
In the atom, which particles are in constant motion around the nucleus?
protons
protons and neutrons
neutrons
electrons
Which type of bond holds two or more water molecules together?
covalent bonds
van der Waals forces
hydrogen bonds
ionic bonds
Which type of macromolecule regulates cell processes or transports material into and out of a cell?
carbohydrates
proteins
lipids
nucleic acids
What is a substance that is dissolved in another substance?
solution
solute
solvent
compound
What are ionic bonds?
Valence electrons transferred between atoms
Inner most electrons transferred between atoms
Sharing electrons
Enzymes are considered to be
Lipids
Carbohydrates
Proteins
Nucleic Acids
Water is polar because…
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
The molecule has two poles, at which the it is colder than other regions of the molecule.
The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.
The water molecule is neutral.
Capillary action is the result of adhesion. Which aspect of water is responsible for this?
Nonpolar covalent bonds that enable water to dissolve other substances.
Polar covalent bonds that join molecules of water to other substances
Hydrogen bonds between water and another substance
Ionic bonds that enable electrons to flow through water and into another substance
Which type of bond holds two or more water molecules together?
covalent bonds
van der Waals forces
hydrogen bonds
ionic bonds
Breaking a window or crumpling a piece of paper are examples of a....
Physical Change
Chemical Change
There is no change occuring
What is the name for the mechanism of enzyme activity?
lock and key
jigsaw puzzle
hammer and nail
two hands pattern
Living things that capture energy from sunlight or chemicals and convert it into usable energy for cells are called __________________.
heterotrophs
autotrophs
monotrophs
terratrophs
What is the net movement of particles such as oxygen from an area where there are many particles to an area where there are fewer particles?
osmosis
active transport
diffusion
What separates the prokaryotic and eukaryotic cells from the watery environment in which they exist?
plasma membrane
selective permeability
homeostasis
Which of these statements do NOT fit into the cell theory?
All living things are composed of cells.
Cells are the basic unit of structure & function.
New cells are produced from existing cells.
All of these are components of the cell theory.
The movement of water across a selectively permeable membrane is called…
diffusion
channel proteins
concentration gradient
osmosis
This organelle is responsible for the process of photosynthesis:
mitochondria
chloroplast
chlorophyll
lysosome
Which organelle connects the nuclear membrane to the cell membrane in case they need to communicate.
golgi apparatus
endoplasmic reticulum
vacuole
lysosome
This organelle is filled with enzymes; what are the two purposes of this organelle?
golgi apparatus; modify and package
golgi apparatus; destroy old cells and rid of wastes
lysosomes; modify and package
lysosomes; destroy old cells and rid of wastes
Which of these two characteristics do all cells have to have?
nucleus & DNA
nucleus & cytoplasm
DNA & cell membrane
DNA & cytoplasm
In osmosis, water always moves toward the ___________ solution: that is, toward the solution with the ___________ solute concentration.
isotonic, greater
hypertonic, greater
hypertonic, lesser
hypotonic, lesser
hypotonic, greater
