Which of the following are forms of energy?

• light
• heat
• chemical
• all of the above

Cells make ATP from glucose breakdown because

• ATP gives off more energy
• glucose is too small a molecule
• glucose does not burn as well
• glucose is too big to use efficiently

Cells use ATP as their basic source of energy. Which of the following is an example that a cell would use ATP for?

• sunlight
• chloroplast
• muscle contraction

Where does the mass of a plant come from?

• sunlight
• carbon dioxide
• soil

Which color is NOT absorbed by chlorophyll?

• green
• purple
• blue
• yellow

What is the main pigment in plants?

• chlorophyll
• melanin
• carotenoid

Photosynthesis occurs in the ____________ of plants.

• mitochondria
• chloroplast
• cytoplasm

_____________ is the process by which the energy of glucose is released in the cell to be used in life processes.

• photosynthesis
• movement
• respiration

Respiration occurs in ________ cells.

• all
• only plant
• only animal
• only bacterial

Aerobic respiration requires ______________.

• plants
• carbon dioxide
• oxygen