Mid-Year Cumulative Review

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria
• the vacuoles
• the nucleus
• the cell

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy
• to control cell activity
• to remove waste products
• to allow molecules to enter the cell

Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food
• to remove waste materials by active transport
• to manufacture chemical energy from food
• to control the shape of the cell

All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?

• chloroplasts
• mitochondria
• nucleus
• vacuoles

In what part of the plant cell does the process of photosynthesis take place?

• nucleus
• mitochondria
• chloroplasts
• vacuoles

How does a prokaryotic cell differ from a eukaryotic cell?

• a prokaryotic cell does not have a nucleus

• a prokaryotic cell does not contain ribosomes

• a prokaryotic cell does not genetic information

• a prokaryotic cell does not have a cell wall

What is the source of energy for photosynthesis?

• water

• sunlight

• glucose

• carbon dioxide

What are the products of photosynthesis?

• water and glucose

• glucose and carbon dioxide

• carbon dioxide and water

• glucose and oxygen

Which of the following is needed as a reactant for cellular respiration?

• carbon dioxide

• chlorophyll

• oxygen

• water

Which of the following is a primary way in which proteins are used in the body?

• proteins help the body lose weight

• proteins provide a quick energy resource

• proteins form a layer of insulation

• proteins provide materials for growth and repair